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San Francisco AIDS Foundation – Strut Location
STD/STI testing location in San Francisco, California.
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.
Address: 470 Castro St, San Francisco, CA 94114
Get directions
Phone: (415) 581-1600
Website: https://www.sfaf.org/
Tests listed
- Chlamydia Test
- Gonorrhea Test
- Hepatitis C Test
- Rapid HIV Test
- Syphilis Test
Cost and payment
Donations Accepted, Free Mpox Vaccine, No Fee, Free STI Test, Free HIV Test.
This location lists free STI and/or HIV testing. Eligibility rules may apply.
Hours
| Tuesday | 10:00am – 7:00pm |
| Wednesday | 10:00am – 7:00pm |
| Thursday | 10:00am – 7:00pm |
| Friday | 10:00am – 7:00pm |
| Saturday | 10:00am – 7:00pm |
Appointment required: Yes
Other services
STI treatment, PrEP (HIV prevention medicine).
Languages: English, Interpretation Services Available for Non-English Languages, Spanish
Type: Clinic, Community Based Organization
Source: CDC NPIN listing. Last updated by source: 2026-08-06. Page built 2026-11-03.