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

2021 Detail for 02517-01 LDWL Tunnel and Casing Details for Water Lines 24-Inch and Larger (effective October 1, 2021)

Last updated: July 6, 2021

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

2020 Detail for 02317-09 Standard LDWL Excavation and Backfill Detail 

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