Looking for a custom home builder in Round Lake Park, IL? Describe your project once and up to five custom home builders who work in Round Lake Park and Lake County get back to you with a quote. It's free and there is no obligation.
Round Lake Park is home to about 7,836 people (2024 Census Bureau estimate), a growing community (+2.2% since 2020). With 3,790 people per sq mi, it is a suburban area. Infill lots, teardowns and acreage on the edge of town are where custom homes get built here.
Round Lake Park at a glance
- Population (Census Bureau estimate, 2024)
- 7,836 (+2.2% since 2020)
- Rank in Illinois
- 269th of 1,294 cities and towns
- Land area
- 2.1 sq mi
- Population density
- 3,790 people per sq mi (suburban)
- Type
- Village (Round Lake Park village)
- Main county
- Lake County
What to check before hiring in Round Lake Park
- License: in Illinois, check the builder's license or registration.
- Site costs: utilities, septic, wells and driveways can add significantly.
- Contract: compare allowances and change-order rules, not just the total.
- References: visit homes the builder has finished.
Useful official resources
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NAHB: National Association of Home Builders
Official information and guidance.
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ICC: International Code Council
Official information and guidance.
Services available in Round Lake Park
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Custom home construction
Construction of a custom home on the owner's lot, from permit to move-in.
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Design-build
Builder who handles both the design and the construction of the home.
Frequently asked questions in Round Lake Park
How much does a custom home cost in Round Lake Park, IL?
It depends on size, finishes and site costs. Describe your project: builders who serve Round Lake Park reply with a quote.
How long do permits take?
From weeks to months depending on the jurisdiction.
Can I use my own plans?
Yes; builders price them and suggest changes if needed.
Which custom home builders will contact me?
Up to five independent custom home builders who serve Round Lake Park 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.