On Call NJ has built its reputation in Hillsdale on one simple promise: dependable plumbing, day or night.
Our technicians arrive in Hillsdale on time, in uniform, and ready to explain exactly what's going on before any work begins.

Local Plumbing, Heating & Cooling in Hillsdale
Many homes in Hillsdale were built decades ago, and aging supply lines and drains are some of the most common calls we get in Bergen County.
That's why so many Hillsdale 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 Hillsdale, NJ
We handle the full range of plumbing, heating, and cooling needs for Hillsdale:
Emergency Plumbing in Hillsdale
24/7 emergency plumbing repairs
View DetailsDrain Cleaning in Hillsdale
fast clog removal for sinks, tubs & main lines
View DetailsSewer Line Service in Hillsdale
main sewer line cleaning, camera inspection & repair
View DetailsWater Heater Repair & Installation in Hillsdale
repair & replacement for tank and tankless heaters
View DetailsPlumbing Repair in Hillsdale
leaks, faucets, toilets, fixtures & repiping
View DetailsHeating Repair in Hillsdale
boiler & furnace repair, service & installation
View DetailsAir Conditioning Repair in Hillsdale
AC repair, tune-ups & new system installation
View DetailsWhy Hillsdale Chooses On Call NJ
24/7 Emergency Response
We answer calls around the clock and dispatch fast when Hillsdale needs us most.
Workmanship You Can Trust
We stand behind every repair and installation we complete in Hillsdale.
Upfront, Honest Pricing
You approve a clear price before work starts. No hidden fees on any Hillsdale service call.
Same-Day Availability
Many Hillsdale repairs can be handled the same day you call.
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 Hillsdale homes and businesses.
Absolutely. Every technician who works on a Hillsdale 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 Hillsdale. If something isn't right, we make it right.
We give you an upfront, transparent price before any work begins on your Hillsdale job, so you always know what to expect — no surprises after the fact.
From the first call to the final fix, On Call NJ is committed to doing right by every Hillsdale customer.