ADUs are allowed in Washington Township (Morris)Types:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Washington Township (Morris), NJ
Is your property eligible for an ADU?
# of Properties
6,126
Owner-occupied
87%
Zoning districts
16
Avg Home Value
$436,125
Median Lot Size
1.18 acres
Avg Income
$175,251
Residential Types:
6,126 housing units
Other
100%
Zoning Districts:
7,286 parcels · 16 districts
R-5
55%(4,024)
R-1/R-2
21%(1,503)
R-1
9%(653)
PUD/R-2
6%(439)
Other
9%(667)
ADU Rules
What can you build in Washington Township (Morris), NJ?
Washington Township (Morris), NJ follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum internal apartment size of 25% of the principal building’s floor area in a single-family residence.
Detached ADU Size Limits
- –Maximum size of 800 sq ft
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –1 space/ADU beyond the 2 required for the dwelling; family-occupied ADUs have no numeric minimum and must demonstrate adequate off-street parking; no transit-based reductions stated
Rental Restrictions
- –Short-term/vacation rentals prohibited; no occupancy for less than 60 days. Affordable-restricted rentals must be rented to very-low-/low-/moderate-income tenants for 10 years with a deed restriction; unit must be the tenant’s principal residence (260+ days/year); written leases required and rents/fees regulated. Internal ADU occupancy limited to relatives; non-relatives cannot rent.
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.
Morris County
BoontonChatham TownshipChester BoroughDenville TownshipDoverEast Hanover TownshipFlorham Park BoroughHanover TownshipHarding TownshipJefferson TownshipKinnelon BoroughLincoln Park BoroughLong Hill TownshipMadison BoroughMendham BoroughMine Hill TownshipMontville TownshipMorris Plains BoroughMorristownMorris TownshipMountain Lakes BoroughMount Arlington BoroughMount Olive TownshipNetcong Borough