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ADU rules for Grimes

Accessory Dwelling Unit (ADU) Rules for Grimes, IA

Is your property eligible for an ADU?

# of Properties
5,136
Owner-occupied
83%
Zoning districts
15
Avg Home Value
$359,517
Median Lot Size
0.23 acres
Avg Income
$127,345
Residential Types:
5,136 housing units
Other
100%
Zoning Districts:
6,718 parcels · 15 districts
R-4
24%(1,591)
R-2
21%(1,411)
R2-70
13%(892)
R-3
13%(883)
Other
29%(1,941)

ADU Rules

What can you build in Grimes, IA?

Grimes, IA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Parking

  • No ADU-specific parking minimum or maximum; Governors District exempts minimums; to exceed the maximum surface parking by more than 25%, you must demonstrate need.

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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Is your property eligible for an ADU?

ADU rules in other Iowa municipalities

Rules change at the town line. Check the municipality your property is actually in.

Dallas County

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