Hartford County, Connecticut
Home Additions in Connecticut
More space. More value. More home. Expert room additions, second stories, and in-law suites built to last.
Home Addition Services in CT
From a single room addition to a full second story — we design and build additions that seamlessly match your existing home.
Room Additions
Expand your living space with a new bedroom, family room, home office, or great room addition.
Second Story Additions
Add a full second floor to your home — master suite, bedrooms, bathrooms, and more.
Garage Additions
Attached or detached garages with storage, workshop space, and living area above.
Sunrooms & Screen Rooms
Three-season and four-season sunrooms that bring the outdoors in year-round.
Bump-Out Additions
Smaller additions that expand a kitchen, bathroom, or bedroom without a full addition.
In-Law Suites
Self-contained in-law apartments with bedroom, bathroom, kitchenette, and private entrance.
Home Addition Projects
A sample of completed projects by Nest Contracting Services across Connecticut.
What Our Clients Say About Their Additions
Real reviews from Connecticut homeowners who trusted Nest Contracting Services.
"We added a master suite above our garage and Nest Contracting made the whole process seamless. The addition matches our home perfectly — you can't tell it wasn't original."
"Our in-law suite addition gave my mother her own space while keeping her close. Nest handled every permit and detail. Exceptional work."
"The family room addition they built for us is our favorite room in the house. On time, on budget, and beautifully done."
Frequently Asked Questions
Plan Your Home Addition
Contact us for a free in-home consultation. We serve Avon, Farmington, Canton, Simsbury, West Hartford, and all of Hartford County.