Building and Design Inc

St Helena · Napa County · CA

Verified

Bestopedia verdict

94 / 100 Bestopedia Trust Score

California’s contractor board lists Building and Design Inc 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
24.1 / 30
License continuity
10 / 10
Workers' comp
12 / 12
Contractor bond
8 / 8

How the Trust Score is calculated →

The verified record

CSLB license
#517581 verify on CSLB ↗
Classifications
B
Years licensed
38.8 years since 09/14/1987
Contractor bond
$25,000 American Contractors Indemnity Company
Workers’ comp
Current Everest Premier Insurance Company
Business type
Corporation
Qualifying principal
Robert Holton Aston
Address of record
P O Box 412, St Helena, CA 94574

Frequently Asked Questions

Is Building and Design Inc a licensed General Contractor contractor in California?

Yes. Building and Design Inc holds California CSLB contractor license #517581 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).

What work is Building and Design Inc licensed to perform?

Building and Design Inc is licensed for B (General Building).

Is Building and Design Inc bonded?

Yes. Building and Design Inc carries contractor's bond #100647372 for $25,000 through American Contractors Indemnity Company.

Does Building and Design Inc carry workers' compensation insurance?

Yes. Building and Design Inc has workers' compensation insurance on file with Everest Premier Insurance Company, with a policy expiration of 10/01/2026.

How long has Building and Design Inc held its contractor license?

Building and Design Inc has held California contractor license #517581 since 09/14/1987, approximately 39 years (as of July 2026).

Where is Building and Design Inc located?

Building and Design Inc is based in St Helena, Napa County, CA 94574.