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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A T C MECHANICAL LLC
Owner: ATC MECHANICAL LLC
- License Number
- 1043760
- State
- California
- Status
- active
- Business Type
- Limited Liability
- Address
- 1827 GROSS LN CONCORD, CA, 94519 Contra Costa County
- Phone
- (925) 818 8084
License Dates
Issued
08/29/2018
Expires
11/30/2026
Expires in 8 months
Reissued
11/09/2022
CSLB Last Updated
12/09/2025
License Classifications
Personnel & Officers
SIMOV STILIYAN ZVEZDELINOV
Responsible Managing Manager
Contractor Bond
Amount: $25,000
Company: BUSINESS ALLIANCE INSURANCE COMPANY
Bond #G121010595760
Effective: 01/01/2023
Workers' Compensation
Policy #WC04100430025
Effective: 10/01/2025
Expires: 10/01/2026
CSLB designation: Workers' Compensation Insurance
Wage Bond
Amount: $100,000
Company: UNITED SURETY INSURANCE COMPANY
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
77 Federal St, 94107
relocate 25 samsung cassettes for level 2 and 3. remove 3 cassettes on level 2 and 3. supply and install 2.5 ton ducted fan coil, with supply and retuen ducting for 8 offices (lvl 2&3) remove exisitng
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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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