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WatchdogResale CO checklist

Union Township

Union County, New Jersey · Checked October 2, 2026

Certificate of Occupancy Required

Residential Resale Certificate (Certificate of Continued Occupancy, CCO) · Building Department (Construction Code Official; Housing Inspector schedules re-inspections)

  • Smoke detectors on each level and within 10 feet of each separate sleeping area; battery alarms must be 10-year sealed units since January 1, 2019
  • Two-family homes also need a smoke detector at the highest level of each common stairwell
  • Existing hardwired smoke and CO systems must be kept to the level of the original certificate of occupancy; battery alarms are not acceptable replacements
  • No double-sided tape for mounting detectors
  • CO alarms outside each sleeping area, within 10 feet of bedroom doors
  • Portable fire extinguisher within 10 feet of the kitchen area: at least 2A:10B:C, no larger than 10 lbs, on a hanger or bracket, top no more than 5 feet above the floor, visible, near an exit path
  • All open permits closed out with the proper inspections
  • Sheds, fences, pools, decks and garages must have permits on file for the CCO application to be accepted
  • Owner certifies the property meets zoning and that no rubbish, debris or bulk garbage will be left before the new occupancy
Residential resale certificate (Certificate of Continued Occupancy) inspection$175.00
Each re-inspection$80.00
Residential resale certificate (Certificate of Continued Occupancy) inspection$175.00
Each re-inspection$80.00

Smoke and CO alarm certificate Required

  • Battery smoke alarms must be 10-year sealed units (since January 1, 2019)
  • Two-family homes need a smoke detector at the highest level of each common stairwell
  • Hardwired smoke and CO systems must be maintained as originally approved; no battery replacements
  • Portable fire extinguisher still required on the Township's 2024 sheet: at least 2A:10B:C, no more than 10 lbs, within 10 feet of the kitchen, mounted with the top no more than 5 feet above the floor

Township of Union Building Department (Residential Resale Certificate / CCO inspection checks smoke detectors, CO alarms and fire extinguishers)

Residential resale certificate (Certificate of Continued Occupancy) inspection$175.00
Each re-inspection$80.00