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STD Testing in Cosmopolis, WA: Free, Same-Day & Confidential

Chlamydia cases in Grays Harbor County run about 50% lower than the US average. Whether you need testing after a possible exposure or as part of routine care in Cosmopolis, Washington, your options vary in convenience and medical support. Once you review your choices below, you can decide whether to visit a clinic or use an at-home kit.

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  • Clinics, labs & at-home kits compared
  • Free & low-cost options included
  • Backed by CDC, CMS & Census data
  • Editorially reviewed

Available testing centers

STD testing near Cosmopolis, WA

6 testing options are listed for Cosmopolis, WA. The nearest, Sea Mar Community Health Centers, is about 3.5 miles away. Compare community and public clinics, private labs, and at-home kits below.

How to read these listings

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.

Community health center 3.5 miles

Sea Mar Community Health Centers

Where these reviews come from

Review sources

  • Google99
  • EasySTD5
Rated 2.1 out of 5 from 104 reviews

Sea Mar Community Health Centers in Aberdeen tests for HIV, syphilis, gonorrhea, chlamydia, hepatitis A, B, and C, and TB on a sliding scale open to all, Medicaid and Medicare accepted, with same-visit treatment for bacterial STIs; appointments are required, and services are delivered in Spanish.

Read full overview Show less

Hepatitis A, B, and C Testing Alongside the Core Panel

Sea Mar tests for hepatitis A, B, and C in addition to HIV, syphilis, gonorrhea, and chlamydia. Catching a hepatitis infection at the same visit means a treatment plan, or vaccination, starts without scheduling a separate appointment at a different facility.

DoxyPEP Prescribed Here, No Secondary Appointment

Without DoxyPEP access at a testing site, patients who qualify leave with a gap between exposure and protection. Often waiting days or weeks for a prescribing provider. Sea Mar closes that gap: DoxyPEP is prescribed on-site, so post-exposure antibiotic prevention doesn't stall while another appointment gets scheduled.

Spanish-Language Care Is an Operational Baseline

Spanish-language services at Sea Mar Aberdeen are a built-in clinical capacity: consultations, counseling, and treatment discussions conducted directly in Spanish. For patients whose medical vocabulary, comfort with risk disclosure, or grasp of dosing instructions depends on Spanish, that operational fact shapes every step of care.

Tests & treats Sliding-scale DoxyPEP
Address
1813 Sumner Avenue, Aberdeen, WA 98520
Booking
Appointment required
Opening hours
  • Monday 8:00 AM – 5:00 PM
  • Tuesday 8:00 AM – 5:00 PM
  • Wednesday 8:00 AM – 5:00 PM
  • Thursday 8:00 AM – 5:00 PM
  • Friday 8:00 AM – 5:00 PM
  • Saturday Closed
  • Sunday Closed
Website
Highest rated 3.6 miles

Grays Harbor County Public Health and Social Services Department

Where these reviews come from

Review sources

  • Google14
  • EasySTD2
Rated 3.6 out of 5 from 16 reviews

Grays Harbor County Public Health and Social Services Department in Aberdeen tests for gonorrhea, chlamydia, syphilis, and HIV on a sliding-scale fee that applies across all payers: Medicaid, Medicare, and private insurance are also accepted. Appointments are required.

Tests & treats Sliding-scale
Address
2109 Sumner Avenue, Aberdeen, WA 98520
Booking
Appointment required
Opening hours
  • Monday 8:00 AM – 4:30 PM
  • Tuesday 8:00 AM – 4:30 PM
  • Wednesday 8:00 AM – 4:30 PM
  • Thursday 8:00 AM – 4:30 PM
  • Friday 8:00 AM – 4:30 PM
  • Saturday Closed
  • Sunday Closed
Website
Premium Partner

Labcorp

Results in 1–2 days
Where these reviews come from

Review sources

  • Google25
  • EasySTD4
Rated 3.4 out of 5 from 29 reviews
Address
1020 Anderson Drive, Aberdeen, WA 98520 3.9 miles away
Opening hours
  • Monday 7:30 AM – 4:30 PM
  • Tuesday 7:30 AM – 4:30 PM
  • Wednesday 7:30 AM – 4:30 PM
  • Thursday 7:30 AM – 4:30 PM
  • Friday 7:30 AM – 4:30 PM
  • Saturday Closed
  • Sunday Closed
  • Chlamydia
  • Gonorrhea
  • Syphilis
  • Herpes
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Rapid HIV
  • Conventional HIV
See tests & prices

Today's offer: $10 off any test panel, applied automatically at checkout.

