Contact Information
office@jctonnotti.com
205 Bristol Street, Southington, Connecticut 06489, United States
See the Difference Quality Makes – Browse Our Recent Projects
This gallery is a digital portfolio showcasing some of the home improvement projects by J. C. Tonnotti Window Company.
Trusted by Homeowners Across Connecticut
Real reviews from satisfied customers who love our craftsmanship, quality, and service.
WHY CONNECTICUT HOMEOWNERS CHOOSE JC TONNOTTI
True In-House Crews – No Subcontractors
Unlike many competitors who outsource labor, J.C. Tonnotti employs full-time, in-house crews for every project. This ensures consistent quality, expert craftsmanship, and accountability from start to finish—giving homeowners peace of mind knowing exactly who is working on their home.
Complete One-Stop Exterior Remodeling
From windows and doors to roofing, siding, and sunrooms, J.C. Tonnotti measures, designs, installs, services, and warranties every project under one roof. Customers don’t have to juggle multiple contractors—we handle everything with professional trucks, expert installers, and dedicated office staff to ensure a seamless experience.
40+ Years of Local, Family-Owned Excellence
Founded in 1979, J.C. Tonnotti has been a trusted name in exterior remodeling for over 40 years. Unlike newer companies that come and go, we’ve built a strong reputation in Connecticut, operating from the same Southington location for decades. Homeowners choose us because they know we’ll be here to stand behind our work for years to come.
Fast, Professional Installations with Strong Warranties
Our team specializes in efficient, high-quality installations—often completing projects like window and roof replacements in just one day. We also back our work with manufacturer warranties and our own service guarantees, so customers can trust their investment is protected for the long haul.
Family Owned & Operated for Over 40 Years
Reach out to us for personalized solutions and expert assistance.
Our Mission at J. C. Tonnotti Window Company is to exceed our client’s expectations by offering superior craftsmanship and outstanding customer service.
Contact Information
205 Bristol Street, Southington, Connecticut 06489, United States
CT Home Improvement Lic 614190
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