Accessory Structures in Union City, NJ (2026)
4 verified accessory structures rules for Union City, New Jersey, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Union City allows ADUs under the 2024 NJ ADU mandate (N.J.S.A. 52:27D-123.16, effective 2025) and Chapter 223 (LDO). ADUs are permitted by right on lots with single or two-family homes. Chapter 223 provides local ADU implementation standards including building permits and Certificate of Occupancy.
Union City ADU (Accessory Dwelling Unit) Rules
Some RestrictionsShed Rules
Sheds in Union City require zoning and building permits under Chapter 223 (LDO) and Chapter 426. Given Union City's extremely small lot sizes, sheds are rarely feasible. Sheds must comply with setback requirements and may not be placed in front yards.
Union City Shed & Outbuilding Rules
Heavy RestrictionsGarage Conversions
Garage conversions in Union City require building permits and zoning approval under Chapter 223 and Chapter 426. Conversions to ADUs are covered by the 2024 NJ ADU mandate. Certificate of Occupancy required before occupying converted space.
Union City Garage Conversion Rules
Some RestrictionsCarport Rules
Carports in Union City are regulated as accessory structures under Chapter 223 (Land Development), originally adopted Nov. 4, 2019, and the New Jersey Uniform Construction Code (N.J.A.C. 5:23). Permitted accessory buildings must have a building footprint of less than 1,000 square feet and may not be placed where not allowed by the underlying zoning district; a zoning permit and a UCC building permit are required. Given Union City's extreme density and tiny lot sizes - among the highest densities in the United States - free-standing carports are very rarely feasible.
Carport Rules in Union City
Heavy RestrictionsLooking for Hudson County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Union City city rules.
Accessory Structures in Hudson County →