Clear
A T C MECHANICAL LLC
License
- Status
- CLEAR
- First issued
- August 29, 2018
- Reissued
- November 9, 2022
- Expires
- November 30, 2026
- Entity
- Limited Liability
- Address of record
- 1827 GROSS LN, Concord, CA 94519
- Phone of record
- (925) 818 8084
Contractor bond
- Surety
- BUSINESS ALLIANCE INSURANCE COMPANY
- Bond number
- G121010595760
- Amount
- $25,000
- Effective
- January 1, 2023
Workers’ compensation
- Carrier
- SUNZ INSURANCE COMPANY
- Policy number
- WC04100430025
- Effective
- October 1, 2025
- Expires
- October 1, 2026
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
A contractor may only contract for work within their classifications. See all 73 licensed warm-air heating, ventilating and air-conditioning contractors in Concord.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| SIMOV STILIYAN ZVEZDELINOV | Responsible Managing Manager | November 9, 2022 | Current |
| SIMOV STILIYAN ZVEZDELINOV | Sole Owner | August 29, 2018 | November 9, 2022 |
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.