Need a Plumbing or Heating Professional?

Hire a top notch Mechanical Contractor from North Stonington & Norwich, CT serving all of Southern New England

Boiler Installation and Replacement

Boiler Installation and Replacement

Have confidence your heating system is efficient and will keep you warm on the coldest days!

Water Treatment

Water Treatment

Enjoy the purest water possible every day.



You should know we've been told our plumbing installations are "aesthetically pleasing."

Radiant Floors

Radiant Floors

Walk on warm floors all winter long.

Don't Perform Your Own Home System Repairs

Turn to us for plumbing or mechanical services in North Stonington & Norwich, CT and all surrounding areas

All systems eventually require repairs or replacement. Willams & Associates Mechanical Contracting Inc. provides you with a free written proposal and explains clearly what you can expect when we solve your Heating or Plumbing issue.

We are the professional plumbing contractor to tackle any issues you're facing at your North Stonington & Norwich, CT home or business. From leaking pipes and water heaters to new boilers and filtration systems, we can repair it all. We have 35+ years of experience in the field.

Call 860-867-6976 today to get your plumbing and water issues solved quickly.

We can tackle your most challenging plumbing issues

Willams & Associates Mechanical Contracting Inc. is more than just your typical plumbing contractor. We have the skills and tools needed to provide:

Water testing

Water treatment

Plumbing services

Boiler replacements

Radiant floor installation

Depend on three decades of experience to provide the mechanical services you need. Contact us now to upgrade your residential or commercial systems today.

Serving all of Connecticut and Rhode Island

While we're based in North Stonington, CT, Willams & Associates Mechanical Contracting will perform expert service region-wide. We serve residential and commercial property owners throughout Connecticut and Rhode Island. If you need us for plumbing or mechanical services, we'll be there.

Email us now for top-quality service, affordable rates and veteran discounts.

  • Willams & Associates Mechanical Contracting Inc.

    North Stonington, CT 06359


    Call Us
    Phone: (860) 867-6976
    Alternate Phone: (860) 535-0382

    Mon: 7:00AM-5:00PM
    Tue: 7:00AM-5:00PM
    Wed: 7:00AM-5:00PM
    Thu: 7:00AM-5:00PM
    Fri: 7:00AM-5:00PM
    Sat: By Appointment
    Sun: By Appointment