"Items that are not on the township record may require permits, even if installed by previous owner, the current owner is responsible to resolve." That sentence sits on Edison Township's residential resale certificate application. It says the most important thing a Middlesex County seller can know before listing.
The inspection that most often moves a closing date here isn't about smoke alarms. It's a town inspection that compares your house to the permits on file. If you sell in Edison, a deck, a finished basement, or a water heater swap the town has no record of becomes your problem to fix before the certificate issues. Cross into East Brunswick and that inspection isn't required for a single-family resale at all.
The state certificate, and what changed in 2025
Selling a one- or two-family home or an attached single-family home in New Jersey requires the state fire-safety certificate. Its full name has gotten longer. The state Division of Fire Safety portal now calls it the Certificate of Smoke Alarm, Carbon Monoxide Alarm, and Secondary Power Source Identification Label Compliance.
The new name comes from P.L. 2025, chapter 19, approved February 3, 2025 and effective immediately. The law deleted the old requirement for a portable fire extinguisher. It added a new one for homes with a secondary power source: a label within 18 inches of the main electrical panel and the electric meter. State guidance says secondary power sources include permanently installed generators, solar panels, and battery storage systems. Sayreville's Bureau of Fire Prevention spells out the details in its current resale requirements. The label has to be printed, not handwritten, meet ANSI Z535.4 standards, and read "CAUTION: MULTIPLE SOURCES OF POWER" or equivalent.
That's an easy fix, but you have to know about it, and some local paperwork hasn't caught up. Woodbridge's posted resale requirements still describe a kitchen extinguisher of 2.5 to 10 pounds. So does the Middlesex County Fire Marshal's application. Metuchen's form marks the extinguisher box "No longer required" but keeps a paragraph saying one shall be installed. If you already own an extinguisher, Sayreville asks that it go to a Middlesex County Household Hazardous Waste drop-off day rather than the trash.
Who handles the state certificate also depends on the town. Edison's Fire Prevention Bureau requires that the certificate be scheduled in person. It inspects from 9 a.m. to 1 p.m. and lists fees from $60 to $140. The County Fire Marshal handles certificates for Highland Park, Middlesex, Milltown, South Amboy, Dunellen, and South River, among others. Metuchen uses an owner affidavit in place of an inspection. Whoever issues it, this certificate checks alarms. It doesn't look at your permit history.
The town inspection changes at the township line
The second layer is the town's own resale certificate, and this is where Middlesex County really splits. Here's how the towns covered by current official forms and ordinances compare for a single-family resale:
| Town | Town resale inspection? | Posted fee |
|---|---|---|
| Edison | Yes, Residential Resale Certificate | $150 |
| Piscataway | Yes, Municipal Certificate of Continued Compliance | $150 |
| South Brunswick | Yes, Residential Resale Certificate of Continued Occupancy | $150 detached, $125 townhome or condo |
| Sayreville | Yes, Certificate of Residential Resale Compliance | Emailed after application review |
| Carteret | Yes, Certificate of Continued Occupancy | $100 |
| Perth Amboy | Yes, Certificate of Code Compliance | $40 housing plus $100 fire prevention |
| Woodbridge | No continued occupancy certificate, but a smoke and sewer discharge inspection | $50 to $125 by timing |
| East Brunswick | Available on request, not required | Confirm with the township |
| Old Bridge | Resale certificates ended in 2021 | Not applicable |
East Brunswick's change is recent enough that older advice may still say the opposite. Ordinance 24-06, adopted May 13, 2024, struck the language requiring a certificate of continued occupancy for a change of owner. It replaced it with language saying a certificate "can be provided upon request." The ordinance lists a $75 fee for one- and two-family homes, but the township's fee schedule shows "N/A." Call before you pay anything. Old Bridge stopped accepting resale Certificate of Approval applications on November 19, 2021, and now uses that application for rentals.
New Brunswick also posts a $40 Code Compliance Certificate fee for one- and two-family homes. Its application is unclear about whether owner-occupied homes are covered, so confirm with the city before you plan around it.
