ADUs are allowed in RollaTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Rolla, MO
Is your property eligible for an ADU?
# of Parcels
6,744
Zoning districts
15
Avg Parcel Value
$43,151
Median Parcel Size
0.27 acres
Zoning Districts:
6,721 parcels · 15 districts
R-1
58%(3,866)
C-2
9%(620)
U-R
8%(559)
R-3
8%(526)
Other
17%(1,150)
ADU Rules
What can you build in Rolla, MO?
Rolla, 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 size of 800 sq ft of habitable area; units within an existing building may be larger.
Max Units
- –1 ADU per lot for single-family or two-family principal dwellings (attached or detached).
- –1 ADU per lot on commercial lots (attached or detached).
- –0 ADU per lot for multi-family principal uses.
Owner Occupancy
- –Property owner must live on the property.
Parking
- –0.66 spaces per ADU bedroom; no max. ADUs follow the general residential parking rate; off-site parking within 200 ft allowed; reductions include shared parking up to 10%, and in the C-C Center City District, off-site parking, resident parking passes, an impact fee (if adopted), or bicycle parking reducing vehicle spaces by up to 50%.
Rental Restrictions
- –Cannot rent both the ADU and the main dwelling separately; owner must reside on-site.
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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