County Building Permits
Collin County, TX - 2026 Building Permit Guide
Building permit information for unincorporated Collin County and all incorporated cities. Find your jurisdiction's permit authority, application process, fees, and requirements.
Important: Collin 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 Collin County
- Permit authority
- Collin County Development Services
- Online portal
- Collin County Citizen Self-Service (CSS) Portal
- Phone
- 972-548-5585
Jurisdictions in Collin 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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