Expert Tree Service, A General Engineering Contractor in Orinda, CA
Expert Tree Service operating as a corporation holds an active California contractor license (CSLB #621402), valid through Jun 30, 2027. First issued in 1991, the license has been on the CSLB roster for 35 years. It carries 5 CSLB classifications: A General Engineering Contractor, C-21 Building Moving / Demolition Contractor, C-27 Landscaping Contractor, C-57 Well Drilling Contractor, and C-61/D-49 Tree Service Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from Omaha National Casualty Company. The business is based in Orinda, in Contra Costa County, California.
- License Number
- 621402
- Issued
- Jun 6, 1991
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 67694792
- Effective
- Mar 29, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Omaha National Casualty Company
- Policy Number
- ONCC1034906
- Effective
- Oct 1, 2025
- Expires
- Oct 1, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Expert Tree Service licensed in California?
Yes. Expert Tree Service holds California Contractors State License Board license number 621402, which is active and in good standing. The license was first issued on June 6, 1991. It is valid through June 30, 2027.
What does Expert Tree Service specialize in?
Expert Tree Service is licensed for 5 CSLB classifications: A General Engineering Contractor, C-21 Building Moving / Demolition Contractor, C-27 Landscaping Contractor, C-57 Well Drilling Contractor, and C-61/D-49 Tree Service Contractor.
Where is Expert Tree Service headquartered?
Expert Tree Service is headquartered at P O Box 1256, Orinda, CA 94563, in Contra Costa County, California.
Does Expert Tree Service have an active surety bond on file with CSLB?
Yes. Expert Tree Service has an active California contractor surety bond filed with Western Surety Company.
Does Expert Tree Service carry workers' compensation coverage?
Yes. Expert Tree Service carries active workers' compensation coverage through Omaha National Casualty Company.
How do I verify Expert Tree Service's contractor license?
You can verify Expert Tree Service's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=621402.
- License issuedJun 6, 1991
- WC coverage startsOct 1, 2025
- Bond activeMar 29, 2026
- WC expiresOct 1, 2026
- License expiresJun 30, 2027
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