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
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BLACK DIAMOND PAVER STONES & LANDSCAPE INC
- License Number
- 841042
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 1975 HAMILTON AVE STE 5 SAN JOSE, CA, 95125 Santa Clara County
- Phone
- (800) 942 1955
License Dates
Issued
06/18/2004
Expires
01/31/2028
Expires in 22 months
Reissued
01/27/2012
CSLB Last Updated
01/22/2026
License Classifications
Personnel & Officers
CHEN WILLIAM WEICHUNG
Chief Executive Officer/President
VAN ALST TIFFANY
Chief Executive Officer/President
LANIOHAN MATTHEW WAYNE
Responsible Managing Officer
GREENWOOD MICHAEL GEORGE
Responsible Managing Employee
Qualifier bond: WESTERN SURETY COMPANY
VAN ALST ROGER WILSON
Responsible Managing Officer/Chief Executive Officer/President
SGAMBATI ANTHONY RALPH
Responsible Managing Employee
Qualifier bond: WESTERN SURETY COMPANY
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #100915851
Effective: 01/06/2025
Workers' Compensation
Carrier: BERKSHIRE HATHAWAY HOMESTATE INSURANCE COMPANY
Policy #BLWC641008
Effective: 10/12/2025
Expires: 10/12/2026
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.
Building Permits
Source: LA City Open Data (LADBS)
otc alterations permit
2145 20th Av, 94116
install 316 sq ft of permeable interblocking pavers. 104 sq ft of new landscaping. 1 street tree
$19,000
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California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
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