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Verified Reviews for Excavation pros in Winnebago, IL

*The Angi rating for Excavation companies in Winnebago, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Excavation needs.

*The HomeAdvisor rating for Excavation companies in Winnebago, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Excavation needs.

Last update on July 20, 2026

Find Excavation pros in Winnebago

Avatar for Martin Dirtworks, LLC
Martin Dirtworks, LLC
5.0(
3
)
Building Site - Preparation and ClearingLandscape - Minor Grading or ReslopingExcavation - Major Grading or Resloping

Serving Winnebago, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"Hired Martin Dirtworks to clear and remove trees, shrubs, and dirt from my property and bring in backfill. Was very professional and completed all phases of project on time and met budget. Very happy and recommend his services. Will be calling for future projects as prices are fair and great person to deal with."
Excavation
10 neighbors recently requested a quote
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Avatar for Jose's Lawn Care & Landscape Service
Jose's Lawn Care & Landscape Service
4.3(
20
)
Landscape - Minor Grading or Resloping

Serving Winnebago, IL and surrounding areas

Approved

In business since 2004

Free estimates

Small jobs welcome

"Jose and his team are people of integrity. Twice he showed up at my house at the exact time he said he would be there. He did what he said he would do at an affordable and reasonable price. His work was top rate and I would recommend him to anybody."
landscaping
landscaping
landscaping
landscaping
landscaping

+22

Response time1 day
Recommended by100%of homeowners
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Willowbrook Drainage & Excavation
New to Angi
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Winnebago, IL and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

At Willowbrook Drainage & Excavation we pride ourselves on being the best home improvement company in the Kent area. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!\n

4 neighbors recently requested a quote
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Avatar for General Pro Landscaping, LLC
General Pro Landscaping, LLC
5.0(
14
)
Excavation - Major Grading or ReslopingLandscape - Minor Grading or Resloping

Serving Winnebago, IL and surrounding areas

In business since 2010

Free estimates

Small jobs welcome

"Alex is very professional. They were on time and did everything that was quoted."
My jobs
My jobs
My jobs
My jobs
My jobs

+4

Response time1 day
Recommended by100%of homeowners
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Avatar for MIKE SPOHR BUILDERS
MIKE SPOHR BUILDERS
3.8(
9
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Winnebago, IL and surrounding areas

In business since 1988

Free estimates

Emergency services offered

"He personally walked the roof to look for details
Suggested materials that exceeded our expectation
Worked professionally and cleaned up each day
Removed all nails and debris
He has come back 3 time since the job to ensure all has sealed and check for any loose shingles after wind storms"
Recommended by71%of homeowners
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Excavating questions, answered by experts

In the United States, a depth of 36 inches (three feet) for underground water lines is the accepted industry standard. This depth varies from location to location based on local conditions. In areas with colder winters, they may be buried deeper to prevent frozen well water pipes : This is usually at least six inches below the frost level. The International Plumbing Code calls for a minimum of 12 inches below grade.

Sewer lines can be buried anywhere from 18 inches to 8 feet deep, with a common average depth between 18 and 30 inches. The exact depth depends on local factors like climate and soil type. In colder regions, pipes must be buried deeper (below the frost line) to prevent freezing, sometimes as deep as 8 feet. The digging depth can also impact the cost of sewer line replacement. To find the specific depth for your property, you can check the building plans for your system, which should be on file with your city or local sanitation department since permits are required for installation.

Trenches are typically 12 to 24 inches deep and 8 inches wide. However, the required depth depends on the specific project and local ordinances. For example, a French drain may need to be 18 inches deep, while a water pipe might require a depth of 24 inches and a drainage pipe 36 inches. Your city or county may have specific regulations, so it's wise to consult with an excavation professional to determine the correct depth for your project.

Yes. A metal detector is one of the quickest and easiest ways to find your septic tank. However, metal detectors can be too expensive (costing upward of $300 in some cases), and not everyone has a metal detector just lying around. If that’s the case for you, you can also take a long metal rod and poke it into the ground at regular intervals until you hit something—likely your septic tank lid.

Slab foundations are more affordable than crawl spaces because they require minimal excavation, as the slab sits directly on the ground or on footers that only sink a few feet into the ground. Crawl spaces require excavation of the entire footprint of the home to several feet below the surface. Not only does that mean higher labor costs, but more materials are necessary for the concrete foundation walls.

The Winnebago, IL homeowners’ guide to excavation services

From average costs to expert advice, get all the answers you need to get your job done.

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