1 county-level rule, plus city-specific rules for 1 city in Bell County, Texas.
Verified from official government sources
Bell County does NOT have zoning authority over ADUs in unincorporated rural areas. Texas Local Government Code Chapter 233 limits county building authority to specific safety, flood, and subdivision matters; counties cannot impose general residential zoning. Bell County's Subdivision Regulations (most recently updated by Commissioners Court on December 2, 2024) govern lot creation but do not regulate ADU construction on an existing legally-platted lot. Properties inside the ETJ of Killeen, Belton, Temple, or Harker Heights follow that city's ADU rules.
1 cities in Bell County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
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Bell County Ordinance Hub →