In Contra Costa County, gonorrhea rates are reported about 29% lower than the US average. Whether you're in Walnut Creek, California, and have symptoms or want peace of mind, you can choose between clinics that may bill insurance or offer sliding-scale fees, and private labs that typically charge a flat self-pay price, to get tested. Options are listed below.
Available testing centers
12 testing options are listed for Walnut Creek, CA. The nearest, Labcorp, is about 0.6 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.
Planned Parenthood Northern California in Walnut Creek accepts Medicaid, most insurance, and applies a sliding scale to every fee level: opening the full panel of HIV, syphilis, gonorrhea, chlamydia, herpes, and hepatitis B and C to anyone regardless of what they can pay. Appointments required; bacterial STIs treated same visit.
When a patient can't fully express symptoms or understand a diagnosis, STIs go undertreated and follow-up falls apart. Planned Parenthood Northern California Walnut Creek delivers care in Spanish and through interpretation services for other languages, so nothing critical gets lost between the exam room and the treatment plan.
Without Title X protections, a minor seeking STI testing or family planning faces disclosure risks that can stop care before it starts. As a Title X clinic, Planned Parenthood Northern California in Walnut Creek is legally bound to keep those services confidential: the care happens, and the record stays private.
Planned Parenthood Northern California Walnut Creek prescribes and manages both PrEP, including coverage for uninsured patients, and PEP directly, meaning the medications, monitoring labs, and follow-up cycles are handled within the same clinic rather than handed off. Uninsured patients have a specific cost pathway for PrEP built into the fee structure.
Languages
English, Interpretation Services Available for Non-English Languages, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Jul 2025 · Source: CDC NPIN
La Clinica in Concord tests for HIV, syphilis, gonorrhea, chlamydia, herpes, hepatitis B, and hepatitis C: the full panel runs on a sliding scale, with every service ultimately provided at no fee; bacterial infections are treated same-visit, and appointments are required.
Beyond gonorrhea, chlamydia, syphilis, and HIV, La Clinica's panel includes herpes simplex, hepatitis B, and hepatitis C. All ordered and resulted within the same clinical encounter. That reach means hepatitis C infection, which can progress silently for years, gets caught and managed here rather than surfaced only if a provider elsewhere thinks to look.
Spanish-language care at La Clinica runs through clinicians and staff who work in the language directly: histories are taken, results explained, and treatment plans laid out in Spanish without relay through a secondary service. That operational staffing keeps clinical nuance intact at every step of the encounter.
La Clinica accepts Medicaid, Medicare, and private insurance, and runs a sliding-scale fee for everyone else: the structure is built so that the final amount owed, regardless of payer or income, comes to nothing. No service on the panel carries a residual charge once that calculation runs.
Languages
English, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Aug 2025 · Source: CDC NPIN + HRSA
Willow Pass Wellness Center in Concord ties STI screening fees to income, so cost never blocks care. Federal qualification backs that sliding-scale commitment. Walk-ins are welcome for syphilis, gonorrhea, and chlamydia screening, with no one turned away based on ability to pay.
Tests offered
Fees & payment
Rainbow Community Center in Concord earns its federally qualified standing by tying fees directly to income, no one is turned away for inability to pay. Appointments bring access to sliding-scale syphilis, gonorrhea, chlamydia, and HIV screening for anyone who walks through the door.
Languages
English, Spanish
Tests offered
Serves
Prevention services
Fees & payment
Listing verified Sep 2025 · Source: CDC NPIN + HRSA
Concord Health Center Building 2, in Concord, prices STI care on a sliding scale tied to income. Meaning cost adjusts to what patients actually earn. Walk-ins are welcome, no appointment needed. Screening covers the core panel: syphilis, gonorrhea, and chlamydia.
Tests offered
Fees & payment
Contra Costa Health Services in Concord runs on a sliding scale and accepts Medicaid, Medicare, and private insurance, covering gonorrhea, chlamydia, syphilis, herpes, and both rapid and conventional HIV testing. All by appointment, with same-visit treatment for bacterial infections.
Most clinics field a single language at the front desk and leave patients navigating clinical nuance on their own. At Contra Costa Health Services, Russian and Vietnamese are spoken as working languages of care: the conversation about symptoms, treatment options, and follow-up happens without a linguistic gap at its center.
Clinics built around a single specialty tend to send patients elsewhere when a second need surfaces. Contra Costa Health Services holds substance-use treatment and STI care in the same facility, so the two conversations, and the two sets of care decisions, don't have to happen in separate buildings on separate days.
Standard STI panels routinely omit herpes, leaving patients to seek that test through a separate provider. Contra Costa Health Services adds herpes to its lineup alongside the bacterial infections and HIV, so a single appointment in Concord covers a meaningfully wider picture of sexual health.
Languages
English, Russian, Vietnamese
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Jan 2026 · Source: CDC NPIN
Homeless Respite Care and Shelter Clinic in Concord carries federally qualified health center status, which means STI screening fees slide with income. No one is turned away for inability to pay. Walk-ins are welcome for syphilis, gonorrhea, and chlamydia testing.
Tests offered
Fees & payment
Contra Costa County Health Services Dept. in Martinez carries federally qualified health center designation, meaning its sliding-scale fees adjust to income for anyone: insured, uninsured, or paying out of pocket. Walk-ins are welcome for syphilis, gonorrhea, and chlamydia screening without an appointment.
Tests offered
Fees & payment
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 less than a mile away; if you'd rather skip the trip, an at-home kit ships to Walnut Creek, 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 for simplicity & support
$89 & 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 Contra Costa 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.
