Public CSLB records

Mr Rooter Plumbing, A General Engineering Contractor in Napa, CA

License #511333·Corporation·Napa, Napa County
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Summary

Mr Rooter Plumbing operating as a corporation holds an active California contractor license (CSLB #511333), valid through Aug 31, 2027. First issued in 1987, the license has been on the CSLB roster for 39 years. It carries 4 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-36 Plumbing Contractor, and C-42 Sanitation System Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from Amtrust Insurance Company. The business is based in Napa, in Napa County, California.

Business Information
Address
131 Camino Dorado
Napa, CA 94558
License Details & Classifications
License Number
511333
Issued
Jun 1, 1987
Status
CLEAR
Expires
Aug 31, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
CA6021446
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Amtrust Insurance Company
Policy Number
TWP4773148
Effective
Apr 23, 2026
Expires
Apr 23, 2027
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

License StatusActive
Contractor BondOn file
Workers' CompensationActive

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

Frequently asked questions
Is Mr Rooter Plumbing licensed in California?

Yes. Mr Rooter Plumbing holds California Contractors State License Board license number 511333, which is active and in good standing. The license was first issued on June 1, 1987. It is valid through August 31, 2027.

What does Mr Rooter Plumbing specialize in?

Mr Rooter Plumbing is licensed for 4 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-36 Plumbing Contractor, and C-42 Sanitation System Contractor.

Where is Mr Rooter Plumbing headquartered?

Mr Rooter Plumbing is headquartered at 131 Camino Dorado, Napa, CA 94558, in Napa County, California.

Does Mr Rooter Plumbing have an active surety bond on file with CSLB?

Yes. Mr Rooter Plumbing has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does Mr Rooter Plumbing carry workers' compensation coverage?

Yes. Mr Rooter Plumbing carries active workers' compensation coverage through Amtrust Insurance Company.

How do I verify Mr Rooter Plumbing's contractor license?

You can verify Mr Rooter Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=511333.

Activity Timeline
  1. License issuedJun 1, 1987
  2. Bond activeJan 1, 2023
  3. WC coverage startsApr 23, 2026
  4. WC expiresApr 23, 2027
  5. License expiresAug 31, 2027
Other contractors in Napa County
California lien & payment resources

Working a California job with Mr Rooter Plumbing, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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