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Free & Low-Cost STD Testing Clinics in San Mateo, CA

3 clinics in San Mateo offer STD testing on a free or sliding-scale basis, so what you pay depends on your income, and 8 more within 25 miles are listed further down. All of them also test for HIV. Call ahead to confirm hours and what your visit will cost.

How free and low-cost care works

Most clinics here charge on a sliding scale: what you pay depends on your household income and family size, and the lowest-income patients often pay nothing. Bring a photo ID, proof of income and proof of address to get the lowest fee. How sliding-scale fees work

STD Testing clinics in San Mateo, CA

  1. Planned Parenthood - San Mateo Health Center

    Also tests for HIV

    29 Baywood Ave, San Mateo, CA 94402 · 650-235-7940 · Website

    Services offered
    • Primary Care
    • Men's Health
    • Women's Health
    • Pregnancy
    • LGBTQ Community - Healthcare
    • HIV/AIDS Testing
    • HIV/AIDS Treatment
    • Sexually Transmitted Diseases (STD) Testing
    • Sexually Transmitted Diseases (STD) Treatment
    • Immunizations
    • Blood Pressure Screening
    • Cholesterol Screening/Lipid Panel Test
    • Thyroid Disease Screening
    • Family Planning
    • Health Education/Nutrition
    • Walk-ins Accepted
    Languages spoken
    EnglishSpanishOthers By Translation Service
    Fee structure
    Sliding scale available
    Income eligibility
    All income levels accepted
    Insurance accepted
    Uninsured; underinsured; insurance; Medicaid
    Hours
    Monday - Friday
    Service area
    San Mateo Area

  2. San Mateo Medical Center - Edison Clinic

    Also tests for HIV

    222 W 39th Ave 1st Floor, San Mateo, CA 94403 · 650-573-2385 · Website

    Services offered
    • Women's Health
    • Primary Care
    • Counseling/Mental Health
    • Medical
    • Hepatitis C Testing
    • HIV/AIDS/STD Counseling
    • HIV/AIDS Treatment
    • Sexually Transmitted Diseases (STD) Testing
    • Immunizations
    • Geriatric
    • Adults
    • Telemedicine
    • Sexually Transmitted Diseases (STD) Treatment
    • HIV/AIDS Testing
    • Blood Pressure Screening
    • Cholesterol Screening/Lipid Panel Test
    • Diabetes - Treatment/Management
    • Diabetes - Prevention/Testing
    • Diabetes Screening
    • COVID-19 Testing
    • Visitor restrictions in place
    • COVID-19 Vaccination
    Languages spoken
    English, Spanish
    Fee structure
    Sliding scale of fees based on income
    Income eligibility
    All income levels accepted
    Insurance accepted
    Uninsured; Underinsured; Insurance; Medicare; Medicaid
    Hours
    By appointment only
    Service area
    San Mateo Area

  3. San Mateo Medical Center - Mobile Health Clinic

    Also tests for HIV

    Call for location, San Mateo, CA 94403 · 650-573-2786 · Website

    Services offered
    • Primary Care
    • Counseling/Mental Health
    • Medical
    • Health Education/Nutrition
    • Family Planning
    • Sexually Transmitted Diseases (STD) Testing
    • HIV/AIDS Testing
    • Pregnancy
    • Immunizations
    • Hepatitis C Testing
    • Diabetes Screening
    • Blood Pressure Screening
    • Urgent Care
    • Adults
    • Cholesterol Screening/Lipid Panel Test
    • Social Services
    Languages spoken
    English, Spanish
    Fee structure
    Sliding scale. No one turned away due to inability to pay
    Income eligibility
    All income levels accepted
    Insurance accepted
    Uninsured; Underinsured; Insurance; Medicare; Medicaid
    Hours
    Call for hours
    Service area
    San Mateo Area Call for locations

STD Testing near San Mateo

Other free and low-cost clinics offering STD testing within 25 miles, nearest first.

  1. San Mateo Medical Center - Fair Oaks Health Center Redwood City, CA · 6.7 mi · also tests for HIV
  2. Planned Parenthood - Redwood City Health Center Redwood City, CA · 7.1 mi · also tests for HIV
  3. San Mateo Medical Center - Coastside Clinic Half Moon Bay, CA · 8.6 mi
  4. Arbor Free Clinic Menlo Park, CA · 9.4 mi · also tests for HIV
  5. VA Palo Alto Health Care - Palo Alto VA Medical Center-Menlo Park Menlo Park, CA · 9.4 mi · also tests for HIV
  6. Planned Parenthood - South San Francisco Health Center South San Francisco, CA · 10.0 mi · also tests for HIV
  7. San Mateo Medical Center - South San Francisco Clinic South San Francisco, CA · 10.1 mi · also tests for HIV
  8. Ravenswood Family Health Center East Palo Alto, CA · 10.5 mi

All free and low-cost clinics in San Mateo

Frequently asked questions

Can I get tested for STDs without insurance?
Yes. The clinics listed here serve uninsured patients, and most charge on a sliding scale based on your household income, so testing may be free or low-cost depending on what you earn. Each listing shows the clinic's fee structure; call ahead to confirm what testing costs there.
Do these clinics also test for HIV?
Many do. Clinics on this page that list HIV testing among their services are marked "Also tests for HIV". If HIV testing matters to you, confirm it when you call.
Can a teenager get tested without a parent?
In every state and Washington, DC, minors can consent to STI testing and treatment themselves, according to the Guttmacher Institute. Eight states set a minimum age (12 or 14, for example), and some states allow or require a provider to notify parents in certain situations, such as a positive HIV test. Ask the clinic about its confidentiality policy when you call.
What if there's no clinic close enough?
The CDC's GetTested locator (gettested.cdc.gov) lists HIV, STD and hepatitis testing sites across the country, many of them free or low-cost. Your county health department is also worth calling: many run their own STD clinics.