Public CSLB records

Heavy Duty Plumbing LLC

License #1109780·Limited Liability·Sylmar, Los Angeles County
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Summary

Heavy Duty Plumbing LLC operating as a limited liability is licensed in California under CSLB number 1109780. The license was first issued in 2023, putting the business at 3 years on the active CSLB roster. 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.

Business Information
Address
12825 Glenoaks Blvd
Sylmar, CA 91342
License Details & Classifications
License Number
1109780
Issued
Sep 6, 2023
Status
CLEAR
Expires
Sep 30, 2027
Entity
Limited Liability
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67608483
Effective
Aug 28, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Sep 29, 2025
Expires
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Heavy Duty Plumbing LLC licensed in California?

Yes. Heavy Duty Plumbing LLC holds California Contractors State License Board license number 1109780. 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.

Activity Timeline
  1. License issuedSep 6, 2023
  2. Bond activeAug 28, 2025
  3. WC coverage startsSep 29, 2025
  4. License expiresSep 30, 2027
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