Syphilis reports in Lake County run about 22% higher than the national average. If you're in Cobb, California and want STI testing before starting a new relationship or as part of ongoing care, you can weigh local clinics that may bill insurance or offer sliding-scale fees against private labs that typically offer a flat self-pay price. Options in Cobb, California are listed below.
Available testing centers
6 testing options are listed for Cobb, CA. The nearest, Adventist Health Clearlake Hospital, is about 8.3 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.
A public safety-net rural health clinic about 8 miles from Cobb. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.
Tests offered
Planned Parenthood Northern California in Clearlake requires an appointment and covers the full bacterial and viral panel (gonorrhea, chlamydia, syphilis, hepatitis B and C, herpes, and rapid HIV) on a sliding-scale fee, with same-visit treatment for bacterial infections and Spanish spoken on-site.
Most clinics route non-English speakers through on-call interpretation, introducing lag and awkwardness into sensitive conversations. At Planned Parenthood Northern California in Clearlake, Spanish is spoken directly by staff, and interpretation services extend to other languages, so the exchange is direct, not mediated.
Many family planning providers require parental consent or notification for patients under 18, which stops younger people from seeking care at all. As a Title X clinic, Planned Parenthood Northern California in Clearlake provides legally confidential services to minors. The record stays between patient and provider.
Planned Parenthood Northern California in Clearlake prescribes both PrEP and PEP directly, meaning ongoing HIV prevention medication is managed at the same clinic handling your testing. No separate infectious disease referral needed to get started or stay on treatment.
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
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 8 miles away; if you'd rather skip the trip, an at-home kit ships to Cobb, 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 for simplicity & support
$89 & 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 Lake 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.
15145 Lakeshore Drive, Clearlake, CA 95422
CMS-certified lab
15630 18th Avenue, Clearlake, CA 95422
CMS-certified lab Accredited · Joint Commission
14709 Lakeshore Drive, Clearlake, CA 95422
CMS-certified lab
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Cobb. 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, 425 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Cobb. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 138 offer telehealth.
Paolo Andreassi, MD Telehealth
Urology · 18990 Coyote Valley Road, Hidden Valley Lake
Cara Eberhardt, MD
Family medicine · 15322 Lakeshore Drive, Clearlake
Estrelania Williams, MD
OB-GYN · 15630 18th Avenue, Clearlake
Paul Farley, MD Telehealth
Family medicine · 5685 Main Street, Kelseyville
Cassandra Heller, DO
Family medicine · 1381 University Street, Healdsburg
Patricia Kennel, MD Telehealth
OB-GYN · 8207 West Dry Creek Road, Healdsburg
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 Cobb, 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.
8.6 mi Moran's Pharmacy
9.4 miLake Pharmacy
9.4 miShowing the 3 closest pharmacies to Cobb, 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 Cobb, 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 Lake County, the county that includes Cobb, compare with California and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~10% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#28 of 58 California counties for chlamydia, a higher rate than 52% of the state
| Infection | Lake County | California | United States |
|---|---|---|---|
| Chlamydia | 340.3 231 cases ▼ 31% | 491.1 | 492.2 |
| Gonorrhea | 123.8 84 cases ▼ 35% | 190.2 | 179.5 |
| Syphilis (P&S) | 19.2 13 cases ▲ 18% | 16.3 | 15.8 |
| Syphilis (early) | 4.4 3 cases ▼ 77% | 19.1 | 16 |
| Syphilis (late/unknown) | 36.8 25 cases ▼ 21% | 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 Lake County, chlamydia has fallen from 359.4 to 340.3 per 100,000 (5%), gonorrhea has fallen from 164.3 to 123.8 per 100,000 (25%), and P&S syphilis has fallen from 36.7 to 19.2 per 100,000 (48%).
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 Lake County.
Local HIV snapshot
Lake County HIV care continuum (2023)
Lake County recorded 12.2 new HIV diagnoses per 100,000 (2023), against 14.9 statewide and 13.7 nationally. Among Lake County residents living with HIV, 87.7% are in care · 81.2% 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 Lake County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
Cobb Mountain frames nearly every view from this small Lake County community, and the households spread across its slopes carry a character that shapes how health decisions get made. Most residents here own their homes, and nearly two-thirds of adults are married, which means health choices often ripple through a partnership rather than landing on one person alone. Smaller average households and a majority of working-age adults outside the formal labor force suggest a community with retired and semi-retired residents, people managing land or property, and others whose schedules run on rhythms quite different from a nine-to-five.
That household profile matters when thinking about younger adults, the people in their late teens and twenties who are statistically most likely to encounter a new STI and least likely to have a regular clinical relationship prompting them to test. With a comparatively modest share of residents in those years, the question of access still falls squarely on convenience: the options listed on this page serve a rural stretch of Lake County where reaching any clinic means committing to a drive, and about one in five households earns enough to absorb incidental costs without much thought, while the rest may weigh the trip more carefully.
Lake County's STI figures are visible elsewhere on this page, and they reflect conditions across a county where routine screening is genuinely harder to fit in than it would be closer to a regional center. For anyone living near Boggs Mountain or further up toward Burned Mountain, knowing what's current rather than approximate is the practical value of keeping screening recent.
Getting there
At 9.61/20 on the EPA walkability index, day-to-day errands in Cobb generally mean driving: plan on a car or rideshare to reach a clinic, and check each listing's hours and phone before you go.
Source: EPA National Walkability Index 2021.
ZIP 95426 snapshot
ZIP-level Census figures for the wider 95426 area around Cobb: a single ZIP can span several communities, so they describe the area, not Cobb alone.
Cobb sits in Lake County, ZIP 95426. Local context that shapes where residents test:
Local landmarks
Nearby cities & towns
Just outside Cobb? 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 Lake 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 Cobb-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 Cobb 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.
Closest is Adventist Health Clearlake Hospital (8.3 mi), or order an at-home kit to 95426.
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 340 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.
There's no cure, but antivirals manage symptoms well and reduce transmission.
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.