Syphilis in Alameda is 27% lower than the US average. If you've had a recent risk or simply test on a regular schedule in Fremont, California, you'll find that community and public clinics are often low-cost or free, while private labs tend to offer faster results and more flexible scheduling. Refer to the list below.
10 testing centers serve Fremont, CA — the nearest, Bay Area Community Health, about 1.5 miles away. Compare 8 community and public clinics, private labs, and at-home kits below.
Listings tagged Community health center are federally funded health centers and rural clinics that treat everyone regardless of insurance or ability to pay — required to bill on a sliding fee scale and provide confidential care, and in many states minors may consent to their own STI testing. A Title X tag flags centers funded for confidential family-planning services; confirm current participation when you call.
Today's offer: $10 off any test panel — applied automatically at checkout.
When can I test? Exposure-window calculator
Testing too soon can miss an infection. Enter the date of possible exposure to see the earliest a test can reliably detect each STI.
Infection
Earliest reliable test
Conclusive after
Guidance only — confirm timing with a clinician. A negative result before the conclusive date may need a repeat test.
Community health center
1.5 miles
Bay Area Community Health
★★★★☆4.3(85 reviews)?
Review sources
EasySTD reviews85
Rated 4.3 out of 5 from 85 reviews
About 2 miles east of Fremont in Fremont: Bay Area Community Health is a Title X clinic serving anyone who needs STI testing, treatment, and prevention in one visit—whether you're insured, on Medicaid, or paying out of pocket on a sliding scale. It's built for people who want to handle testing, same-day treatment for bacterial infections, and vaccines all at once.
Read full overviewShow less
A clinic that handles testing, treatment, and prevention together
Bay Area Community Health screens for the full spectrum of STIs—HIV (rapid and conventional), chlamydia, gonorrhea, syphilis, herpes, hepatitis B and C, and TB—and treats bacterial infections on the same visit. You can also get HPV and hepatitis A vaccines, plus condoms and education on prevention, all without leaving the clinic.
Cost works for most budgets
There's a standard visit fee, but the clinic runs on a sliding scale, so what you pay depends on income. Medicaid and insurance are accepted, making it accessible whether you're covered or not.
You'll need an appointment
Call ahead to book; walk-ins aren't available. Once you're in, expect a straightforward visit: testing, counseling, and if needed, treatment and vaccination the same day.
Best for anyone juggling multiple needs at once
If you want testing, treatment, and prevention handled in a single appointment—and you're comfortable planning ahead—this clinic makes it simple. It works well for people on a budget and those with insurance or Medicaid alike.
Listing verified Dec 2025 · source: CDC NPIN + HRSA
Tests offered
Hepatitis C
Hepatitis B
TB
Gonorrhea
Syphilis
Herpes
Chlamydia
Rapid HIV
Conventional HIV
Serves
Adolescents/Youth/Teens
Persons with STI
Pregnant Women
Care services
Family Planning
STI Treatment
Human Papillomavirus Vaccine (HPV)
Hepatitis A Vaccine
Adult Hepatitis B Vaccine
Prevention services
TB Prevention/Education
STI Prevention/Education
HIV/AIDS Prevention/Education
HIV Test Counseling
Hepatitis Prevention/Education
Condom Distribution
Fees & payment
Medicaid Accepted
Sliding Scale
Fee
Insurance Accepted
Community health center
2.2 miles
Bay Area Communiity Health
★★★★☆4.3(68 reviews)?
Review sources
EasySTD reviews68
Rated 4.3 out of 5 from 68 reviews
About 2 miles north of Fremont in Fremont: Bay Area Community Health charges on a sliding scale—free or low-cost depending on income—and accepts Medicaid and insurance, making it accessible whether you're insured or paying out of pocket. It screens for HIV, hepatitis B and C, chlamydia, gonorrhea, and syphilis, with same-visit treatment for bacterial infections and PrEP available for those without insurance.
Read full overviewShow less
Sliding scale means you pay what fits your budget
Bay Area Community Health charges on a sliding scale, so the cost depends on your income—Medicaid and insurance are accepted, and if you're uninsured, PrEP is available at no cost. A standard visit fee applies if you're paying out of pocket, but the clinic adjusts it based on what you can afford.
Tests for six infections, treatment same-visit for most
You'll be screened for HIV, hepatitis B and C, chlamydia, gonorrhea, and syphilis. Bacterial STIs—chlamydia, gonorrhea, and syphilis—can be treated the same visit you're tested. The clinic also offers HPV and hepatitis B vaccines, plus PrEP if you need HIV prevention.
