DIAMOND CONSTRUCTION AND BUILDING MAINTENANCE INC
Suspended: workers' compensation coverage lapsed. A contractor whose license is not clear is not legally permitted to contract for work in California until the issue is resolved.
License
- Status
- WORK COMP SUSP
- First issued
- May 27, 2014
- Expires
- May 31, 2028
- Entity
- Corporation
- Address of record
- 1921 RIDGEMONT DR, San Jose, CA 95148
- Phone of record
- (408) 881 4890
Contractor bond
- Surety
- ATLANTIC SPECIALTY INSURANCE COMPANY
- Bond number
- 800230974
- Amount
- $25,000
- Effective
- May 1, 2026
Workers’ compensation
- Carrier
- OAK RIVER INSURANCE COMPANY
- Policy number
- DIWC632145
- Effective
- July 20, 2025
- Expires
- July 20, 2026
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 553 licensed electrical contractors in San Jose.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| CHANG PHILLIP | Responsible Managing Officer/Chief Executive Officer/President | May 22, 2021 | Current |
| CHANG PHILLIP | Chief Executive Officer/President | May 27, 2014 | May 22, 2021 |
| CHOW WINSTON | Deceased | December 28, 2020 | December 28, 2020 |
| CHOW WINSTON | Responsible Managing Officer | May 27, 2014 | November 16, 2015 |
| CHOW WINSTON | Responsible Managing Officer | March 18, 2016 | December 28, 2020 |
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.