Heavy Duty Plumbing LLC, C-36 Plumbing Contractor in Sylmar, CA
Heavy Duty Plumbing LLC operating as a limited liability holds an active California contractor license (CSLB #1109780), valid through Sep 30, 2027. First issued in 2023, the license has been on the CSLB roster for 3 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Sylmar, in Los Angeles County, California.
- License Number
- 1109780
- Issued
- Sep 6, 2023
- Status
- CLEAR
- Expires
- Sep 30, 2027
- Entity
- Limited Liability
- Surety
- Western Surety Company
- Bond Number
- 67608483
- Effective
- Aug 28, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 29, 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 Heavy Duty Plumbing LLC licensed in California?
Yes. Heavy Duty Plumbing LLC holds California Contractors State License Board license number 1109780, which is active and in good standing. The license was first issued on September 6, 2023. It is valid through September 30, 2027.
What does Heavy Duty Plumbing LLC specialize in?
Heavy Duty Plumbing LLC is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Heavy Duty Plumbing LLC headquartered?
Heavy Duty Plumbing LLC is headquartered at 12825 Glenoaks Blvd, Sylmar, CA 91342, in Los Angeles County, California.
Does Heavy Duty Plumbing LLC have an active surety bond on file with CSLB?
Yes. Heavy Duty Plumbing LLC has an active California contractor surety bond filed with Western Surety Company.
Does Heavy Duty Plumbing LLC carry workers' compensation coverage?
Heavy Duty Plumbing LLC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Heavy Duty Plumbing LLC's contractor license?
You can verify Heavy Duty Plumbing LLC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1109780.
- License issuedSep 6, 2023
- Bond activeAug 28, 2025
- WC coverage startsSep 29, 2025
- License expiresSep 30, 2027
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