Contractor Lookout is an independent website, not affiliated with CSLB or the State of California. This record comes from CSLB's public data file dated November 1, 2026 and may be out of date. Not a consumer report under the FCRA.
Marina Mechanical Services: CSLB License #416198
Source: CSLB public data · Updated November 1, 2026 · Official CSLB record
Verify live status on CSLB's Instant License Check before hiring.
Verify live on CSLB Report an error / remove my address
The license is active with no suspension on record, though classifications, bonds and secondary flags still deserve a look.
License details
- License number
- 416198
- Primary status
- CLEAR · what this means
- Business type
- Corporation
- Issued
- December 31, 1981 (44 years)
- Expires
- December 31, 2027
- Classifications
- C-10 Electrical Contractor
C-2 Insulation and Acoustical Contractor
C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
C-36 Plumbing Contractor
C-38 Refrigeration Contractor
C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
C-43 Sheet Metal Contractor - Mailing address
- 4763 Bennett Drive, Livermore, CA, 94551
- Phone
- (510) 614 3500
Workers' compensation
- Type
- Workers' Compensation Insurance
- Insurer
- Zurich American Insurance Company
- Policy number
- WC600480100
- Effective
- November 1, 2025
- Expires
- November 1, 2026
Confirm coverage with CSLB's insurer search. How to check workers' comp.
Contractor's bond
- Surety
- The Guarantee Company of North America USA
- Bond number
- 12045155
- Amount
- $25,000
- Effective
- January 1, 2023
Status history
No changes recorded since we began tracking this license on November 1, 2026. We compare every weekly CSLB file and log changes to status, bonds, workers' comp and classifications here.
Related
- Licensed electricians in Livermore
- Licensed HVAC contractors in Livermore
- Licensed plumbers in Livermore
- Licensed contractors in Livermore
- Contractors in Alameda County
- What "CLEAR" means
- How to check a contractor license
Data: CSLB Public Data Portal, file dated November 1, 2026. Status can change at any time. Verify on CSLB's Instant License Check. This site is not a consumer reporting agency under the FCRA; don't use it for employment, credit, insurance or housing decisions about an individual.