Appointments required; Spanish interpretation available
You'll need to schedule an appointment ahead of time. Interpretation services are available for non-English languages, and Spanish-language support is on staff, so language won't be a barrier to care.
Best for anyone needing affordable testing and treatment
This clinic works well if you're uninsured or on a tight budget, since the sliding scale and PrEP coverage for the uninsured remove cost barriers. It's also a solid choice if you speak Spanish or need interpretation, or if you want testing, treatment, and prevention—like vaccines or PrEP—all in one place.
Listing verified Nov 2025 · source: CDC NPIN + HRSA
Tests offered
Hepatitis C
Hepatitis B
Gonorrhea
Syphilis
Chlamydia
Conventional HIV
Serves
Adolescents/Youth/Teens
American Indian or Alaska Native persons
At Risk Youth
Black or African American persons
Gay Men
Hispanic or Latino persons
LGBTQ
Low Income Persons
Care services
Family Planning
STI Treatment
Human Papillomavirus Vaccine (HPV)
Pre-Exposure Prophylaxis (PrEP)
Adult Hepatitis B Vaccine
Prevention services
STI Prevention/Education
Needle Cleaning, Needle Exchange or Needle Distribution
HIV/AIDS Prevention/Education
HIV Test Counseling
Hepatitis Prevention/Education
Fees & payment
Medicaid Accepted
Sliding Scale
PrEP for uninsured
Fee
Insurance Accepted
2.4 miles
Alameda Health System
★★★★☆4.4(244 reviews)?
Review sources
EasySTD reviews244
Rated 4.4 out of 5 from 244 reviews
About 2 miles west of Fremont in Newark: Alameda Health System takes appointments for STI testing and treatment alongside family planning and vaccines. It's built for people with insurance, Medicaid, or a flexible budget who want a full-service visit in one place.
Read full overviewShow less
Book ahead for a complete visit
You'll need to call and schedule an appointment rather than walk in, but once you're there, a single visit can cover testing, treatment, and prevention all at once. The clinic screens for chlamydia, gonorrhea, syphilis, HIV, and TB, and can treat bacterial infections on the spot; it also offers HPV and hepatitis A vaccines and family planning services in the same location.
Testing and treatment under one plan
If you test positive for chlamydia, gonorrhea, or syphilis, treatment is available during your visit. HIV and TB results require follow-up care, but the clinic manages both. You'll also find condoms and prevention education, plus TB prevention resources if that's relevant to you.
Cost depends on what you have
If you carry Medicaid or Medicare, or have private insurance, those are accepted. Without insurance, the clinic uses a sliding scale, so you pay based on income. Expect a standard visit fee if you're uninsured and don't qualify for the sliding scale.
Spanish and Vietnamese interpretation available
The clinic offers interpretation in Spanish and Vietnamese, so language won't block you from getting care.
About 5 miles northwest of Fremont in Union City: Obria Medical Clinics welcomes walk-ins for STI testing and treatment without requiring an appointment, making it straightforward for anyone who needs quick access to screening. The clinic handles testing, same-visit treatment for bacterial infections, and prevention education on a sliding-scale fee structure.
Read full overviewShow less
Walk in anytime—no appointment needed
Obria Medical Clinics in Union City takes walk-ins, so you can get tested without planning ahead or waiting weeks for an opening. A single visit covers testing, treatment if needed, and a conversation about prevention—no back-and-forth between clinics.
Tests for the major bacterial and viral STIs
The clinic screens for chlamydia, gonorrhea, syphilis, herpes, hepatitis B and C, and HIV. If you test positive for chlamydia, gonorrhea, or syphilis, treatment is available on the same visit. The clinic also offers family planning and STI and HIV prevention education.
Sliding scale—Medicaid and insurance welcome
There is a fee for services, but it slides based on what you can pay. Medicaid and insurance are accepted, so costs adjust to your coverage. If you're uninsured or paying out of pocket, ask about the sliding scale when you arrive.
Best for anyone who needs fast, no-fuss testing
If you want to walk in without scheduling weeks ahead, or you need same-visit treatment for a bacterial STI, Obria's model cuts the hassle. It works well for people with unstable schedules or those who prefer to avoid the appointment-booking process.
