ADUs are allowed in Unincorporated TulsaTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Tulsa, OK
Is your property eligible for an ADU?
# of Parcels
23,415
Zoning districts
69
Avg Parcel Value
$229,850
Median Parcel Size
1.54 acres
Zoning Districts:
31,715 parcels · 69 districts
AG
33%(10,536)
RS-3
23%(7,140)
RE
8%(2,676)
RM-2
7%(2,134)
Other
29%(9,229)
ADU Rules
What can you build in Unincorporated Tulsa, OK?
Unincorporated Tulsa, OK follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size of 750 sq ft or 40% of the principal dwelling’s floor area, whichever is greater
Detached ADU Size Limits
- –Maximum ADU floor area of 750 sq ft or 40% of the principal dwelling’s floor area, whichever is greater.
Owner Occupancy
- –Owner-occupancy not required.
Parking
- –No ADU-specific minimum or maximum parking; accessory buildings exempt from Table 10-1 minimums; residential parking may not be off-site; tandem spaces may count if assigned to the same dwelling unit.
Rental Restrictions
- –Short-term rentals allowed only if the ADU is the primary residence; each rental may not exceed 29 consecutive days; additional STR conditions apply (guest register, no on-site events, no exterior changes).
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other Oklahoma municipalities
Rules change at the town line. Check the municipality your property is actually in.
Tulsa County