Custom Home & Garage Additions

Advanced Construction specializes in custom home additions and garage building across Connecticut, helping homeowners create the extra living space they need without sacrificing style or structural integrity. From family rooms, in-law apartments, and second floors to detached or attached garages, our expert team designs and builds expansions that blend seamlessly with your existing home. With decades of experience, we ensure every project is tailored to your lifestyle, enhances your property’s value, and looks as if it was always part of your house. We proudly serve homeowners across Connecticut including Mystic, Stonington, Pawcatuck, Groton, Groton Long Point, New London, Waterford, East Lyme, Essex, Old Lyme, Old Saybrook, and Westerly (RI).

Custom Addition Solutions

If you love your Connecticut home but need more space, Advanced Construction can help you expand with thoughtfully designed additions and garages. We specialize in both attached and freestanding structures, including second floors, family rooms, in-law suites, and custom garages, all built to match your lifestyle and existing architecture. From the first design consultation and detailed planning to expert construction and finishing touches, our team ensures your new living space is functional, beautiful, and seamlessly integrated with your home.

Versatile Solutions

Each custom addition we build is designed to give you the extra living space your household needs. Whether you are expanding for a growing family, creating a private in-law apartment, designing a dedicated home office, setting up a personal retreat for relaxation, or adding practical storage solutions, our team ensures your new space is both functional and beautifully integrated with your home.

Family Rooms

Ideal for gatherings and family time.

In-Law Apartments and Second Floors

Provide privacy and space for extended family.

Offices & Dens

Perfect for work-from-home setups.

Bedrooms & Three-Season Rooms

Enhance comfort throughout the year.

Garages and Dormers

Protect your vehicles and expand your living area.

Exercise Rooms & Personal Retreats

Tailored for health and relaxation.

Entertainment Rooms

Create a dedicated space for movies, games, and social gatherings.

See Our Work

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• Acts like a line of credit, use as much or as little as you need. Funds can be used for down, partial, or full project payment with no liens or appraisal requirements.

• Attractive rates with low monthly payment options for 5 to 15 years or Same as Cash (pay in full anytime within a 6 month promotional period to pay no interest!)

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