Public CSLB records

Mario Brothers Plumbing INC

License #1126430·Corporation·Calistoga, Napa County
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Summary

Mario Brothers Plumbing INC operating as a corporation is licensed in California under CSLB number 1126430. The license was first issued in 2024, putting the business at 2 years on the active CSLB roster. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Western Surety Company and a previously-filed workers' compensation policy with Norguard Insurance Company that is no longer active. The business is based in Calistoga, in Napa County, California.

Business Information
Address
1203 Lillie St
Calistoga, CA 94515
License Details & Classifications
License Number
1126430
Issued
Sep 13, 2024
Status
CLEAR
Expires
Sep 30, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67565107
Effective
Aug 14, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Norguard Insurance Company
Policy Number
MAWC612620
Effective
Jun 7, 2025
Expires
Jun 7, 2026
Alert

This contractor has a compliance issue in its public CSLB record:

  • No active workers' comp on file
License StatusActive
Contractor BondOn file
Workers' CompensationInactive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Mario Brothers Plumbing INC licensed in California?

Yes. Mario Brothers Plumbing INC holds California Contractors State License Board license number 1126430. The license was first issued on September 13, 2024. It is valid through September 30, 2026.

What does Mario Brothers Plumbing INC specialize in?

Mario Brothers Plumbing INC is licensed for one CSLB classification: C-36 Plumbing Contractor.

Where is Mario Brothers Plumbing INC headquartered?

Mario Brothers Plumbing INC is headquartered at 1203 Lillie St, Calistoga, CA 94515, in Napa County, California.

Does Mario Brothers Plumbing INC have an active surety bond on file with CSLB?

Yes. Mario Brothers Plumbing INC has an active California contractor surety bond filed with Western Surety Company.

Does Mario Brothers Plumbing INC carry workers' compensation coverage?

Mario Brothers Plumbing INC has a previously-filed workers' compensation policy with Norguard Insurance Company that is no longer active.

How do I verify Mario Brothers Plumbing INC's contractor license?

You can verify Mario Brothers Plumbing INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1126430.

Activity Timeline
  1. License issuedSep 13, 2024
  2. WC coverage startsJun 7, 2025
  3. Bond activeAug 14, 2025
  4. WC expiredJun 7, 2026
  5. License expiresSep 30, 2026
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