jaspector
City building permits

City of Katy

How to apply for a building permit in City of Katy, Texas. Permit authority, application steps, fees, and inspection requirements.

Last verified
April 2026
On this page 3
§ 01

Permit authority

Permits Department / Permits and Inspections

Street address
901 Avenue C, Katy, TX 77493
Coverage
All properties within the incorporated City of Katy and its extraterritorial jurisdiction.
§ 02

When a permit is required

Permit triggers and exempt work for Katy

Building permits are required for applicable construction as defined by adopted building codes.

Building code
Katy adopted the 2021 International Building Codes and the 2023 National Electrical Code effective January 1, 2024.
§ 03

Frequently asked

Common questions about Katy permits

01 Do I need a building permit in Katy, TX?
Building permits are required for applicable construction as defined by adopted building codes.
last verified April 2026 source Permits Department / Permits and Inspections ↗ entry id permits/texas/fort-bend/katy

Educational reference. Permit rules and fees change — confirm current requirements directly with Permits Department / Permits and Inspections before applying. Jaspector is not legal advice.