✓

License is active

Source: Contractors State License Board (CSLB)

✓

Licensed

Current and in good standing

✓

Bonded

$25,000 surety bond

✓

Insured

Workers' comp coverage on file

✓

Clean record

No complaints or disciplinary actions

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MASTER BUILDING SPECIALTIES INC

License Number: 616533
State: California
Status: active
Business Type: Corporation
Address: 5448 MORGAN ST ONTARIO, CA, 91762 San Bernardino County
Phone: (909) 393 0186

License Dates

Issued

03/26/1991

Expires

02/28/2027

Expires in 11 months

Reissued

02/02/2007

CSLB Last Updated

02/23/2026

License Classifications

D34 D34

Personnel & Officers

HAMMER LORRAINE CATHY

Officer

Active

HAMMER RANDY STEVEN

Responsible Managing Officer/Chief Executive Officer/President

D34

Active

Contractor Bond

Bonded

Amount: $25,000

Company: MERCHANTS BONDING COMPANY (MUTUAL)

Bond #101367703

Effective: 01/12/2025

Workers' Compensation

Has policy

Carrier: NORGUARD INSURANCE COMPANY

Policy #MAWC795098

Effective: 02/11/2026

Expires: 02/11/2027

CSLB designation: Workers' Compensation Insurance

Complaints & Disciplinary History

No disciplinary actions on file

This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.

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Data sourced from official state licensing board records. Always confirm critical information directly with the state board.

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Homeowner Resources

ONTARIO, CA Exp: 01/31/2028 Bonded Insured