Premium Partner

Labcorp

Results in 1–2 days
Where these reviews come from

Review sources

  • Google28
  • EasySTD4
Rated 3.5 out of 5 from 32 reviews
Address
404 Black Hills Lane Southwest, Olympia, WA 98502 39.3 miles away
Opening hours
  • Monday 8:30 AM – 4:30 PM
  • Tuesday 8:30 AM – 4:30 PM
  • Wednesday 8:30 AM – 4:30 PM
  • Thursday 8:30 AM – 4:30 PM
  • Friday 8:30 AM – 4:30 PM
  • Saturday Closed
  • Sunday Closed
  • Chlamydia
  • Gonorrhea
  • Syphilis
  • Herpes
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Rapid HIV
  • Conventional HIV
See tests & prices

Today's offer: $10 off any test panel, applied automatically at checkout.

Premium Partner

Quest Diagnostics

Most reviewed Results in 1–2 days
Where these reviews come from

Review sources

  • Google122
  • EasySTD5
Rated 3.3 out of 5 from 127 reviews
Address
315 Cooper Point Road Northwest, Olympia, WA 98502 39.7 miles away
Opening hours
  • Monday 7:00 AM – 4:00 PM
  • Tuesday 7:00 AM – 4:00 PM
  • Wednesday 7:00 AM – 4:00 PM
  • Thursday 7:00 AM – 4:00 PM
  • Friday 7:00 AM – 4:00 PM
  • Saturday Closed
  • Sunday Closed
  • Chlamydia
  • Gonorrhea
  • Syphilis
  • Herpes
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Rapid HIV
  • Conventional HIV
See tests & prices

Today's offer: $10 off any test panel, applied automatically at checkout.

Premium Partner

Labcorp

Results in 1–2 days
Where these reviews come from

Review sources

  • Google38
  • EasySTD5
Rated 3 out of 5 from 43 reviews
Address
1620 Southwest Cooper Point Road, Olympia, WA 98502 39.8 miles away
Opening hours
  • Monday 8:00 AM – 5:00 PM
  • Tuesday 8:00 AM – 5:00 PM
  • Wednesday 8:00 AM – 5:00 PM
  • Thursday 8:00 AM – 5:00 PM
  • Friday 8:00 AM – 5:00 PM
  • Saturday Closed
  • Sunday Closed
  • Chlamydia
  • Gonorrhea
  • Syphilis
  • Herpes
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Rapid HIV
  • Conventional HIV
See tests & prices

Today's offer: $10 off any test panel, applied automatically at checkout.

Free tool · not a clinic

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.

Detection windows for every 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.

Find your match in 10 seconds

What matters most to you?

What will it cost? Estimate your STD test

Typical out-of-pocket ranges by option, actual cost depends on which tests you need.

  • Public / community clinic

    Free HIV testing is common

    $0–$25

  • Private lab (self-pay)

    Never billed to insurance

    $24–$200

  • At-home kit

    Mailed to your door, private

    From $49

  • Doctor / urgent care

    Often $0 preventive with insurance

    $0–$50 copay

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Rate what mattered to you, no account needed. Reviews are moderated before publishing.

Privacy & discretion
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Staff & comfort
Value for cost

Every other option

More ways to get tested in Cosmopolis, WA

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

At-home STD testing in Cosmopolis, WA

The nearest testing center is about 4 miles away; if you'd rather skip the trip, an at-home kit ships to Cosmopolis, 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.

