M&a Mechanical Service LLC, C-20 HVAC Contractor in Livermore, CA
M&a Mechanical Service LLC operating as a limited liability holds an active California contractor license (CSLB #1141566), valid through Aug 31, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries 2 CSLB classifications: C-20 HVAC Contractor and C-43 Sheet Metal Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from Oak River Insurance Company. The business is based in Livermore, in Alameda County, California.
- License Number
- 1141566
- Issued
- Aug 5, 2025
- Status
- CLEAR
- Expires
- Aug 31, 2027
- Entity
- Limited Liability
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101583354
- Effective
- Jul 22, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Oak River Insurance Company
- Policy Number
- MEWC650923
- Effective
- Oct 5, 2025
- Expires
- Oct 5, 2026
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is M&a Mechanical Service LLC licensed in California?
Yes. M&a Mechanical Service LLC holds California Contractors State License Board license number 1141566, which is active and in good standing. The license was first issued on August 5, 2025. It is valid through August 31, 2027.
What does M&a Mechanical Service LLC specialize in?
M&a Mechanical Service LLC is licensed for 2 CSLB classifications: C-20 HVAC Contractor and C-43 Sheet Metal Contractor.
Where is M&a Mechanical Service LLC headquartered?
M&a Mechanical Service LLC is headquartered at 3987 First St Ste A, Livermore, CA 94551, in Alameda County, California.
Does M&a Mechanical Service LLC have an active surety bond on file with CSLB?
Yes. M&a Mechanical Service LLC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does M&a Mechanical Service LLC carry workers' compensation coverage?
Yes. M&a Mechanical Service LLC carries active workers' compensation coverage through Oak River Insurance Company.
How do I verify M&a Mechanical Service LLC's contractor license?
You can verify M&a Mechanical Service LLC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1141566.
- Bond activeJul 22, 2025
- License issuedAug 5, 2025
- WC coverage startsOct 5, 2025
- WC expiresOct 5, 2026
- License expiresAug 31, 2027
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