Looking for a basement contractor in Bellerose, NY? Describe your project once and up to five basement contractors who work in Bellerose and Nassau County get back to you with a quote. It's free and there is no obligation.
Bellerose is home to about 1,173 people (2024 Census Bureau estimate), a stable community (−0.3% since 2020). With 9,348 people per sq mi, it is a densely built-up area. Full basements are common here and often the cheapest way to add living space.
Bellerose at a glance
- Population (Census Bureau estimate, 2024)
- 1,173 (−0.3% since 2020)
- Rank in New York
- 393rd of 595 cities and towns
- Land area
- 0.1 sq mi
- Population density
- 9,348 people per sq mi (densely built-up)
- Type
- Village (Bellerose village)
- Main county
- Nassau County
What to check before hiring in Bellerose
- Moisture first: waterproof before finishing.
- Egress: in New York, a basement bedroom needs an escape opening.
- Radon: test before you finish.
- Price drivers: size, bathroom, ceiling height, finishes and egress.
Useful official resources
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ICC: International Code Council
Official information and guidance.
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EPA: radon
Official information and guidance.
Services available in Bellerose
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Basement finishing
Framing, insulation, electrical, drywall and flooring of a basement, with permit.
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Basement bathroom or rental unit
Bathroom, kitchenette or legal basement unit with egress and plumbing.
Frequently asked questions in Bellerose
How much does basement finishing cost in Bellerose, NY?
It depends on size, bathroom and finishes. Describe your basement: contractors who serve Bellerose reply with a quote.
How long does it take?
Often several weeks.
Can I rent it out?
Only if local rules allow an accessory unit; check zoning.
Which basement contractors will contact me?
Up to five independent basement contractors who serve Bellerose and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.