ADUs are allowed in South GallatinTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for South Gallatin, MT
Is your property eligible for an ADU?
# of Parcels
418
Avg Parcel Value
$227,192
Median Parcel Size
316.44 acres
ADU Rules
What can you build in South Gallatin, MT?
South Gallatin, 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
- –RF District: 1 guest house per single-family dwelling (conditional use)
Rental Restrictions
- –Guest houses shall not be offered for rent or sale as an individual 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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ADU rules in other Montana municipalities
Rules change at the town line. Check the municipality your property is actually in.
Gallatin County
Bear CanyonBig SkyBozemanBozeman PassBridger CanyonEast GallatinFour CornersGallatin County / Bozeman AreaHebgen LakeHyaliteMiddle CottonwoodNorth GallatinReese CreekRiver RockSouth Cottonwood CanyonSpringhillSypes Canyon 1Sypes Canyon 2Trail CreekUnincorporated GallatinWheatland HillsZoning District 1Zoning District 6