Looking for an excavation contractor in Diamond, IL? Describe your project once and up to three excavation contractors who work in Diamond and Grundy County get back to you with a quote. It's free and there is no obligation.
Diamond is home to about 2,702 people (2024 Census Bureau estimate), a growing community (+2.5% since 2020). With 1,422 people per sq mi, it is a suburban area. New homes, additions and utility connections keep local excavation contractors busy.
Diamond at a glance
- Population (Census Bureau estimate, 2024)
- 2,702 (+2.5% since 2020)
- Rank in Illinois
- 430th of 1,294 cities and towns
- Land area
- 1.9 sq mi
- Population density
- 1,422 people per sq mi (suburban)
- Type
- Village (Diamond village)
- Main county
- Grundy County
What to check before hiring in Diamond
- Call 811: required before digging, in Illinois as everywhere.
- Permits: grading, foundations and utility work may need permits from the city or county.
- Soil and rock: ask how unexpected rock or poor soil is priced.
- Price drivers: volume, depth, access, haul-off and backfill.
Useful official resources
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Call 811
Official information and guidance.
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OSHA: trenching and excavation
Official information and guidance.
Services available in Diamond
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Foundation and basement excavation
Digging for a foundation, basement or addition, with backfill.
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Utility trenches and site work
Trenches for water, sewer and power, building pads, driveways and grading.
Frequently asked questions in Diamond
How much does excavation cost in Diamond, IL?
It depends on the volume, depth, soil and haul-off. Describe your project: contractors who serve Diamond reply with a quote.
How long does it take?
A house foundation often takes a few days; larger site work longer.
Who hauls the dirt away?
Ask: haul-off and disposal are often priced separately.
Which excavation contractors will contact me?
Up to three independent excavation contractors who serve Diamond 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.