Your Trusted Residential Construction Contractor in CT
At Onze Plumbing & Heating, we bring decades of experience, trusted craftsmanship, and a deep understanding of heating and plumbing systems to every residential construction project. Whether you’re remodeling a bathroom, transforming your kitchen, or building out an entirely new living space, our team ensures your home’s most vital systems are seamlessly integrated with your new design.
We work alongside general contractors, architects, and designers to ensure everything behind the walls functions as beautifully as what’s in front of them. From code-compliant installations to clean, timely execution, Onze makes home renovations smoother, safer, and more efficient.
Our Residential Construction Services
Bathroom Remodeling
Bathroom Remodeling
Kitchen Remodeling
Kitchen Remodeling
Additions & In-law Apartments
Additions & In-law Apartments
Whole-Home Renovations
Whole-Home Renovations
Utility Room & Laundry Upgrades
Utility Room & Laundry Upgrades
Heating Upgrades
Heating Upgrades
New Home Builds
New Home Builds
Pool Houses & Exterior Kitchens
Pool Houses & Exterior Kitchens
Basement Conversions
Basement Conversions
Our Track Record Speaks For Itself
#1
Since 1989
1000s
Why Your Neighbors Choose ONZE
We offer comprehensive plumbing and heating services specifically designed to meet the unique needs of homes like yours.
Experience
Reliability
Quality Workmanship
Top rated in all of New Haven
and Fairfield Counties
We offer comprehensive plumbing and heating
services specifically designed to meet the unique needs of all sizes.
“As a General Contractor I have worked with many Plumbing contractors over the last 30 years and Onze SCHP are the best plumbers I have ever worked with. Having worked with them since 2012 we have done dozens and dozens of jobs together. Will, Jason, Jim and staff are always responsive, professional, punctual, detail oriented, knowledgeable and a pleasure to work with. They are clean, honest and reliable, I use them at my own home as well. I couldn’t recommend them enough!”
Jud Aley
R.J. Aley Building Contractor
“Onze plumbing and heating has been our go to contractor for our plumbing needs in all of our projects. They have consistently been on time, transparent, fair and maintained a very high standard of quality throughout numerous projects over many years. Everyone that works at Onze has always been respectful, knowledgeable and an asset to every on of our projects. We could not recommend them enough. It is a pleasure to work with such a well run company.”
Nathan Misbach
Owner, Lions Creek Construction
“I’ve worked with the Onze team on several residential projects and have always appreciated their commitment to quality and professionalism.”
Mark Burtnett
Project Manager, Prutting and Co.
“I needed some modifications to a drain and water lines for a remodeled bathroom. I called Onze Plumbing and Heating due to recommendations from colleagues. I spoke to Will. He understood exactly what I needed and had a couple of solutions immediately and said he would be sending out a guy next day. Rob from Onze Plumbing came out next day, on time, and got the job done immediately. They recognized my problem and fixed it accordingly. I will call them for all my plumbing and heating from now on. Great pricing.”