Knockout Plumbing & Repipe INC, C-36 Plumbing Contractor in San Jose, CA
Knockout Plumbing & Repipe INC operating as a corporation holds an active California contractor license (CSLB #1090643), valid through Apr 30, 2028. First issued in 2022, the license has been on the CSLB roster for 4 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and a previously-filed workers' compensation policy with Amtrust Insurance Company that is no longer active. The business is based in San Jose, in Santa Clara County, California.
- License Number
- 1090643
- Issued
- Apr 25, 2022
- Status
- CLEAR
- Expires
- Apr 30, 2028
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100639410
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Amtrust Insurance Company
- Policy Number
- KWP1401018
- Effective
- Jul 16, 2025
- Expires
- Jul 16, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Knockout Plumbing & Repipe INC licensed in California?
Yes. Knockout Plumbing & Repipe INC holds California Contractors State License Board license number 1090643, which is active and in good standing. The license was first issued on April 25, 2022. It is valid through April 30, 2028.
What does Knockout Plumbing & Repipe INC specialize in?
Knockout Plumbing & Repipe INC is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Knockout Plumbing & Repipe INC headquartered?
Knockout Plumbing & Repipe INC is headquartered at 4116 Santa Rita Way, San Jose, CA 95111, in Santa Clara County, California.
Does Knockout Plumbing & Repipe INC have an active surety bond on file with CSLB?
Yes. Knockout Plumbing & Repipe INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Knockout Plumbing & Repipe INC carry workers' compensation coverage?
Knockout Plumbing & Repipe INC has a previously-filed workers' compensation policy with Amtrust Insurance Company that is no longer active.
How do I verify Knockout Plumbing & Repipe INC's contractor license?
You can verify Knockout Plumbing & Repipe INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1090643.
- License issuedApr 25, 2022
- Bond activeJan 1, 2023
- WC coverage startsJul 16, 2025
- WC expiredJul 16, 2026
- License expiresApr 30, 2028
- Hickey W L Sons INC#95122San Jose·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- West Valley Construction#174968San Jose·A General Engineering Contractor
- Viso James J Engineering Incorporated#229798Santa Clara·A General Engineering Contractor
- Thermal Mechanical#256057Santa Clara·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- T A Slack Plumbing CO#247392Los Altos·C-36 Plumbing Contractor
- Water Quality Plumbing INC#305018San Jose·C-36 Plumbing Contractor
- J & R Plumbing INC#319819Cupertino·B General Building Contractor
- Frank's Plumbing Company INC#312433Morgan Hill·C-36 Plumbing Contractor
Working a California job with Knockout Plumbing & Repipe INC, 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 Knockout Plumbing & Repipe INC? Claim or correct this profile