Chlamydia cases in Marin County run about 40% lower than the US average. To know your status before starting a new relationship or as part of ongoing care in Lucas Valley-Marinwood, California, weigh the trade-offs: public clinics save money, private labs offer faster turnarounds, and at-home kits provide convenience at the cost of an in-person visit.
Available testing centers
9 testing options are listed for Lucas Valley-Marinwood, CA. The nearest, Quest Diagnostics, is about 2.7 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.
MCHWC Women's Health Clinic in San Rafael carries federally qualified health center standing, which means STI screening (syphilis, gonorrhea, and chlamydia) is priced on a sliding scale tied to income, so no one pays a fixed rate regardless of their financial situation.
Tests offered
Fees & payment
Marin Community Clinic in Novato carries federal qualification as a health center, which translates directly into a sliding-scale fee structure tied to household income. Walk-ins are welcome for STI screening (syphilis, gonorrhea, and chlamydia) with no single fixed price standing between patients and testing.
Tests offered
Fees & payment
A public safety-net federally qualified health center about 3 miles from Lucas Valley-Marinwood. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.
Tests offered
Fees & payment
MCHWC Admin - Suite 360, serving San Rafael, earned its federal qualification by tying fees directly to each patient's income. No one is turned away for inability to pay. Walk in for sliding-scale syphilis, gonorrhea, and chlamydia screening without an appointment.
Tests offered
Fees & payment
Marin Community Clinics in Novato tests for HIV, syphilis, gonorrhea, chlamydia, herpes, and hepatitis B and C on a sliding-scale fee with free HIV and STI testing available; bacterial infections are treated the same visit, and an appointment is required.
The no-fee structure at Marin Community Clinics is underwritten by a combination of public funding streams (Ryan White, Medicaid, Medicare, and insurance billing) so staff carry a full clinical load: counseling, prescribing PrEP and PEP, administering hepatitis A, hepatitis B, and HPV vaccines, and managing HIV treatment, none of it contingent on what a patient pays.
Services at Marin Community Clinics are delivered in Spanish, which means test results, PrEP counseling, and treatment instructions are communicated directly. Reducing the chance that a dosing detail or follow-up step gets lost in translation.
For someone paying out of pocket or without a primary care relationship, the Ryan White funding at Marin Community Clinics means HIV care doesn't stop at a positive test. The clinic prescribes and monitors antiretroviral treatment on an ongoing basis, keeping everything within the same practice.
Languages
English, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Mar 2026 · Source: CDC NPIN + HRSA
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 3 miles away; if you'd rather skip the trip, an at-home kit ships to Lucas Valley-Marinwood, 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 range: couples & full panels
$79 & up
Best value: single tests
$49 & 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 Marin 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.
99 Montecillo Road, San Rafael, CA 94903
CMS-certified lab Accredited · College of American Pathologists
99 Montecillo Road, 4th Floor, San Rafael, CA 94903
CMS-certified lab
750 Las Gallinas Avenue, Suite 205, San Rafael, CA 94903
CMS-certified lab
5000 Civic Center Drive, San Rafael, CA 94903
CMS-certified lab
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Lucas Valley-Marinwood. 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, 3,708 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Lucas Valley-Marinwood. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 1,519 offer telehealth.
Melissa Crochet, MD
OB-GYN · 1650 Los Gamos Drive, San Rafael
Chuah Cha, DO Telehealth
Family medicine · 121 Paul Drive, San Rafael
Angelique Vitug, MD Telehealth
Family medicine · 99 Montecillo Road, San Rafael
Lan Jin, MD
Internal medicine · 820 Las Gallinas Avenue, San Rafael
Erik Schten, MD
Internal medicine · 750 Las Gallinas Avenue, San Rafael
Patricia Bauman, MD Telehealth
Internal medicine · 750 Las Gallinas Avenue, San Rafael
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 Lucas Valley-Marinwood, 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.
