Sean Wonchin Oh
Sean Wonchin Oh operating as a sole owner is licensed in California under CSLB number 1148272. The license was first issued in 2025, putting the business at 1 year on the active CSLB roster. It carries a single CSLB classification: B — General Building 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 Los Angeles, in Los Angeles County, California.
- License Number
- 1148272
- Issued
- Dec 26, 2025
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 101010905
- Effective
- Nov 18, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Dec 5, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
- 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 Sean Wonchin Oh licensed in California?
Yes. Sean Wonchin Oh holds California Contractors State License Board license number 1148272. The license was first issued on December 26, 2025. It is valid through December 31, 2027.
What does Sean Wonchin Oh specialize in?
Sean Wonchin Oh is licensed for one CSLB classification: B General Building Contractor.
Where is Sean Wonchin Oh headquartered?
Sean Wonchin Oh is headquartered at 3680 Wilshire Blvd 212, Los Angeles, CA 90010, in Los Angeles County, California.
Does Sean Wonchin Oh have an active surety bond on file with CSLB?
Yes. Sean Wonchin Oh has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Sean Wonchin Oh carry workers' compensation coverage?
Sean Wonchin Oh reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Sean Wonchin Oh's contractor license?
You can verify Sean Wonchin Oh's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1148272.
- Bond activeNov 18, 2025
- WC coverage startsDec 5, 2025
- License issuedDec 26, 2025
- License expiresDec 31, 2027
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