WESTEREN CONSTRUCTION LLC
License
- Status
- CLEAR
- First issued
- October 31, 1991
- Reissued
- September 15, 2025
- Expires
- September 30, 2027
- Entity
- Limited Liability
- Address of record
- 3056 CASTRO VALLEY BLVD, Castro Valley, CA 94546
- Phone of record
- (925) 580 8093
Contractor bond
- Surety
- AMERICAN CONTRACTORS INDEMNITY COMPANY
- Bond number
- 100983401
- Amount
- $25,000
- Effective
- September 15, 2025
Workers’ compensation
- Carrier
- RLI INSURANCE COMPANY
- Policy number
- RKA0400991
- Effective
- June 10, 2026
- Expires
- June 10, 2027
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
A contractor may only contract for work within their classifications. See all 227 licensed general building contractors in Castro Valley.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| ANDRADE ISAAC RION | LLC Member | September 15, 2025 | Current |
| WESTEREN STEVEN MARK | Responsible Managing Manager | September 15, 2025 | Current |
| WESTEREN STEVEN MARK | Sole Owner | October 31, 1991 | August 11, 1993 |
| WESTEREN STEVEN MARK | Sole Owner | May 30, 1997 | May 31, 2001 |
| WESTEREN STEVEN MARK | Sole Owner | November 29, 1999 | January 1, 2004 |
| WESTEREN STEVEN MARK | Sole Owner | January 4, 2018 | September 15, 2025 |
Verified status badge
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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.