County Building Permits
Fayette County, TX - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Fayette County, Texas. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
The verified county program is not a city-style countywide building department for all construction. Publicly available county records support floodplain development permitting in unincorporated areas, OSSF or septic regulation through the county's authorized agent role, and related development controls.
- Department
- Fayette County Office of Floodplain Administration; Fayette County OSSF authorized agent program
- Address
- 151 North Washington, Room 307, La Grange, TX 78945
- Phone
- 979-968-6469
- Website
- https://www.co.fayette.tx.us/
Application Process
- Determine whether the work triggers county floodplain review, OSSF or septic approval, subdivision review, or another narrow county control.
- For floodplain-regulated development in unincorporated areas, complete the county floodplain permit application or obtain a floodplain exemption certificate if the tract qualifies.
- Submit the application, site information, parcel identification, and any required plans, certifications, and outside permits to the Fayette County Office of Floodplain Administration.
- If the development is in a mapped flood hazard area, provide elevation or floodproofing information and any engineer or surveyor certifications required by the county packet.
- Pay the applicable county fee. The reviewed floodplain development packet states an application fee of $100 per parcel identification.
- Wait for county review and issuance before work begins. The packet states no development may begin until, at minimum, a conditional permit is issued.
- Complete any required county inspections or post-construction compliance certifications.
Typical processing time: No public turnaround estimate found.
Source: Fayette County Office of Floodplain Administration; Fayette County OSSF authorized agent program
General Requirements
All future development located in unincorporated areas of Fayette County must either receive a floodplain exemption certificate or be properly permitted when located in the FEMA-designated 1 percent chance floodplain.
Required Documents
- Application form
- Parcel identification
- Site address
- Project description
- Plans and specifications
- Flood zone information
- Base flood elevation information when applicable
- Engineer or surveyor certifications
- Copies of other required federal, state, or local permits
- Permit validity
- Permit is valid for 180 days.
- Building code
- No public source established a countywide adopted building code and inspection program for all unincorporated Fayette County construction.
- Owner-builder
- In unincorporated areas without a clearly documented county inspection program, private inspection, lender, utility, floodplain, and septic requirements may still apply on a parcel-specific basis.
- Contractor requirements
- No countywide general contractor licensing program was identified. OSSF work remains subject to state and local authorized-agent rules.
Fees
- Minimum permit fee
- $100 per parcel identification
- Permit fee formula
- Flat fee per parcel identification for floodplain development
- Penalty (no permit)
- Violations may result in fines up to $5,000 outside the floodplain and $10,000 within the floodplain
- Payment note
- No public online payment workflow identified
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
Contact the Fayette County Office of Floodplain Administration; Fayette County OSSF authorized agent program to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- County floodplain administrator (in-person)
- Inspection hours
- Daylight hours
Typical inspection sequence: County review before issuance, field inspection by the floodplain administrator as needed, and post-construction compliance certification where required.
Additional Resources
- Building code: No public source established a countywide adopted building code and inspection program for all unincorporated Fayette County construction.
- Verify contractor license: TCEQ OSSF Authorized Agents
- Land Presumption Summary - Fayette County
- Fayette County Hazard Mitigation Action Plan Update
- 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 Fayette County Office of Floodplain Administration; Fayette County OSSF authorized agent program before applying.
Frequently Asked Questions
Fayette County Building Permit FAQ
- Do I need a building permit in unincorporated Fayette County, TX?
- All future development located in unincorporated areas of Fayette County must either receive a floodplain exemption certificate or be properly permitted when located in the FEMA-designated 1 percent chance floodplain.
- How much does a building permit cost in unincorporated Fayette County, TX?
- The minimum permit fee is $100 per parcel identification. Fees are calculated as: Flat fee per parcel identification for floodplain development.
- How do I apply for a building permit in unincorporated Fayette County, TX?
- 1. Determine whether the work triggers county floodplain review, OSSF or septic approval, subdivision review, or another narrow county control. 2. For floodplain-regulated development in unincorporated areas, complete the county floodplain permit application or obtain a floodplain exemption certificate if the tract qualifies. 3. Submit the application, site information, parcel identification, and any required plans, certifications, and outside permits to the Fayette County Office of Floodplain Administration. 4. If the development is in a mapped flood hazard area, provide elevation or floodproofing information and any engineer or surveyor certifications required by the county packet. 5. Pay the applicable county fee. The reviewed floodplain development packet states an application fee of $100 per parcel identification. 6. Wait for county review and issuance before work begins. The packet states no development may begin until, at minimum, a conditional permit is issued. 7. Complete any required county inspections or post-construction compliance certifications.
- How long does it take to get a building permit in unincorporated Fayette County, TX?
- Typical processing time is No public turnaround estimate found..
- How do I schedule a building inspection in unincorporated Fayette County, TX?
- Inspections can be scheduled via: County floodplain administrator.
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