Marin Wellness Pharmacy
2.6 mi
2.7 mi Kaiser FDN HSP Inp Discharge Phy 39a 394
2.8 mi
2.8 mi Showing the 4 closest pharmacies to Lucas Valley-Marinwood, 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 Lucas Valley-Marinwood, 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 $0 insured
Telehealth STI treatment and sexual-health care, delivered or to your pharmacy
$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
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 Marin County, the county that includes Lucas Valley-Marinwood, compare with California and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~19% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#38 of 58 California counties for chlamydia, a higher rate than 34% of the state
| Infection | Marin County | California | United States |
|---|---|---|---|
| Chlamydia | 294.4 749 cases ▼ 40% | 491.1 | 492.2 |
| Gonorrhea | 97.1 247 cases ▼ 49% | 190.2 | 179.5 |
| Syphilis (P&S) | 5.1 13 cases ▼ 69% | 16.3 | 15.8 |
| Syphilis (early) | 7.1 18 cases ▼ 63% | 19.1 | 16 |
| Syphilis (late/unknown) | 12.6 32 cases ▼ 73% | 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 Marin County, chlamydia has risen from 214.2 to 294.4 per 100,000 (37%), gonorrhea has risen from 50.7 to 97.1 per 100,000 (92%), and P&S syphilis has fallen from 6.9 to 5.1 per 100,000 (26%).
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 Marin County.
Local HIV snapshot
Marin County HIV care continuum (2023)
Marin County recorded 10.8 new HIV diagnoses per 100,000 (2023), against 14.9 statewide and 13.7 nationally. Among Marin County residents living with HIV, 74.8% are in care · 71% 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 Marin County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
Ownership runs deep in Lucas Valley-Marinwood, nearly nine in ten households hold title to their homes, a profile that skews toward settled families with children rather than the transient twenties crowd that typically clusters in rental-heavy zip codes. That matters for STI screening because the younger adults who do live here (and they exist, tucked into Terra Linda and along the corridors feeding US 101) often lack the anonymity that renters in denser cities take for granted. Testing in a community where most neighbors own and most households include multiple family members can feel more visible, which makes low-barrier, discreet options genuinely valuable rather than merely convenient. The workforce picture adds another layer.
With a majority of adults employed and a high share of households well into six-figure incomes, the obstacle here is rarely cost alone. It's schedule and social ease. People in their late teens and twenties forming new relationships still need access that doesn't require engineering a half-day off or explaining an errand to a carpool.
Getting there
Lucas Valley-Marinwood scores 11.83/20 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 94903 snapshot
ZIP-level Census figures for the wider 94903 area around Lucas Valley-Marinwood: a single ZIP can span several communities, so they describe the area, not Lucas Valley-Marinwood alone.
Lucas Valley-Marinwood sits in Marin County, ZIP 94903. Local context that shapes where residents test:
Local landmarks
Neighborhoods & communities
Major routes
Nearby cities & towns
Just outside Lucas Valley-Marinwood? 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 Marin 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 Lucas Valley-Marinwood-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 Lucas Valley-Marinwood 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.
Yes, several local labs offer same-day walk-in testing; best to call first.
Usually yes, it can be billed to insurance, or paid out of pocket at a flat rate.
Marin Community Clinics, about 3.9 mi away, provides free testing.
A full panel typically covers chlamydia, gonorrhea, syphilis, HIV, and hepatitis B and C.
Marin County reported ~294 chlamydia cases per 100,000 in 2023, below the California average.
Yes, PrEP, a daily pill that helps prevent HIV in HIV-negative people, is available in the area.
In California, people under 18 can consent to confidential STD testing and treatment on their own.
A kit ships to your address; you collect a urine, swab, or finger-stick sample, mail it to the lab, and get results online in a few days.
Untreated chlamydia can lead to pelvic inflammatory disease and fertility problems, caught early, it's cured with antibiotics.
A urine test or swab finds trichomoniasis, one of the most treatable STIs.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.