Clear
SDI INSULATION INC
License
- Status
- CLEAR
- First issued
- November 29, 1990
- Expires
- November 30, 2026
- Entity
- Corporation
- Address of record
- 370 LANG RD, Burlingame, CA 94010
- Phone of record
- (650) 685 5500
Contractor bond
- Surety
- AMERICAN CONTRACTORS INDEMNITY COMPANY
- Bond number
- SC6033441
- Amount
- $25,000
- Effective
- January 1, 2023
Workers’ compensation
- Carrier
- STATE COMPENSATION INSURANCE FUND
- Policy number
- 9396308
- Effective
- February 28, 2026
- Expires
- February 28, 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
- B General Building Contractor
- C-2 Insulation and Acoustical Contractor
- D-34 Prefabricated Equipment
- D-65 Weatherization and Energy Conservation
A contractor may only contract for work within their classifications.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| DE LORENZI STEVEN BRETT | Officer | July 20, 2016 | Current |
| DE LORENZI STEVEN GERARD | Responsible Managing Officer/Chief Executive Officer/President | December 30, 2009 | Current |
| DE LORENZI STEVEN GERARD | Responsible Managing Officer/Chief Executive Officer/President | April 29, 2009 | Current |
| DE LORENZI STEVEN GERARD | Responsible Managing Officer/Chief Executive Officer/President | January 7, 2010 | Current |
| DE LORENZI STEVEN GERARD | Responsible Managing Officer/Chief Executive Officer/President | January 30, 2019 | Current |
| DE LORENZI STEVEN GERARD | Chief Executive Officer/President | March 26, 2009 | April 29, 2009 |
| DE LORENZI STEVEN GERARD | Responsible Managing Officer | November 29, 1990 | November 13, 2000 |
| DE LORENZI STEVEN GERARD | Responsible Managing Officer/Chief Executive Officer/President | November 13, 2000 | March 26, 2009 |
| GOULD KAREN ANNE | Responsible Managing Officer | March 26, 2009 | April 29, 2009 |
| MAK ALEX KWOK | Chief Executive Officer/President | November 29, 1990 | November 13, 2000 |
| MORSHEAD JAMES STANLIEGH | Responsible Managing Officer | September 29, 2011 | January 30, 2019 |
Is this your license?
Claim this page to add your photos, description, service area and contact details. The state’s record above stays exactly as it is — claiming adds to a page, it never edits or hides anything the CSLB reports.
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.