Union Township

Hunterdon County

TextClient checklist

Certificate of Occupancy

Not required
Phone
908-735-8027 x19

Smoke and CO alarm certificate

Required
Requirements
  • Smoke alarm on each level, including basements (not crawl spaces or unfinished attics), and outside each separate sleeping area
  • Carbon monoxide alarm outside each separate sleeping area, within 10 feet of bedrooms
  • All alarms in working order; AC powered or interconnected alarms in homes built after January 1977 must be kept working
  • Portable fire extinguisher within 10 feet of the kitchen (form still lists it)

NJ Department of Community Affairs, Division of Fire Safety, Bureau of Fire Code Enforcement (state-enforced town)

Fees
State smoke/CO certificate (N.J.A.C. 5:70-2.9(d)), received more than 10 business days before the change of occupant$45.00
Received four to 10 business days before$90.00
Received fewer than four business days before$161.00
Timing
State fee tiers count business days between the Division's receipt of the application and the closing date: more than ten business days for the lowest fee. Per the DCA form, a new application is needed if the change of occupant does not happen within 6 months.
Phone
(609) 633-6132
Last checked October 4, 2026
Sources
  1. https://uniontwp-hcnj.gov/zoning

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