County Building Permits
Brooks County, TX - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Brooks County, Texas. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
All unincorporated properties in Brooks County not within the City of Falfurrias. County permit authority applies to floodplain management, flood damage prevention, and on-site sewage facility (OSSF) permitting.
- Department
- Brooks County Emergency Management Coordinator
- Address
- Brooks County Courthouse, 100 E Miller St, Falfurrias, TX 78355
- Phone
- 361-325-5604 x128
Application Process
- Confirm the parcel is in unincorporated Brooks County rather than inside Falfurrias city limits.
- Contact Brooks County Emergency Management or the courthouse to determine whether the project triggers county floodplain review and whether the county's local permit path applies.
- If the project involves an on-site sewage facility (OSSF) or septic system, follow Brooks County's local permitting authority path with TCEQ coordination.
- For floodplain or development review, provide the county information needed to apply its flood hazard ordinance and flood damage prevention ordinance, including base flood elevation and 18-inch minimum elevation evidence (flood insurance policy).
- Complete county inspection and recordkeeping requirements for new and substantially redeveloped construction.
General Requirements
Building permits are required in unincorporated Brooks County for: (1) floodplain and development-related permitting for new and substantially redeveloped construction under the county flood hazard ordinance and flood damage prevention ordinance; (2) on-site sewage facility (OSSF) or septic permits under Brooks County's authorized-agent role with TCEQ.
Required Documents
- Base flood elevation data
- Flood insurance policy (demonstrating 18-inch minimum elevation)
- TCEQ OSSF permit application and supporting septic-system information (for OSSF projects)
- Owner-builder
- For residential work in unincorporated Texas, HB 2833 private-inspection rules may be relevant depending on project type and local enforcement posture.
Work That Does NOT Require a Permit
- On-site sewage facilities serving a single-family dwelling on a tract of 10 acres or larger may be exempt from a permit from the local permitting authority, subject to conditions specified by TCEQ.
Important: Exemption status depends on TCEQ criteria; confirm with TCEQ and Brooks County before proceeding.
Inspections
How to Schedule
Typical inspection sequence: Brooks County uses local permitting, inspection, and recordkeeping for new and substantially redeveloped construction.
Additional Resources
- Brooks County Main Site
- Emergency Management Page
- Brooks County 2025 Hazard Mitigation Plan
- FEMA and TWDB Community Contact List
- TCEQ OSSF Permit Guidance
- TCEQ 2023 Authorized-Agent 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 Brooks County Emergency Management Coordinator before applying.
Frequently Asked Questions
Brooks County Building Permit FAQ
- Do I need a building permit in unincorporated Brooks County, TX?
- Building permits are required in unincorporated Brooks County for: (1) floodplain and development-related permitting for new and substantially redeveloped construction under the county flood hazard ordinance and flood damage prevention ordinance; (2) on-site sewage facility (OSSF) or septic permits under Brooks County's authorized-agent role with TCEQ.
- How do I apply for a building permit in unincorporated Brooks County, TX?
- 1. Confirm the parcel is in unincorporated Brooks County rather than inside Falfurrias city limits. 2. Contact Brooks County Emergency Management or the courthouse to determine whether the project triggers county floodplain review and whether the county's local permit path applies. 3. If the project involves an on-site sewage facility (OSSF) or septic system, follow Brooks County's local permitting authority path with TCEQ coordination. 4. For floodplain or development review, provide the county information needed to apply its flood hazard ordinance and flood damage prevention ordinance, including base flood elevation and 18-inch minimum elevation evidence (flood insurance policy). 5. Complete county inspection and recordkeeping requirements for new and substantially redeveloped construction.
- What work is exempt from building permits in unincorporated Brooks County, TX?
- The following work is generally exempt: On-site sewage facilities serving a single-family dwelling on a tract of 10 acres or larger may be exempt from a permit from the local permitting authority, subject to conditions specified by TCEQ.. Note: Exemption status depends on TCEQ criteria; confirm with TCEQ and Brooks County before proceeding.
Need help with your project?
Navigating permits in Unincorporated Brooks County can be complicated.
Jaspector connects you with local experts who can review your scope, verify your contractor, and help you understand what permits your project actually needs.
Learn how Jaspector works