Quast Michael

Calistoga · Napa County · CA

Verified

Bestopedia verdict

94 / 100 Bestopedia Trust Score

California’s contractor board lists Quast Michael 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
29.2 / 30
License continuity
5 / 10
Workers' comp
12 / 12
Contractor bond
8 / 8

How the Trust Score is calculated →

The verified record

CSLB license
#259235 verify on CSLB ↗
Classifications
B
Years licensed
56.9 years since 08/26/1969
Contractor bond
$25,000 American Contractors Indemnity Company
Workers’ comp
Current Markel Insurance Company
Business type
Sole Owner
Qualifying principal
Michael Stuart Quast
Address of record
1300 Washington St, Calistoga, CA 94515

Frequently Asked Questions

Is Quast Michael a licensed General Contractor contractor in California?

Yes. Quast Michael holds California CSLB contractor license #259235 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).

What work is Quast Michael licensed to perform?

Quast Michael is licensed for B (General Building).

Is Quast Michael bonded?

Yes. Quast Michael carries contractor's bond #SC6024903 for $25,000 through American Contractors Indemnity Company.

Does Quast Michael carry workers' compensation insurance?

Yes. Quast Michael has workers' compensation insurance on file with Markel Insurance Company, with a policy expiration of 12/01/2026.

How long has Quast Michael held its contractor license?

Quast Michael has held California contractor license #259235 since 08/26/1969, approximately 57 years (as of July 2026).

Where is Quast Michael located?

Quast Michael is based in Calistoga, Napa County, CA 94515.