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Diamond Certified Company Report

Advance Tree Service, Inc.
We declare that this company HAS QUALIFIED for and continues to meet the Ongoing Research and Rating Requirements for Diamond Certified® status.
10 Consecutive Years  Certificate #1154

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Based on 325 surveys of verified customers

Company Credentials

Workers Compensation
Liability Insurance
License Verification
Business Practices
Current Complaint File

Diamond Certified Qualification

Based on 325 customer surveys, we declare
Advance Tree Service, Inc.
has passed all rating steps and has earned
The Diamond Certified Award
No. 1154
Continuously qualified since October 2007.
David Pak
Director of Ratings Research
American Ratings Corporation

Verbatim Survey Responses

N.L.   Verified Customer Name
“They are reliable.”
T.A.   Verified Customer Name
“They provide good quality work. ”
Bill C.  Verified Customer Name
“They worked with me on getting my project done.”
Click to read all survey responses

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Diamond Certified Profile Article

(925) 935-9397
(925) 935-6655 fax
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Advance Tree Service, Inc. provides full-service tree care for residential and commercial clients in Contra Costa, Alameda, and Solano Counties. The family-owned and operated company provides treescape maintenance, tree removals, stump grinding, emergency care, new tree installation, and more.