2401 Shadelands Drive, Walnut Creek, CA 94598
CMS-certified lab Accredited · College of American Pathologists
2700 Ygnacio Valley Rd Suite 170, Walnut Creek, CA 94598
CMS-certified lab Accredited · College of American Pathologists
370 North Wiget Lane, Suite 250, Walnut Creek, CA 94598
CMS-certified lab Accredited · College of American Pathologists
177 La Casa Via, Suite 370, Walnut Creek, CA 94598
CMS-certified lab Accredited · College of American Pathologists
1601 Ygnacio Valley Road, Walnut Creek, CA 94598
CMS-certified lab Accredited · College of American Pathologists
Showing the nearest 5 CLIA-certified labs.
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Walnut Creek. 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, 4,511 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Walnut Creek. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 1,957 offer telehealth.
Jessica Tsuei, MD Telehealth
Internal medicine · 130 La Casa Via, Walnut Creek
Baldomero Deleon, MD
Internal medicine · 130 La Casa Via, Walnut Creek
Yaron Friedman, MD
OB-GYN · 130 La Casa Via, Walnut Creek
Ross Pirkle, MD Telehealth
Internal medicine · 120 La Casa Via, Walnut Creek
Smita Chandra, MD
Internal medicine · 130 Tampico, Walnut Creek
Serena Bhela, MD Telehealth
Internal medicine · 110 Tampico, Walnut Creek
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 Walnut Creek, 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.
John Muir Health
0.7 miClover Pharmacy
0.7 miQD Pharmacy
0.7 miRidgecrest Pharmacy
0.9 mi
1.1 mi Kaiser Permanente Pharmacy No 515
1.2 miShowing the 6 closest pharmacies to Walnut Creek, 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 Walnut Creek, 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.
Visit from $39
Online STI treatment & DoxyPEP: same-day prescriptions to your pharmacy
$0 with most insurance
Free online PrEP & DoxyPEP: HIV prevention, home lab kits, no in-person visit
From $0 insured
Telehealth PrEP & DoxyPEP with at-home testing and ongoing monitoring
Visit from $0 insured
Telehealth STI treatment and sexual-health care, delivered or to your pharmacy
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 Contra Costa County, the county that includes Walnut Creek, compare with California and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~23% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#19 of 58 California counties for chlamydia, a higher rate than 67% of the state
| Infection | Contra Costa County | California | United States |
|---|---|---|---|
| Chlamydia | 427.7 4,940 cases ▼ 13% | 491.1 | 492.2 |
| Gonorrhea | 127.9 1,477 cases ▼ 33% | 190.2 | 179.5 |
| Syphilis (P&S) | 13.2 153 cases ▼ 19% | 16.3 | 15.8 |
| Syphilis (early) | 9 104 cases ▼ 53% | 19.1 | 16 |
| Syphilis (late/unknown) | 22.3 257 cases ▼ 52% | 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 Contra Costa County, chlamydia has risen from 386.3 to 427.7 per 100,000 (11%), gonorrhea has fallen from 177.7 to 127.9 per 100,000 (28%), and P&S syphilis has fallen from 15.5 to 13.2 per 100,000 (15%).
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 Contra Costa County.
Local HIV snapshot
Contra Costa County HIV care continuum (2023)
Contra Costa County recorded 12.7 new HIV diagnoses per 100,000 (2023), against 14.9 statewide and 13.7 nationally. Among Contra Costa County residents living with HIV, 80.2% are in care · 73.4% 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 Contra Costa County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
San Miguel and Pleasant Valley draw a share of Walnut Creek's younger renters, people at a stage of life when relationships are forming, routines are still settling, and STI screening tends to get postponed rather than skipped on purpose. Rent running above two thousand dollars a month means tight monthly budgets, and for the roughly one in three households that rents rather than owns, every discretionary errand gets weighed against cost and convenience. That financial reality shapes how readily someone books a preventive appointment, even one that carries no symptoms and no urgency. Walnut Creek's household picture leans toward established, longer-term residents: more than half of adults are married, homeownership sits comfortably above the majority, and over half of households reach six-figure incomes.
That stability is genuine, but it also means the younger adults in their late teens and twenties moving through the city's rental stock represent a distinct slice of the population, one whose relationship patterns put them squarely in the years when routine testing matters most. Getting to the options listed on this page generally means getting into a car and taking Ygnacio Valley Road or the I-680 corridor out toward neighboring cities. That drive is short enough on a clear afternoon but easy to defer on a packed weekday.
Getting there
Walnut Creek scores 11.28/20 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 94598 snapshot
ZIP-level Census figures for the wider 94598 area around Walnut Creek: a single ZIP can span several communities, so they describe the area, not Walnut Creek alone.
Walnut Creek sits in Contra Costa County, ZIP 94598. Local context that shapes where residents test:
Local landmarks
Neighborhoods & communities
Major routes
Nearby cities & towns
Just outside Walnut Creek? 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 Contra Costa 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 Walnut Creek-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 Walnut Creek 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.
Possibly, Pleasant Hill, CA is close; compare it by distance against Labcorp.
Most plans cover STD screening; a clinic or lab can bill insurance, or you can pay a flat self-pay price.
Yes, community and public clinics test the uninsured, with sliding-scale fees.
Local options test for Chlamydia, Gonorrhea, Syphilis, Herpes, Hepatitis A, Hepatitis B, Hepatitis C, Rapid HIV, a full panel covers the common ones.
About 428 cases per 100,000 residents (2023), below the California average.
In California, people under 18 can consent to confidential STD testing and treatment on their own.
PrEP (HIV-prevention medicine for HIV-negative people) is available locally, any provider can prescribe it.
Roughly 2–6 weeks by test type; a 3-month retest gives full confidence in a negative.
Some HPV types can lead to cervical and other cancers over time, which is why screening and the HPV vaccine matter.
Public health clinics, family-planning clinics, and many school or campus health centers test teens and young adults, often free.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.