Horn's Backflow & Plumbing Service INC, C-36 Plumbing Contractor in Valencia, CA
Horn's Backflow & Plumbing Service INC operating as a corporation holds California contractor license #792609, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 2001, the license has been on the CSLB roster for 25 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Indemnity Company and a previously-filed workers' compensation policy with Amtrust Insurance Company that is no longer active.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 Valencia, in Los Angeles County, California.
- License Number
- 792609
- Issued
- Mar 16, 2001
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100870954
- Effective
- Jul 16, 2024
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Amtrust Insurance Company
- Policy Number
- KWC1400605
- Effective
- Jul 1, 2025
- Expires
- Jul 1, 2026
This contractor has a compliance issue in its public CSLB record:
- License expired
- 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 Horn's Backflow & Plumbing Service INC licensed in California?
Horn's Backflow & Plumbing Service INC previously held California Contractors State License Board license number 792609, but the license expired on July 31, 2026 and is not currently valid. It was first issued on March 16, 2001.
What does Horn's Backflow & Plumbing Service INC specialize in?
Horn's Backflow & Plumbing Service INC is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Horn's Backflow & Plumbing Service INC headquartered?
Horn's Backflow & Plumbing Service INC is headquartered at 27823 Smyth Dr, Valencia, CA 91355, in Los Angeles County, California.
Does Horn's Backflow & Plumbing Service INC have an active surety bond on file with CSLB?
Yes. Horn's Backflow & Plumbing Service INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Horn's Backflow & Plumbing Service INC carry workers' compensation coverage?
Horn's Backflow & Plumbing Service INC has a previously-filed workers' compensation policy with Amtrust Insurance Company that is no longer active.
How do I verify Horn's Backflow & Plumbing Service INC's contractor license?
You can verify Horn's Backflow & Plumbing Service INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=792609.
- License issuedMar 16, 2001
- Bond activeJul 16, 2024
- WC coverage startsJul 1, 2025
- WC expiredJul 1, 2026
- License expiredJul 31, 2026
- Plotkin Paul#263818Marina Del Rey·B General Building Contractor
- Burden George E Plumbing#277020Palmdale·C-36 Plumbing Contractor
- Woolsey H E Corporation#275493Los Angeles·B General Building Contractor
- Valverde Construction INC#276469Santa Fe Springs·A General Engineering Contractor
- Kabakoff Jeffrey D#273338Sherman Oaks·B General Building Contractor
- R C Plumbing#273564Los Angeles·C-36 Plumbing Contractor
- Norwalk-La Mirada Plumbing & Heating CO INC#271767Norwalk·C-20 HVAC Contractor
- Roelle Michael G Plumbing and Fire Sprinkler Contractor#271993Irwindale·C-16 Fire Protection Contractor
Working a California job with Horn's Backflow & Plumbing Service 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 Horn's Backflow & Plumbing Service INC? Claim or correct this profile