Clear
DORMATECH MECHANICAL SYSTEMS INC
License
- Status
- CLEAR
- First issued
- June 29, 2015
- Expires
- June 30, 2027
- Entity
- Corporation
- Address of record
- 400 CONTRA COSTA STREET, Vallejo, CA 94590
- Phone of record
- (707) 653 4344
Contractor bond
- Surety
- ATLANTIC SPECIALTY INSURANCE COMPANY
- Bond number
- 800247739
- Amount
- $25,000
- Effective
- June 8, 2026
Workers’ compensation
- Carrier
- EVEREST PREMIER INSURANCE COMPANY
- Policy number
- 7600025929261
- Effective
- July 21, 2026
- Expires
- July 21, 2027
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
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
A contractor may only contract for work within their classifications. See all 14 licensed warm-air heating, ventilating and air-conditioning contractors in Vallejo.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| MULHOLLAND MARK LEE | Responsible Managing Officer/Chief Executive Officer/President | June 29, 2015 | Current |
| MULHOLLAND MARK LEE | Responsible Managing Officer/Chief Executive Officer/President | January 18, 2017 | Current |
| NATIVIDAD DOROTHY ANNETTE | Officer | June 29, 2015 | Current |
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.