GRIFFIN/SWINERTON LLC
License
- Status
- CLEAR
- First issued
- October 12, 2018
- Expires
- October 31, 2026
- Entity
- Limited Liability
- Address of record
- 2001 CLAYTON ROAD 7TH FLOOR, Concord, CA 94520
- Phone of record
- (925) 602 6400
Contractor bond
- Surety
- LIBERTY MUTUAL INSURANCE COMPANY
- Bond number
- 070207101
- Amount
- $25,000
- Effective
- January 1, 2023
Workers’ compensation
- Carrier
- ZURICH AMERICAN INSURANCE COMPANY
- Policy number
- WC147801705
- Effective
- August 22, 2026
- Expires
- August 22, 2027
Are they licensed for your job?
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Licensed to perform
A contractor may only contract for work within their classifications. See all 531 licensed general building contractors in Concord.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| CALLIS DAVID CLIFFORD | LLC Manager | October 12, 2018 | Current |
| HOGLUND MARK GREGORY | LLC Manager | October 12, 2018 | Current |
| KRETZSCHMAR TIMOTHY JOHN | LLC Manager | September 23, 2025 | Current |
| TORRIERO ROGER NELLO | Responsible Managing Member | October 12, 2018 | Current |
| CAPENER JOHN THOMAS | LLC Manager | October 12, 2018 | July 1, 2025 |
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Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.