Service
Basement Remodeling in Long Island
Turning an unfinished or outdated basement into usable square footage adds lasting value and versatility to your home. We convert basements into guest rooms, recreation areas, home offices, and additional living space, while addressing the details that matter below grade: insulation, moisture control, and proper lighting for comfort and safety.
Guest rooms, rec rooms & offices
What's included
- Framing, insulation, and drywall
- Moisture control planning
- Recessed lighting and electrical
- Flooring suited to below-grade spaces
- Bathrooms and wet bars
- Stairs and trim
When you need it
You need a playroom, gym, home office, or guest suite, and the cheapest square footage in your house is already right under your feet.
Why it's worth it
- Adds living space without an addition
- Better comfort with insulation and moisture control
- Increases your home's usable square footage
How It Works
Getting started is simple
Free estimate
Call or send the form. We visit your home, listen to your goals, and come back with a detailed, itemized quote.
Design & permits
Our in-house architectural team draws the plans, and our expediting services handle the permits with your town.
Build & final walkthrough
Our long-time crew and trades build it right, keep you updated along the way, and walk the finished job with you.
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Other services we offer
Home Extensions
Rear and side extensions that add living space without moving: bigger kitchens, family rooms, and sunlit additions.
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Whole Home Renovations
Entire-home renovations that update layouts, systems, and finishes for one cohesive, modern home.
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Dormer & Second Floor Additions
Dormers that turn attics into real rooms and full second stories that add bedrooms, baths, and offices.
Learn MoreQuestions
Basement Remodeling FAQs
Can you add a bathroom in the basement?
In many homes, yes. We'll look at your plumbing layout during the free estimate.
How do you deal with basement moisture?
Moisture control is planned into every basement we finish, along with insulation and materials suited to below-grade spaces.
Ready to start your basement remodeling project?
Free estimates from Fine Finish Construction, with a detailed, itemized quote.