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 Harris County Updated March 2026

Permit Authority

All properties within the incorporated City of Katy (which spans Harris, Waller, and Fort Bend Counties). Katy operates an active municipal permit office.

Department: Permit Office / Building Permits
Website: https://www.cityofkaty.com/business/building-permits

Online Permit Portal

Open City of Katy Building Permits

Platform: EnerGov / Katy Permit System • Account required: Yes • Submission: Online only

Additional resources:

Application Process

Review available portal applications and determine permit requirements.
Prepare application materials including plans and documentation.
Submit application through EnerGov portal or email to permit office.
Permit Office reviews for completeness and compliance.
Pay permit fees as required.
Schedule inspections through the city system under stated timing rules.
Complete required inspections during construction.
Obtain final approval upon project completion.

Typical processing time: Processing time varies by permit type; contact Permit Office.

Source: Permit Office / Building Permits

General Requirements

Building permits are required for covered construction work inside the City of Katy.

Required Documents

Completed permit application
Construction plans
Site plan
Project scope information
Additional supporting materials as required

Permit validity: Permit validity period not specified in reviewed materials; verify with Permit Office.
Building code: City of Katy adopts current building codes; verify current code series with Permit Office.
Owner-builder: Owner-builder requirements not specified in reviewed materials; contact Permit Office.
Contractor requirements: Contractors must be properly licensed and comply with city requirements. Contractor registration is required.

Fees

Permit fee formula: Fee structure not specified in reviewed materials; contact Permit Office.
Payment note: Payment processing available through online system.

Work That Does NOT Require a Permit

Contact the Permit Office / Building Permits to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

Katy Inspection Scheduling (online)

Typical inspection sequence: Inspections are scheduled through the city system under stated timing rules. Contact Permit Office for details.

Policy on remote inspections not specified in reviewed materials.

Additional Resources

Building code: City of Katy adopts current building codes; verify current code series with Permit Office.
Verify contractor license: California CSLB License Lookup
City of Katy Official Site
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 Permit Office / Building Permits before applying.

Need help with your project?

Navigating permits in Katy can be complicated.

Jaspector connects you with local experts who can review your scope, verify your contractor, and help you understand what permits your project actually needs.

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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.