Massone Mechanical INC, C-20 HVAC Contractor in Alamo, CA
Massone Mechanical INC operating as a corporation holds an active California contractor license (CSLB #615532), valid through Mar 31, 2027. First issued in 1991, the license has been on the CSLB roster for 35 years. It carries 2 CSLB classifications: C-20 HVAC Contractor and C-38 Refrigeration Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Oak River Insurance Company. The business is based in Alamo, in Contra Costa County, California.
- License Number
- 615532
- Issued
- Mar 19, 1991
- Status
- CLEAR
- Expires
- Mar 31, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC1034988
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Oak River Insurance Company
- Policy Number
- MAWC751915
- Effective
- Jan 11, 2026
- Expires
- Jan 11, 2027
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Massone Mechanical INC licensed in California?
Yes. Massone Mechanical INC holds California Contractors State License Board license number 615532, which is active and in good standing. The license was first issued on March 19, 1991. It is valid through March 31, 2027.
What does Massone Mechanical INC specialize in?
Massone Mechanical INC is licensed for 2 CSLB classifications: C-20 HVAC Contractor and C-38 Refrigeration Contractor.
Where is Massone Mechanical INC headquartered?
Massone Mechanical INC is headquartered at P O Box 40, Alamo, CA 94507, in Contra Costa County, California.
Does Massone Mechanical INC have an active surety bond on file with CSLB?
Yes. Massone Mechanical INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Massone Mechanical INC carry workers' compensation coverage?
Yes. Massone Mechanical INC carries active workers' compensation coverage through Oak River Insurance Company.
How do I verify Massone Mechanical INC's contractor license?
You can verify Massone Mechanical INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=615532.
- License issuedMar 19, 1991
- Bond activeJan 1, 2023
- WC coverage startsJan 11, 2026
- WC expiresJan 11, 2027
- License expiresMar 31, 2027
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