Project ARK is offers HIV testing through three methods:

WALK-IN TESTING: To access walk-in testing, you can come to our location at 4169 Laclede Avenue, 63108 on:

  • Mondays-Fridays 10am-12pm & 1pm-4pm. Please arrive by 3:30pm.
  • Tuesdays and Thursdays from 5-7pm. Please arrive by 6:40pm.


Mon, Jan 22nd we will be closed for all testing services due to weather.

APPOINTMENTS: To schedule an online appointment, click here. You can also call our testing line at (314) 535-7275, Option 2 if you don’t have access to schedule online or have additional questions.

IN-HOME SELF-COLLECTED TESTING: Learn more here about how to request a test to be sent to you to do at home.

For other free or low cost HIV/STI testing and STI treatment options, view this St. Louis Testing/Treatment Guide.  Most sites are only offering appointments (no walk-ins) at this time and we advise calling ahead to find out how to schedule.

For additional testing sites, you can utilize the search engine below: