Mcmahon Plumbing Inc

Foster City · San Mateo County · CA

LISTED

Bestopedia verdict

85 / 100 Bestopedia Trust Score

California’s contractor board lists Mcmahon Plumbing Inc in CLEAR standing. No active contractor bond is on file, and workers’ compensation coverage is current.

License standing
30 / 30
Years licensed
20 / 20
Contractor bond
5 / 20
Workers' comp
20 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#865206 verify on CSLB ↗
Classifications
C-36
Years licensed
20.8 years since 10/01/2005
Contractor bond
$25,000 HUDSON INSURANCE COMPANY cancellation on file (07/22/2026)
Workers’ comp
Current NATIONAL SPECIALTY INSURANCE COMPANY
Business type
Corporation
Qualifying principal
Brian Raymond Mc Mahon
Address of record
831 Gull Avenue, Foster City, CA 94404

Frequently Asked Questions

Is Mcmahon Plumbing Inc a licensed Plumbing contractor in California?

Yes. Mcmahon Plumbing Inc holds California CSLB contractor license #865206 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.

What work is Mcmahon Plumbing Inc licensed to perform?

License #865206 carries C-36 (Plumbing).

Is Mcmahon Plumbing Inc bonded?

Yes. Mcmahon Plumbing Inc carries contractor's bond #TCS17490 for $25,000 through HUDSON INSURANCE COMPANY. Note: a bond cancellation date (07/22/2026) is on file.

Does Mcmahon Plumbing Inc carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with NATIONAL SPECIALTY INSURANCE COMPANY, with a policy expiration of 08/22/2026.

How long has Mcmahon Plumbing Inc held its contractor license?

License #865206 was originally issued on 10/01/2005, approximately 21 years ago (as of July 2026).

Where is Mcmahon Plumbing Inc located?

Mcmahon Plumbing Inc is based in Foster City, San Mateo County, CA 94404.