Public CSLB records

TSAI MASTERBUILDERS

License #457096·Sole Owner·WALNUT, Los Angeles County
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Summary

TSAI MASTERBUILDERS operating as a sole owner is licensed in California under CSLB number 457096. The license was first issued in 1984, putting the business at 42 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with JET INSURANCE COMPANY and an exempt workers' compensation status (no employees on payroll). The business is based in WALNUT, in Los Angeles County, California.

Business Information
Address
819 N STREAMVIEW STREET
WALNUT, CA 91789
License Details & Classifications
License Number
457096
Issued
May 18, 1984
Status
CLEAR
Expires
Feb 29, 2028
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
JET INSURANCE COMPANY
Bond Number
JT026540
Effective
Jan 11, 2026
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Jan 7, 2026
Expires
License StatusActive
Contractor BondOn file
Workers' CompensationActive
Activity Timeline
  1. License issuedMay 18, 1984
  2. WC coverage startsJan 7, 2026
  3. Bond activeJan 11, 2026
  4. License expiresFeb 29, 2028