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STD Testing in Modesto, California

10 STD and HIV testing locations in Modesto, including 1 that list free testing.

Verify with the clinic before visiting. Hours, services, fees and appointment rules change. Call ahead to confirm. This directory is for information only and is not medical advice. In an emergency, call 911.

Help Is Hope Foundation

140 Calaveras Ave, Modesto, CA 95354 · (209) 241-1625
Free testing listedHIVRapid HIVHepatitis C
Hours not listed

Golden Valley Health Centers – Modesto Tenaya Center

2101 Tenaya Dr, Modesto, CA 95354 · (209) 576-6766
Sliding scaleChlamydiaGonorrheaSyphilisHerpesHIVHepatitis C
Mon 8:00am – 5:00pm; Tue 8:00am – 5:00pm; Wed 8:00am – 5:00pm; Thu 8:00am – 5:00pm; Fri 8:00am – 5:00pm; Sat 8:00am – 5:00pm

Golden Valley Health Centers – Modesto Florida Avenue Suites Center

1510 Florida Ave, Modesto, CA 95350 · (209) 574-1030
Sliding scaleChlamydiaGonorrheaSyphilisHerpesHIVHepatitis C
Mon 8:00am – 5:30pm; Tue 8:00am – 5:30pm; Wed 8:00am – 5:30pm; Thu 8:00am – 5:30pm; Fri 8:00am – 5:30pm

Golden Valley Health Centers – Modesto Coolidge

208 W Coolidge Ave, Modesto, CA 95350 · (209) 722-4842
Sliding scaleChlamydiaGonorrheaSyphilisHerpesHIVHepatitis C
Mon 8:00am – 5:30pm; Tue 8:00am – 5:30pm; Wed 8:00am – 5:30pm; Thu 8:00am – 5:30pm; Fri 8:00am – 5:30pm

Golden Valley Health Centers – Modesto Robertson Road

1121 Hammond St, Modesto, CA 95351 · (209) 722-4842
Sliding scaleChlamydiaGonorrheaSyphilisHerpesHIVHepatitis C
Mon 8:00am – 5:00pm; Tue 8:00am – 5:00pm; Wed 8:00am – 5:00pm; Thu 8:00am – 5:00pm; Fri 8:00am – 5:00pm

Golden Valley Health Centers – Modesto - McHenry

1524 McHenry Ave, Ste 300, Modesto, CA 95350 · (209) 492-7140
Sliding scaleChlamydiaGonorrheaSyphilisHerpesHIVHepatitis C
Mon 8:00am – 5:30pm; Tue 8:00am – 5:30pm; Wed 8:00am – 5:30pm; Thu 8:00am – 5:30pm; Fri 8:00am – 5:30pm

Golden Valley Health Centers – Modesto Paradise

401 Paradise Rd, Ste E, Modesto, CA 95351 · (209) 576-4200
Sliding scaleChlamydiaGonorrheaSyphilisHIVRapid HIV
Mon 8:00am – 5:00pm; Tue 8:00am – 5:00pm; Wed 8:00am – 5:00pm; Thu 8:00am – 5:00pm; Fri 8:00am – 5:00pm

Planned Parenthood Mar Monte – Modesto Health Center

1431 McHenry Ave, Ste 100, Modesto, CA 95350 · (209) 579-2300
Sliding scaleChlamydiaGonorrheaSyphilisHerpesHIVRapid HIV
Mon 8:30am – 5:00pm; Tue 8:30am – 5:00pm; Wed 8:30am – 5:00pm; Thu 8:30am – 5:00pm; Fri 8:30am – 5:00pm

Stanislaus Health Services Agency – Family and Pediatric Health Center

830 Scenic Dr, Ste A, Modesto, CA 95350 · (209) 558-8400
Sliding scaleChlamydiaGonorrheaSyphilisHerpesHIVRapid HIVHepatitis CHepatitis B
Hours not listed

Stanislaus Health Services Agency – McHenry Medical Office

1209 Woodrow Ave, Ste B-10, Modesto, CA 95350 · (209) 558-5312
Sliding scaleChlamydiaGonorrheaSyphilisHIVRapid HIV
Hours not listed

Community health centers in Modesto

These federally funded health centers (HRSA) offer primary care, usually on a sliding fee scale. Their STD testing services are not confirmed in our data. Call to confirm STD testing.

Administrative Site

917 Oakdale Rd Trlr A, Modesto, CA 95355 · (209) 558-7163
County Of Stanislaus · Community health center (HRSA). Call to confirm STD testing.

Central Valley PACE

2401 E Orangeburg Ave, Suite 330, Modesto, CA 95355 · (209) 373-2800
Golden Valley Health Centers · Community health center (HRSA). Call to confirm STD testing.

GVHC - Hanshaw

1717 Las Vegas St, Modesto, CA 95358 · (209) 579-4200
Golden Valley Health Centers · Community health center (HRSA). Call to confirm STD testing.

GVHC - Hanshaw Dental

1717 Las Vegas St STE A, Modesto, CA 95358 · (209) 576-4200
Golden Valley Health Centers · Community health center (HRSA). Call to confirm STD testing.

GVHC - Modesto Mission Health Center

209 Kerr Ave, Modesto, CA 95354 · (209) 383-1848
Golden Valley Health Centers · Community health center (HRSA). Call to confirm STD testing.

GVHC - West Modesto

1114 6th St, Modesto, CA 95354 · (209) 576-2845
Golden Valley Health Centers · Community health center (HRSA). Call to confirm STD testing.

GVHC - West Modesto Dental

1008 6th St, Suite A, Modesto, CA 95354 · (209) 722-4842
Golden Valley Health Centers · Community health center (HRSA). Call to confirm STD testing.

Golden Valley Health Centers - Modesto Stoddard Bldg 16

5913 Stoddard Rd, Modesto, CA 95356 · (209) 385-5493
Golden Valley Health Centers · Community health center (HRSA). Call to confirm STD testing.

Modesto Orangeburg Ave Center

2116 E Orangeburg Ave, Modesto, CA 95355 · (209) 850-3500
Livingston Community Health · Community health center (HRSA). Call to confirm STD testing.

Frequently asked questions

Where can I get STD testing in Modesto, CA?

This page lists 10 STD/HIV testing locations in Modesto, CA from the CDC NPIN directory, plus 9 community health centers that may offer testing. Call ahead to confirm services and hours.

Is there free STD testing in Modesto, CA?

1 of the 10 listed locations say they offer free STI and/or HIV testing. Eligibility can depend on age, income or residency. Many health departments and community health centers also use sliding-scale fees.

Do I need an appointment?

2 locations here say no appointment is required. Others may need an appointment. Call before you go.

Can I get a rapid HIV test?

5 locations here list rapid HIV testing, which usually gives results during the same visit.

Which tests should I ask for?

Common tests include chlamydia, gonorrhea, syphilis, HIV and sometimes herpes or hepatitis. Which ones you need depends on your situation, so a clinician can help you decide. CDC recommends everyone ages 13 to 64 get tested for HIV at least once.

Is STD testing confidential?

Health care providers must keep your health information private. Some public health clinics offer anonymous HIV testing. Ask the clinic about their privacy policy.

Data: CDC NPIN and HRSA. Page built 2026-11-03.