Clear

M S K DESIGN BUILD INC

License #798955Walnut CreekCorporationLicensed since August 29, 2001

License

Status
CLEAR
First issued
August 29, 2001
Reissued
May 19, 2015
Expires
May 31, 2027
Entity
Corporation
Address of record
37 QUAIL COURT SUITE 200, Walnut Creek, CA 94596
Phone of record
(925) 944 0153

Contractor bond

Surety
AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond number
100273843
Amount
$25,000
Effective
January 1, 2023

Workers’ compensation

Carrier
OMAHA NATIONAL CASUALTY COMPANY
Policy number
ONCC1701261302
Effective
April 1, 2026
Expires
April 1, 2027

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 328 licensed general building contractors in Walnut Creek.

People on this license

NameTitleSinceThrough
MULLEN KATHLEEN MARIEOfficerMay 19, 2015Current
WESTBY SCOTT JONATHANResponsible Managing Officer/Chief Executive Officer/PresidentMay 19, 2015Current
WESTBY SCOTT JONATHANSole OwnerAugust 29, 2001May 19, 2015
WESTBY SCOTT JONATHANSole OwnerApril 26, 2002January 1, 2004

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.

M S K DESIGN BUILD INC — California contractor license #798955 status, verified against CSLB records
<a href="https://bookofbuilders.com/license/798955" target="_blank" rel="noopener">
  <img src="https://bookofbuilders.com/badge/798955.svg" alt="M S K DESIGN BUILD INC — California contractor license #798955 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.