ADUs are allowed in WhitefishTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Whitefish, MT
Is your property eligible for an ADU?
# of Properties
2,101
Owner-occupied
17%
Zoning districts
11
Avg Home Value
$866,418
Median Lot Size
0.03 acres
Avg Income
$79,700
Residential Types:
2,101 housing units
Single Family
31%
Apts (4+ units)
5%
Condos
64%
Other
1%
Zoning Districts:
27 parcels · 11 districts
R-3
26%(7)
SAG-10
22%(6)
SC
11%(3)
SAG-5
7%(2)
Other
33%(9)
ADU Rules
What can you build in Whitefish, MT?
Whitefish, 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
Interior / Attached ADU Size Limits
- –Maximum internal ADU size of 1,000 sq ft
- –Maximum internal ADU size of 75% of the primary building's gross floor area
Detached ADU Size Limits
- –Maximum ADU size of 1,000 sq ft
- –Maximum ADU size of 75% of the primary structure’s gross floor area
Max Units
- –1 ADU per lot (attached or detached) for single-family dwellings.
- –At most 1 total of either an ADU or a guesthouse per lot (not both).
- –0 ADUs on lots without a single-family primary dwelling.
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –0 space/ADU; no off-street parking beyond primary-dwelling requirement; on-site only; no off-site parking for single-family through fourplex
Rental Restrictions
- –STR allowed only in districts that permit STR and with required licensing; otherwise STRs prohibited.
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 Montana municipalities
Rules change at the town line. Check the municipality your property is actually in.
Flathead County