County Building Permits

Aransas County, TX - 2026 Building Permit Guide

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

Texas Updated March 2026

Permit Authority

For unincorporated Aransas County, no countywide general building-permit program for ordinary construction was verified. County control that is clearly documented: floodplain development permits, OSSF or septic permitting and inspections, tree permits in covered contexts, driveway and culvert permits over county rights-of-way in covered contexts, and rental-community development permits.

Department
Aransas County does not operate a general city-style building department for unincorporated construction. Permit authority is narrower and runs primarily through Environmental Health, the Floodplain Administrator program, and Road and Bridge for specific permit categories.
Address
Office of the County Judge, 308 N Live Oak St, Rockport, TX 78382-2745; Environmental Health and Fire Marshal, 2740 Hwy 35 N Unit A, Rockport, TX 78382
Phone
Environmental Health (361) 790-0121; Road and Bridge (361) 790-0152; County Judge (361) 790-0100

Application Process

  1. First confirm the property is in unincorporated Aransas County and not inside Rockport, Fulton, or Aransas Pass city limits.
  2. Determine which county-controlled permit category actually applies. The main county-controlled categories are floodplain development, OSSF or septic permitting, rental-community infrastructure permits, tree permits in covered situations, and county right-of-way driveway or culvert permits.
  3. If the property lacks public wastewater, obtain OSSF approval from Aransas County Environmental Health. The county floodplain order states no building permit will be issued until an Environmental Health septic permit has been obtained in covered situations.
  4. If the site is in the regulated floodplain, submit for the county floodplain development permit and provide whatever floodplain documents the Floodplain Administrator requires.
  5. If the project is a new or expanded rental community in unincorporated Aransas County, submit the site development plan to the County Engineer and Director of Environmental Health for review and approval, along with utility, floodplain, tree, and driveway compliance items required by Order O-03-2020.
  6. If the work includes a driveway over county right-of-way in a covered rental-community context, obtain the driveway and culvert permit through Aransas County Road and Bridge.
  7. Complete required inspections for septic and any other county-regulated permit category before occupancy or utility connection in those covered contexts.

Typical processing time: No countywide processing-time estimate was identified in the reviewed materials.

Source: Aransas County does not operate a general city-style building department for unincorporated construction. Permit authority is narrower and runs primarily through Environmental Health, the Floodplain Administrator program, and Road and Bridge for specific permit categories.

General Requirements

No verified countywide general building-permit requirement was found for ordinary unincorporated construction. Verified county permits are narrower: floodplain development permits in regulated floodplain contexts; septic permits through Environmental Health where public wastewater is unavailable; development review and additional permits for manufactured-home and other rental communities, including tree permits and county right-of-way driveway permits in those covered situations.

Required Documents

  • Varies by permit type. Rental-community applications must include a site development plan for County Engineer and Environmental Health review. Floodplain permits require floodplain compliance materials. OSSF permits require septic design and related health-department materials.
Permit validity
The county floodplain order states approved permits lapse if the proposed development does not begin within 180 calendar days from issuance, with possible 90-day extensions for cause.
Building code
No countywide general building code adoption was verified for ordinary unincorporated construction. County Commissioners Court minutes from February 12, 2024 state the county does not have building codes. The county's verified regulations instead focus on floodplain management, OSSF, rental-community infrastructure, trees, stormwater, and county right-of-way controls.
Owner-builder
No public owner-builder rule was identified in the reviewed county materials.
Contractor requirements
For septic systems, the county order requires systems to be designed and installed by licensed professionals. No countywide general contractor-licensing program was verified for ordinary unincorporated building work.

Fees

Payment note
No consolidated current public fee schedule for unincorporated Aransas County permit categories was clearly posted in the reviewed materials. Contact the relevant department directly for fee information.

Work That Does NOT Require a Permit

Contact the Aransas County does not operate a general city-style building department for unincorporated construction. Permit authority is narrower and runs primarily through Environmental Health, the Floodplain Administrator program, and Road and Bridge for specific permit categories. to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

Inspection hours
Not publicly stated in the reviewed materials.

Typical inspection sequence: No countywide building-inspection scheduling program was found. Inspections appear to be permit-type-specific, especially for OSSF or septic and floodplain compliance. OSSF permits include future maintenance inspections as required. Floodplain oversight is handled through the Floodplain Administrator. Rental-community materials also tie issuance to OSSF approval and compliance with floodplain, tree, and driveway rules.

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Aransas County does not operate a general city-style building department for unincorporated construction. Permit authority is narrower and runs primarily through Environmental Health, the Floodplain Administrator program, and Road and Bridge for specific permit categories. before applying.

Frequently Asked Questions

Aransas County Building Permit FAQ

Do I need a building permit in unincorporated Aransas County, TX?
No verified countywide general building-permit requirement was found for ordinary unincorporated construction. Verified county permits are narrower: floodplain development permits in regulated floodplain contexts; septic permits through Environmental Health where public wastewater is unavailable; development review and additional permits for manufactured-home and other rental communities, including tree permits and county right-of-way driveway permits in those covered situations.
How do I apply for a building permit in unincorporated Aransas County, TX?
1. First confirm the property is in unincorporated Aransas County and not inside Rockport, Fulton, or Aransas Pass city limits. 2. Determine which county-controlled permit category actually applies. The main county-controlled categories are floodplain development, OSSF or septic permitting, rental-community infrastructure permits, tree permits in covered situations, and county right-of-way driveway or culvert permits. 3. If the property lacks public wastewater, obtain OSSF approval from Aransas County Environmental Health. The county floodplain order states no building permit will be issued until an Environmental Health septic permit has been obtained in covered situations. 4. If the site is in the regulated floodplain, submit for the county floodplain development permit and provide whatever floodplain documents the Floodplain Administrator requires. 5. If the project is a new or expanded rental community in unincorporated Aransas County, submit the site development plan to the County Engineer and Director of Environmental Health for review and approval, along with utility, floodplain, tree, and driveway compliance items required by Order O-03-2020. 6. If the work includes a driveway over county right-of-way in a covered rental-community context, obtain the driveway and culvert permit through Aransas County Road and Bridge. 7. Complete required inspections for septic and any other county-regulated permit category before occupancy or utility connection in those covered contexts.
How long does it take to get a building permit in unincorporated Aransas County, TX?
Typical processing time is No countywide processing-time estimate was identified in the reviewed materials..
What work is exempt from building permits in unincorporated Aransas County, TX?
The following work is generally exempt: Ordinary maintenance and repair of structures (where determined by the Floodplain Administrator not to increase flood risk or create a code issue). Note: No public exempt-work list was found for a countywide general building-permit program because no countywide general building-permit program was verified. Outside the narrower county-regulated categories (floodplain, OSSF, rental-community, tree, driveway), the reviewed county materials do not support assuming a city-style county building permit is required.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.
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