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County building permits

Unincorporated Sutton County

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

Last verified
April 2026
On this page 5
§ 01

Permit authority

Sutton County On Site Sewage Facility / Designated Representative; Sutton County Commissioners Court

Street address
300 E Oak St, Sonora, TX 76950 (County Courthouse); OSSF: 4826 Red Oak Ln., San Angelo, TX 76904
Coverage
Unincorporated areas of Sutton County only. County does not maintain a general countywide building permit program. Published controls are narrower: OSSF permitting, subdivision/plat approvals, and 911 addressing.
§ 02

When a permit is required

Permit triggers and exempt work for Sutton County

Unincorporated Sutton County does not publish a general countywide building permit requirement for ordinary private construction. Verified county permit or approval controls posted online are: OSSF permits, subdivision/plat approvals, and 911 address assignment.

Building code
County defers to State of Texas. Recommends ICC International Building Codes. No enforced general building code program in place.
Contractor requirements
Texas state licensing governs state-licensed trades. OSSF work must route through the county's designated OSSF representative structure.
§ 03

Application process

Application → plan check → issuance → inspection → final

  1. 01
    Confirm the parcel is in unincorporated Sutton County and not inside Sonora city limits.
  2. 02
    Determine which county-controlled approval applies: OSSF permitting, subdivision/plat approval, or 911 address assignment.
  3. 03
    If the project uses an on-site sewage facility, contact the county Designated Representative, Charles McDonald, and complete the posted OSSF application packet.
  4. 04
    If the project involves dividing land, use the county subdivision regulations and Commissioners Court process for plat review and approval.
  5. 05
    If a new addressed site or private road is involved, coordinate 911 address assignment through the county / CVCOG 911 program.
  6. 06
    Complete any required county review or inspection tied to the specific county program involved.

Source: Sutton County On Site Sewage Facility / Designated Representative; Sutton County Commissioners Court ↗

§ 04

Required inspections

Scheduling and sequence

How to schedule
  • County main: (325) 387-2711; OSSF direct: (325) 456-4607 (phone)
  • County Courthouse, 300 E Oak St, Sonora, TX 76950 (in-person)
§ 05

Frequently asked

Common questions about unincorporated Sutton County permits

01 Do I need a building permit in unincorporated Sutton County, TX?
Unincorporated Sutton County does not publish a general countywide building permit requirement for ordinary private construction. Verified county permit or approval controls posted online are: OSSF permits, subdivision/plat approvals, and 911 address assignment.
02 How do I apply for a building permit in unincorporated Sutton County, TX?
To apply for a building permit in unincorporated Sutton County, TX, follow these steps: 1. Confirm the parcel is in unincorporated Sutton County and not inside Sonora city limits. 2. Determine which county-controlled approval applies: OSSF permitting, subdivision/plat approval, or 911 address assignment. 3. If the project uses an on-site sewage facility, contact the county Designated Representative, Charles McDonald, and complete the posted OSSF application packet. 4. If the project involves dividing land, use the county subdivision regulations and Commissioners Court process for plat review and approval. 5. If a new addressed site or private road is involved, coordinate 911 address assignment through the county / CVCOG 911 program. 6. Complete any required county review or inspection tied to the specific county program involved.
03 How do I schedule a building inspection in unincorporated Sutton County, TX?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Sutton County, TX via: County main: (325) 387-2711; OSSF direct: (325) 456-4607, County Courthouse, 300 E Oak St, Sonora, TX 76950.

Educational reference. Permit rules and fees change — confirm current requirements directly with Sutton County On Site Sewage Facility / Designated Representative; Sutton County Commissioners Court before applying. Jaspector is not legal advice.