About 6 miles northwest of Fremont in Union City: Tiburcio Vasquez Health Center tests for HIV, chlamydia, gonorrhea, syphilis, herpes, hepatitis B and C, and TB—and treats bacterial infections on the spot. It's built for anyone seeking thorough screening plus prevention, from condoms to mpox and HPV vaccines.
Read full overviewShow less
Testing and same-visit treatment for bacterial STIs
The center screens for the full spectrum: HIV, chlamydia, gonorrhea, syphilis, herpes, hepatitis B and C, and TB. Bacterial infections like chlamydia, gonorrhea, and syphilis are treated the same visit you test. If you need to know your status across multiple infections, this is the place to do it all at once.
Prevention built in: vaccines, condoms, and counseling
Beyond testing, the center distributes condoms free and offers mpox vaccine at no cost, plus HPV and hepatitis A vaccines. HIV test counseling and STI prevention education are part of the visit, so you leave with both answers and a plan.
Sliding-scale fees, insurance and Medicare accepted
Testing and treatment are free for those who qualify; everyone else pays on a sliding scale based on income. Medicare and insurance are accepted, so your coverage may cover the full cost.
Appointment required; interpretation in multiple languages
You'll need to book ahead. The center offers interpretation in Spanish, Tagalog, Cambodian, and American Sign Language, so language won't be a barrier.
About 7 miles south of Fremont in Alviso: Gardner Health Services tests for HIV, chlamydia, gonorrhea, syphilis, hepatitis B and C, and TB—and treats bacterial STIs and TB on-site. It's built for anyone who needs thorough screening, same-visit treatment when possible, and prevention planning, especially those navigating cost.
Read full overviewShow less
Testing and treatment in one visit
Gardner Health Services screens for HIV, chlamydia, gonorrhea, syphilis, hepatitis B and C, and TB. Bacterial STIs and TB are treated on-site the same day you test, so you don't wait for results to start care. If you test positive for HIV or hepatitis, treatment is managed through the clinic's partnerships.
Prevention built into every visit
Beyond testing, the clinic offers HPV and hepatitis A vaccines, plus counseling on HIV, STI, TB, and hepatitis prevention. Staff also discuss safer-sex practices and TB exposure, so you leave with a plan, not just results.
Sliding-scale fees for most people
Testing and treatment are not free, but Gardner Health Services accepts Medicaid, Medicare, and insurance. If you're uninsured or paying out of pocket, a sliding scale adjusts your fee based on income, so cost doesn't block access.
Appointments required; Spanish and Chinese spoken
You'll need to schedule ahead rather than walk in. The clinic offers interpretation in Spanish and Chinese, making it easier if English isn't your first language.
Fremont, CA (Alameda County) STD testing locations
10 testing centers serving Fremont and Alameda County — screening for Chlamydia, Gonorrhea, Syphilis, Herpes, Hepatitis A, Hepatitis B, Hepatitis C, Rapid HIV, Conventional HIV, TB.
Community health center
Listings tagged Community health center are federally funded health centers and rural clinics that treat everyone regardless of insurance or ability to pay — required to bill on a sliding fee scale and provide confidential care, and in many states minors may consent to their own STI testing. A Title X tag flags centers funded for confidential family-planning services; confirm current participation when you call.
Source: CMS FQHC & Rural Health Clinic enrollment files (data.cms.gov), refreshed quarterly. Title X status reflects the latest OPA grantee list.
How we rank: vetted partner labs (clearly marked Sponsored) appear first; every other center is listed free and ordered by verified review score, then distance.
Premium Partner
Quest Diagnostics
Editor's pick
Results in 1–2 days
★★★☆☆3.3(260 reviews)?
Review sources
Google217
EasySTD reviews43
Rated 3.3 out of 5 from 260 reviews
39273 Liberty Street, Fremont, CA, 94538
1.7 miles away
Testing too soon can miss an infection. Enter the date of possible exposure to see the earliest a test can reliably detect each STI.
Infection
Earliest reliable test
Conclusive after
Guidance only — confirm timing with a clinician. A negative result before the conclusive date may need a repeat test.
Community health center
Bay Area Community Health
Closest to you
★★★★☆4.3(85 reviews)?
Review sources
EasySTD reviews85
Rated 4.3 out of 5 from 85 reviews
About 2 miles east of Fremont in Fremont: Bay Area Community Health is a Title X clinic serving anyone who needs STI testing, treatment, and prevention in one visit—whether you're insured, on Medicaid, or paying out of pocket on a sliding scale. It's built for people who want to handle testing, same-day treatment for bacterial infections, and vaccines all at once.
