✓

License is active

Source: Contractors State License Board (CSLB)

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Licensed

Current and in good standing

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Bonded

$25,000 surety bond

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Insured

Workers' comp coverage on file

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Clean record

No complaints or disciplinary actions

California licensing requirements →

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CARBON ZERO BUILDINGS INC

License Number: 1098901
State: California
Status: active
Business Type: Corporation
Address: 3515 MT DIABLO BLVD #82 LAFAYETTE, CA, 94549 Contra Costa County
Phone: (510) 255 0044

License Dates

Issued

11/21/2022

Expires

11/30/2026

Expires in 8 months

CSLB Last Updated

12/18/2025

License Classifications

B General Building Contractor

Personnel & Officers

MCNAMARA ANDREW JOHN

Responsible Managing Officer/Chief Executive Officer/President

Active

SHERMAN GREGORY MICHAEL

Officer

Active

Contractor Bond

Bonded

Amount: $25,000

Company: WESTERN SURETY COMPANY

Bond #66433532

Effective: 01/01/2023

Workers' Compensation

Has policy

Carrier: STATE COMPENSATION INSURANCE FUND

Policy #9332129

Effective: 01/26/2023

Expires: 01/26/2027

CSLB designation: Workers' Compensation Insurance

Complaints & Disciplinary History

No disciplinary actions on file

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

881 Turk St, 94102

revision to pa #202410183281: revised mechanical t24 page & elimnate uneccsary special inspection. to remove the nrca-mch-08, nrca-mch-09, and nrca-mch-10 items

2025-12-03

complete

otc alterations permit

333 Baker St, 94117

revision to permit 202506068146 to clarify new disconnect switch.

2025-11-20

issued

otc alterations permit

333 Baker St, 94117

remove 2 water boilers, reconfigure solar and boiler storage, provide new hot water heat pump on roof within associated electrical, plumbing and mechanical work

$175,000

2025-07-01

issued

otc alterations permit

1180 04th St, 94158

remove old water boilers, install new heat pump, new hot water heating system, install new heat pump and perfrom associated electrical work, disconnect and cap gas pipes.

$200,000

2025-06-06

issued

otc alterations permit

54 Mcallister St, 94102

revision to pa # 2025-0110-8130 revision to remove the step up/ step down transformer, add new conductor, new exterior cable and remove upgraded panel

2025-04-01

issued

otc alterations permit

879 Turk St, 94102

revision to 202410183281, revision to upgrade electrical support and associated structural attachments to approved mechanical upgrades.

$5,000

2025-03-26

complete

otc alterations permit

54 Mcallister St, 94102

upgrade to plumbing system (heat pumps & buffer tanks) and associated electrical work at roof top

$177,000

2025-01-29

issued

otc alterations permit

347 Dolores St, 94110

demo & remove (e) gas water heater and provide new heat pump water heating system with buffer tank & electric swing tank

$150,000

2024-12-06

complete

otc alterations permit

879 Turk St, 94102

updating mechanical, electrical and plumbing systems in an existing apartment building and including structural supports. all work to incur in common area

$300,000

2024-12-06

complete

otc alterations permit

118 Diamond St, 94114

replace existing gas central water heater system with a wall mounted electric heat pump sysem. replace existing gas rtu with heat pump rtu. upgrade elec circuit to laundry room.

$55,776

2023-10-03

complete

Showing 10 of 11 permits

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Data sourced from official state licensing board records. Always confirm critical information directly with the state board.