Earthwork contractor in Diamond Bar, CA handling excavation and drainage and pond work. Rated 4.9 on Google across 477 reviews.
Diamond Bar, California
2 Best Excavation Contractors in Diamond Bar, CA
2 earthwork contractors working Diamond Bar, CA, 1 rated on Google. Filter by the job you need, then call direct.
Earthwork contractors in Diamond Bar: every listing
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Earthwork contractor in Diamond Bar, CA handling demolition and grading and site prep.
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About earthwork contractors in Diamond Bar
Diamond Bar, California carries a short bench: 2 earthwork contractors, Roto-Rooter Plumbing & Water Cleanup and american demolition & grading. Between them we can evidence excavation, drainage & ponds, grading & site prep and demolition. 1 of the 2 carry Google ratings, averaging 4.9 stars. If none of them fits the job, crews from nearby towns take work here too; the California page ranks every city we cover by how many contractors work it. Every listing is compiled from public Google Maps business data (our harvest ran July 2026), and a trade we do not show is one we found no evidence of, not one the firm turns down. Updated for 2026.
Where these numbers come from: how we build and check our listings.
Excavation in Diamond Bar: questions
How much does excavation cost in Diamond Bar?
Excavation in Diamond Bar is quoted by the job or the machine day, not off a price list. A small residential dig commonly lands between $1,500 and $5,000; what moves it is access, how far the spoil has to travel, whether you hit rock, and what the CA permit and dig-safe process adds. Call two or three of the 2 contractors above and describe the same scope to each, or the numbers will not be comparable.
Which excavation contractor in Diamond Bar is rated highest?
Roto-Rooter Plumbing & Water Cleanup is the highest-rated earthwork contractor in our Diamond Bar list, at 4.9 stars from 477 Google reviews. Of the 2 contractors working Diamond Bar, 1 is rated 4.5 stars or higher (the list averages 4.9).
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