Master Building Specialties INC, C-61/D-34 Prefabricated Equipment Contractor in Ontario, CA
Master Building Specialties INC operating as a corporation holds an active California contractor license (CSLB #616533), valid through Feb 28, 2027. First issued in 1991, the license has been on the CSLB roster for 35 years. It carries a single CSLB classification: C-61/D-34 — Prefabricated Equipment Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from Norguard Insurance Company. The business is based in Ontario, in San Bernardino County, California.
- License Number
- 616533
- Issued
- Mar 26, 1991
- Status
- CLEAR
- Expires
- Feb 28, 2027
- Entity
- Corporation
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101367703
- Effective
- Jan 12, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Norguard Insurance Company
- Policy Number
- MAWC795098
- Effective
- Feb 11, 2026
- Expires
- Feb 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 Master Building Specialties INC licensed in California?
Yes. Master Building Specialties INC holds California Contractors State License Board license number 616533, which is active and in good standing. The license was first issued on March 26, 1991. It is valid through February 28, 2027.
What does Master Building Specialties INC specialize in?
Master Building Specialties INC is licensed for one CSLB classification: C-61/D-34 Prefabricated Equipment Contractor.
Where is Master Building Specialties INC headquartered?
Master Building Specialties INC is headquartered at 5448 Morgan St, Ontario, CA 91762, in San Bernardino County, California.
Does Master Building Specialties INC have an active surety bond on file with CSLB?
Yes. Master Building Specialties INC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Master Building Specialties INC carry workers' compensation coverage?
Yes. Master Building Specialties INC carries active workers' compensation coverage through Norguard Insurance Company.
How do I verify Master Building Specialties INC's contractor license?
You can verify Master Building Specialties INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=616533.
- License issuedMar 26, 1991
- Bond activeJan 12, 2025
- WC coverage startsFeb 11, 2026
- WC expiresFeb 11, 2027
- License expiresFeb 28, 2027
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