Read full overviewShow less
A clinic that handles testing, treatment, and prevention together
Bay Area Community Health screens for the full spectrum of STIs—HIV (rapid and conventional), chlamydia, gonorrhea, syphilis, herpes, hepatitis B and C, and TB—and treats bacterial infections on the same visit. You can also get HPV and hepatitis A vaccines, plus condoms and education on prevention, all without leaving the clinic.
Cost works for most budgets
There's a standard visit fee, but the clinic runs on a sliding scale, so what you pay depends on income. Medicaid and insurance are accepted, making it accessible whether you're covered or not.
You'll need an appointment
Call ahead to book; walk-ins aren't available. Once you're in, expect a straightforward visit: testing, counseling, and if needed, treatment and vaccination the same day.
Best for anyone juggling multiple needs at once
If you want testing, treatment, and prevention handled in a single appointment—and you're comfortable planning ahead—this clinic makes it simple. It works well for people on a budget and those with insurance or Medicaid alike.
Title XSliding-scale
40910 Fremont Boulevard, Fremont, CA 94538
1.5 miles away
Family Planning · STI Treatment · Human Papillomavirus Vaccine (HPV) · Hepatitis A Vaccine · Adult Hepatitis B Vaccine
Prevention services
TB Prevention/Education · STI Prevention/Education · HIV/AIDS Prevention/Education · HIV Test Counseling · Hepatitis Prevention/Education · Condom Distribution
About 2 miles north of Fremont in Fremont: Bay Area Community Health charges on a sliding scale—free or low-cost depending on income—and accepts Medicaid and insurance, making it accessible whether you're insured or paying out of pocket. It screens for HIV, hepatitis B and C, chlamydia, gonorrhea, and syphilis, with same-visit treatment for bacterial infections and PrEP available for those without insurance.
Read full overviewShow less
Sliding scale means you pay what fits your budget
Bay Area Community Health charges on a sliding scale, so the cost depends on your income—Medicaid and insurance are accepted, and if you're uninsured, PrEP is available at no cost. A standard visit fee applies if you're paying out of pocket, but the clinic adjusts it based on what you can afford.
Tests for six infections, treatment same-visit for most
You'll be screened for HIV, hepatitis B and C, chlamydia, gonorrhea, and syphilis. Bacterial STIs—chlamydia, gonorrhea, and syphilis—can be treated the same visit you're tested. The clinic also offers HPV and hepatitis B vaccines, plus PrEP if you need HIV prevention.
Appointments required; Spanish interpretation available
You'll need to schedule an appointment ahead of time. Interpretation services are available for non-English languages, and Spanish-language support is on staff, so language won't be a barrier to care.
Best for anyone needing affordable testing and treatment
This clinic works well if you're uninsured or on a tight budget, since the sliding scale and PrEP coverage for the uninsured remove cost barriers. It's also a solid choice if you speak Spanish or need interpretation, or if you want testing, treatment, and prevention—like vaccines or PrEP—all in one place.
Sliding-scalePrEP
1999 Mowry Avenue, Suite D Fremont, CA 94538
2.2 miles away
Family Planning · STI Treatment · Human Papillomavirus Vaccine (HPV) · Pre-Exposure Prophylaxis (PrEP) · Adult Hepatitis B Vaccine
Prevention services
STI Prevention/Education · Needle Cleaning, Needle Exchange or Needle Distribution · HIV/AIDS Prevention/Education · HIV Test Counseling · Hepatitis Prevention/Education
About 2 miles west of Fremont in Newark: Alameda Health System takes appointments for STI testing and treatment alongside family planning and vaccines. It's built for people with insurance, Medicaid, or a flexible budget who want a full-service visit in one place.
Read full overviewShow less
Book ahead for a complete visit
You'll need to call and schedule an appointment rather than walk in, but once you're there, a single visit can cover testing, treatment, and prevention all at once. The clinic screens for chlamydia, gonorrhea, syphilis, HIV, and TB, and can treat bacterial infections on the spot; it also offers HPV and hepatitis A vaccines and family planning services in the same location.
Testing and treatment under one plan
If you test positive for chlamydia, gonorrhea, or syphilis, treatment is available during your visit. HIV and TB results require follow-up care, but the clinic manages both. You'll also find condoms and prevention education, plus TB prevention resources if that's relevant to you.
