License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
Hiring this contractor?
Get alerts if their license status changes.
You're monitoring this license!
We'll email you if the license status, bond, or complaint history changes.
Something went wrong
Is this your business?
Claim your profile to manage your listing.
Claim request submitted!
We'll be in touch at the email you provided to verify your identity.
Something went wrong
SWINERTON ENERGY INC
- License Number
- 1125731
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 2001 CLAYTON ROAD 7TH FLOOR CONCORD, CA, 94520 Contra Costa County
- Phone
- (925) 602 6400
License Dates
Issued
08/28/2024
Expires
08/31/2026
Expires in 5 months — verify renewal before long contracts
CSLB Last Updated
08/07/2025
License Classifications
Personnel & Officers
MURPHY SHERI ANN
Officer
KRETZSCHMAR TIMOTHY JOHN
Officer
CALLIS DAVID CLIFFORD
Officer
TOWNSEND AARON MATTHEW
Responsible Managing Officer/Chief Executive Officer/President
Qualifier bond: ZURICH AMERICAN INSURANCE COMPANY
ELMONT NICHOLAS PAUL
Officer
Contractor Bond
Amount: $25,000
Company: ZURICH AMERICAN INSURANCE COMPANY
Bond #9441925
Effective: 04/17/2024
Workers' Compensation
Carrier: FIRST LIBERTY INSURANCE CORPORATION
Policy #WA666D066493035
Effective: 08/01/2025
Expires: 08/01/2026
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Verify this record on the official state licensing board
View on Contractors State License Board (CSLB) →Learn how to verify contractor licenses in California
California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
Verify Another Contractor
Homeowner Resources
Other Licensed General Engineering Contractor in CONCORD
BAY AREA GREENSCAPES INC
License #938445 · CA
FLATIRON KIEWIT A JOINT VENTURE
License #947729 · CA
BLUELINE ENGINEERING INC
License #948803 · CA
J C C INC
License #981209 · CA
DMZ BUILDERS
License #986594 · CA