Basement Finishing in Westchester County, NY

AGA Contracting Group transforms unfinished basements into functional living space for homeowners throughout Westchester County, from Mount Kisco and Chappaqua to Ossining and Peekskill. Whether you're dreaming of a home office, gym, or guest suite, we handle every detail — framing, insulation, drywall, flooring, and lighting — so your finished basement is done right the first time.

Our Basement Finishing Process

Free In-Home Consultation

We walk your space, discuss your vision, and talk through your budget. No pressure, no obligation.

Design & Detailed Estimate

You'll receive a clear written estimate covering materials, labor, and timeline — no surprise costs later.

Construction

Our crew handles framing, insulation, drywall, electrical, and flooring from start to finish, keeping your home as clean as possible throughout.

Final Walkthrough

We walk through the finished space with you to make sure every detail meets your expectations before we call it done.

What's Included in Your Basement Finish

Framing & Insulation

Proper framing and insulation to create a comfortable, energy-efficient space year-round — especially important for basements in older Westchester homes around Ossining and Peekskill.

Drywall & Painting

Clean drywall installation and professional painting to finish out your new space.

Flooring

Durable, basement-appropriate flooring options including luxury vinyl, carpet, and tile.

Electrical & Lighting

Licensed electricians handle outlets, switches, and recessed lighting to code.

Egress Windows

We install egress windows where required to meet code for bedrooms and living spaces.

Custom Features

Wet bars, built-in shelving, home theaters, and other custom additions to fit your vision.

Basement Finishing FAQs

How much does it cost to finish a basement in Westchester County?

Basement finishing costs in Westchester County typically range from $20,000 to $60,000 depending on size, layout, and the features you choose. Whether you're in Mount Kisco, Chappaqua, or anywhere else in the county, we provide a detailed written estimate before any work begins so you know exactly what to expect.

Do I need a permit to finish my basement in Westchester County?

Yes, most basement finishing projects require a permit, especially if adding bedrooms, bathrooms, or egress windows. AGA Contracting Group manages the entire permit process with your local municipality.

Can I add a bathroom to my finished basement?

Yes, we can add a full or half bathroom to your basement finishing project. This requires additional plumbing work which we coordinate as part of the project.

What can I use a finished basement for?

Popular basement uses include home offices, home gyms, media rooms, guest suites, playrooms, and additional living space for the whole family.

Ready to Finish Your Basement?

Contact AGA Contracting Group today for a free in-home estimate. We serve homeowners throughout Westchester County, NY including White Plains, Yonkers, Scarsdale, New Rochelle, Harrison, and surrounding towns.

Call us directly: 914-414-7550