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

Other CLIA-certified labs near Cosmopolis, WA

Beyond the public testing sites above, these federally certified (CLIA) labs serve Grays Harbor 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.

  • Providence Centralia Hospital

    954 Anderson Suite 102, Aberdeen, WA 98520

    CMS-certified lab Accredited · Joint Commission

    • Full STD panel
    Call Directions

  • Harbor Regional Health Community Hospital

    915 Anderson Drive, Aberdeen, WA 98520

    CMS-certified lab

    • STD testing
    Call Directions

  • Cellnetix Pathology

    915 Anderson Drive, Aberdeen, WA 98520

    CMS-certified lab

    • STD testing
    Call Directions

Showing the nearest 3 CLIA-certified labs.

Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Cosmopolis. 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

Clinicians near Cosmopolis, WA who may help arrange STD testing

Beyond dedicated clinics, 41 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Cosmopolis. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 3 offer telehealth.

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

Pharmacies near Cosmopolis, WA

No pharmacy near Cosmopolis, WA 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.

Showing the 6 closest pharmacies to Cosmopolis, WA.

Directory records identify nearby pharmacies. Service, stock, price, and hours information is shown only when supported by current location-specific evidence.

Prevention & treatment

PrEP, prevention & online treatment

Testing is one step. For residents of Cosmopolis, 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.

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

STDs & HIV in Grays Harbor County: the local picture

How reported STI rates in Grays Harbor County, the county that includes Cosmopolis, compare with Washington and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~25% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.

#25 of 39 Washington counties for chlamydia, a higher rate than 36% of the state

Reported STD rates per 100,000, Grays Harbor County vs Washington vs U.S.

Grays Harbor County Washington U.S. ▲▼ = Grays Harbor County vs the state average
Infection Grays Harbor County Washington United States
Chlamydia
244.5 189 cases ▼ 31%
354.4 492.2
Gonorrhea
69.9 54 cases ▼ 46%
129.6 179.5
Syphilis (P&S)
9.1 7 cases ▼ 57%
21.3 15.8
Syphilis (early)
6.5 5 cases ▼ 48%
12.5 16
Syphilis (late/unknown)
11.6 9 cases ▼ 49%
22.9 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.

Reported STD rates in Grays Harbor County over time (per 100,000)

Chlamydia ▲ 9% vs 2022
Chlamydia Gonorrhea Syphilis (P&S)
0 175 350 2020202120222023

Between 2020 and 2023 in Grays Harbor County, chlamydia has fallen from 289.5 to 244.5 per 100,000 (16%), gonorrhea has fallen from 95.2 to 69.9 per 100,000 (27%), and P&S syphilis has fallen from 17.2 to 9.1 per 100,000 (47%).

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 Cosmopolis, WA

Adults uninsured
11.8%
No routine checkup
32.2%
Binge drinking
16.6%
Frequent mental distress
19.6%
Depression
27%
Below poverty line
18.2%
Primary-care ratio
2,744 : 1
Grays Harbor County
  • Primary-care shortage score 17 / 26
  • Medically Underserved Area · IMU 50.1
  • Social Vulnerability Index · 82nd 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 Grays Harbor County.

Local HIV snapshot

HIV in Grays Harbor County (2023)

People living with HIV
154 / 100k
PrEP users / 100k
127

Grays Harbor County HIV care continuum (2023)

Among Grays Harbor County residents living with HIV, 81% are in care · 76% 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 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.

Pregnant or planning to be?

Congenital syphilis is the fastest-rising STI: what to test, and when

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 Grays Harbor County tests for syphilis.

Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).

Reviewed & Fact-Checked · Updated

Reviewed by EasySTD Editorial Team (opens in a new tab)

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 → (opens in a new tab)

18 Sources

Local resources & officials

Data & references

Local context

About Cosmopolis, WA

At the Cosmopolis Treaty Grounds, the history of who has settled and stayed here is literally written into the ground, and the city's present reflects that same rootedness. Nearly three-quarters of households own their homes, most are married, and average household sizes run close to three people, which means health decisions here often get made as a family rather than alone. That domestic stability shapes how people think about preventive care: it tends to get folded into a shared calendar, weighed against competing household costs.

