How to guide for purchasing a trade permit online through iPermits portal.

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

Last updated: February 02, 2026

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

Last updated: January 2026

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

Last updated: January 2026

This is a permit application for Boilers within the city limits of Houston, Texas.

Last updated: July 29, 2024

This is a building permit application for plumbing and Irrigation systems within the city limits of Houston, Texas that is required to be completed when a homeowner will obain the permit and perform the work. 

Last updated: January 2026

This is a permit application for Mechanical / HVAC within the city limits of Houston, Texas.

Last updated: January 2026

Application packet to become a licensed sign contractor

Updated: November 2025

The 2015 Houston Commercial Energy Conservation Code with local Amendments, effective December 9th, 2016, contains mandatory cool roofing provisions for new commercial buildings and alterations to existing commercial buildings.

Updated: 10/16/2019

By state law, sprinkler plans must be designed by a licensed sprinkler contractor. Typically, the sprinkler contractor is selected by the general contractor after the construction documents have been submitted for a permit or the building permit has been issued. As a result, sprinkler drawings are designed and submitted after the building plans are reviewed and construction has commenced.

Last updated: January 2026