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ADUs are allowed in Tewksbury Township
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Tewksbury Township, NJ

Is your property eligible for an ADU?

# of Properties
2,136
Owner-occupied
75%
Zoning districts
14
Avg Home Value
$592,915
Median Lot Size
3.00 acres
Avg Income
$196,050
Residential Types:
2,136 housing units
Condos
3%
Other
97%
Zoning Districts:
2,828 parcels · 14 districts
HL
70%(1,973)
PM
8%(214)
VR
6%(171)
FP
5%(151)
Other
11%(319)

ADU Rules

What can you build in Tewksbury Township, NJ?

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

Interior / Attached ADU Size Limits

  • Maximum size of 900 sq ft for an internal/attached accessory apartment

Detached ADU Size Limits

  • Maximum size of 900 sq ft for detached ADUs permitted under affordable-housing conversions or farm employee accessory dwellings

Max Units

  • Single-family: 1 second dwelling unit per lot
  • Farm lots: 1 per 10 acres or 1 per 20 horse stalls; max 4 units; max 1 per accessory building

Owner Occupancy

  • No owner-occupancy required

Parking

  • Farm ADUs: off-street parking per Table 6.6 by bedrooms (2-bed 1.5; 3-bed 2.0; 4-bed 2.5; 5-bed 3.0). Accessory apartments: no stated minimum. If dwelling is within 100 ft of street line, expanded off-street parking is required; on-street credit (23 ft per space); garage/driveway credit counts as 2.0 spaces (1-car) or 3.5 spaces (2-car). No explicit maximum.

Rental Restrictions

  • Must be rented only to certified very-low/low/moderate-income households; 10-year deed restriction applies; renting to non-certified households not permitted during the term.

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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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.

Hunterdon County