FutureLot
ADUs are allowed in Lewes
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Lewes, DE

Is your property eligible for an ADU?

# of Parcels
3,885
Zoning districts
28
Avg Parcel Value
$1,055,725
Zoning Districts:
4,063 parcels · 28 districts
R-2
23%(943)
R-3
21%(848)
R-4-H
14%(584)
R-5
14%(570)
Other
28%(1,118)

ADU Rules

What can you build in Lewes, DE?

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

Detached ADU Size Limits

  • Maximum first-floor area for a detached accessory dwelling unit is 900 sq ft.

Max Units

  • 1 ADU per lot

Owner Occupancy

  • Owner must reside on site in either the primary dwelling or ADU

Parking

  • 1 space/ADU; no off-street parking required within the Town Center, Town Center (Historic), or Cultural/Historic Districts

Rental Restrictions

  • ADU shall not be sublet; ADU shall not be used as a short-term rental.

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.

Sussex County

Browse addresses by ZIP in Lewes