ADUs are allowed in Unincorporated LakeTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Lake, MT
Is your property eligible for an ADU?
# of Properties
279
Owner-occupied
13%
Zoning districts
2
Avg Home Value
$291,311
Median Lot Size
0.06 acres
Avg Income
$68,947
Residential Types:
279 housing units
Single Family
5%
Apts (4+ units)
3%
Condos
82%
Other
11%
Zoning Districts:
3 parcels · 2 districts
CIZD
67%(2)
LRZD
33%(1)
ADU Rules
What can you build in Unincorporated Lake, MT?
Unincorporated Lake, MT 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
Max Units
- –Single-family lots: 1 ADU per lot (either 1 internal/attached accessory apartment or 1 detached ADU, not both).
- –Commercial/industrial lots: 1 ADU per lot (owner/manager/guard dwelling; customary accessory use).
- –Duplex/multifamily lots: ADUs not allowed.
Owner Occupancy
- –Landowner must occupy one dwelling (principal or ADU).
Parking
- –1 off-street space per ADU; no separate access to public streets; required parking within 100 ft of the dwelling served (Appendix E standards).
Rental Restrictions
- –Short-term rentals (<30 days) prohibited.
- –Only one unit may be rented at a time; the other must be owner-occupied.
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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