Zion Engineering

Mill Valley · Marin County · CA

VERIFIED

Bestopedia verdict

96 / 100 Bestopedia Trust Score

California’s contractor board lists Zion Engineering in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
30 / 30
Years licensed
20 / 20
Contractor bond
20 / 20
Workers' comp
16 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#440082 verify on CSLB ↗
Classifications
A, C-16, C-36
Years licensed
43.1 years since 05/13/1983
Contractor bond
$25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers’ comp
Current
Business type
Sole Owner
Qualifying principal
Douglas Benjamin Cahn
Address of record
9 Mountain Lodge Lane, Mill Valley, CA 94941

Frequently Asked Questions

Is Zion Engineering a licensed Plumbing contractor in California?

Yes. Zion Engineering holds California CSLB contractor license #440082 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.

What work is Zion Engineering licensed to perform?

License #440082 carries C-36 (Plumbing), plus additional classifications: A, C16.

Is Zion Engineering bonded?

Yes. Zion Engineering carries contractor's bond #100565343 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.

Does Zion Engineering carry workers' compensation insurance?

Workers' compensation status on file: Exempt.

How long has Zion Engineering held its contractor license?

License #440082 was originally issued on 05/13/1983, approximately 43 years ago (as of July 2026).

Where is Zion Engineering located?

Zion Engineering is based in Mill Valley, Marin County, CA 94941.