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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SDI INSULATION INC
- License Number
- 607274
- State
- California
- Status
- active WC Susp Pending
- Business Type
- Corporation
- Address
- 370 LANG RD BURLINGAME, CA, 94010 San Mateo County
- Phone
- (650) 685 5500
License Dates
Issued
11/29/1990
Expires
11/30/2026
Expires in 8 months
CSLB Last Updated
03/12/2026
License Classifications
Personnel & Officers
DE LORENZI STEVEN GERARD
Responsible Managing Officer/Chief Executive Officer/President
GOULD KAREN ANNE
Responsible Managing Officer
MAK ALEX KWOK
Chief Executive Officer/President
DE LORENZI STEVEN BRETT
Officer
MORSHEAD JAMES STANLIEGH
Responsible Managing Officer
Qualifier bond: AMERICAN CONTRACTORS INDEMNITY COMPANY
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #SC6033441
Effective: 01/01/2023
Workers' Compensation
Carrier: CYPRESS INSURANCE COMPANY
Policy #SDWC667018
Effective: 02/28/2025
Expires: 02/28/2026
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)
additions alterations or repairs
554 Athens St, 94112
legalization of (e) ground floor unit at rear of buldilng per ordiance 43-14. convert (e) bedroom, bathroom and family room into a separate unit. ref bpa8802787. remove connecting interior stair; infi
$91,791
2025-12-12
otc alterations permit
554 Athens St, 94112
replace bath tub tile, shower valve and bathroom floor tile replaced. re-install existing toilet and lavatory. tub to remain
$15,100
2024-09-25
otc alterations permit
2626 Great Hy, 94116
kitchen & bathroom: upgrade electrical, install cabinets, plumbing fixtures.
$14,000
2019-09-05
otc alterations permit
1500 Innes Av, 94124
mechanical gas fireplace install, master bedroom and living room direct vent. ref 201601076586.
$8,894
2018-12-26
otc alterations permit
837 Geary St, 94109
scope install r30 inside the attic space at roof. 6 stories, 40 units, approx. sq. ft 5,000
$4,500
2016-04-15
otc alterations permit
508 Larkin St, 94102
install r-30 fiberglass attic inulation over residential.
$4,000
2015-05-06
otc alterations permit
2785 Jackson St, 94115
install gas insert into existing masonry fireplace location. listed direct vent.
$2,400
2015-03-25
otc alterations permit
3632 Vicente St, 94116
install wood stove. revision to pa#201212065635
$3,700
2015-03-17
otc alterations permit
192 Carnelian Wy, 94131
insulation: ceiling of balcony = floor of bedroom. 9ft x20 ft area "bloon in" from balcony below intend for r-40 or better.
$1,000
2015-01-22
otc alterations permit
1570 Sutter St, 94109
install r-38 attic insulation over residential.
$7,500
2014-09-05
Showing 10 of 25 permits
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