EXPERT TREE SERVICE
California contractor license #621402 · Orinda, Contra Costa County
License
- License number
- 621402
- Status
- Clear
- Classifications
- A General Engineering Contractor
- C-21 Building Moving/Demolition Contractor
- C-27 Landscaping Contractor
- C-57 Well Drilling Contractor
- C-61/D-49 Tree Service
- Business type
- Corporation
- Issued
- Jun 6, 1991
- Expires
- Jun 30, 2027
- Workers' compensation
- Workers' Compensation Insurance — Omaha National Casualty Company
- Contractor's bond
- $25,000 — Western Surety Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Oct 1, 2026. Verify license #621402 on CSLB's License Check.
California public works
EXPERT TREE SERVICE appears on 8 public works projects registered with the California Department of Industrial Relations, 8 of them as the prime contractor, for 4 awarding bodies between 2024 and 2026. Projects it led total $1,662,422 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Aug 11, 2026 | UCB Barker, BlumOther | UC Berkeley Facility Services | Prime | $29,640 |
| Aug 5, 2026 | PW26-02Parks, landscape & fields | City of Lafayette Public Works Services | Prime | $44,000 |
| May 19, 2026 | 2026 Maintenance ContinuationOther | East Bay Regional Park District - Fire Operations | Prime | $75,000 |
| May 8, 2026 | LC006 Fairmont Ridge Eucalyptus RemovalsOther | East Bay Regional Park District - Fire Operations | Prime | $156,645 |
| Apr 21, 2026 | Tilden TI008a.b -Unit 1 - Merry-Go-RoundParks, landscape & fields | East Bay Regional Park District - Fire Operations | Prime | $947,100 |
| Apr 21, 2025 | Weed AbatementParks, landscape & fields | UC Berkeley Facility Services | Prime | $16,237 |
| Nov 6, 2024 | Pinehurst Illegal Dump Site Clean UpPaving & streets | East Bay Municipal Utility District - Purchasing | Prime | $54,500 |
| May 15, 2024 | 2024 Fire MitigationBuildings & facilities | UC Berkeley Facility Services | Prime | $339,300 |
Most recent 8 of 8. Contract amounts are the whole project's, as the awarding body reported them to DIR (reported since July 2024); a role is "Prime" when the awarding body registered the contractor on the project.
Awarding bodies it works for most
- UC Berkeley Facility Services · 3 projects
- East Bay Regional Park District - Fire Operations · 3 projects
- City of Lafayette Public Works Services · 1 project
- East Bay Municipal Utility District - Purchasing · 1 project
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