Public CSLB records

Sewer and Drain Masters Corporation

License #808055·Corporation·Richmond, Contra Costa County
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Summary

Sewer and Drain Masters Corporation operating as a corporation is licensed in California under CSLB number 808055. The license was first issued in 2002, putting the business at 24 years on the active CSLB roster. It carries 2 CSLB classifications: C-36 Plumbing Contractor and C-42 Sanitation System Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and an exempt workers' compensation status (no employees on payroll). The business is based in Richmond, in Contra Costa County, California.

Business Information
Address
1000 13th Street
Richmond, CA 94801
License Details & Classifications
License Number
808055
Issued
May 14, 2002
Status
CLEAR
Expires
Oct 31, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
101793050
Effective
Feb 24, 2026
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Sep 26, 2025
Expires
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
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 Sewer and Drain Masters Corporation licensed in California?

Yes. Sewer and Drain Masters Corporation holds California Contractors State License Board license number 808055. The license was first issued on May 14, 2002. It is valid through October 31, 2027.

What does Sewer and Drain Masters Corporation specialize in?

Sewer and Drain Masters Corporation is licensed for 2 CSLB classifications: C-36 Plumbing Contractor and C-42 Sanitation System Contractor.

Where is Sewer and Drain Masters Corporation headquartered?

Sewer and Drain Masters Corporation is headquartered at 1000 13th Street, Richmond, CA 94801, in Contra Costa County, California.

Does Sewer and Drain Masters Corporation have an active surety bond on file with CSLB?

Yes. Sewer and Drain Masters Corporation has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does Sewer and Drain Masters Corporation carry workers' compensation coverage?

Sewer and Drain Masters Corporation reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Sewer and Drain Masters Corporation's contractor license?

You can verify Sewer and Drain Masters Corporation's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=808055.

Activity Timeline
  1. License issuedMay 14, 2002
  2. WC coverage startsSep 26, 2025
  3. Bond activeFeb 24, 2026
  4. License expiresOct 31, 2027
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