Looking for a basement contractor in Avon-by-the-Sea, NJ? Describe your project once and up to three basement contractors who work in Avon-by-the-Sea and Monmouth County get back to you with a quote. It's free and there is no obligation.
Avon-by-the-Sea is home to about 1,944 people (2024 Census Bureau estimate), a stable community (+0.6% since 2020). With 4,569 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.
Avon-by-the-Sea at a glance
- Population (Census Bureau estimate, 2024)
- 1,944 (+0.6% since 2020)
- Rank in New Jersey
- 264th of 323 cities and towns
- Land area
- 0.4 sq mi
- Population density
- 4,569 people per sq mi (densely built-up)
- Type
- Borough (Avon-by-the-Sea borough)
- Main county
- Monmouth County
What to check before hiring in Avon-by-the-Sea
- 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 Avon-by-the-Sea
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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 Avon-by-the-Sea
How much does basement finishing cost in Avon-by-the-Sea, NJ?
It depends on size, bathroom and finishes. Describe your basement: contractors who serve Avon-by-the-Sea 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 Avon-by-the-Sea 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.