Mazzamuto Construction

Martinez · Contra Costa County · CA

Verified

Bestopedia verdict

96 / 100 Bestopedia Trust Score

California’s contractor board lists Mazzamuto Construction 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
28.9 / 30
License continuity
10 / 10
Workers' comp
9 / 12
Contractor bond
8 / 8

How the Trust Score is calculated →

The verified record

CSLB license
#266149 verify on CSLB ↗
Classifications
B
Years licensed
55.6 years since 11/24/1970
Contractor bond
$25,000 Harco National Insurance Company
Workers’ comp
Current
Business type
Sole Owner
Qualifying principal
James Salvatore Mazzamuto
Address of record
P O Box 167, Martinez, CA 94553

Frequently Asked Questions

Is Mazzamuto Construction a licensed General Contractor contractor in California?

Yes. Mazzamuto Construction holds California CSLB contractor license #266149 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).

What work is Mazzamuto Construction licensed to perform?

Mazzamuto Construction is licensed for B (General Building).

Is Mazzamuto Construction bonded?

Yes. Mazzamuto Construction carries contractor's bond #0638374 for $25,000 through Harco National Insurance Company.

Does Mazzamuto Construction carry workers' compensation insurance?

CSLB records list the workers' compensation status for Mazzamuto Construction as Exempt.

How long has Mazzamuto Construction held its contractor license?

Mazzamuto Construction has held California contractor license #266149 since 11/24/1970, approximately 56 years (as of July 2026).

Where is Mazzamuto Construction located?

Mazzamuto Construction is based in Martinez, Contra Costa County, CA 94553.