County Building Permits
Gonzales County, TX - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Gonzales County, Texas. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Unincorporated areas of Gonzales County. County controls include floodplain permits, OSSF/septic permits, driveway permits, county road bore permits, utility and pipeline installation requests, seismic work permits, subdivision applications, and waterline permits.
- Department
- Gonzales County Permit Office
- Address
- 1811 Water Street, Gonzales, TX 78629
- Phone
- 830-672-6209
Online Permit Portal
Platform: County website download page • Account required: No • Submission: In-person only
Additional resources:
Application Process
- Determine which county-controlled permit type applies. County permits include floodplain, septic, driveway, county road bore, seismic, utility and pipeline, subdivision, and waterline matters.
- Download the applicable county form from the permit page and complete the project-specific application packet.
- Submit the application and supporting materials to the Gonzales County Permit Office.
- Wait for county review. Floodplain applications require 5-7 business days for approval.
- Obtain county approval before starting the applicable regulated work.
- Complete any county-required inspections or closeout items for the specific permit type.
Typical processing time: 5-7 business days for floodplain permits. Processing time varies by permit type.
Source: Gonzales County Permit Office
General Requirements
Unincorporated Gonzales County does not have a blanket general building permit requirement for all structures. County controls are narrower and include floodplain development, OSSF/septic work, driveway access, county road bores, utility and pipeline installation, seismic work, subdivision regulation, and certain waterline permits.
Required Documents
- Varies by permit type. Floodplain: owner and contractor information, legal description, work description, cost estimate, and elevation certificates. Septic: application packet materials governed by county septic order and state OSSF rules. Other permit types require permit-specific applications.
- Permit validity
- Floodplain development permits are good for 1 year and remain active until the county receives the finished construction elevation certificate. Expiration rules vary by permit type.
- Building code
- No general county building code adoption was verified. County regulation focuses on floodplain development, OSSF regulation under state law and county order, subdivision rules, and right-of-way or development controls.
- Owner-builder
- No public county owner-builder handout or countywide owner-builder policy was found. For residential work in unincorporated areas, applicants should confirm interaction with Texas HB 2833 private-inspection rules where applicable.
- Contractor requirements
- No countywide contractor registration requirement is publicly documented. Specific permit forms request contractor, architect, engineer, or installer details depending on permit type.
Fees
- Minimum permit fee
- $50.00 to $350.00 (varies by permit type and classification)
- Permit fee formula
- Flat fee by permit type and residential/commercial classification
- Payment note
- No public online payment workflow identified. Contact County Permit Office for payment details.
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
Contact the Gonzales County Permit Office to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
Typical inspection sequence: No public countywide general building inspection scheduling process found. Applicants should coordinate permit-specific inspections or closeout requirements through the Gonzales County Permit Office.
Additional Resources
- Building code: No general county building code adoption was verified. County regulation focuses on floodplain development, OSSF regulation under state law and county order, subdivision rules, and right-of-way or development controls.
- 2024 Official Flood Damage Prevention Order
- Septic Order
- Subdivision Order
- 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 Gonzales County Permit Office before applying.
Frequently Asked Questions
Gonzales County Building Permit FAQ
- Do I need a building permit in unincorporated Gonzales County, TX?
- Unincorporated Gonzales County does not have a blanket general building permit requirement for all structures. County controls are narrower and include floodplain development, OSSF/septic work, driveway access, county road bores, utility and pipeline installation, seismic work, subdivision regulation, and certain waterline permits.
- How much does a building permit cost in unincorporated Gonzales County, TX?
- The minimum permit fee is $50.00 to $350.00 (varies by permit type and classification). Fees are calculated as: Flat fee by permit type and residential/commercial classification.
- How do I apply for a building permit in unincorporated Gonzales County, TX?
- 1. Determine which county-controlled permit type applies. County permits include floodplain, septic, driveway, county road bore, seismic, utility and pipeline, subdivision, and waterline matters. 2. Download the applicable county form from the permit page and complete the project-specific application packet. 3. Submit the application and supporting materials to the Gonzales County Permit Office. 4. Wait for county review. Floodplain applications require 5-7 business days for approval. 5. Obtain county approval before starting the applicable regulated work. 6. Complete any county-required inspections or closeout items for the specific permit type.
- How long does it take to get a building permit in unincorporated Gonzales County, TX?
- Typical processing time is 5-7 business days for floodplain permits. Processing time varies by permit type..
Need help with your project?
Navigating permits in Unincorporated Gonzales 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