Accessory Structures in New Brunswick, NJ (2026)
3 verified accessory structures rules for New Brunswick, New Jersey, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
New Jersey's ADU mandate (N.J.S.A. 52:27D-123.16, 2024) requires New Brunswick to allow ADUs by right on lots with single- or two-family homes. Owner-occupancy cannot be required. Min ADU size 850 sq ft cannot be restricted.
New Brunswick ADU (Accessory Dwelling Unit) Rules
Few RestrictionsShed Rules
Accessory structures require permits under N.J.A.C. 5:23 (NJ UCC). Structures under 200 sq ft on skids may be exempt in some NJ municipalities. Setbacks governed by New Brunswick Title 17 zoning.
New Brunswick Shed & Outbuilding Rules
Some RestrictionsGarage Conversions
Garage conversions require building permits under N.J.A.C. 5:23 and must comply with New Brunswick's zoning code. May qualify as an ADU under the 2024 NJ ADU mandate.
New Brunswick Garage Conversion Rules
Some RestrictionsLooking for Middlesex County county-wide rules?
County ordinances apply to unincorporated areas and may supplement New Brunswick city rules.
Accessory Structures in Middlesex County →