Cost depends on what you have
If you carry Medicaid or Medicare, or have private insurance, those are accepted. Without insurance, the clinic uses a sliding scale, so you pay based on income. Expect a standard visit fee if you're uninsured and don't qualify for the sliding scale.
Spanish and Vietnamese interpretation available
The clinic offers interpretation in Spanish and Vietnamese, so language won't block you from getting care.
6066 Civic Terrace Avenue, Newark, CA 94560
2.4 miles away
About 5 miles northwest of Fremont in Union City: Obria Medical Clinics welcomes walk-ins for STI testing and treatment without requiring an appointment, making it straightforward for anyone who needs quick access to screening. The clinic handles testing, same-visit treatment for bacterial infections, and prevention education on a sliding-scale fee structure.
Read full overviewShow less
Walk in anytime—no appointment needed
Obria Medical Clinics in Union City takes walk-ins, so you can get tested without planning ahead or waiting weeks for an opening. A single visit covers testing, treatment if needed, and a conversation about prevention—no back-and-forth between clinics.
Tests for the major bacterial and viral STIs
The clinic screens for chlamydia, gonorrhea, syphilis, herpes, hepatitis B and C, and HIV. If you test positive for chlamydia, gonorrhea, or syphilis, treatment is available on the same visit. The clinic also offers family planning and STI and HIV prevention education.
Sliding scale—Medicaid and insurance welcome
There is a fee for services, but it slides based on what you can pay. Medicaid and insurance are accepted, so costs adjust to your coverage. If you're uninsured or paying out of pocket, ask about the sliding scale when you arrive.
Best for anyone who needs fast, no-fuss testing
If you want to walk in without scheduling weeks ahead, or you need same-visit treatment for a bacterial STI, Obria's model cuts the hassle. It works well for people with unstable schedules or those who prefer to avoid the appointment-booking process.
33523 Western Avenue, Union City, CA 94587
5.3 miles away
About 6 miles northwest of Fremont in Union City: Tiburcio Vasquez Health Center tests for HIV, chlamydia, gonorrhea, syphilis, herpes, hepatitis B and C, and TB—and treats bacterial infections on the spot. It's built for anyone seeking thorough screening plus prevention, from condoms to mpox and HPV vaccines.
Read full overviewShow less
Testing and same-visit treatment for bacterial STIs
The center screens for the full spectrum: HIV, chlamydia, gonorrhea, syphilis, herpes, hepatitis B and C, and TB. Bacterial infections like chlamydia, gonorrhea, and syphilis are treated the same visit you test. If you need to know your status across multiple infections, this is the place to do it all at once.
Prevention built in: vaccines, condoms, and counseling
Beyond testing, the center distributes condoms free and offers mpox vaccine at no cost, plus HPV and hepatitis A vaccines. HIV test counseling and STI prevention education are part of the visit, so you leave with both answers and a plan.
Sliding-scale fees, insurance and Medicare accepted
Testing and treatment are free for those who qualify; everyone else pays on a sliding scale based on income. Medicare and insurance are accepted, so your coverage may cover the full cost.
Appointment required; interpretation in multiple languages
You'll need to book ahead. The center offers interpretation in Spanish, Tagalog, Cambodian, and American Sign Language, so language won't be a barrier.
Sliding-scale
33255 9th Street, Union City, CA 94587
5.7 miles away
About 7 miles south of Fremont in Alviso: Gardner Health Services tests for HIV, chlamydia, gonorrhea, syphilis, hepatitis B and C, and TB—and treats bacterial STIs and TB on-site. It's built for anyone who needs thorough screening, same-visit treatment when possible, and prevention planning, especially those navigating cost.
Read full overviewShow less
Testing and treatment in one visit
Gardner Health Services screens for HIV, chlamydia, gonorrhea, syphilis, hepatitis B and C, and TB. Bacterial STIs and TB are treated on-site the same day you test, so you don't wait for results to start care. If you test positive for HIV or hepatitis, treatment is managed through the clinic's partnerships.
Prevention built into every visit
Beyond testing, the clinic offers HPV and hepatitis A vaccines, plus counseling on HIV, STI, TB, and hepatitis prevention. Staff also discuss safer-sex practices and TB exposure, so you leave with a plan, not just results.
Sliding-scale fees for most people
Testing and treatment are not free, but Gardner Health Services accepts Medicaid, Medicare, and insurance. If you're uninsured or paying out of pocket, a sliding scale adjusts your fee based on income, so cost doesn't block access.
