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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UNITED MECHANICAL
DBA: CALIFORNIA UNITED MECHANICAL INC
- License Number
- 828335
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 2185 OAKLAND ROAD SAN JOSE, CA, 95131 Santa Clara County
- Phone
- (408) 232 9000
License Dates
Issued
12/11/2003
Expires
12/31/2027
Expires in 21 months
CSLB Last Updated
12/12/2025
License Classifications
Personnel & Officers
GUNDERSEN JAN ERIK| GUNDERSEN JON ERIK
Officer
SOSINE THOMAS LEE| SOSINE TOM LEE
Responsible Managing Officer/Chief Executive Officer/President
BERTOLAMI LEONARD CEASERE
Responsible Managing Officer/Chief Executive Officer/President
Qualifier bond: ARCH INSURANCE COMPANY
HADINGER WILLIAM JOSEPH
Responsible Managing Officer
Qualifier bond: ARCH INSURANCE COMPANY
Contractor Bond
Amount: $25,000
Company: ARCH INSURANCE COMPANY
Bond #SU1143918
Effective: 01/01/2023
Workers' Compensation
Carrier: ZURICH AMERICAN INSURANCE COMPANY
Policy #WC508458913
Effective: 11/01/2025
Expires: 11/01/2026
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
465 California St, 94104
add 4 fire smoke dampers for rated room. revision to 201504274706
additions alterations or repairs
201 Spear St, 94105
18/f: revision to permit 202503111972. install fire smoke damper to replace smoke control pressurization.
$5,000
otc alterations permit
201 Spear St, 94105
replace existing fsd. revision to pa#202503111972
$5,000
2025-08-18
otc alterations permit
201 Spear St, 94105
18/fl-ref ti 202412025941- install ductwork to (e) main and (n) vav boxes grilles connect (n) heating hot water piping to (e)
$150,000
2025-03-11
otc alterations permit
875 Stevenson St, 94103
replace (3) ahu with new on roof.
$1,050,000
2024-08-13
otc alterations permit
1199 Bush St, 94109
demo boiler, boiler replacement. install new boiler primary & secondary pumps, air separtor and expansion tank
$150,000
2023-09-27
otc alterations permit
535 Mission St, 94105
install 2 new filtration system for(2) existing cooling towers on the roof.
$80,000
2022-08-26
otc alterations permit
3200 California St, 94118
1st floor: install one threeton mini split ac unit
$3,000
2021-08-06
otc alterations permit
180 Post St, 94108
replace 1 cooling tower. replace 3 pumps (2 on condenser water loop & 1 on hhw). add 1 heat exchanger.
$150,000
2021-07-15
otc alterations permit
50 Beale St, 94105
install new water source heat pump unit
$20,000
2021-07-01
Showing 10 of 34 permits
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