Clear

O'BRIEN BUILDERS

License #407631NapaCorporationLicensed since June 30, 1981

License

Status
CLEAR
First issued
June 30, 1981
Reissued
April 26, 1999
Expires
April 30, 2027
Entity
Corporation
Address of record
PO BOX 760, Napa, CA 94559
Phone of record
(707) 864 2615

Contractor bond

Surety
AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond number
SC1025179
Amount
$25,000
Effective
January 1, 2023

Workers’ compensation

Carrier
MIDWEST EMPLOYERS CASUALTY COMPANY
Policy number
BNET860561649
Effective
October 1, 2025
Expires
October 1, 2026

Are they licensed for your job?

A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.

Licensed to perform

A contractor may only contract for work within their classifications. See all 366 licensed general building contractors in Napa.

People on this license

NameTitleSinceThrough
O'BRIEN JACK CLANCYResponsible Managing OfficerJune 13, 2023Current
O'BRIEN JACK CLANCYOfficerApril 17, 2023June 13, 2023
O'BRIEN MICHAEL DENNISDeceasedMarch 19, 2023March 19, 2023
O'BRIEN MICHAEL DENNISResponsible Managing Officer/Chief Executive Officer/PresidentApril 26, 1999March 19, 2023
O'BRIEN MICHAEL DENNISSole OwnerJune 30, 1981April 26, 1999

Verified status badge

Put this on your website or in a bid packet. It reads the state’s record live every time someone loads it, so it is never a screenshot of a good day. Free, and you don’t need to claim this listing to use it.

O'BRIEN BUILDERS — California contractor license #407631 status, verified against CSLB records
<a href="https://bookofbuilders.com/license/407631" target="_blank" rel="noopener">
  <img src="https://bookofbuilders.com/badge/407631.svg" alt="O'BRIEN BUILDERS — California contractor license #407631 status, verified against CSLB records" width="268" height="76">
</a>

The badge shows whatever the CSLB record says — including a suspension or lapsed coverage. There is no paid version and no way to change what it displays. That is what makes it worth showing. The same data as JSON if you’d rather build your own.

Is this your license?

Claim this page to add your photos, description, service area and contact details. The state’s record above stays exactly as it is — claiming adds to a page, it never edits or hides anything the CSLB reports.

Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.