

ADUs are allowed in DoverTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Dover, DE
Is your property eligible for an ADU?
# of Properties
10,776
Owner-occupied
66%
Zoning districts
36
Avg Home Value
$248,068
Median Lot Size
0.19 acres
Avg Income
$67,653
Residential Types:
10,776 housing units
Single Family
86%
Apts (4+ units)
1%
Other
13%
Zoning Districts:
12,295 parcels · 36 districts
R-8
32%(3,947)
RM-1
17%(2,038)
R-10
9%(1,065)
RG-1
7%(921)
Other
35%(4,324)
ADU Rules
What can you build in Dover, DE?
Dover, DE follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Conditional Use Permit
Max Units
- –PND: 1 ADU per detached single-family house/lot.
Owner Occupancy
- –Owner-occupancy not required.
Parking
- –No explicit ADU parking minimum or maximum; Downtown Redevelopment Target Area has no minimum off-street parking; elsewhere, reductions up to 50% may be approved for transportation/parking alternatives.
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 Delaware municipalities
Rules change at the town line. Check the municipality your property is actually in.
Kent County