ADUs are allowed in LibertyTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Liberty, MO
Is your property eligible for an ADU?
# of Properties
8,914
Owner-occupied
83%
Zoning districts
43
Avg Home Value
$264,836
Median Lot Size
0.26 acres
Avg Income
$99,156
Residential Types:
8,914 housing units
Single Family
3%
2-3 Family
95%
Other
2%
Zoning Districts:
11,043 parcels · 43 districts
R-1C
64%(7,111)
RNC
9%(962)
PD
7%(766)
R-2
5%(563)
Other
15%(1,641)
ADU Rules
What can you build in Liberty, MO?
Liberty, MO 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
Detached ADU Size Limits
- –Maximum detached ADU footprint by lot size: 800 sq ft (<0.5 ac), 1,000 sq ft (0.5–1 ac), 1,500 sq ft (>1–<3 ac), or 2,500 sq ft total on lots ≥3 ac; exemption for Agricultural (A) zone.
- –Detached ADU may not be larger than the primary structure.
Max Units
- –1 ADU per lot in districts A, R-1A, RNC, RN, and MU
Owner Occupancy
- –Accessory apartments must be secondary to an owner-occupied dwelling.
Parking
- –2 spaces per ADU; no off-street parking in CBD/MU; up to 30% may be shared or off-site within 500 ft
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 Missouri municipalities
Rules change at the town line. Check the municipality your property is actually in.
Clay County