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County building permits

Unincorporated Wilson County

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

Last verified
April 2026
On this page 6
§ 01

Permit authority

Permitting and Development - 911 Addressing

Street address
Courthouse Annex II, 800 Tenth Street, Building B, Floresville, TX 78114
Coverage
All properties in unincorporated Wilson County. Public county records support a permitting and development program for floodplain, subdivision, driveway, ROW utility and pipeline, RV park and lodging, OSSF, and related development controls.
Online portal
County Forms Page
County forms page
§ 02

When a permit is required

Permit triggers and exempt work for Wilson County

A permit is required for subdivision development, lodging and RV park certificates of compliance, floodplain development permits, pipeline crossing county ROW, utility permits, driveway permits, food establishment permits, temporary advertising signs, private improvements, and OSSF permit applications. Texas counties have limited general building authority; check the county's 'Building and Zoning Letter' for parcel-specific county rules.

Required documents
  • Application for specific permit type
  • Floodplain development plans where applicable
  • Subdivision and drainage review materials where applicable
  • Driveway permits documentation where applicable
  • OSSF permit documentation where applicable
Building code
No countywide general building-code adoption. The county publishes narrower development, floodplain, OSSF, subdivision, ROW, and related permit controls.
Owner-builder
For residential work in unincorporated areas, Texas HB 2833 private-inspection rules may apply depending on project type and code applicability.
§ 03

Application process

Application → plan check → issuance → inspection → final

  1. 01
    Determine whether the project falls under county floodplain, subdivision, OSSF, driveway, ROW crossing, lodging or RV park, or other listed county development controls.
  2. 02
    Obtain the correct county form from the Forms or Permitting and Development page.
  3. 03
    Submit the application and any supporting plans, drainage materials, floodplain materials, or OSSF documents required for that permit type.
  4. 04
    Pay the applicable county fee.
  5. 05
    Wait for county review by Permitting and Development and any related county or consultant review.
  6. 06
    Receive permit or approval before starting the covered work.
  7. 07
    Complete any inspections required for the specific county permit type, especially septic or driveway related work.

Source: Permitting and Development - 911 Addressing ↗

§ 04

Fee schedule

Wilson County building permit fees

Fee type
Amount
01
Minimum permit fee
$25.00 for PIPROW permit applications
02
Plan check fee
Drainage review fee of $500.00 applies where applicable; floodplain elevation certificate review is $200.00 where applicable
03
Permit fee formula
Flat fees by permit type. Examples: floodplain development permit $100.00 determination fee, floodplain development in SFHA $300.00, subdivision plat without roads $100.00 per lot with $500.00 minimum, pipeline crossing county ROW $1,000.00 per crossing.
04
Reinspection fee
Reinstatement of lodging and RV park certificate of compliance is $250.00

County Clerk plat recording fees are separate and payable with the County Clerk at recording.

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

§ 05

Required inspections

Scheduling and sequence

How to schedule
  • (830) 393-8357 (phone)
Inspection hours
Monday to Thursday, 8:00 AM to 5:00 PM (closed 12:00 PM to 1:00 PM for lunch); Friday 8:00 AM to 4:00 PM

Typical sequence: Application, county review, permit issuance, and field inspection where applicable for septic, driveway, floodplain, or other county-controlled work.

Source: Permitting and Development - 911 Addressing ↗

§ 06

Frequently asked

Common questions about unincorporated Wilson County permits

01 Do I need a building permit in unincorporated Wilson County, TX?
A permit is required for subdivision development, lodging and RV park certificates of compliance, floodplain development permits, pipeline crossing county ROW, utility permits, driveway permits, food establishment permits, temporary advertising signs, private improvements, and OSSF permit applications. Texas counties have limited general building authority; check the county's 'Building and Zoning Letter' for parcel-specific county rules.
02 How much does a building permit cost in unincorporated Wilson County, TX?
Building permit fees in unincorporated Wilson County, TX are set by the local building department and vary by project type and valuation. The minimum permit fee is $25.00 for PIPROW permit applications. Fees are calculated as: Flat fees by permit type. Examples: floodplain development permit $100.00 determination fee, floodplain development in SFHA $300.00, subdivision plat without roads $100.00 per lot with $500.00 minimum, pipeline crossing county ROW $1,000.00 per crossing.. Plan check fee: Drainage review fee of $500.00 applies where applicable; floodplain elevation certificate review is $200.00 where applicable.
03 How do I apply for a building permit in unincorporated Wilson County, TX?
To apply for a building permit in unincorporated Wilson County, TX, follow these steps: 1. Determine whether the project falls under county floodplain, subdivision, OSSF, driveway, ROW crossing, lodging or RV park, or other listed county development controls. 2. Obtain the correct county form from the Forms or Permitting and Development page. 3. Submit the application and any supporting plans, drainage materials, floodplain materials, or OSSF documents required for that permit type. 4. Pay the applicable county fee. 5. Wait for county review by Permitting and Development and any related county or consultant review. 6. Receive permit or approval before starting the covered work. 7. Complete any inspections required for the specific county permit type, especially septic or driveway related work.
04 How do I schedule a building inspection in unincorporated Wilson County, TX?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Wilson County, TX via: (830) 393-8357.
last verified April 2026 source Permitting and Development - 911 Addressing ↗ entry id permits/texas/wilson/unincorporated

Educational reference. Permit rules and fees change — confirm current requirements directly with Permitting and Development - 911 Addressing before applying. Jaspector is not legal advice.