MASTER BUILDING SPECIALTIES INC
License
- Status
- CLEAR
- First issued
- March 26, 1991
- Reissued
- February 2, 2007
- Expires
- February 28, 2027
- Entity
- Corporation
- Address of record
- 5448 MORGAN ST, Ontario, CA 91762
- Phone of record
- (909) 393 0186
Contractor bond
- Surety
- MERCHANTS BONDING COMPANY (MUTUAL)
- Bond number
- 101367703
- Amount
- $25,000
- Effective
- January 12, 2025
Workers’ compensation
- Carrier
- NORGUARD INSURANCE COMPANY
- Policy number
- MAWC795098
- Effective
- February 11, 2026
- Expires
- February 11, 2027
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
A contractor may only contract for work within their classifications. See all 9 licensed prefabricated equipment contractors in Ontario.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| HAMMER LORRAINE CATHY | Officer | February 2, 2007 | Current |
| HAMMER RANDY STEVEN | Responsible Managing Officer/Chief Executive Officer/President | February 2, 2007 | Current |
| HAMMER RANDY STEVEN | Sole Owner | March 26, 1991 | February 2, 2007 |
Verified status badge
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Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.