License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
WC exempt
No employees — exempt from requirement
Clean record
No complaints or disciplinary actions
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TSAI MASTERBUILDERS
- License Number
- 457096
- State
- California
- Status
- active
- Business Type
- Sole Owner
- Address
- 819 N STREAMVIEW STREET WALNUT, CA, 91789 Los Angeles County
- Phone
- (909) 319 9383
License Dates
Issued
05/18/1984
Expires
02/29/2028
Expires in 23 months
Reissued
02/11/2000
CSLB Last Updated
01/20/2026
License Classifications
Personnel & Officers
TSAI YUH-YOW EDDY
Sole Owner
Contractor Bond
Amount: $25,000
Bond #JT026540
Effective: 01/11/2026
Workers' Compensation
Owner/officer with no employees — exempt from WC requirement
CSLB designation: Exempt
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Building Permits
Source: LA City Open Data (LADBS)
Bldg-Alter/Repair — 1 or 2 Family Dwelling
3945 -3945 N EVADALE DR, 90031
SUPPLEMENTAL TO PERMIT 16010-10000-06429 TO CHANGE FROM OWNER-BUILDER
2020-07-02
Bldg-Addition — 1 or 2 Family Dwelling
2848 -2848 S HILLCREST DR, 90016
1-STORY BEDROOM AND BATHROOM ADD 1 BDR + 1 BATH (TOTAL 268 SF)
$27,068
2017-09-11
Verify this record on the official state licensing board
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