HIV diagnosis rates in Santa Clara County are 25% lower than the US average. If you're starting a new relationship in Santa Clara County, California or seeking ongoing care, you have options. Some clinics take walk-ins for same-day testing, while labs and at-home kits offer more flexible scheduling. See the list below to choose your best fit.
Available testing centers
11 testing options are listed for Santa Clara, CA. The nearest, Instant Urgent Care, is about 1.6 miles away. Compare 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.
Source: CMS FQHC & Rural Health Clinic enrollment files (data.cms.gov), refreshed quarterly. Title X status reflects the latest OPA grantee list.
Instant Urgent Care in Santa Clara runs STI testing by appointment, covering chlamydia, gonorrhea, syphilis, and herpes on a sliding-scale fee accepted alongside Medicare and most insurance. Bacterial infections treated the same visit, with Spanish-language care available.
Instant Urgent Care tests for herpes simplex in addition to chlamydia, gonorrhea, and syphilis. A fifth infection on the panel that many urgent-care sites don't run. That broader scope means a single appointment can surface infections that a four-test panel would leave undetected.
For anyone without a primary-care provider or seeking PrEP without the delay of specialist scheduling, Instant Urgent Care prescribes and manages it on-site. The clinic also carries PEP, so both daily prevention and post-exposure treatment come from the same source rather than separate providers.
Instant Urgent Care delivers care in Spanish at the clinical level, not through a separate service layered onto the visit. For patients whose primary language is Spanish, that means symptom history, medication instructions, and prevention counseling are communicated directly, without anything lost in relay.
Languages
English, Spanish
Tests offered
Care services
Prevention services
Fees & payment
Listing verified Apr 2026 · Source: CDC NPIN
Bill Wilson Center in Santa Clara welcomes walk-ins for STI screening, meaning no appointment stands between a patient and same-day care. Federal qualification ties fees to a sliding income scale, and a single visit can cover syphilis, gonorrhea, and chlamydia testing in one stop.
Tests offered
Fees & payment
Roots Community Health Center in San Jose runs STI care by appointment, with gonorrhea, chlamydia, syphilis, herpes, hepatitis C, and HIV testing covered in a single visit: bacterial infections treated the same day, with fees on a sliding scale accepted alongside Medicaid, Medicare, and private insurance.
Languages
English
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Apr 2026 · Source: CDC NPIN
Valley Health Center Sunnyvale, in Sunnyvale, earned its federal qualification by tying fees directly to what patients can pay: making syphilis, gonorrhea, and chlamydia screening realistic for anyone paying out of pocket, between providers, or working without coverage. Walk-ins are welcome.
Tests offered
Fees & payment
O'connor Medical Clinic Hospital Campus, in San Jose, earns its federally qualified health center designation by tying STI screening costs directly to each patient's income. Walk-ins are welcome for syphilis, gonorrhea, and chlamydia testing, with sliding-scale fees ensuring no one pays more than their finances allow.
Tests offered
Fees & payment
O'connor Medical Clinic Forest, in San Jose, earned its federally qualified designation by tying fees to patient income: meaning syphilis, gonorrhea, and chlamydia screening stays within reach regardless of what someone earns, and no appointment is needed to access that care.
Tests offered
Fees & payment
Planned Parenthood Mar Monte in San Jose runs appointment-based STI care on a sliding-scale fee (testing for gonorrhea, syphilis, herpes, chlamydia, and HIV, with same-visit treatment for bacterial infections) serving patients in Chinese, Hindi, Spanish, and beyond.
Planned Parenthood Mar Monte carries clinical staff and interpretation capable in Chinese, Hindi, Spanish, Tagalog, and Vietnamese: meaning someone managing ongoing PrEP, navigating a new diagnosis, or sorting out treatment options can work through the details in the language they actually use to make decisions.
Many clinics treat family planning as an adult service and leave younger patients to navigate other channels. Planned Parenthood Mar Monte's Title X designation changes that: minors can access legally confidential family planning and STI services here without the gaps that force them elsewhere.
Planned Parenthood Mar Monte prescribes both PrEP and PEP directly, so a patient who wants to start HIV prevention doesn't need a separate specialist. The medication conversation and the prescription happen in the same visit as testing.
Languages
Chinese, English, Hindi, Interpretation Services Available for Non-English Languages, Spanish, Tagalog, Vietnamese
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Aug 2025 · Source: CDC NPIN
Free tool · not a clinic
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 |
|---|---|---|
| Chlamydia | 7 days after exposure | 14 days after exposure |
| Gonorrhea | 7 days after exposure | 14 days after exposure |
| Trichomoniasis | 7 days after exposure | 28 days after exposure |
| HIV (NAT / RNA) | 10 days after exposure | 33 days after exposure |
| HIV (4th-gen Ag/Ab) | 18 days after exposure | 45 days after exposure |
| HIV (antibody) | 21 days after exposure | 84 days after exposure |
| Syphilis | 21 days after exposure | 42 days after exposure |
| Hepatitis B | 21 days after exposure | 42 days after exposure |
| Hepatitis C | 56 days after exposure | 77 days after exposure |
| Herpes (HSV) | 28 days after exposure | 112 days after exposure |
Guidance only, confirm timing with a clinician. A negative result before the conclusive date may need a repeat test.
