FutureLot
ADU rules for Riverdale Borough

Accessory Dwelling Unit (ADU) Rules for Riverdale Borough, NJ

Is your property eligible for an ADU?

# of Properties
1,823
Owner-occupied
77%
Zoning districts
20
Avg Home Value
$599,646
Median Lot Size
0.35 acres
Avg Income
$103,230
Residential Types:
1,823 housing units
Other
100%
Zoning Districts:
1,965 parcels · 20 districts
MF-1
29%(564)
R-7.5
28%(547)
PRD
9%(175)
ARD
8%(148)
Other
27%(531)

ADU Rules

What can you build in Riverdale Borough, NJ?

Riverdale Borough, NJ follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Rental Restrictions

  • Accessory apartments are subject to affordability controls for a period of at least 10 years; 30 years if receiving a rental bonus credit.

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.

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 New Jersey municipalities

Rules change at the town line. Check the municipality your property is actually in.

Morris County

Browse addresses by ZIP in Riverdale Borough