Hamilton Township

Certificate of Occupancy Required

Certificate of Approval for Occupancy (Change of Occupancy, Sale) · Division of Housing & Landlord Compliance (Housing Inspection & Landlord Compliance Office)

• Working smoke detectors not more than 10 years old; battery-only units must have 10 year sealed batteries, and hardwired units need battery backup
• Working carbon monoxide detectors within 10 feet of all sleeping rooms
• Portable fire extinguisher (at least 1A:10B:C, no more than 10 pounds) mounted in or within 10 feet of the kitchen (checklist dated April 2026)
• Walls, ceilings, floors and bathroom tiles in good repair; bathroom doors lock
• Working hot and cold water with shut off valves, secured toilets, approved drain traps
• Stove and oven work and ranges have an anti-tilt bracket
• GFCI outlets within 6 feet of water (bathroom, kitchen, unfinished basement); no extension cords in place of wiring
• Water heater and boiler in good order; relief valve discharge pipe 2 to 6 inches from the floor; gas shut off valve on each gas appliance
• Roof and structure sound; chimneys safe; fireplaces and wood stoves need a Level II chimney certification
• No double-keyed deadbolts on exit doors; no keyed bedroom locks; windows open, lock and have screens
• Handrails and guards on stairs, porches and decks; fences and pool barriers in good repair
• House numbers at least 3 inches high, visible from the curb; grass cut, no rodents or insects
• Sump pumps discharge outside and not into the sanitary sewer
• Work done without permits must be permitted and inspected, and open construction permits must be closed
• Well and septic systems must be approved by the Health Department

• Phone: 609-890-3665
• Application: https://www.hamiltonnj.com/DocumentCenter/View/2813/Change-of-Occupancy-Application-for-Single-Family-Property-PDF

Smoke and CO alarm certificate Required

• Smoke detectors not more than 10 years old; battery-only units must have 10 year sealed batteries; hardwired units need replaceable or 10 year sealed battery backup
• Carbon monoxide detectors within 10 feet of all sleeping rooms
• The April 2026 Change of Occupancy Checklist still lists a portable fire extinguisher (at least 1A:10B:C, no more than 10 pounds) mounted in or within 10 feet of the kitchen