Essential and Continuing Operations / COVID19: In the interest of the health and safety of our staff and the community, our offices will remain closed to the public, and most of the agency’s prosecutors and staff will work remotely, until further notice. The HCDAO continues to perform key functions in the county criminal justice system and will do so during the Covid-19 pandemic. Click Here for More Information

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The Harris County District Attorney's Office employs investigators who are certified peace officers as defined in Chapter 2.12 of The Texas Code of Criminal Procedure. These investigators are assigned throughout the Office of the District Attorney. Investigators assist the prosecutorial staff in the preparation of criminal cases that occur in Harris County, conduct formal investigations, conduct investigations directly for the District Attorney, and assist law enforcement officers from other jurisdictions on a case-by-case basis.


An investigator must hold a Masters Certificate from the Texas Commission on Law Enforcement Officer Standards and Education.


The investigator must live within 50 miles (G.P.S.) of the District Attorney's Office and be able to pass the firearms qualification course as prescribed in the Harris County District Attorney's Office Operations Manual.


If you wish to apply for an Investigator Position, please send a letter, resume, transcript or certificate and completed application with release form by email to:
In addition, an unopened credit report will need to be sent via mail to:

       Harris County District Attorney’s Office

       Attn: Chief Investigator

       500 Jefferson

       Houston, TX 77002

You will receive confirmation by email once we have received your completed application.