From quick fixes to full-blown emergencies, Monroe residents trust On Call NJ to get the job done right.
No surprise charges — you get an upfront price for your Monroe job before we pick up a tool.

Local Plumbing, Heating & Cooling in Monroe
Winters in Middlesex County are hard on plumbing — frozen and burst pipes are a real risk for Monroe homeowners every cold snap.
That's why so many Monroe homeowners keep our number handy. From the first call to the final fix, we focus on doing the job right and treating your home with respect.
Our Services in Monroe, NJ
We handle the full range of plumbing, heating, and cooling needs for Monroe:
Emergency Plumbing in Monroe
24/7 emergency plumbing repairs
View DetailsDrain Cleaning in Monroe
fast clog removal for sinks, tubs & main lines
View DetailsSewer Line Service in Monroe
main sewer line cleaning, camera inspection & repair
View DetailsWater Heater Repair & Installation in Monroe
repair & replacement for tank and tankless heaters
View DetailsPlumbing Repair in Monroe
leaks, faucets, toilets, fixtures & repiping
View DetailsHeating Repair in Monroe
boiler & furnace repair, service & installation
View DetailsAir Conditioning Repair in Monroe
AC repair, tune-ups & new system installation
View DetailsWhy Monroe Chooses On Call NJ
Licensed & Insured
Every Monroe job is handled by licensed, insured professionals — no shortcuts, no liability for you.
Local Middlesex County Team
We know Monroe and the rest of Middlesex County — the homes, the pipes, and the common problems.
Clean, Respectful Service
We protect your floors, clean up after ourselves, and leave your Monroe home better than we found it.
24/7 Emergency Response
We answer calls around the clock and dispatch fast when Monroe needs us most.
Frequently Asked Questions
We handle emergency plumbing, drain cleaning, sewer line service, water heater repair and installation, general plumbing repair, heating, and air conditioning for Monroe homes and businesses.
Yes. We stand behind our workmanship on every repair and installation we complete in Monroe. If something isn't right, we make it right.
Yes. On Call NJ offers 24/7 emergency service throughout Monroe and all of Middlesex County. Whenever a plumbing, heating, or cooling emergency strikes — day, night, weekend, or holiday — call 862-860-1807 and we'll respond fast.
Absolutely. Every technician who works on a Monroe home is fully licensed and insured, so your project is handled to code and you carry no liability.
Whatever your plumbing, heating, or cooling problem in Monroe, On Call NJ is ready to help — your comfort is our priority.