FutureLot
ADU rules for Middletown

Accessory Dwelling Unit (ADU) Rules for Middletown, DE

Is your property eligible for an ADU?

# of Properties
9,914
Owner-occupied
65%
Zoning districts
16
Median Lot Size
0.19 acres
Avg Income
$130,687
Residential Types:
9,914 housing units
Other
100%
Zoning Districts:
10,094 parcels · 16 districts
R-3
46%(4,625)
R-2
20%(1,969)
R-1A
16%(1,582)
R-1B
11%(1,077)
Other
8%(841)

ADU Rules

What can you build in Middletown, DE?

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

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.

Check my property

How can we help you?

Get matched with trusted local builders
Understand what's allowed on your property
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

Browse addresses by ZIP in Middletown