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ADUs are allowed in Kalispell
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Kalispell, MT

Is your property eligible for an ADU?

# of Properties
2,487
Owner-occupied
41%
Zoning districts
37
Avg Home Value
$655,543
Median Lot Size
0.09 acres
Avg Income
$68,991
Residential Types:
2,487 housing units
Single Family
61%
Apts (4+ units)
17%
Condos
18%
Other
4%
Zoning Districts:
12,840 parcels · 37 districts
R-4
29%(3,785)
R-3
23%(2,909)
RA-1
11%(1,401)
R-2/PUD
5%(662)
Other
32%(4,083)

ADU Rules

What can you build in Kalispell, MT?

Kalispell, MT follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Detached ADU Size Limits

  • Maximum detached ADU living area of 1,000 sq ft.
  • Maximum size of a detached accessory structure (including a detached ADU) is 1,000 sq ft.

Max Units

  • B-1, B-2, B-3, B-4: 1 ADU per lot (total of 2 dwelling units per lot)
  • R-4, R-5, RA-1, RA-2, H-1: 1 ADU per lot with an administrative conditional use permit (total of 2 dwelling units per lot)

Owner Occupancy

  • There is no owner-occupancy requirement.

Parking

  • 2 spaces per ADU (on the same lot); B-3 zone: 50% reduction (to 1); Downtown Parking District No. 3: no off-street parking; bike racks may reduce by 1 space per rack (>=5 bikes), up to 5%

Rental Restrictions

  • Rental periods of less than 30 days are not permitted for the accessory dwelling unit.

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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Is your property eligible for an ADU?

ADU rules in other Montana municipalities

Rules change at the town line. Check the municipality your property is actually in.

Flathead County

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