

ADUs are allowed in Unincorporated DouglasTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Douglas, KS
Is your property eligible for an ADU?
# of Properties
6,014
Owner-occupied
80%
Zoning districts
13
Median Lot Size
6.68 acres
Avg Income
$103,622
Residential Types:
6,014 housing units
Residential
100%
Zoning Districts:
9,209 parcels · 13 districts
AG-2
48%(4,381)
AG-1
38%(3,481)
CP
12%(1,097)
LS
1%(67)
Other
2%(183)
ADU Rules
What can you build in Unincorporated Douglas, KS?
Unincorporated Douglas, KS 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 1,000 sq ft; may increase up to 1,400 sq ft if not more than 80% of the primary dwelling’s floor area.
Detached ADU Size Limits
- –Maximum 1,000 sq ft; may increase up to 1,400 sq ft only when the proposed ADU is no more than 80% of the primary dwelling’s floor area.
Owner Occupancy
- –Property owner must occupy either the principal dwelling or ADU
Parking
- –1 space/ADU; off-site spaces allowed within 300 ft of the main entrance; otherwise on the same lot; not allowed in required front-yard setbacks in residential districts; ADA parking exempt for single-family dwellings; ADU must share a common driveway with the principal dwelling unless a separate entrance is approved
Rental Restrictions
- –ADU occupancy limited to a relative/family member, caregiver, or farm employee for at least 3 years after the certificate of occupancy; renting to unrelated tenants during that period prohibited. Vacation Rentals must be registered prior to operation; no more than 1 Vacation Rental per dwelling; stays under 30 days allowed only as a registered VR.
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 Kansas municipalities
Rules change at the town line. Check the municipality your property is actually in.
Douglas County