Accessory Structures in Douglas County, NE (2026)
2 county-level rules, plus city-specific rules for 1 city in Douglas County, Nebraska.
Verified from official government sources
ADU Rules
In unincorporated Douglas County, an accessory dwelling unit is allowed by right in the AG, RR and R-1 districts if its footprint is 75% or less of the principal home's first-floor living area; Omaha's own code governs ADUs inside city limits.
Douglas County Accessory Dwelling Unit Rules
Some RestrictionsDouglas County Zoning Regulations § 5.03(C)
An accessory dwelling unit (ADU) is allowed by right when the ADU’s building footprint is 75% of the first floor living area of the PDU or less in the AG, RR or R-1 zoning districts. 1. Conditions: The following conditions apply to all ADU’s: Page 7 of 109 a. The accessory dwelling unit shall fit within the building envelope of the lot and located in the rear yard; must use the same materi...
Shed & Carport Rules
In unincorporated Douglas County, a shed or other accessory building can't exceed 20% of the rear yard, can't be lived in, and needs a signed non-conversion agreement before a building permit issues.
Douglas County Shed & Accessory Building Rules
Some RestrictionsDouglas County Zoning Regulations § 6.02(A)(7)
a. No accessory building shall be constructed upon a lot until construction of the main building has commenced. b. Accessory buildings shall not be used for human habitation or occupancy. d. Accessory building size shall be limited to no more than 20% of the rear yard. e. All applicants for accessory structure building permits shall sign a non-conversion agreement. That non-conversion agreement...
Accessory Structures by City in Douglas County
1 cities in Douglas County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
All Douglas County ordinances
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