Sewer and Drain Masters Corporation, C-36 Plumbing Contractor in Richmond, CA
Sewer and Drain Masters Corporation operating as a corporation holds an active California contractor license (CSLB #808055), valid through Oct 31, 2027. First issued in 2002, the license has been on the CSLB roster for 24 years. 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.
- License Number
- 808055
- Issued
- May 14, 2002
- Status
- CLEAR
- Expires
- Oct 31, 2027
- Entity
- Corporation
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101793050
- Effective
- Feb 24, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 26, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Sewer and Drain Masters Corporation licensed in California?
Yes. Sewer and Drain Masters Corporation holds California Contractors State License Board license number 808055, which is active and in good standing. 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.
- License issuedMay 14, 2002
- WC coverage startsSep 26, 2025
- Bond activeFeb 24, 2026
- License expiresOct 31, 2027
- White L H General Building Contractor#275246Lafayette·B General Building Contractor
- Uv Electric Company#545230Lafayette·A General Engineering Contractor
- Joukoff Philip V#547148Walnut Creek·C-16 Fire Protection Contractor
- Creative Plumbing and Construction Company INC#547280Orinda·B General Building Contractor
- Value Plumbing CO#543959Byron·C-36 Plumbing Contractor
- Ace's Plumbing#544377Bay Point·C-36 Plumbing Contractor
- Richard Kleker Plumbing#549633Pleasant Hill·C-36 Plumbing Contractor
- Collins J D Company INC#552404Oakley·B General Building Contractor
Working a California job with Sewer and Drain Masters Corporation, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Sewer and Drain Masters Corporation? Claim or correct this profile