This technical memo is provided to describe the new changes to solar readiness in the Houston Amendments to the 2021 Residential Code (IRC) and the 2021 International Energy Conservation Code (IECC). 

Uploaded 02/13/2024

Last updated: 03/08/2024

Maximum allowable beam span (Revision 1)

This document is a brief overview of the typical commercial building permit process for the City of Houston. Links are added for reference. Please contact Building Code Enforcement for assistance with specific questions pertaining to your individual project: 832.394.9494. Presentation, May 31, 2007.

Last updated: February 2024

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

This technical memo is provided to describe the importance of mechanical ventilation in new homes and the relevant Houston Construction Code requirements to consider for mechanical ventilation construction. 

Uploaded 2-13-2024

Last Update: March 7, 2025.

Definition terms related to existing building alterations that are used for administrative processes associated with plan review and permitting.