City Building Permits

Katy, TX Building Permit Guide

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

Texas Fort Bend County Updated March 2026

Permit Authority

All properties within the incorporated City of Katy and its extraterritorial jurisdiction.

Department: Permits Department / Permits and Inspections
Address: 901 Avenue C, Katy, TX 77493
Phone: 281-391-4830
Email: katypermits@cityofkaty.com
Website: https://www.cityofkaty.com/i-want-to/pay/permit-inspection-fees

Online Permit Portal

Open

Platform: • Account required: No • Submission: Online only

Application Process

Source: Permits Department / Permits and Inspections

General Requirements

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.

Work That Does NOT Require a Permit

Contact the Permits Department / Permits and Inspections to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

Additional Resources

Building code: Katy adopted the 2021 International Building Codes and the 2023 National Electrical Code effective January 1, 2024.
Verify contractor license: TDLR License Lookup
License lookup guide: Texas Contractor License Requirements
Contract template: Texas Homeowner-Contractor Agreement
Texas hub: Texas Contractor License & Permit Hub

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Permits Department / Permits and Inspections before applying.

Need help with your project?

Navigating permits in Katy can be complicated.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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