Grayson County has limited jurisdiction over building permits, primarily focusing on unincorporated areas and specific infrastructure requirements. Incorporated cities like Sherman and Denison manage their own building, zoning, and permit processes. The county maintains oversight for floodplain development and septic system permitting in unincorporated areas.
How this fits with the state
The state authority here is Texas Department of Licensing and Regulation; Texas State Board of Plumbing Examiners. The county file does not replace that — it adds the permit office, local overlays, and the actual filing path.