Typical out-of-pocket ranges by option, actual cost depends on which tests you need.
Public / community clinic
Free HIV testing is common
Private lab (self-pay)
Never billed to insurance
At-home kit
Mailed to your door, private
Doctor / urgent care
Often $0 preventive with insurance
No centers match those filters. Clear the service-type filter or the opening-hours filters to see every center.
Every other option
Beyond the dedicated testing centers above: at-home kits by mail, hospital labs certified for STI testing, local clinicians who can order a panel during a regular visit, pharmacies for self-test kits and prescriptions, and online PrEP & treatment.
Test from home
The nearest testing center is about 2 miles away; if you'd rather skip the trip, an at-home kit ships to Santa Clara, 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 (opens in a new tab) 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.
In-home collection
$79 & up
Best value: single tests
$49 & up
Best range: couples & full panels
$79 & up
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.
Also in the area
Beyond the public testing sites above, these federally certified (CLIA) labs serve Santa Clara 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.
700 Lawrence Expressway, Santa Clara, CA 95051
CMS-certified lab Accredited · College of American Pathologists
3521 Leonard Court, Santa Clara, CA 95054
CMS-certified lab Accredited · College of American Pathologists
3521 Leonard Court, Santa Clara, CA 95054
CMS-certified lab Accredited · College of American Pathologists
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Santa Clara. A CLIA certificate records only that a laboratory is federally certified — it does not confirm the site performs STD testing, nor its hours, price or access. Inclusion is not an endorsement; always call to verify.
Local clinicians
Beyond dedicated clinics, 3,310 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Santa Clara. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 1,441 offer telehealth.
Ann Kodani, DO
Internal medicine · 700 Lawrence Expressway, Santa Clara
Christina Umphrey, MD
Internal medicine · 710 Lawrence Express Way, Santa Clara
Maggie Wang, MD
Family medicine · 2734 El Camino Real, Santa Clara
Estelita Ouano, MD
Family medicine · 988 Walsh Avenue, Santa Clara
Marisa Jayakar, MD
Family medicine · 2712 Augustine Drive, Santa Clara
James Son, MD
Internal medicine · 1150 Scott Boulevard, Santa Clara
These are registry-listed clinicians, not dedicated STD-testing clinics. CMS records do not independently verify current licensure, testing services, availability, price, or new-patient status. Confirm each detail before booking. Source: CMS Doctors & Clinicians.
Nearby pharmacies
No pharmacy near Santa Clara, CA publishes an STD-related service or holds a current CLIA testing certificate, so these are simply the closest. Contact a location directly to confirm counter hours, services, prices, and availability before visiting.
Central Pharmacy
0.9 mi
0.9 mi 
0.9 mi 
0.9 mi Han’s Pharmacy
1.5 miShowing the 5 closest pharmacies to Santa Clara, CA.
Directory records identify nearby pharmacies. Service, stock, price, and hours information is shown only when supported by current location-specific evidence.
Prevention & treatment
Testing is one step. For residents of Santa Clara, telehealth covers the rest: 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.
$0 with most insurance
Free online PrEP & DoxyPEP: HIV prevention, home lab kits, no in-person visit
Visit from $39
Online STI treatment & DoxyPEP: same-day prescriptions to your pharmacy
Visit from $0 insured
Telehealth STI treatment and sexual-health care, delivered or to your pharmacy
From $0 insured
Telehealth PrEP & DoxyPEP with at-home testing and ongoing monitoring
Pricing varies by insurance and changes often, confirm on the provider's site. These services are not a substitute for emergency care.
STD stats & rates
How reported STI rates in Santa Clara County, the county that includes Santa Clara, compare with California and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~36% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#36 of 58 California counties for chlamydia, a higher rate than 38% of the state
| Infection | Santa Clara County | California | United States |
|---|---|---|---|
| Chlamydia | 301.8 5,666 cases ▼ 39% | 491.1 | 492.2 |
| Gonorrhea | 110.9 2,083 cases ▼ 42% | 190.2 | 179.5 |
| Syphilis (P&S) | 8.4 157 cases ▼ 48% | 16.3 | 15.8 |
| Syphilis (early) | 10.4 196 cases ▼ 46% | 19.1 | 16 |
| Syphilis (late/unknown) | 29.1 546 cases ▼ 38% | 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. These 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.
Between 2020 and 2023 in Santa Clara County, chlamydia has risen from 229.4 to 301.8 per 100,000 (32%), gonorrhea has fallen from 117.7 to 110.9 per 100,000 (6%), and P&S syphilis has fallen from 18.3 to 8.4 per 100,000 (54%).
