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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 6
§ 01

Permit authority

Permit Office / Building Permits

Coverage
All properties within the incorporated City of Katy (which spans Harris, Waller, and Fort Bend Counties). Katy operates an active municipal permit office.
Online portal
City of Katy Building Permits
EnerGov / Katy Permit System
§ 02

When a permit is required

Permit triggers and exempt work for Katy

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

Note: Exempt work categories not specified in reviewed materials. Confirm with Permit Office before assuming work is exempt.

Required documents
  • Completed permit application
  • Construction plans
  • Site plan
  • Project scope information
  • Additional supporting materials as required
Building code
City of Katy adopts current building codes; verify current code series with Permit Office.
Permit validity
Permit validity period not specified in reviewed materials; verify 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.

Source: Permit Office / Building Permits ↗

§ 03

Application process

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

  1. 01
    Review available portal applications and determine permit requirements.
  2. 02
    Prepare application materials including plans and documentation.
  3. 03
    Submit application through EnerGov portal or email to permit office.
  4. 04
    Permit Office reviews for completeness and compliance.
  5. 05
    Pay permit fees as required.
  6. 06
    Schedule inspections through the city system under stated timing rules.
  7. 07
    Complete required inspections during construction.
  8. 08
    Obtain final approval upon project completion.

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

Source: Permit Office / Building Permits ↗

§ 04

Fee schedule

Katy building permit fees

Fee type
Amount
01
Permit fee formula
Fee structure not specified in reviewed materials; contact Permit Office.

Payment processing available through online system.

§ 05

Required inspections

Scheduling and sequence

How to schedule

Typical 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.

Source: Permit Office / Building Permits ↗

§ 06

Frequently asked

Common questions about Katy permits

01 Do I need a building permit in Katy, TX?
Building permits are required for covered construction work inside the City of Katy.
02 How much does a building permit cost in Katy, TX?
Building permit fees in Katy, TX are set by the local building department and vary by project type and valuation. Fees are calculated as: Fee structure not specified in reviewed materials; contact Permit Office..
03 How do I apply for a building permit in Katy, TX?
To apply for a building permit in Katy, TX, follow these steps: 1. Review available portal applications and determine permit requirements. 2. Prepare application materials including plans and documentation. 3. Submit application through EnerGov portal or email to permit office. 4. Permit Office reviews for completeness and compliance. 5. Pay permit fees as required. 6. Schedule inspections through the city system under stated timing rules. 7. Complete required inspections during construction. 8. Obtain final approval upon project completion.
04 How long does it take to get a building permit in Katy, TX?
Building permit processing times in Katy, TX typically run Processing time varies by permit type; contact Permit Office.. Timelines can vary based on project complexity and current department workload.
05 How do I schedule a building inspection in Katy, TX?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Katy, TX via: Katy Inspection Scheduling.
last verified April 2026 source Permit Office / Building Permits ↗ entry id permits/texas/harris/katy

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