Sigma Plumbing & Rooter
Sigma Plumbing & Rooter operating as a corporation is licensed in California under CSLB number 1142457. The license was first issued in 2025, putting the business at 1 year on the active CSLB roster. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and an exempt workers' compensation status (no employees on payroll). The business is based in Norwalk, in Los Angeles County, California.
- License Number
- 1142457
- Issued
- Aug 22, 2025
- Status
- CLEAR
- Expires
- Aug 31, 2027
- Entity
- Corporation
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101586271
- Effective
- Jul 29, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 22, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
- License issued less than 2 years ago
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Sigma Plumbing & Rooter licensed in California?
Yes. Sigma Plumbing & Rooter holds California Contractors State License Board license number 1142457. The license was first issued on August 22, 2025. It is valid through August 31, 2027.
What does Sigma Plumbing & Rooter specialize in?
Sigma Plumbing & Rooter is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Sigma Plumbing & Rooter headquartered?
Sigma Plumbing & Rooter is headquartered at 16306 Alora Ave, Norwalk, CA 90650, in Los Angeles County, California.
Does Sigma Plumbing & Rooter have an active surety bond on file with CSLB?
Yes. Sigma Plumbing & Rooter has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Sigma Plumbing & Rooter carry workers' compensation coverage?
Sigma Plumbing & Rooter reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Sigma Plumbing & Rooter's contractor license?
You can verify Sigma Plumbing & Rooter's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1142457.
- WC coverage startsJul 22, 2025
- Bond activeJul 29, 2025
- License issuedAug 22, 2025
- License expiresAug 31, 2027
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