Yun John Sukjung, C-38 Refrigeration Contractor in Los Angeles, CA
Yun John Sukjung operating as a sole owner holds California contractor license #691956, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 1994, the license has been on the CSLB roster for 32 years. It carries a single CSLB classification: C-38 — Refrigeration 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
- 691956
- Issued
- Jul 12, 1994
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 91825
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jun 24, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Yun John Sukjung licensed in California?
Yun John Sukjung previously held California Contractors State License Board license number 691956, but the license expired on July 31, 2026 and is not currently valid. It was first issued on July 12, 1994.
What does Yun John Sukjung specialize in?
Yun John Sukjung is licensed for one CSLB classification: C-38 Refrigeration Contractor.
Where is Yun John Sukjung headquartered?
Yun John Sukjung is headquartered at 819 S Alvarado St Ste 203, Los Angeles, CA 90057, in Los Angeles County, California.
Does Yun John Sukjung have an active surety bond on file with CSLB?
Yes. Yun John Sukjung has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Yun John Sukjung carry workers' compensation coverage?
Yun John Sukjung reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Yun John Sukjung's contractor license?
You can verify Yun John Sukjung's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=691956.
- License issuedJul 12, 1994
- Bond activeJan 1, 2023
- WC coverage startsJun 24, 2024
- License expiredJul 31, 2026
- Luong Johnny#571485Hacienda Heights·C-10 Electrical Contractor
- Airplus Refrigeration INC#581255West Hills·C-20 HVAC Contractor
- Vartanian Aramais#551576Montrose·C-38 Refrigeration Contractor
- Soroush & Associates General Engineering Contractors INC#630215Los Angeles·A General Engineering Contractor
- Mundy's Refrigeration#626868Lancaster·C-20 HVAC Contractor
- City Air CO#593858Downey·B General Building Contractor
- Cypress Heating & Air Conditioning INC#593268Glendora·C-20 HVAC Contractor
- Kwon Jin Hwan#613330La Canada Flintridge·C-38 Refrigeration Contractor
Working a California job with Yun John Sukjung, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Yun John Sukjung? Claim or correct this profile