Looking for a basement contractor in Harvey, IL? Describe your project once and up to three basement contractors who work in Harvey and Cook County get back to you with a quote. It's free and there is no obligation.
Harvey is home to about 19,781 people (2024 Census Bureau estimate), a shrinking community (−2.7% since 2020). With 3,187 people per sq mi, it is a suburban area. Full basements are common here and often the cheapest way to add living space.
Harvey at a glance
- Population (Census Bureau estimate, 2024)
- 19,781 (−2.7% since 2020)
- Rank in Illinois
- 124th of 1,294 cities and towns
- Land area
- 6.2 sq mi
- Population density
- 3,187 people per sq mi (suburban)
- Type
- City (Harvey city)
- Main county
- Cook County
What to check before hiring in Harvey
- Moisture first: waterproof before finishing.
- Egress: in Illinois, 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 Harvey
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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 Harvey
How much does basement finishing cost in Harvey, IL?
It depends on size, bathroom and finishes. Describe your basement: contractors who serve Harvey 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 Harvey 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.