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.

Public Health Laboratory

LRN-B Unit

Dallas County Health and Human Services - 2377 N. Stemmons Freeway, Suite 017, Dallas, TX 75207
Telephone: (214) 819-1950
Email: PHLabInfo@dallascounty.org

The LRN-B Unit specializes in detecting and responding to high-priority biological threats. Utilizing advanced diagnostic techniques—including real-time PCR assays and conventional culture methods— our unit plays a critical role in ruling out agents of bioterrorism.

Core Test Capabilities

  • Bacillus anthracis (Anthrax)
  • Brucella spp.
  • Francisella tularensis
  • Burkholderia spp.
  • Yersinia pestis (Plague)
  • Additional select agents including orthopox viruses

LRN-B Contact Information

For emergency submissions and inquiries, please contact the BT Coordinator (24/7): (214) 677-7876

 

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