

ADU rules for Delaware City
Accessory Dwelling Unit (ADU) Rules for Delaware City, DE
Is your property eligible for an ADU?
# of Properties
880
Owner-occupied
27%
Zoning districts
10
Median Lot Size
0.14 acres
Avg Income
$86,583
Residential Types:
880 housing units
Residential
100%
Zoning Districts:
901 parcels · 10 districts
R-1
66%(597)
C-1
11%(95)
HPR
10%(93)
R-2
5%(49)
Other
7%(67)
ADU Rules
What can you build in Delaware City, DE?
Delaware City, DE 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
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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Learn the key rules and size limits for ADUs
Is your property eligible for an ADU?
ADU rules in other Delaware municipalities
Rules change at the town line. Check the municipality your property is actually in.
New Castle County