Appointments required; Spanish and Chinese spoken
You'll need to schedule ahead rather than walk in. The clinic offers interpretation in Spanish and Chinese, making it easier if English isn't your first language.
Beyond the public testing sites above, these federally certified (CLIA) labs serve Alameda County — each lab's town is shown on its card below. Many
test through a doctor's order or by appointment rather than walk-in, so call ahead to
confirm STD/STI testing and availability before visiting.
Showing the 6 closest CLIA-certified labs in Alameda County.
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records, filtered to active labs
certified for moderate-to-high-complexity testing — the level chlamydia/gonorrhea NAAT and syphilis serology
require — near Fremont. Any star rating is the CMS Hospital Compare overall rating where the lab is a rated
hospital. Inclusion is not an endorsement and doesn't confirm a facility offers STD testing — always call to verify.
Test from home
At-home STD testing in Fremont, CA
The nearest testing center is about 2 miles away — if you'd rather skip the
trip, an at-home kit ships to Fremont, you collect the sample privately, and mail it back to a CLIA-certified
lab. Results come online in days, with a clinician available if anything is positive. Same labs as a clinic,
no waiting room — and you can read how accurate at-home STD tests are before you order.
Want a free option first? The CDC-supported
TakeMeHome
program mails free at-home HIV self-test kits — and, in many areas, free STI kits — to your door, with no insurance or payment needed. The paid kits below add broader panels and faster turnaround.
Best range — couples & full panels
myLAB Box
$79 & up
Screens for:
Up to 14 infections — incl. HIV, syphilis, chlamydia, gonorrhea, hepatitis & herpes
Every kit uses CLIA-certified labs. At-home testing is for screening; a reactive result should be confirmed and
treated by a clinician. Prices and panels shown are illustrative and change often — confirm current details on
the provider's site.
Local clinicians
Doctors near Fremont who can order STD testing
Beyond dedicated clinics, 5,917 primary-care, OB-GYN, infectious-disease
and other clinicians practice within 30 miles of Fremont — any of them can order a confidential STD panel as
part of a regular visit, and 2,380 offer telehealth.
These are licensed clinicians who can order STD testing during a visit — not dedicated STD-testing clinics.
Confirm services and availability before booking. Source: CMS Doctors & Clinicians (Medicare-enrolled providers).
Local context
About Fremont, CA
A notable share of residents speak limited English (bilingual services help). Fremont, in Alameda, California, is a large city. Irvington District is the closest neighboring town, and it's a comparatively well-off area. Even with clinics in the area, appointments can be tight, so at-home kits and telehealth keep testing quick and private.
ZIP 94536 snapshot
Inside Fremont's ZIP code
These ZIP-level Census figures show the demographics that shape testing demand in Fremont.
Residents
70,707
Median age
38.6
Median income
$156,672
Getting there
How residents reach testing in Fremont
Walkability13.35 / 20 · Above average
Fremont scores 13.35/20 on the EPA walkability index, so many trips are walkable or a short ride — though a car still gives you the widest choice of testing centers.
Source: EPA National Walkability Index 2021.
Have symptoms?
Do I have an STD?
Use our confidential symptom checker to see which STDs match your symptoms — and which tests are recommended near Fremont.
Here's how reported STI rates in Alameda County — the county that includes Fremont — compare with California and U.S. averages, based on the most recent 2023 surveillance data.
An estimated ~24% of Alameda County residents are aged 15–34 (ACS) — the age group with the highest reported chlamydia and gonorrhea rates nationally, which is why local screening access matters here.
Lower chlamydia rate than 28% of the state's 58 counties (ranked #17)
Reported STD rates per 100,000 — Alameda County vs California vs U.S.
Alameda CountyCaliforniaU.S.
Infection
Alameda County
California
United States
Chlamydia
453.47,355 cases▼ 8%
491.1
492.2
Gonorrhea
198.83,225 cases▲ 5%
190.2
179.5
Syphilis (P&S)
11.5186 cases▼ 29%
16.3
15.8
Syphilis (early)
10.3167 cases▼ 46%
19.1
16
Syphilis (late/unknown)
18.9307 cases▼ 60%
46.7
29.5
Rates per 100,000 population, 2023. Source: CDC NCHHSTP AtlasPlus (county, state & U.S., all-ages basis). Population figures: U.S. Census Bureau ACS. County figures are the latest available surveillance estimates. Bars are scaled to the highest rate shown.
