County Building Permits
Dimmit County, TX - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Dimmit County, Texas. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Unincorporated Dimmit County only. Does not apply to areas within Asherton, Big Wells, or Carrizo Springs city limits.
- Department
- County Utilities and Floodplain Administration
- Address
- 212 N 4th St., Carrizo Springs, TX 78834
- Phone
- 830-876-9904
- utility@dimmitcounty.org
- Website
- https://www.dimmitcounty.org/
Application Process
- Confirm the parcel is in unincorporated Dimmit County and not inside Asherton, Big Wells, or Carrizo Springs city limits.
- Contact the county before work starts to determine whether the project implicates floodplain review, OSSF/septic permitting, or burn-permit restrictions.
- If the project needs an OSSF permit, use TCEQ's county lookup guidance to confirm the permitting authority; Dimmit County is listed as the authorized agent.
- If the parcel is in a mapped floodplain, contact the county floodplain administrator before site work or development.
- Obtain written county direction on any required county approvals before construction.
General Requirements
No public countywide general building permit program was documented. Verified county controls are narrower: floodplain review for mapped floodplain properties, OSSF/septic permitting through TCEQ (with Dimmit County as authorized agent), and burn-permit restrictions during burn-ban periods.
Work That Does NOT Require a Permit
Contact the County Utilities and Floodplain Administration to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
Additional Resources
- Verify contractor license: Texas TDLR License Lookup
- County Website
- TCEQ 2024 Authorized Agent Annual Report
- 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 County Utilities and Floodplain Administration before applying.
Frequently Asked Questions
Dimmit County Building Permit FAQ
- Do I need a building permit in unincorporated Dimmit County, TX?
- No public countywide general building permit program was documented. Verified county controls are narrower: floodplain review for mapped floodplain properties, OSSF/septic permitting through TCEQ (with Dimmit County as authorized agent), and burn-permit restrictions during burn-ban periods.
- How do I apply for a building permit in unincorporated Dimmit County, TX?
- 1. Confirm the parcel is in unincorporated Dimmit County and not inside Asherton, Big Wells, or Carrizo Springs city limits. 2. Contact the county before work starts to determine whether the project implicates floodplain review, OSSF/septic permitting, or burn-permit restrictions. 3. If the project needs an OSSF permit, use TCEQ's county lookup guidance to confirm the permitting authority; Dimmit County is listed as the authorized agent. 4. If the parcel is in a mapped floodplain, contact the county floodplain administrator before site work or development. 5. Obtain written county direction on any required county approvals before construction.
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