Why the town inspection is the one that moves dates
The towns that inspect aren't only looking for loose railings. They check the house against what the town has on file. South Brunswick's ordinance says the certificate issues only after "site inspection and investigation of available municipal records" shows the use has lawfully existed. Its housing officer runs a permit records search along with a look at the visible parts of the house.
Edison's checklist shows what that means at a real address. Additions, finished basements, finished attics, garage conversions, patios, decks, pools, and spas all need verified zoning and building permits. Water heaters, furnaces, air conditioners, and boilers need permits to install or replace. The water heater's relief piping can't be black pipe and has to end 6 inches from the floor. Dryers have to vent outside, bedrooms can't have keyed locks, and house numbers must be at least 4 inches high. Edison also suggests checking with the Tax Assessor's office to see that all improvements are being assessed. If work was done without a required permit, the seller has to get the permit and close it before the certificate issues.
Sayreville's checklist flags the same kinds of issues: unpermitted major work, open permits, illegal basement or attic bedrooms, a second kitchen, missing handrails or guards, and unsafe wiring. Perth Amboy lists loose or missing handrails, open permits, and missing GFCI protection near water.
Woodbridge's version is unusual. The township says it doesn't require a Certificate of Continued Occupancy, but it does require a Sanitary Sewer Discharge Inspection under a 1998 ordinance. Sump pumps, yard and driveway drains, and basement floor drains can't discharge into the sanitary sewer. Floor drains must be cemented over, and open building permits must be closed. In a house with a finished basement, rerouting a sump line is real work with a schedule of its own.
This matters most for estate sales and longtime owners. A basement finished decades ago, or a furnace replaced on a weekend, may never have reached the town's records. The person selling may not have been the one who did the work, and in an estate sale they may not know about it at all.
Working backward from your closing date
Each certificate runs on its own clock. Here's how they fit together for a seller in a town that inspects:
- Several weeks before you list: Ask the building department about open permits on your address. Compare what's on file with what's actually in the house. Edison puts both steps ahead of the inspection itself.
- Three to four weeks before closing, at the latest: Get the town resale inspection done. Edison's form says four weeks in one place and three in another, so plan on four. Sayreville emails the fee within one business day of reviewing the application and holds resale appointments on Mondays and Wednesdays. Perth Amboy says a permanent certificate can issue within 7 to 10 days if there are no violations.
- More than ten business days before closing: Apply for the state alarm certificate. Through the state portal, the fee is $45 if you apply more than ten business days out, $90 at four to ten days, and $161 inside four days. Local offices post their own tiers, such as the County Fire Marshal's $50, $75, and $125. In Edison, the alarm certificate has to be in hand before the resale certificate can issue.
- Watch the expiration dates: South Brunswick's certificate lasts 120 days, with one possible 30-day extension. Woodbridge's certificate is valid for 60 days from inspection. Carteret's application becomes void 90 days after issuance. If a deal falls through and the house stays on the market, a certificate can expire before the next contract.
Reinspections cost money too. Piscataway charges $100 per unit starting with the third inspection. Carteret includes one follow-up visit and then charges $50 for each additional inspection or missed appointment.
Questions sellers ask about resale certificates
Can the buyer take on the town certificate instead? In South Brunswick, yes. The buyer can assume responsibility in a written waiver filed with the Housing Officer. Other towns handle this differently, so ask your town office directly.
Does selling as-is get me out of the alarm certificate? No. Sayreville says the alarm certificate is required for closing "regardless of the habitability of the property or any 'as-is' conditions of its sale."
My alarms work. Can they still fail? Yes. Under Sayreville's current requirements, smoke alarms have to be less than ten years old, battery-only smoke alarms have to be 10-year sealed units, and CO alarms have to be less than seven years old or replaced per the manufacturer. Detectors that are part of a security system don't count on their own.
Is this legal advice for my specific sale? No. Ordinances and forms change, and the town office is the final word. Confirm the current requirements and fees with your municipality before you schedule anything.
If you're planning to sell in Middlesex County and aren't sure which certificates your town requires, or whether an old renovation is on file, MaryBeth Tomaro can help you sort it out before you list. Schedule a free consultation, and we'll build your closing timeline around your town's rules from day one.
