Step by step guide for applying for a wastewater capacity letter online.

Last updated: January 18, 2022

List of the currently adopted codes.

Last updated: 03-07-2024

Form for registering a master plumber license or a landscape irrigator license with the City of Houston

Last updated: February 02, 2026

The 2021 Uniform Plumbing Code was adopted on October 25, 2023, and became effective on January 2, 2023.

Last updated: December 26, 2023

2021 Code Words provide interpretations, written policies, and procedures to aid in the application of construction code. 

Last updated: September 15, 2025

This Code Word is provided as an interpretation that the use of the Department of Energy (DOE) SolarAPP+ computer program is an approved alternate method.

Last updated: Sep. 27, 2022

Last Updated: June 20, 2025.

The Administrative Code Provisions to the 2020 National Electrical Code (NEC) were adopted on December 1, 2021, and become effective on April 1, 2022.

Last updated: Mar. 20, 2023

Life Safety Bureau Standard No. 25 – Safety Inspections for Vehicles on Indoor Display

Updated December 26, 2023

This is a building permit application for Plumbing and Irrigation Systems within the city limits of Houston, Texas. 

Last updated: January 2026