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Michael Quast

Active License #259235 B General Building · Calistoga, CA

CSLB license age
57 yrs 1 mo
Expires
Jan 31, 2027
Bond
$25,000 bond
American Contractors Indemnity Company
Workers' comp
Markel Insurance Company

Policy ends Dec 1, 2026. Ask for the renewal certificate if work runs past it.

CSLB records dated Oct 16, 2026 checked Oct 18, 2026 Verify live on CSLB

Read reviews at the source: YelpGoogleHouzzBBBThumbtackAngi

License record

Status
Active CSLB status code: CLEAR
Class
B · General Building
Business type
Sole Owner
Issued
Aug 26, 1969 CSLB license age: 57 yrs 1 mo as of the file date
Contractor bond
$25,000 bond American Contractors Indemnity Company, since Jan 1, 2023
Workers' comp
Markel Insurance Company Dec 1, 2025 to Dec 1, 2026 · WC file dated Oct 17, 2026
CSLB last updated this record
Dec 5, 2025

Owner of record

CSLB lists Michael Quast as the sole owner of license #259235.

What the permit record shows

We have permit records for San Francisco and San Jose only. Other Bay Area cities don't publish contractor names in a form we can read, so an empty list here says nothing about work elsewhere.

No permits matched this business in the last 24 months in the San Francisco data (matched by license number) or the San Jose data (matched by business name).

Complaints and legal actions

CSLB lists complaint and legal-action disclosures on the license's page.

Check complaints on CSLB

Before you sign

  • Down payment. On a home improvement contract it can't exceed $1,000 or 10% of the price, whichever is less. B&P 7159.5
  • What this class covers. A B contractor's prime contract needs 2 or more unrelated trades (B&P 7057). B covers additions and structural work; a B-2 doesn't (CSLB class B-2).

Other licensed general contractors near Calistoga

Ranked by the published scoring rules on the methodology page.

Questions about Michael Quast

Is Michael Quast licensed?

Yes. CSLB lists license #259235 (B, General Building) as active in its file dated Oct 16, 2026. It was first issued Aug 26, 1969 and expires Jan 31, 2027. Check the live record on CSLB before you sign.

What is the CSLB license number for Michael Quast?

CSLB lists Michael Quast under license #259235, class B, in Calistoga, CA.

Is Michael Quast bonded and insured?

CSLB shows a $25,000 contractor bond with American Contractors Indemnity Company and workers' comp coverage through Markel Insurance Company (policy to Dec 1, 2026). Those are the bond and workers' comp records in CSLB's file dated Oct 16, 2026. Ask for its certificate of general liability insurance.

Where can I see CSLB complaint and legal-action records for #259235?

On license #259235's page on CSLB. It lists any complaint disclosures and legal actions CSLB publishes for the license.

Where can I read reviews of Michael Quast?

We don't host reviews. The links under the license details search for Michael Quast in Calistoga on Yelp, Google, Houzz, BBB, Thumbtack and Angi, so you read them at the source.

Confirm or correct this page

For the business owner. Everything above comes from CSLB and city permit files. Send a correction and we check it against the source.

Send a correction