Mcmahon Plumbing INC, C-36 Plumbing Contractor in Foster City, CA
Mcmahon Plumbing INC operating as a corporation holds an active California contractor license (CSLB #865206), valid through Sep 30, 2027. First issued in 2005, the license has been on the CSLB roster for 21 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Hudson Insurance Company and a previously-filed workers' compensation policy with National Specialty Insurance Company that is no longer active. The business is based in Foster City, in San Mateo County, California.
- License Number
- 865206
- Issued
- Oct 1, 2005
- Status
- CLEAR
- Expires
- Sep 30, 2027
- Entity
- Corporation
- Surety
- Hudson Insurance Company
- Bond Number
- TCS17490
- Effective
- Sep 10, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- National Specialty Insurance Company
- Policy Number
- NXT4QX399C02WC
- Effective
- Aug 22, 2025
- Expires
- Aug 22, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Mcmahon Plumbing INC licensed in California?
Yes. Mcmahon Plumbing INC holds California Contractors State License Board license number 865206, which is active and in good standing. The license was first issued on October 1, 2005. It is valid through September 30, 2027.
What does Mcmahon Plumbing INC specialize in?
Mcmahon Plumbing INC is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Mcmahon Plumbing INC headquartered?
Mcmahon Plumbing INC is headquartered at 831 Gull Avenue, Foster City, CA 94404, in San Mateo County, California.
Does Mcmahon Plumbing INC have an active surety bond on file with CSLB?
Yes. Mcmahon Plumbing INC has an active California contractor surety bond filed with Hudson Insurance Company.
Does Mcmahon Plumbing INC carry workers' compensation coverage?
Mcmahon Plumbing INC has a previously-filed workers' compensation policy with National Specialty Insurance Company that is no longer active.
How do I verify Mcmahon Plumbing INC's contractor license?
You can verify Mcmahon Plumbing INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=865206.
- License issuedOct 1, 2005
- Bond activeSep 10, 2023
- WC coverage startsAug 22, 2025
- WC expiredAug 22, 2026
- License expiresSep 30, 2027
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