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County building permits

Unincorporated Randall County

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

Last verified
April 2026
On this page 4
§ 01

Permit authority

Randall County Road and Bridge; Amarillo Area Public Health District Environmental Health

Street address
Randall County Road and Bridge, 301 W Highway 60, Canyon, TX 79015; Amarillo Area Public Health District Environmental Health, Simms Municipal Building, Suite 275, 808 S Buchanan St, Amarillo, TX 79101
Coverage
All properties in unincorporated Randall County. Note: Randall County does not operate a full municipal building-permit program for typical vertical construction. Development permitting is primarily through floodplain/development permits and subdivision regulations. On-site sewage facility (OSSF) permitting is handled by the Amarillo Area Public Health District.
§ 02

When a permit is required

Permit triggers and exempt work for Randall County

Development and floodplain permits required for development in compliance with the Randall County Flood Damage Prevention Order. OSSF permits required when installing, repairing, replacing, or altering an on-site sewage facility.

Note: Randall County has limited building-permit authority in unincorporated areas. Always confirm permit requirements directly with county departments before proceeding with development work.

Source: Randall County Road and Bridge; Amarillo Area Public Health District Environmental Health ↗

§ 03

Application process

Typical processing: Processing times vary by permit type. Contact the county directly for estimates.

  1. 01
    For development/floodplain permits: Contact Randall County Road and Bridge to determine if your property is in a designated floodplain and which permit class is required.
  2. 02
    Class A Development Permits are required for development outside the mapped 100-year floodplain; Class B for development partially or wholly within the mapped 100-year floodplain.
  3. 03
    For OSSF permits: Contact Amarillo Area Public Health District Environmental Health to apply for on-site sewage facility permitting and inspection.
  4. 04
    For subdivision work: Submit plans to Randall County in compliance with county subdivision regulations.
  5. 05
    For typical building work (electrical, plumbing, mechanical, general construction): Confirm directly with the county, as unincorporated Randall County does not appear to maintain a comprehensive municipal building-permit program. Work within city limits is subject to city permitting.

Typical processing time: Processing times vary by permit type. Contact the county directly for estimates.

Source: Randall County Road and Bridge; Amarillo Area Public Health District Environmental Health ↗

§ 04

Frequently asked

Common questions about unincorporated Randall County permits

01 Do I need a building permit in unincorporated Randall County, TX?
Development and floodplain permits required for development in compliance with the Randall County Flood Damage Prevention Order. OSSF permits required when installing, repairing, replacing, or altering an on-site sewage facility.
02 How do I apply for a building permit in unincorporated Randall County, TX?
To apply for a building permit in unincorporated Randall County, TX, follow these steps: 1. For development/floodplain permits: Contact Randall County Road and Bridge to determine if your property is in a designated floodplain and which permit class is required. 2. Class A Development Permits are required for development outside the mapped 100-year floodplain; Class B for development partially or wholly within the mapped 100-year floodplain. 3. For OSSF permits: Contact Amarillo Area Public Health District Environmental Health to apply for on-site sewage facility permitting and inspection. 4. For subdivision work: Submit plans to Randall County in compliance with county subdivision regulations. 5. For typical building work (electrical, plumbing, mechanical, general construction): Confirm directly with the county, as unincorporated Randall County does not appear to maintain a comprehensive municipal building-permit program. Work within city limits is subject to city permitting.
03 How long does it take to get a building permit in unincorporated Randall County, TX?
Building permit processing times in unincorporated Randall County, TX typically run Processing times vary by permit type. Contact the county directly for estimates.. Timelines can vary based on project complexity and current department workload.

Educational reference. Permit rules and fees change — confirm current requirements directly with Randall County Road and Bridge; Amarillo Area Public Health District Environmental Health before applying. Jaspector is not legal advice.