Winko General Construction

San Lorenzo · Alameda County · CA

Verified

Bestopedia verdict

69 / 100 Bestopedia Trust Score

California’s contractor board lists Winko General Construction with a license standing of CLEAR. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
25 / 25
Clean record
15 / 15
Track record
2.1 / 30
License continuity
10 / 10
Workers' comp
9 / 12
Contractor bond
8 / 8

How the Trust Score is calculated →

The verified record

CSLB license
#1152565 verify on CSLB ↗
Classifications
B
Years licensed
0.3 years since 03/25/2026
Contractor bond
$25,000 Merchants Bonding Company (Mutual)
Workers’ comp
Current
Business type
Sole Owner
Qualifying principal
Chi Wing Ma
Address of record
817 Via Mariposa, San Lorenzo, CA 94580

Frequently Asked Questions

Is Winko General Construction a licensed General Contractor contractor in California?

Yes. Winko General Construction holds California CSLB contractor license #1152565 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).

What work is Winko General Construction licensed to perform?

Winko General Construction is licensed for B (General Building).

Is Winko General Construction bonded?

Yes. Winko General Construction carries contractor's bond #101802324 for $25,000 through Merchants Bonding Company (Mutual).

Does Winko General Construction carry workers' compensation insurance?

CSLB records list the workers' compensation status for Winko General Construction as Exempt.

How long has Winko General Construction held its contractor license?

Winko General Construction has held California contractor license #1152565 since 03/25/2026, approximately 0 years (as of July 2026).

Where is Winko General Construction located?

Winko General Construction is based in San Lorenzo, Alameda County, CA 94580.