County Building Permits
Trinity County, TX - 2026 Building Permit Guide
Building permit information for unincorporated Trinity County and all incorporated cities. Find your jurisdiction's permit authority, application process, fees, and requirements.
Important: Trinity County issues building permits only for properties in unincorporated areas of the county. If your property is inside an incorporated city, select your city below — that city's building department handles your permits, not the county.
Unincorporated Trinity County
- Permit authority
- Trinity County (County Judge's Office, Commissioners Court, Commissioners' Office, 911 Addressing and GIS Mapping)
- Online portal
- Trinity County Environment and Septic
- Phone
- 936-642-1746 (County Judge's Office and OSSF); 936-642-2743 (Commissioners); 936-642-3904 (911 Addressing)
- 911map@co.trinity.tx.us
- Address
- Trinity County Courthouse, 162 West 1st St, Groveton, TX 75845
Jurisdictions in Trinity County
Select your jurisdiction for local permit authority, portal links, application steps, fees, and inspection requirements.
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the relevant city or county department before applying.
Related Texas Resources
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