ADUs are allowed in Unincorporated TetonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Teton, WY
Is your property eligible for an ADU?
# of Properties
8,309
Owner-occupied
20%
Zoning districts
27
Avg Home Value
$4,251,272
Median Lot Size
1.02 acres
Avg Income
$156,387
Residential Types:
8,309 housing units
Residential
100%
Zoning Districts:
9,958 parcels · 27 districts
R3
29%(2,839)
PR
13%(1,271)
NC
12%(1,223)
PUD R3
12%(1,218)
Other
34%(3,407)
ADU Rules
What can you build in Unincorporated Teton, WY?
Unincorporated Teton, WY 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 size: 500 sq ft in AR-TC; otherwise 1,000 sq ft if accessory to residential use or 850 sq ft if accessory to nonresidential use.
Detached ADU Size Limits
- –Maximum 1,000 sq ft (gross, including basement) when accessory to residential use in NR-1, WHB, R-1, R-3, and R-TC; and 850 sq ft (gross, including basement) when accessory to nonresidential use in NR-1, R-2, and R-3.
- –With an approved Floor Area Option in R-1, R-2, WHB, or R-TC, maximum 5,000 sq ft (gross, including basement).
Max Units
- –Residential ARUs (AC-TC/AR-TC): max 2 per lot; if 2, one attached to the primary structure and one detached; if 1, attached or detached.
- –NR-1, R-3, R-TC: max 1 ARU per detached single-family unit; R-2: none specified.
- –Development options: Floor Area Option: up to 2 ARUs per 35 ac GSA; WHB Option: 1 duplex + 2 ARUs per 3 ac.
Parking
- –1.25 spaces per ADU; Planning Director may grant Administrative Adjustment to reduce the requirement; shared parking may reduce totals (up to 100% of nonresidential spaces) with on-site Affordable Workforce Housing or ARUs.
Rental Restrictions
- –Minimum ARU rental term: 90 days; no rentals under 31 days.
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 Wyoming municipalities
Rules change at the town line. Check the municipality your property is actually in.
Teton County