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List of City-registered Master Plumbers.
Disclaimer: The inclusion of a plumber or plumbing company on this list does not imply and should not be interpreted as constituting or implying any endorsement, recommendation, sponsorship, support, affiliation, or approval by the City of that plumber or plumbing company or the information on the plumber's or company’s site, nor the products or services they offer.
Last updated: Feb. 23, 2021
List of City-registered Mechanical contractors.
Disclaimer: The inclusion of a mechanical contractor or company on this list does not imply and should not be interpreted as constituting or implying any endorsement, recommendation, sponsorship, support, affiliation, or approval by the City of that mechanical contractor or company, or the information on the mechanical contractor's or company’s site, nor the products or services they offer.
Last updated: Feb. 23, 2021
Permit guide for temporary buildings (< 180 days)
Updated February 2024
Last update: 04/01/2024.
List of Registered Independent Energy Technicians.
Updated April 19, 2024
List of currently licensed sign contractors with the City of Houston
Last updated: April 18, 2024
Guideline for completing the COMcheck form. This form is a pre-requisite for commercial plan reviews.
Last updated: February 2024