Due to ongoing repairs, only select departments are open at the Dallas County Records Building today. If you need in-person assistance, please call to confirm operational status before traveling to the building. We encourage you to visit our website for the latest information and daily operations.
In observance of Labor Day, Dallas County offices will be closed on Monday, September 7, 2026.
Dallas County is under a Burn Ban starting July 27, 2026, in effect for 90 days.
DALLAS COUNTY ADOPTED A TAX RATE THAT WILL RAISE MORE TAXES FOR MAINTENANCE AND OPERATIONS THAN LAST YEAR'S TAX RATE.

THE TAX RATE WILL EFFECTIVELY BE RAISED BY 22.02 PERCENT AND WILL RAISE TAXES FOR MAINTENANCE AND OPERATIONS ON A $100,000 HOME BY APPROXIMATELY $29.08.

Sexual Health Mobile Medical Unit (MMU)

Dallas County Health and Human Services - 2377 N. Stemmons Freeway, 1st Floor, Dallas, TX 75207
Phone: (214) 819-2135
If you prefer a language other than English, please let us know. We have interpreters available to speak with you in your preferred language.


The STI HIV mobile unit is utilized in the community to respond to high rates of STI or HIV within Dallas County.  Free testing is provided for syphilis, HIV, chlamydia, gonorrhea and trichomoniasis.  On occasion, based on department’s needs and unforeseen screening priorities, the schedules for the mobile clinic may be revised, and previously scheduled events may be cancelled.

  • Upon request and based on scheduling availability, we offer to provide free STI HIV testing at community health fairs within Dallas County.
  • An appointment is not required to test, and all clients are encouraged to register 30 minutes prior to event closing.
  • The screening calendar contains dates and locations for the mobile clinic.

To request our services please call (214) 819-2135.

Please see the calendar below for dates and locations of off-site testing events (mobile medical unit).

 
 

 

Ending the HIV Epidemic (EHE)

Click here for information about Ending the HIV Epidemic (EHE) in Dallas County.

 

All medical information is kept confidential in accordance with HIPPA regulations. 

 

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