In Montville, NJ, a small leak can turn into a big problem fast. Our licensed plumbers stop it before it spreads.
No surprise charges — you get an upfront price for your Montville job before we pick up a tool.

Local Plumbing, Heating & Cooling in Montville
Winters in Morris County are hard on plumbing — frozen and burst pipes are a real risk for Montville homeowners every cold snap.
That's why so many Montville 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 Montville, NJ
We handle the full range of plumbing, heating, and cooling needs for Montville:
Emergency Plumbing in Montville
24/7 emergency plumbing repairs
View DetailsDrain Cleaning in Montville
fast clog removal for sinks, tubs & main lines
View DetailsSewer Line Service in Montville
main sewer line cleaning, camera inspection & repair
View DetailsWater Heater Repair & Installation in Montville
repair & replacement for tank and tankless heaters
View DetailsPlumbing Repair in Montville
leaks, faucets, toilets, fixtures & repiping
View DetailsHeating Repair in Montville
boiler & furnace repair, service & installation
View DetailsAir Conditioning Repair in Montville
AC repair, tune-ups & new system installation
View DetailsWhy Montville Chooses On Call NJ
Licensed & Insured
Every Montville job is handled by licensed, insured professionals — no shortcuts, no liability for you.
Local Morris County Team
We know Montville and the rest of Morris County — the homes, the pipes, and the common problems.
24/7 Emergency Response
We answer calls around the clock and dispatch fast when Montville needs us most.
Clean, Respectful Service
We protect your floors, clean up after ourselves, and leave your Montville home better than we found it.
Frequently Asked Questions
Yes. On Call NJ offers 24/7 emergency service throughout Montville and all of Morris County. Whenever a plumbing, heating, or cooling emergency strikes — day, night, weekend, or holiday — call 862-860-1807 and we'll respond fast.
We give you an upfront, transparent price before any work begins on your Montville job, so you always know what to expect — no surprises after the fact.
Absolutely. Every technician who works on a Montville home is fully licensed and insured, so your project is handled to code and you carry no liability.
Yes. We stand behind our workmanship on every repair and installation we complete in Montville. If something isn't right, we make it right.
Join the Montville homeowners who've made On Call NJ their go-to for plumbing, heating, and cooling.