Looking for a basement contractor in Ilion, NY? Describe your project once and up to three basement contractors who work in Ilion and Herkimer County get back to you with a quote. It's free and there is no obligation.
Ilion is home to about 7,559 people (2024 Census Bureau estimate), a shrinking community (−1.7% since 2020). With 3,032 people per sq mi, it is a suburban area. Full basements are common here and often the cheapest way to add living space.
Ilion at a glance
- Population (Census Bureau estimate, 2024)
- 7,559 (−1.7% since 2020)
- Rank in New York
- 116th of 595 cities and towns
- Land area
- 2.5 sq mi
- Population density
- 3,032 people per sq mi (suburban)
- Type
- Village (Ilion village)
- Main county
- Herkimer County
What to check before hiring in Ilion
- 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 Ilion
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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 Ilion
How much does basement finishing cost in Ilion, NY?
It depends on size, bathroom and finishes. Describe your basement: contractors who serve Ilion 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 Ilion 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.