ADUs are allowed in Post FallsTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Post Falls, ID
Is your property eligible for an ADU?
# of Parcels
16,148
Zoning districts
20
Avg Parcel Value
$598,177
Median Parcel Size
0.20 acres
Zoning Districts:
16,152 parcels · 20 districts
R-1
70%(11,341)
CCS
7%(1,066)
R-2
6%(984)
I
3%(538)
Other
14%(2,223)
ADU Rules
What can you build in Post Falls, ID?
Post Falls, ID 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 of 1,000 sq ft for an internal accessory dwelling unit.
- –Maximum size of 50% of the primary residence’s living area for an internal accessory dwelling unit.
Detached ADU Size Limits
- –Maximum size of 1,000 sq ft for a detached ADU.
- –Maximum size of 50% of the primary residence’s living area for a detached ADU.
Max Units
- –1 ADU per lot (single-family; attached or detached)
Owner Occupancy
- –One of the two dwellings must be owner-occupied.
Parking
- –1 space/ADU; no max specified; exceptions: no separate drive approach unless from a rear alley or side street on a corner lot; spaces for detached residential uses must be on the same lot; spaces in garages/carports count toward the requirement
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.
Kootenai County