ADUs are allowed in HyaliteTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Hyalite, MT
Is your property eligible for an ADU?
# of Parcels
708
Zoning districts
3
Avg Parcel Value
$1,174,784
Median Parcel Size
1.33 acres
Zoning Districts:
711 parcels · 3 districts
R-X
63%(446)
RR-5
35%(250)
RR-10
2%(15)
ADU Rules
What can you build in Hyalite, MT?
Hyalite, 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 area of 1,200 sq ft for an internal or attached accessory apartment
Detached ADU Size Limits
- –Maximum size of 1,200 sq ft for an accessory apartment used as a detached ADU (e.g., within or added to a detached garage).
- –Maximum size of 800 sq ft on lots up to 5 acres; 1,500 sq ft on lots over 5 acres for a detached guest house.
Max Units
- –1 per lot (accessory apartment, internal/attached); 1 per parcel (guest house, detached)
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –1 space/ADU; off-street parking required; no max or waivers noted
Rental Restrictions
- –Detached ADU guest house cannot be leased to the general public.
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 LakeMiddle CottonwoodNorth GallatinReese CreekRiver RockSouth Cottonwood CanyonSouth GallatinSpringhillSypes Canyon 1Sypes Canyon 2Trail CreekUnincorporated GallatinWheatland HillsZoning District 1Zoning District 6