Unemployment is meaningfully elevated, and labor-force participation runs below typical levels, so for a real share of residents the calculus around scheduling and cost genuinely bites. People in their late teens and twenties who live here face the same risk profile as that group anywhere, without the convenience of dense nearby infrastructure. Grays Harbor County's STI figures reflect a community where staying current matters not as an abstract health principle, but because gaps in routine screening have a way of going unnoticed longer in places where appointments require planning, time off, and a full tank of gas.

Getting there

How residents reach STD testing in Cosmopolis, WA

Walkability 12.48 / 20 · Above average

Cosmopolis scores 12.48/20 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.

Map of 6 STD & STI testing locations in Cosmopolis, Washington, EasySTD

ZIP 98520 snapshot

Residents
25,072
Median age
38.4
Median income
$59,744

ZIP-level Census figures for the wider 98520 area around Cosmopolis: a single ZIP can span several communities, so they describe the area, not Cosmopolis alone.

Cosmopolis sits in Grays Harbor County, ZIP 98520. Local context that shapes where residents test:

Local landmarks

  • Opal Art Glass
  • Mill Creek Park
  • Cosmopolis Treaty Grounds
  • DeWitt Park
  • Makarenko Park
  • Basich Trailway

Neighborhoods & communities

  • South Aberdeen
  • Aberdeen

Major routes

  • US 101 (1st Street)
  • US 12 (Olympic Highway)

Reference

STD testing in Cosmopolis, WA: screening, costs & privacy

Everything to know before you test in Grays Harbor County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Washington law. If you have symptoms right now, our confidential symptom checker maps them to the tests worth considering.

Who should test, and when

CDC screening schedule + each infection's detection window

Who should get tested, and how often

Based on current CDC screening recommendations.

GroupTestsHow 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 Cosmopolis-area provider.

InfectionEarliest reliable testSample
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
Browse all STD & STI guides

What each STD test costs

Medicare reference prices per lab test, a benchmark before you pay out of pocket

These are the federal Medicare reference prices for processing each lab test. Public clinics and the community health centers serving Cosmopolis 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.

TestReference priceCPT / 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.

Confidentiality & consent in Washington

Minor consent and partner treatment (EPT) under state law, plus how to test privately

Two things that actually depend on Washington 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).

Can a minor consent on their own?

In Washington, a minor of any age can consent to confidential STI testing and treatment on their own, no parental permission is required.

Can my partner be treated too? (EPT)

Washington 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 Washington

Source: Guttmacher Institute, Minors' Access to STI Services; CDC, Legal Status of Expedited Partner Therapy. General information, not legal advice.

Good to Know

STD testing FAQs for Cosmopolis, WA

Answers to the questions people ask most before getting tested.

Can I get tested near Aberdeen, WA instead?

Possibly, Aberdeen, WA is close; compare it by distance against Sea Mar Community Health Centers.

Does Medicaid cover STD testing?

Medicaid generally covers STD testing, and public clinics test for free regardless of coverage.

Can I get tested in Cosmopolis, WA without insurance?

Yes, community and public clinics test the uninsured, with sliding-scale fees.

Which tests are offered near Cosmopolis, WA?

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 Grays Harbor County?

About 245 cases per 100,000 residents (2023), below the Washington average.

Can someone under 18 get tested in Washington without a parent?

In Washington, people under 18 can consent to confidential STD testing and treatment on their own.

Should both partners test for chlamydia?

Yes, partners should test and be treated together to avoid passing it back and forth.

How do at-home STD kits work near Cosmopolis, WA?

You self-collect a sample at home, mail it in, and view results online, no clinic visit needed.

Is drug-resistant gonorrhea a concern?

Resistance is rising, which is why the CDC advises a particular treatment; don't self-treat, get tested and treated correctly.

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.

Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.