ADUs are allowed in EagleTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Eagle, ID
Is your property eligible for an ADU?
# of Properties
12,624
Owner-occupied
85%
Zoning districts
57
Avg Home Value
$837,399
Median Lot Size
0.26 acres
Avg Income
$131,277
Residential Types:
12,624 housing units
Other
100%
Zoning Districts:
17,300 parcels · 57 districts
R-2-DA-P
18%(3,125)
R-4
17%(2,897)
MU-DA
12%(2,068)
R-2-P
12%(2,058)
Other
41%(7,152)
ADU Rules
What can you build in Eagle, ID?
Eagle, 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 ADU size by lot: 500 sq ft (5,000–7,499 sf), 640 sq ft (7,500–16,999 sf), 800 sq ft (17,000–39,999 sf), or 1,200 sq ft (40,000+ sf). Lots under 17,000 sf require DA or PUD approval.
Detached ADU Size Limits
- –Maximum detached ADU size by lot area: 500 sq ft (5,000–7,499), 640 sq ft (7,500–16,999), 800 sq ft (17,000–39,999), 1,200 sq ft (≥40,000).
Parking
- –2 spaces/ADU (including 1 covered) plus 0.25 guest space; rounding up; detached residential uses parking must be on the same lot; garages shall not be used for household storage.
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.
Ada County