ADU rules for Florissant
Accessory Dwelling Unit (ADU) Rules for Florissant, MO
Is your property eligible for an ADU?
# of Properties
19,805
Owner-occupied
69%
Zoning districts
32
Avg Home Value
$175,679
Median Lot Size
0.19 acres
Avg Income
$69,213
Residential Types:
19,857 housing units
Single Family
92%
Apts (4+ units)
7%
Zoning Districts:
20,817 parcels · 32 districts
R4
83%(17,304)
R3
4%(860)
R-6
3%(710)
R6
3%(694)
Other
6%(1,249)
ADU Rules
What can you build in Florissant, MO?
Florissant, 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
Owner Occupancy
- –No owner-occupancy requirement for ADUs.
Rental Restrictions
- –Renting of ADUs is prohibited; ADUs must have no kitchen and cannot be rented or used as separate dwellings.
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.
Check my propertyHow can we help you?
Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs
Is your property eligible for an ADU?
ADU rules in other Missouri municipalities
Rules change at the town line. Check the municipality your property is actually in.
St. Louis County