Oc Plumbing by Osta, C-36 Plumbing Contractor in Irvine, CA
Oc Plumbing by Osta operating as a limited liability holds an active California contractor license (CSLB #1147963), valid through Dec 31, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Philadelphia Indemnity Insurance Company and active workers' compensation coverage from Amtrust Insurance Company. The business is based in Irvine, in Orange County, California.
- License Number
- 1147963
- Issued
- Dec 19, 2025
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Limited Liability
- Surety
- Philadelphia Indemnity Insurance Company
- Bond Number
- PB10163406227
- Effective
- Dec 11, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Amtrust Insurance Company
- Policy Number
- 5693027
- Effective
- Dec 11, 2025
- Expires
- Dec 11, 2026
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Oc Plumbing by Osta licensed in California?
Yes. Oc Plumbing by Osta holds California Contractors State License Board license number 1147963, which is active and in good standing. The license was first issued on December 19, 2025. It is valid through December 31, 2027.
What does Oc Plumbing by Osta specialize in?
Oc Plumbing by Osta is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Oc Plumbing by Osta headquartered?
Oc Plumbing by Osta is headquartered at 18650 Macarthur Blvd Ste 450, Irvine, CA 92612, in Orange County, California.
Does Oc Plumbing by Osta have an active surety bond on file with CSLB?
Yes. Oc Plumbing by Osta has an active California contractor surety bond filed with Philadelphia Indemnity Insurance Company.
Does Oc Plumbing by Osta carry workers' compensation coverage?
Yes. Oc Plumbing by Osta carries active workers' compensation coverage through Amtrust Insurance Company.
How do I verify Oc Plumbing by Osta's contractor license?
You can verify Oc Plumbing by Osta's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1147963.
- Bond activeDec 11, 2025
- WC coverage startsDec 11, 2025
- License issuedDec 19, 2025
- WC expiresDec 11, 2026
- License expiresDec 31, 2027
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