Prime Mechanical Service INC, B General Building Contractor in Livermore, CA
Prime Mechanical Service INC operating as a corporation holds an active California contractor license (CSLB #819114), valid through Jan 31, 2027. First issued in 2003, the license has been on the CSLB roster for 23 years. It carries 5 CSLB classifications: B General Building Contractor, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-20 HVAC Contractor, C-36 Plumbing Contractor, and C-38 Refrigeration Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and a previously-filed workers' compensation policy with Ace American Insurance Company that is no longer active. The business is based in Livermore, in Alameda County, California.
- License Number
- 819114
- Issued
- Apr 23, 2003
- Status
- CLEAR
- Expires
- Jan 31, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100971918
- Effective
- Jun 25, 2025
- Status
- Active
- Coverage
- Leasing Firm, Temp Agency, etc
- Carrier
- Ace American Insurance Company
- Policy Number
- C73853126
- Effective
- Aug 1, 2025
- Expires
- Aug 1, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Prime Mechanical Service INC licensed in California?
Yes. Prime Mechanical Service INC holds California Contractors State License Board license number 819114, which is active and in good standing. The license was first issued on April 23, 2003. It is valid through January 31, 2027.
What does Prime Mechanical Service INC specialize in?
Prime Mechanical Service INC is licensed for 5 CSLB classifications: B General Building Contractor, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-20 HVAC Contractor, C-36 Plumbing Contractor, and C-38 Refrigeration Contractor.
Where is Prime Mechanical Service INC headquartered?
Prime Mechanical Service INC is headquartered at 296 Wright Brothers Avenue, Livermore, CA 94551, in Alameda County, California.
Does Prime Mechanical Service INC have an active surety bond on file with CSLB?
Yes. Prime Mechanical Service INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Prime Mechanical Service INC carry workers' compensation coverage?
Prime Mechanical Service INC has a previously-filed workers' compensation policy with Ace American Insurance Company that is no longer active.
How do I verify Prime Mechanical Service INC's contractor license?
You can verify Prime Mechanical Service INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=819114.
- License issuedApr 23, 2003
- Bond activeJun 25, 2025
- WC coverage startsAug 1, 2025
- WC expiredAug 1, 2026
- License expiresJan 31, 2027
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