Resale CO checklist
Trenton City
Mercer County, New Jersey · Checked September 30, 2026
Certificate of Occupancy Required
Certificate of Housing Code Compliance · City of Trenton Department of Inspections, Division of Housing Inspections
- Home must conform to the City's existing Zoning and Fire Safety Codes
- Smoke detector and carbon monoxide alarm compliance (City Code Chapter 132, Section 40)
- Must substantially meet the City's minimum habitability standards (Chapter 132, Articles V-VIII)
- Electrical and plumbing service and fixtures must be safe, sound and sturdy and not create a fire, safety or life hazard
| Certificate of Housing Code Compliance (1 to 4 units) | $200 |
| Each unit over four (structures with more than four units) | $15 per unit |
| Each re-inspection after the first (1 and 2 unit homes) | $50 |
Smoke and CO alarm certificate Required
- Smoke detector and carbon monoxide compliance is certified as part of the City's Certificate of Housing Code Compliance (City Code Chapter 132, Section 40)
City of Trenton Division of Housing Inspections (smoke/CO compliance is part of the Certificate of Housing Code Compliance); NJ DCA Division of Fire Safety is the fire code enforcing agency but is not
| Included in the Certificate of Housing Code Compliance fee (no separate smoke/CO fee published) | $200 |
