ADU rules for Waterloo
Accessory Dwelling Unit (ADU) Rules for Waterloo, IA
Is your property eligible for an ADU?
# of Properties
30,352
Owner-occupied
67%
Zoning districts
28
Avg Home Value
$131,315
Median Lot Size
0.20 acres
Avg Income
$61,689
Residential Types:
30,352 housing units
Other
100%
Zoning Districts:
36,128 parcels · 28 districts
R-2
45%(16,357)
R-3
15%(5,561)
R-1
10%(3,497)
R-4
6%(2,097)
Other
24%(8,616)
ADU Rules
What can you build in Waterloo, IA?
Waterloo, IA 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
Parking
- –2 spaces per dwelling unit; no ADU-specific standard. No explicit maximum for ADUs; site-plan review may set a max in some districts. Exceptions: no more than 50% of required spaces may be garages; C-3 has no off-street parking; added unit spaces must be hard-surfaced.
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 Iowa municipalities
Rules change at the town line. Check the municipality your property is actually in.
Black Hawk County