Pioneer Plumbing CO, C-36 Plumbing Contractor in Winchester, CA
Pioneer Plumbing CO operating as a sole owner holds an active California contractor license (CSLB #1114070), valid through Dec 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 Philadelphia Indemnity Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Winchester, in Riverside County, California.
- License Number
- 1114070
- Issued
- Dec 18, 2023
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Sole Owner
- Surety
- Philadelphia Indemnity Insurance Company
- Bond Number
- PB10163404266
- Effective
- Sep 29, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Nov 18, 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 Pioneer Plumbing CO licensed in California?
Yes. Pioneer Plumbing CO holds California Contractors State License Board license number 1114070, which is active and in good standing. The license was first issued on December 18, 2023. It is valid through December 31, 2027.
What does Pioneer Plumbing CO specialize in?
Pioneer Plumbing CO is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Pioneer Plumbing CO headquartered?
Pioneer Plumbing CO is headquartered at 33445 Fowler Dr, Winchester, CA 92596, in Riverside County, California.
Does Pioneer Plumbing CO have an active surety bond on file with CSLB?
Yes. Pioneer Plumbing CO has an active California contractor surety bond filed with Philadelphia Indemnity Insurance Company.
Does Pioneer Plumbing CO carry workers' compensation coverage?
Pioneer Plumbing CO reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Pioneer Plumbing CO's contractor license?
You can verify Pioneer Plumbing CO's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1114070.
- License issuedDec 18, 2023
- Bond activeSep 29, 2025
- WC coverage startsNov 18, 2025
- License expiresDec 31, 2027
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