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Verified Reviews for Excavation pros in Mendocino, CA

*The Angi rating for Excavation companies in Mendocino, CA 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 Mendocino, CA 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 August 10, 2026

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Avatar for Nickel Creek Landscape
Nickel Creek Landscape
4.6(
19
)
Landscape - Minor Grading or Resloping

Serving Mendocino, CA and surrounding areas

In business since 1990

Free estimates

Small jobs welcome

"Our project they performed for us was a takedown of an an old existing wood retaining wall and installing a new concrete block wall and steps. Fantastic design and building around 100 feet of wall and steps. They insured that there was proper drainage by installing good drain material behind the wall so no buckling of it could ever occur and good drain outlets were installed. It looks great and we have had many compliments on it and their work. We would not hesitate to call them on other projects we might need."
New landscape
Back Yard Project- Yard was from a empty slate
This landscape was a clean slate when we started,
Water adds a soothing environment to a landscape
Front entry

+81

Response time3 days
Recommended by100%of homeowners
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Avatar for Diamond D Construction, LLC
Diamond D Construction, LLC
3.5(
6
)
Excavation - Major Grading or ReslopingExcavation - Major Grading or Resloping - For BusinessLandscape - Minor Grading or Resloping

Serving Mendocino, CA and surrounding areas

In business since 2017

Free estimates

Offers commercial services

"They are efficient, customer service oriented, always in a timely manner, and everything they promised they delivered."
Response time3 days
Recommended by100%of homeowners
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L.D. Giacomini Enterprises, Inc.
New to Angi
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Mendocino, CA and surrounding areas

In business since 1949

Free estimates

Credit card accepted

We are a family owned business locally owned and operated that upholds a standard of integrity bound by fairness, honesty and personal responsibility.Our distinction is our quality service and accurate knowledge of the trade.We specialize in land clearing, grading, sighting, preconstruction,creek restoration and heavy duty equipment hauling and heavy duty equipment rentals.

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Excavating questions, answered by experts

If you don’t have a crawl space but have a partial basement you want to make deeper, you can expect to spend a little less—between $40,000 and $90,000 on average. However, if you’re not adding new finished square footage, you won’t see much in the way of ROI.

The physical constraints of hand-drilling a well limit the depth you can achieve. Manually digging with picks and shovels may only lead to shallow wells of up to 60 feet in depth. To reach greater depths, you need more specialized equipment. The diameter of your well and the tools you’re using will determine how far down you can dig.

Underground downspouts refer to the sections of downspout extensions that lead away from your home and gutter system. While they cost more than traditional extensions, they can provide several benefits, such as less frequent damage and no need to move them for lawn care tasks. Whether they're worth it or not depends on your budget at installation time and how much convenience they'll add to your situation.

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.

Yes, trenchers can go through gravel. Gravel is made up of smaller, softer rocks that certain trenchers are able to cut through. Just be sure to use a rock wheel trencher or chain trencher, both of which are made to cut through rocky landscapes and gravel pathways without dulling the teeth or chain.

The Mendocino, CA 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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