

ADUs are allowed in North LibertyTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for North Liberty, IA
Is your property eligible for an ADU?
# of Properties
8,275
Owner-occupied
66%
Zoning districts
24
Avg Home Value
$295,025
Median Lot Size
0.32 acres
Avg Income
$116,027
Residential Types:
8,275 housing units
Other
100%
Zoning Districts:
9,139 parcels · 24 districts
RS-4
17%(1,534)
RS-6
17%(1,512)
RD-10
13%(1,213)
RM-8
11%(994)
Other
43%(3,886)
ADU Rules
What can you build in North Liberty, IA?
North Liberty, IA 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 is the larger of 1,000 sq ft or 50% of the principal dwelling’s living area.
Detached ADU Size Limits
- –Maximum size is the larger of 1,000 sq ft or 50% of the residence’s assessed living area; applies to detached ADUs.
Max Units
- –1 ADU per property
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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Learn the key rules and size limits for ADUs
Is your property eligible for an ADU?
ADU rules in other Iowa municipalities
Rules change at the town line. Check the municipality your property is actually in.
Johnson County