Proficient Plumbing, C-36 Plumbing Contractor in Chino Hills, CA
Proficient Plumbing operating as a sole owner holds an active California contractor license (CSLB #490044), valid through Feb 28, 2027. First issued in 1986, the license has been on the CSLB roster for 40 years. It carries a single CSLB classification: 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 Chino Hills, in San Bernardino County, California.
- License Number
- 490044
- Issued
- Apr 17, 1986
- Status
- CLEAR
- Expires
- Feb 28, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100979201
- Effective
- Jul 22, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Feb 10, 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 Proficient Plumbing licensed in California?
Yes. Proficient Plumbing holds California Contractors State License Board license number 490044, which is active and in good standing. The license was first issued on April 17, 1986. It is valid through February 28, 2027.
What does Proficient Plumbing specialize in?
Proficient Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Proficient Plumbing headquartered?
Proficient Plumbing is headquartered at 3125 Oakcreek Road, Chino Hills, CA 91709, in San Bernardino County, California.
Does Proficient Plumbing have an active surety bond on file with CSLB?
Yes. Proficient Plumbing has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Proficient Plumbing carry workers' compensation coverage?
Proficient Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Proficient Plumbing's contractor license?
You can verify Proficient Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=490044.
- License issuedApr 17, 1986
- WC coverage startsFeb 10, 2025
- Bond activeJul 22, 2025
- License expiresFeb 28, 2027
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