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.

List of the currently adopted codes.

Last updated: 03-07-2024

Request changes to your WCR letter.

Last updated: 05.19.2022. This document is maintained by Utility Analysis.

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

Wastewater capacity reservation application form for shopping centers.

Last updated: 10.25.2019. This document is maintained by Utility Analysis.

Exemption form for low and moderate-cost single-family housing.
Effective: February 1, 2026

The Houston Amendments to the 2015 Uniform Plumbing Code (UPC) were adopted on December 1, 2021, and became effective on April 1, 2022.

Last updated: 04/11/2022 

The 2021 International Swimming Pool and Spa Code was adopted on October 25, 2023, and became effective on January 2, 2023.

Last updated: December 26, 2023