Public CSLB records

Proficient Plumbing

License #490044·Sole Owner·Chino Hills, San Bernardino County
Download PDF
Owed money by Proficient Plumbing? File a 20-day preliminary notice to keep your lien rights.Send a notice
Summary

Proficient Plumbing operating as a sole owner is licensed in California under CSLB number 490044. The license was first issued in 1986, putting the business at 40 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 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.

Business Information
Address
3125 Oakcreek Road
Chino Hills, CA 91709
License Details & Classifications
License Number
490044
Issued
Apr 17, 1986
Status
CLEAR
Expires
Feb 28, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100979201
Effective
Jul 22, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Feb 10, 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 Proficient Plumbing licensed in California?

Yes. Proficient Plumbing holds California Contractors State License Board license number 490044. 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.

Activity Timeline
  1. License issuedApr 17, 1986
  2. WC coverage startsFeb 10, 2025
  3. Bond activeJul 22, 2025
  4. License expiresFeb 28, 2027
Other contractors in San Bernardino County