ADUs are allowed in Sea Isle CityTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Sea Isle City, NJ
Is your property eligible for an ADU?
# of Properties
761
Owner-occupied
12%
Zoning districts
13
Avg Home Value
$229,329
Median Lot Size
0.13 acres
Avg Income
$105,928
Residential Types:
761 housing units
Single Family
100%
Zoning Districts:
13,274 parcels · 13 districts
R2
65%(8,677)
P2
11%(1,420)
P1
6%(776)
C1
5%(617)
Other
13%(1,784)
ADU Rules
What can you build in Sea Isle City, NJ?
Sea Isle City, NJ 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
Parking
- –2 spaces/ADU if <1,500 sq ft; 3 spaces/ADU if ≥1,500 sq ft; no ADU-specific standards or waivers; general residential parking applies if treated as a dwelling unit (§26-23.8).
ADU State Law
What can you build in New Jersey?
- –New Jersey does not have a statewide ADU mandate; ADU rules are set by individual municipalities.
- –Building/fire codes are set statewide, but whether an ADU is allowed is local zoning.
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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ADU rules in other New Jersey municipalities
Rules change at the town line. Check the municipality your property is actually in.
Cape May County