Looking for a basement contractor in Bellmawr, NJ? Describe your project once and up to three basement contractors who work in Bellmawr and Camden County get back to you with a quote. It's free and there is no obligation.
Bellmawr is home to about 11,846 people (2024 Census Bureau estimate), a growing community (+1.1% since 2020). With 3,970 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.
Bellmawr at a glance
- Population (Census Bureau estimate, 2024)
- 11,846 (+1.1% since 2020)
- Rank in New Jersey
- 90th of 323 cities and towns
- Land area
- 3.0 sq mi
- Population density
- 3,970 people per sq mi (densely built-up)
- Type
- Borough (Bellmawr borough)
- Main county
- Camden County
What to check before hiring in Bellmawr
- Moisture first: waterproof before finishing.
- Egress: in New Jersey, 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 Bellmawr
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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 Bellmawr
How much does basement finishing cost in Bellmawr, NJ?
It depends on size, bathroom and finishes. Describe your basement: contractors who serve Bellmawr 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 three independent basement contractors who serve Bellmawr 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.