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County building permits

Unincorporated Fayette County

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

Avg processing
No public turnaround estimate found.
Min. permit fee
$100 per parcel identification
Last verified
April 2026
On this page 6
§ 01

Permit authority

Fayette County Office of Floodplain Administration; Fayette County OSSF authorized agent program

Street address
151 North Washington, Room 307, La Grange, TX 78945
Coverage
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.
§ 02

When a permit is required

Permit triggers and exempt work for Fayette County

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.

Note: No public exempt-work list for general construction in unincorporated Fayette County was found. The reviewed county materials support floodplain permitting, exemption certificates, OSSF regulation, and other narrow development controls, not a blanket exempt versus non-exempt building work table.

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
Building code
No public source established a countywide adopted building code and inspection program for all unincorporated Fayette County construction.
Permit validity
Permit is valid for 180 days.
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.
§ 03

Application process

Typical processing: No public turnaround estimate found.

  1. 01
    Determine whether the work triggers county floodplain review, OSSF or septic approval, subdivision review, or another narrow county control.
  2. 02
    For floodplain-regulated development in unincorporated areas, complete the county floodplain permit application or obtain a floodplain exemption certificate if the tract qualifies.
  3. 03
    Submit the application, site information, parcel identification, and any required plans, certifications, and outside permits to the Fayette County Office of Floodplain Administration.
  4. 04
    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. 05
    Pay the applicable county fee. The reviewed floodplain development packet states an application fee of $100 per parcel identification.
  6. 06
    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. 07
    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 ↗

§ 04

Fee schedule

Fayette County building permit fees

Fee type
Amount
01
Minimum permit fee
$100 per parcel identification
02
Permit fee formula
Flat fee per parcel identification for floodplain development
03
Penalty (no permit)
Violations may result in fines up to $5,000 outside the floodplain and $10,000 within the floodplain

No public online payment workflow identified

Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.

§ 05

Required inspections

Scheduling and sequence

How to schedule
  • County floodplain administrator (in-person)
Inspection hours
Daylight hours

Typical sequence: County review before issuance, field inspection by the floodplain administrator as needed, and post-construction compliance certification where required.

§ 06

Frequently asked

Common questions about unincorporated Fayette County permits

01 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.
02 How much does a building permit cost in unincorporated Fayette County, TX?
Building permit fees in unincorporated Fayette County, TX are set by the local building department and vary by project type and valuation. The minimum permit fee is $100 per parcel identification. Fees are calculated as: Flat fee per parcel identification for floodplain development.
03 How do I apply for a building permit in unincorporated Fayette County, TX?
To apply for a building permit in unincorporated Fayette County, TX, follow these steps: 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.
04 How long does it take to get a building permit in unincorporated Fayette County, TX?
Building permit processing times in unincorporated Fayette County, TX typically run No public turnaround estimate found.. Timelines can vary based on project complexity and current department workload.
05 How do I schedule a building inspection in unincorporated Fayette County, TX?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Fayette County, TX via: County floodplain administrator.

Educational reference. Permit rules and fees change — confirm current requirements directly with Fayette County Office of Floodplain Administration; Fayette County OSSF authorized agent program before applying. Jaspector is not legal advice.