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
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 Santa Clara County.
Local HIV snapshot
Santa Clara County HIV care continuum (2023)
Santa Clara County recorded 10.3 new HIV diagnoses per 100,000 (2023), against 14.9 statewide and 13.7 nationally. Among Santa Clara County residents living with HIV, 77.4% are in care · 70.1% 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 a local health department.
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 Santa Clara County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
San Tomas Expressway connects Newhall to Rose Garden in under ten minutes, yet the household decisions that shape health behavior here unfold on a longer timeline. More than half of Santa Clara adults are married, and most households run larger than three people, which means conversations about STI screening rarely happen in isolation. When one person in a family decides to stay current on testing, that choice tends to ripple outward.
Housing costs shape those choices in real ways. Most residents here rent rather than own, at monthly rates that leave little cushion for discretionary medical spending. Even with a clear majority of households earning above six figures, rent at that level absorbs a significant slice of income, and anything that adds a cost or a scheduling hurdle to a health appointment can cause it to keep getting deferred. For younger adults in their late teens and twenties, who represent a substantial share of Santa Clara's population and see the steepest rates of new STI diagnoses, those deferred appointments carry the most consequence. The options listed on this page cover a range of fee structures and hours precisely because the after-work window and the weekend slot are often the only realistic openings for someone commuting along Central Expressway.
Santa Clara County's STI surveillance data has shown persistent transmission across the region for several consecutive years, and that pattern doesn't exempt higher-income, higher-employment cities. For a resident of College Park or Civic Center, staying current means treating a routine screen as a normal part of living in a place where the underlying numbers have not trended quiet.
Getting there
Santa Clara scores 12.77/20 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.
ZIP 95051 snapshot
ZIP-level Census figures for the wider 95051 area around Santa Clara: a single ZIP can span several communities, so they describe the area, not Santa Clara alone.
Santa Clara sits in Santa Clara County, ZIP 95051. Local context that shapes where residents test:
Local landmarks
Neighborhoods & communities
Major routes
Nearby cities & towns
Just outside Santa Clara? These nearby communities have their own testing guides: clinics, at-home kits, and free screening close to home.
Reference
Everything to know before you test in Santa Clara County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under California law. If you have symptoms right now, our confidential symptom checker maps them to the tests worth considering.
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 |
Testing too early can return a false negative, confirm timing with a Santa Clara-area provider.
| Infection | Earliest reliable test | Sample |
|---|---|---|
| Chlamydia | 1–2 weeks | Urine or swab |
| Gonorrhea | 1–2 weeks | Urine or swab |
| Trichomoniasis | 1–4 weeks | Urine or swab |
| HIV (NAT / RNA) | 10–33 days | Blood |
| HIV (4th-gen Ag/Ab) | 18–45 days | Blood |
| HIV (antibody) | 3–12 weeks | Blood / oral |
| Syphilis | 3–6 weeks | Blood |
| Hepatitis B | 3–6 weeks | Blood |
| Hepatitis C | 8–11 weeks | Blood |
| Herpes (HSV) | 4–16 weeks (antibody); swab a sore | Blood / swab |
These are the federal Medicare reference prices for processing each lab test. Public clinics and the community health centers serving Santa Clara 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 | $26.87 | 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.
Two things that actually depend on California law: who can consent, and whether partners can be treated without their own visit. Everything else about testing privately is the same nationwide (see below).
In California, a minor aged 12 or older can consent to confidential STI testing and treatment on their own, no parental permission is required.
California permits Expedited Partner Therapy (EPT): if you test positive for chlamydia or gonorrhea, your provider can give you medication (or a prescription) to pass to your partner, no separate exam or appointment needed for them.
Keeping a test private works the same in every state. Whether an STD test shows on insurance (the EOB), how to test anonymously, and self-pay options that leave no insurance trail don’t change by location.
Learn more about confidential STD testing in CaliforniaSource: Guttmacher Institute, Minors' Access to STI Services; CDC, Legal Status of Expedited Partner Therapy. General information, not legal advice.
Good to Know
Answers to the questions people ask most before getting tested.
The closest is Instant Urgent Care (1.6 mi); 11 options are within 30 miles.
Medicaid generally covers STD testing, and public clinics test for free regardless of coverage.
Public clinics nearby offer free HIV testing.
Local options test for Chlamydia, Gonorrhea, Syphilis, Herpes, Hepatitis A, Hepatitis B, Hepatitis C, Rapid HIV, a full panel covers the common ones.
About 302 cases per 100,000 residents (2023), below the California average.
PrEP (HIV-prevention medicine for HIV-negative people) is available locally, any provider can prescribe it.
In California, people under 18 can consent to confidential STD testing and treatment on their own.
Yes, HSV-1 from the mouth can spread to the genital area through oral sex.
It's cured with antibiotics; treating partners together prevents reinfection.
It depends: a blood draw covers HIV, syphilis, and hepatitis, while urine or a swab covers chlamydia and gonorrhea.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.