5 county-level rules, plus city-specific rules for 5 cities in Tulsa County, Oklahoma.
Verified from official government sources
The Tulsa County Zoning Code (2024) Section 8 addresses accessory dwelling units and accessory storage in unincorporated areas. ADU regulations vary by zoning district. In AG districts, additional dwellings for agricultural workers may be permitted. Building permits are required from County Inspections. The Board of Adjustment may grant special exceptions for ADUs.
Tulsa County requires building permits for outbuildings in unincorporated areas. Permits are required for all property improvements including construction of outbuildings. The zoning code regulates setbacks and coverage by district. In AG districts, usual farm buildings for agricultural purposes are exempt from zoning restrictions. Allow 3-5 business days for permit processing.
Garage conversions in unincorporated Tulsa County require a building permit from County Inspections. The conversion must meet the adopted building code for habitable space standards. A change of occupancy review may be needed. If converting to an ADU, zoning code provisions under Section 8 apply. Agricultural buildings may have different requirements.
Tulsa County requires building permits for carports per Title 42 §70.020. Accessory-structure setbacks apply: typically 5 feet side, 10 feet rear, and behind front building line. Must meet 90 mph wind load per 2018 IRC for tornado-prone Oklahoma.
Tulsa County permits tiny homes on permanent foundations as dwellings under 2018 IRC Appendix Q (homes 400 sq ft or less). Tiny homes on wheels (THOW) are classified as RVs under Oklahoma Title 47 and cannot be used as permanent dwellings in most residential zones.
5 cities in Tulsa County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
5 verified rules • ADU Rules, Carport Rules
4 verified rules • ADU Rules, Carport Rules
4 verified rules • ADU Rules, Carport Rules
4 verified rules • ADU Rules, Carport Rules
4 verified rules • ADU Rules, Carport Rules
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