

ADU rules for University City
Accessory Dwelling Unit (ADU) Rules for University City, MO
Is your property eligible for an ADU?
# of Properties
11,973
Owner-occupied
70%
Zoning districts
27
Avg Home Value
$398,487
Median Lot Size
0.15 acres
Avg Income
$105,211
Residential Types:
12,685 housing units
Single Family
80%
2-3 Family
6%
Apts (4+ units)
15%
Zoning Districts:
13,018 parcels · 27 districts
SR
75%(9,817)
LR
7%(915)
MR
6%(764)
HR
4%(505)
Other
8%(1,017)
ADU Rules
What can you build in University City, MO?
University City, MO follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: Not addressed in the local bylaw
Parking
- –No explicit ADU parking minimum or maximum; for unlisted uses, the Zoning Administrator determines required spaces; citywide exceptions apply: 10% reduction within 500 ft of transit (excluding Loop Trolley); shared parking via CUP; off-site parking may be authorized.
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.
St. Louis County