Greenstone Plumbing, C-36 Plumbing Contractor in Sylmar, CA
Greenstone Plumbing operating as a sole owner holds an active California contractor license (CSLB #1111332), valid through Oct 31, 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 North River Insurance Company (the) and an exempt workers' compensation status (no employees on payroll). The business is based in Sylmar, in Los Angeles County, California.
- License Number
- 1111332
- Issued
- Oct 12, 2023
- Status
- CLEAR
- Expires
- Oct 31, 2027
- Entity
- Sole Owner
- Surety
- North River Insurance Company (the)
- Bond Number
- 04CF640533
- Effective
- Nov 28, 2024
- 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 Greenstone Plumbing licensed in California?
Yes. Greenstone Plumbing holds California Contractors State License Board license number 1111332, which is active and in good standing. The license was first issued on October 12, 2023. It is valid through October 31, 2027.
What does Greenstone Plumbing specialize in?
Greenstone Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Greenstone Plumbing headquartered?
Greenstone Plumbing is headquartered at 12937 Macneil Street, Sylmar, CA 91342, in Los Angeles County, California.
Does Greenstone Plumbing have an active surety bond on file with CSLB?
Yes. Greenstone Plumbing has an active California contractor surety bond filed with North River Insurance Company (the).
Does Greenstone Plumbing carry workers' compensation coverage?
Greenstone Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Greenstone Plumbing's contractor license?
You can verify Greenstone Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1111332.
- License issuedOct 12, 2023
- Bond activeNov 28, 2024
- WC coverage startsSep 29, 2025
- License expiresOct 31, 2027
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