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New Jersey Zoning & Land Use Guide

Last updated: Verified:

Comprehensive guide to New Jersey zoning laws, building codes, and land use regulations.

Key Facts

  • Building Code: NJ Uniform Construction Code (based on 2021 IBC)
  • State ADU Law: Varies by city
  • ADU Details: New Jersey does not have an explicit statewide ADU mandate, though its affordable housing obligations under the Mount Laurel doctrine and Fair Housing Act influence local housing policies including accessory unit allowances.

Cities in New Jersey