License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
WC exempt
No employees — exempt from requirement
Clean record
No complaints or disciplinary actions
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ARCHITECTURAL SHEET METAL CORPORATION
- License Number
- 300720
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 4960 RANCH RD TIBURON, CA, 94920 Marin County
- Phone
- (415) 789 7900
License Dates
Issued
12/09/1974
Expires
12/31/2027
Expires in 21 months
CSLB Last Updated
12/31/2025
License Classifications
Personnel & Officers
KOLTHOFF GEORGIA LEE
Deceased
DUERING DEBRA LYNN
Officer
KOLTHOFF JEANETTE R| SCHAFFER JEANETTE R
Officer
KOLTHOFF WILLIAM WAYNE
Responsible Managing Officer/Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #100993137
Effective: 09/11/2025
Workers' Compensation
Owner/officer with no employees — exempt from WC requirement
CSLB designation: Exempt
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
767 North Point St, 94109
to remove a piece of metal at the end of gutter
$400
2005-01-27
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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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