A-1 CONSTRUCTION GENERAL ENGINEERING INC
This license is in good standing, but the workers’ compensation policy on file expired September 2026. If a worker is injured on your project without coverage, the liability can reach you as the homeowner. Ask for a current certificate of insurance before signing.
License
- Status
- CLEAR · Pending IFS| WC Susp Pending
- First issued
- March 9, 2010
- Reissued
- February 15, 2018
- Expires
- February 29, 2028
- Entity
- Corporation
- Address of record
- 4061 E CASTRO VALLEY BLVD153, Castro Valley, CA 94552
- Phone of record
- (510) 728 9231
Contractor bond
- Surety
- AMERICAN CONTRACTORS INDEMNITY COMPANY
- Bond number
- 101082255
- Amount
- $25,000
- Effective
- June 22, 2026
- Cancelled
- October 1, 2026
Workers’ compensation
- Carrier
- STATE COMPENSATION INSURANCE FUND
- Policy number
- 9386653
- Effective
- September 3, 2025
- Expires
- September 3, 2026lapsed
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 16 licensed general engineering contractors in Castro Valley.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| MADISON JOSEPH LEON | Responsible Managing Officer/Chief Executive Officer/President | February 15, 2018 | August 5, 2026 |
| MADISON JOSEPH LEON | Sole Owner | March 9, 2010 | February 15, 2018 |
| MADISON JOSEPH LEON | Sole Owner | February 17, 2012 | February 15, 2018 |
| PIDDOCK ROBERT DAVIS | Officer | February 15, 2018 | May 12, 2026 |
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.