Basement Finishing in NYC
Serving the Bronx, Queens, and Nassau County. Licensed and insured. Free estimates.
A finished basement adds valuable living space to your property. Doon Construction Corporation provides complete basement finishing and renovation services for homeowners throughout the Bronx, Queens, and Nassau County.
Our basement finishing services transform unfinished or underused space into functional living areas including family rooms, home offices, guest suites, laundry rooms, and recreational spaces. We handle all aspects of the build from waterproofing and insulation to framing, electrical, plumbing, and finishes.
Moisture control is the foundation of every successful basement project. Before finishing any basement, we assess and address all water intrusion issues. Our team installs proper drainage, vapor barriers, and waterproofing systems to create a dry, comfortable space.
We handle all NYC and Nassau County permitting requirements for basement conversions, including egress window installation, ceiling height compliance, and fire safety provisions. Every project is built to code and inspected at each stage.
What's Included
- Basement waterproofing and moisture control
- Framing and insulation
- Drywall installation and finishing
- Flooring installation
- Electrical wiring and panel upgrades
- Plumbing for bathrooms and kitchens
- Egress window installation
- Drop ceiling and drywall ceiling
- Built-in storage and closets
- Painting and trim work
Where We Provide Basement Finishing
We offer basement finishing services throughout the New York area:
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Basement Finishing Questions
How much does basement finishing cost in NYC?
Basement finishing costs in the NYC area range from $30 to $75 per square foot depending on the level of finish, plumbing, and electrical work. A typical 800 sq ft basement costs $25,000 to $60,000. We provide free estimates.
Do I need a permit to finish my basement in NYC?
Yes. NYC requires permits for basement conversions involving electrical, plumbing, or structural work. We handle all permit applications and coordinate inspections throughout the project.
Can you add a bathroom to my basement?
Yes. We install complete basement bathrooms including sewer ejector pumps, plumbing lines, tile showers, vanities, and toilets. All work is done to code with proper permits and inspections.