Tier One Plumbing, B General Building Contractor in Los Angeles, CA
Tier One Plumbing operating as a corporation holds an active California contractor license (CSLB #972037), valid through Mar 31, 2028. First issued in 2012, the license has been on the CSLB roster for 14 years. It carries 3 CSLB classifications: B General Building Contractor, C-16 Fire Protection Contractor, and C-36 Plumbing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Los Angeles, in Los Angeles County, California.
- License Number
- 972037
- Issued
- Apr 12, 2012
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100975159
- Effective
- Jul 9, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 19, 2026
- 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 Tier One Plumbing licensed in California?
Yes. Tier One Plumbing holds California Contractors State License Board license number 972037, which is active and in good standing. The license was first issued on April 12, 2012. It is valid through March 31, 2028.
What does Tier One Plumbing specialize in?
Tier One Plumbing is licensed for 3 CSLB classifications: B General Building Contractor, C-16 Fire Protection Contractor, and C-36 Plumbing Contractor.
Where is Tier One Plumbing headquartered?
Tier One Plumbing is headquartered at 3517 Inglewood Blvd, Los Angeles, CA 90066, in Los Angeles County, California.
Does Tier One Plumbing have an active surety bond on file with CSLB?
Yes. Tier One Plumbing has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Tier One Plumbing carry workers' compensation coverage?
Tier One Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Tier One Plumbing's contractor license?
You can verify Tier One Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=972037.
- License issuedApr 12, 2012
- Bond activeJul 9, 2025
- WC coverage startsMar 19, 2026
- License expiresMar 31, 2028
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