Accessory Structures in Tulsa, OK (2026)
3 verified accessory structures rules for Tulsa, Oklahoma, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Tulsa allows ADUs like garage apartments and carriage houses, but RE, RS, AG, and AG-R lots need Board of Adjustment special exception approval first; other zoning districts allow them by right, capped at one per lot.
Tulsa Accessory Dwelling Unit Rules
Significant RestrictionsTulsa Revised Ordinances, Title 42 (Tulsa Zoning Code), § 45.031
A dwelling unit that is located in an accessory building on the same lot as a household living use to which it is accessory and subordinate. Examples of ADUs include carriage houses, garage apartments, and mother-in-law flats. B.Purpose.1.The purpose of allowing accessory dwelling units is to:a.Accommodate new housing units while preserving the character of existing neighborhoods;b.Allow ef...
Shed & Carport Rules
Detached sheds and other accessory buildings on Tulsa residential lots are capped at 750 sq ft in RE/RS-1 districts or 500 sq ft in RS-2 through RM districts, unless 40% of the house's floor area is larger.
Tulsa Shed Size Limits
Some RestrictionsTulsa Zoning Code § 45.030.A.1
In RE and RS-1 districts, the total aggregate floor area of all detached accessory buildings not erected as an integral part of the principal residential building may not exceed 750 square feet or 40% of the floor area of the principal residential structure, whichever is greater. [1] [2]2.RS-2, RS-3, RS-4, RS-5, RD, RT, and RM Districts. In RS-2, RS-3, RS-4, RS-5, RD, RT, and RM districts, the ...
Tiny Homes
Tulsa's Building Code adopts IRC Appendix Q, allowing free-standing tiny houses of 400 square feet or less to meet relaxed ceiling height, stairway, and loft standards instead of full residential code minimums.
Tulsa Tiny House Building Standards
Some RestrictionsTulsa Revised Ordinances, Title 51, Ch. 2 (IRC 2018), Appendix Q, §§ AQ101.1, AQ102.1
AQ101.1 Scope. This appendix shall be applicable to tiny houses used as single dwelling units. Tiny houses shall comply with this code except as otherwise stated in this appendix. SECTION AQ102. - DEFINITIONS. AQ102.1 General. The following words and terms shall, for the purposes of this appendix, have the meanings shown herein. Refer to Chapter 2 of this code for general definitions. ...