Erwyn's Plumbing, C-36 Plumbing Contractor in Richmond, CA
Erwyn's Plumbing operating as a corporation holds an active California contractor license (CSLB #1050217), valid through Feb 28, 2027. First issued in 2019, the license has been on the CSLB roster for 7 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 Western Surety Company and active workers' compensation coverage from Amtrust Insurance Company. The business is based in Richmond, in Contra Costa County, California.
- License Number
- 1050217
- Issued
- Feb 14, 2019
- Status
- CLEAR
- Expires
- Feb 28, 2027
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 65358262
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Amtrust Insurance Company
- Policy Number
- KWP1406027
- Effective
- Sep 6, 2025
- Expires
- Sep 6, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Erwyn's Plumbing licensed in California?
Yes. Erwyn's Plumbing holds California Contractors State License Board license number 1050217, which is active and in good standing. The license was first issued on February 14, 2019. It is valid through February 28, 2027.
What does Erwyn's Plumbing specialize in?
Erwyn's Plumbing is licensed for 2 CSLB classifications: C-36 Plumbing Contractor and C-42 Sanitation System Contractor.
Where is Erwyn's Plumbing headquartered?
Erwyn's Plumbing is headquartered at 747 9th St, Richmond, CA 94801, in Contra Costa County, California.
Does Erwyn's Plumbing have an active surety bond on file with CSLB?
Yes. Erwyn's Plumbing has an active California contractor surety bond filed with Western Surety Company.
Does Erwyn's Plumbing carry workers' compensation coverage?
Yes. Erwyn's Plumbing carries active workers' compensation coverage through Amtrust Insurance Company.
How do I verify Erwyn's Plumbing's contractor license?
You can verify Erwyn's Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1050217.
- License issuedFeb 14, 2019
- Bond activeJan 1, 2023
- WC coverage startsSep 6, 2025
- WC expiresSep 6, 2026
- License expiresFeb 28, 2027
- White L H General Building Contractor#275246Lafayette·B General Building Contractor
- Olivero Plumbing Company INC#162170El Cerrito·C-36 Plumbing Contractor
- Martinez Sheet Metal INC#222277Martinez·B General Building Contractor
- Lescure Company INC#248204Concord·A General Engineering Contractor
- Jensen H C Plumbing INC#265318Danville·C-20 HVAC Contractor
- Seeno Albert D JR#281273Concord·A General Engineering Contractor
- Stewart Heating & Air INC#290747Pittsburg·B General Building Contractor
- Contra Costa Plumbing#303993Clayton·C-10 Electrical Contractor
Working a California job with Erwyn's Plumbing, 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 Erwyn's Plumbing? Claim or correct this profile