Oc Plumbing by Osta
Oc Plumbing by Osta operating as a limited liability is licensed in California under CSLB number 1147963. The license was first issued in 2025, putting the business at 1 year on the active CSLB roster. 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
This contractor warrants a closer look before contracting:
- License issued less than 2 years ago
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. 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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