ADU rules for Unincorporated Twin Falls
Accessory Dwelling Unit (ADU) Rules for Unincorporated Twin Falls, ID
Is your property eligible for an ADU?
# of Parcels
17,688
Zoning districts
29
Zoning Districts:
17,641 parcels · 29 districts
A
34%(5,999)
RR
23%(4,029)
AP
16%(2,903)
AOI
16%(2,738)
Other
11%(1,972)
ADU Rules
What can you build in Unincorporated Twin Falls, ID?
Unincorporated Twin Falls, ID follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: Not addressed in the local bylaw
Owner Occupancy
- –No owner-occupancy requirement for ADUs.
Parking
- –2 spaces per dwelling unit (ADUs treated as dwellings); no ADU-specific exceptions; off-street spaces 9' x 20'; parking for two+ buildings may be combined on an adjacent lot; zone references back to Chapter 11
Rental Restrictions
- –Detached and attached ADUs (guesthouses) may not be used as rental property.
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 Idaho municipalities
Rules change at the town line. Check the municipality your property is actually in.
Twin Falls County