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Public Health Seattle and King County – STD Clinic at Harborview Medical Center
STD/STI testing location in Seattle, Washington.
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: 908 Jefferson St, 11th Fl, Seattle, WA 98104
Get directions
Phone: (206) 744-3590
Website: https://kingcounty.gov/en/legacy/depts/health/communicable-diseases/hi
Tests listed
- Chlamydia Test
- Conventional HIV Test
- Gonorrhea Test
- Herpes Test
- Syphilis Test
Cost and payment
Free Mpox Vaccine, Medicaid Accepted, Sliding Scale, Medicare Accepted, Fee, Insurance Accepted.
Hours
| Monday | 7:30am – 6:00pm |
| Tuesday | 9:30am – 6:00pm |
| Wednesday | 7:30am – 6:00pm |
| Thursday | 7:30am – 6:00pm |
| Friday | 7:30am – 6:00pm |
Appointment required: Yes
Other services
STI treatment, PrEP (HIV prevention medicine).
Languages: English, Laotian, Spanish, Tagalog
Type: Public Health Department/Social Services Department
Source: CDC NPIN listing. Last updated by source: 2026-08-06. Page built 2026-11-03.