Reading these numbers: reported case rates only count infections that were actually tested for and diagnosed, so they track local screening effort as much as true spread — a higher rate can reflect more testing, a lower one less. Either way, most STIs cause no symptoms, so treat the figures above as context rather than a verdict, and test on the CDC's schedule regardless of how your area looks.
Reported STD rates in Alameda County over time (per 100,000)
Chlamydia ▼ 3% vs 2022
Chlamydia
Gonorrhea
Syphilis (P&S)
Between 2020 and 2023 in Alameda County, chlamydia has risen from 432.2 to 453.4 per 100,000 (5%), gonorrhea has fallen from 207.6 to 198.8 per 100,000 (4%), and P&S syphilis has fallen from 12.7 to 11.5 per 100,000 (9%).
The 2020 dip reflects reduced pandemic-era screening, not lower transmission. Source: CDC NCHHSTP AtlasPlus (county, state & U.S., all-ages basis).
Community health context
What shapes testing access in and around Fremont
Adults uninsured
5.5%
No routine checkup
27.8%
No transportation
6.1%
Binge drinking
14.9%
Frequent mental distress
13.6%
Depression
16.9%
Below poverty line
6.6%
Primary-care ratio
893 : 1
Alameda County
Primary-care shortage score 20 / 26
Medically Underserved Area · IMU 52.3
Social Vulnerability Index · 51th percentile nationally
Sources: CDC PLACES (ZIP), County Health Rankings, CDC/ATSDR SVI, HRSA HPSA, HRSA MUA/P, Neighborhood Atlas ADI. Lower insurance coverage, fewer routine checkups, and a thin primary-care ratio all raise the value of low-cost public clinics and at-home testing in Alameda County.
Local HIV snapshot
HIV in Alameda County (2023)
Federal priority area: Alameda County is one of 48 U.S. counties prioritized under the Ending the HIV Epidemic initiative — targeted federal funding to expand local HIV testing, PrEP, and prevention.
People living with HIV
433 / 100k
New diagnoses (2023)
194
On PrEP (coverage)
25%
Alameda County HIV care continuum (2023)
Alameda County recorded 13.9 new HIV diagnoses per 100,000 (2023), against 14.9 statewide and 13.7 nationally.
Among Alameda County residents living with HIV, 90.1% know their status · 80.3% are in care · 73.5% are virally suppressed.
Early, routine testing is what moves these numbers — it is the entry point to PrEP, treatment, and viral suppression.
Sources: AIDSVu (Emory/Gilead) · CDC AHEAD · CDC AtlasPlus · CDC NCHHSTP AtlasPlus (county care continuum). The CDC recommends everyone aged 13–64 test for HIV at least once — every lab and clinic listed above offers HIV testing, and free rapid HIV testing is available at the county health department.
Pregnant or planning to be?
Congenital syphilis — passed from parent to baby in pregnancy — is the fastest-rising STI in the country.
U.S. cases climbed from 2,163 in 2020 to 3,882 in 2023.
It is almost entirely preventable: the CDC recommends a syphilis test at the first prenatal visit, and every clinic and lab listed for Alameda County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Compiled and checked by EasySTD's editorial team against CDC and public-health sources. This is educational information, not a substitute for advice from a licensed clinician. Our editorial guidelines →
Two quick references for getting tested in Alameda County: the CDC's screening schedule (who should test, and how often) and the detection "window" for each infection (the earliest a test can reliably detect it). Select any infection to open its in-depth testing guide — every clinic and lab listed above for Fremont screens for them.
Who should get tested, and how often
Based on current CDC screening recommendations.
Group
Tests
How often
Everyone aged 13–64
HIV
At least once
Sexually active women under 25
Chlamydia, gonorrhea
Every year
Women 25+ with new or multiple partners
Chlamydia, gonorrhea
Every year
Pregnant people
HIV, syphilis, hepatitis B & C, chlamydia
Early in pregnancy
Gay & bisexual men (MSM)
Chlamydia, gonorrhea, syphilis, HIV
Every 3–6 months
Anyone who shares injection equipment
HIV, hepatitis B & C
At least yearly
All adults at least once
Hepatitis C
At least once
When to test: STD detection windows
Testing too early can return a false negative — confirm timing with a Fremont-area provider.
