ADUs are allowed in JacksonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Jackson, WY
Is your property eligible for an ADU?
# of Properties
3,625
Owner-occupied
2%
Zoning districts
28
Avg Home Value
$1,780,141
Median Lot Size
0.11 acres
Avg Income
$140,851
Residential Types:
3,625 housing units
Residential
100%
Zoning Districts:
5,377 parcels · 28 districts
NM-2
13%(687)
NH-1
11%(585)
CR-3
11%(581)
PUD-NL-3
10%(536)
Other
56%(2,988)
ADU Rules
What can you build in Jackson, WY?
Jackson, 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 800 sq ft of habitable floor area for an internal or attached in-home apartment.
Detached ADU Size Limits
- –Maximum habitable area for a detached accessory unit: 500 sq ft on small lots (under 18,000 sq ft in NL-1/NL-2; under 11,250 sq ft in NL-3/NL-4/NM-1), otherwise 800 sq ft.
Max Units
- –NL-1 to NL-3: 1 ARU per lot; NM-1: ≥7,500 sf = 2 ARUs per lot, <7,500 sf = 1 ARU per lot (duplexes may have ARUs only with two street frontages or a street and an alley). NL-5: 2 ARUs per lot, total dwelling units on the lot capped at 3 (or 4 if all are deed restricted).
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –1 space per bedroom (ADU); on-site/off-street parking required; off-site via shared parking within 1,000 ft allowed; on-street/fee-in-lieu credits do not apply to ARUs; Planning Director may reduce; 1 EVSE-capable space per ARU required.
Rental Restrictions
- –No rentals under 30 days unless the unit is an STR; STRs in residential zones are capped at 3 rentals and 60 days/year, require a Basic Use Permit, neighbor notice, and a business license (BUP expires annually; violations trigger a 5-year STR ban).
- –Only one STR unit per lot; if the principal dwelling is an STR, the ADU cannot also be an STR (and vice versa).
- –ARU occupancy is limited to Teton County employees, or members of the same household, or intermittent nonpaying guests; rentals must be to local employees.
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 Wyoming municipalities
Rules change at the town line. Check the municipality your property is actually in.
Teton County