Mcmaster Mechanical, C-20 HVAC Contractor in Diamond Bar, CA
Mcmaster Mechanical operating as a corporation holds an active California contractor license (CSLB #879152), valid through Feb 28, 2027. First issued in 2006, the license has been on the CSLB roster for 20 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Hudson Insurance Company and a previously-filed workers' compensation policy with Employers Preferred Insurance Company that is no longer active. The business is based in Diamond Bar, in Los Angeles County, California.
- License Number
- 879152
- Issued
- Jun 10, 2006
- Status
- CLEAR
- Expires
- Feb 28, 2027
- Entity
- Corporation
- Surety
- Hudson Insurance Company
- Bond Number
- 30122180
- Effective
- Sep 8, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Employers Preferred Insurance Company
- Policy Number
- EIG522801302
- Effective
- Jun 1, 2025
- Expires
- Jun 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 Mcmaster Mechanical licensed in California?
Yes. Mcmaster Mechanical holds California Contractors State License Board license number 879152, which is active and in good standing. The license was first issued on June 10, 2006. It is valid through February 28, 2027.
What does Mcmaster Mechanical specialize in?
Mcmaster Mechanical is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Mcmaster Mechanical headquartered?
Mcmaster Mechanical is headquartered at 20903 Ambushers Street, Diamond Bar, CA 91765, in Los Angeles County, California.
Does Mcmaster Mechanical have an active surety bond on file with CSLB?
Yes. Mcmaster Mechanical has an active California contractor surety bond filed with Hudson Insurance Company.
Does Mcmaster Mechanical carry workers' compensation coverage?
Mcmaster Mechanical has a previously-filed workers' compensation policy with Employers Preferred Insurance Company that is no longer active.
How do I verify Mcmaster Mechanical's contractor license?
You can verify Mcmaster Mechanical's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=879152.
- License issuedJun 10, 2006
- Bond activeSep 8, 2023
- WC coverage startsJun 1, 2025
- WC expiredJun 1, 2026
- License expiresFeb 28, 2027
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