These are the federal Medicare reference prices for processing each lab test. Public clinics and the
community health centers serving Fremont often test free or on a sliding scale; private labs and at-home kits
bundle several tests into one fee. Use this as a per-test benchmark before you pay out of pocket, or see the full
guide to STD test costs for insurance, free, and at-home options.
Test
Reference price
CPT / HCPCS
Chlamydia (NAAT)
$47.80
87491
Gonorrhea (NAAT)
$47.80
87591
Trichomoniasis (NAAT)
$47.76
87661
HIV-1/2 antigen/antibody
$79.20
87389
HIV-1/2 antibody
$22.44
86703
Syphilis (RPR/VDRL)
$5.61
86592
Syphilis (treponemal antibody)
$17.49
86780
Herpes (HSV NAAT)
$47.76
87529
Hepatitis B surface antigen
$15.33
87340
Hepatitis C antibody
$29.16
86803
Source: Medicare Clinical Laboratory Fee Schedule, CMS — 2025 rates (data.cms.gov). Reference rate for the lab assay only — a clinic visit, sample collection, or a
bundled multi-test panel may cost more. Medicaid and most insurers cover STD screening at no out-of-pocket cost.
Prevention & treatment
PrEP, prevention & online treatment
Testing is one step. For residents of Fremont, telehealth covers the rest of the picture — HIV-prevention
medication (PrEP) and DoxyPEP to lower future risk, and discreet online treatment if a result comes back
positive. All prescribed by licensed U.S. clinicians.
Prevent (PrEP & DoxyPEP)
Daily or on-demand medication that prevents HIV — and DoxyPEP, which lowers the risk of syphilis, chlamydia and gonorrhea.
Mistr
Free online PrEP & DoxyPEP — HIV prevention, home lab kits, no in-person visit
Pricing varies by insurance and changes often — confirm on the provider's site. These services are not a
substitute for emergency care.
Privacy
Confidentiality & consent in California
The questions Fremont residents ask most before testing, answered under California law — which sets confidentiality and consent the same way statewide. Prefer to keep your name off the record? See our guide to anonymous STD testing.
Can a minor consent?
In California, minors aged 12 and older can consent to confidential STI testing and treatment on their own — no parental permission is required.
Will it show on my insurance?
If you use health insurance, an Explanation of Benefits (EOB) may be mailed to the policyholder. Under HIPAA you can ask your insurer in writing to send communications confidentially. To keep a test fully private, choose a self-pay private lab, an at-home kit, or a public health clinic — none of these bill your insurance.
Anonymous & no-insurance options
Public health clinics and at-home kits let you test without involving insurance or your regular doctor. Many California health departments offer free or low-cost STI testing, and several sites provide anonymous HIV testing.
Can my partner be treated too?
Yes. California permits Expedited Partner Therapy (EPT): if you test positive for chlamydia or gonorrhea, your provider can give you medication to pass to your partner — no separate exam or appointment needed for them.
Source: Guttmacher Institute — Minors' Access to STI Services; HIPAA 45 CFR 164.522; CDC — Legal Status of Expedited Partner Therapy (last updated Jul 2025). General information, not legal advice.
Good to Know
STD testing FAQs for Fremont, CA
Answers to the questions people ask most before getting tested.
Where can I get tested for STDs in Fremont?
The closest is Bay Area Community Health (1.5 mi); 10 options sit within 30 miles.
What does STD testing cost around Fremont?
Public clinics are free; private labs ~$24–$139, at-home kits $99–209.
Is there free STD testing near Fremont?
Yes — Bay Area Community Health (1.5 mi) offers free testing, and public clinics serve the uninsured.
Which tests are offered near Fremont?
Local options test for Chlamydia, Gonorrhea, Syphilis, Herpes, Hepatitis A, Hepatitis B, Hepatitis C, Rapid HIV — a full panel covers the common ones.
How common is chlamydia in Alameda County?
About 453 cases per 100,000 residents (2023), below the California average.
I tested positive — what are the next steps?
Start treatment, tell recent partners so they can test, avoid sex until cleared, and retest if advised — most STIs resolve with care.
How is gonorrhea tested near Fremont?
A urine sample or a swab (genital, throat, or rectal) detects gonorrhea, often tested alongside chlamydia.
I tested negative — am I fully in the clear?
Likely yes, if you were past the window period; otherwise retest, and keep up routine screening with new partners.
Can trich be treated?
It's cured with antibiotics; treating partners together prevents reinfection.
Can herpes be treated?
There's no cure, but antivirals manage symptoms well and reduce transmission.
