Greenway Lawyer
Jack C. Sung, immigration attorney in Los Angeles, California
Bar Verified · Active

Jack C. Sung

Immigration attorney · Los Angeles, CA · Admitted California 2007

About this attorney

Jack C. Sung is the founder and principal attorney at JCS Immigration and Visa Law Office in Los Angeles, California. With over 17 years of dedicated legal experience, Mr. Sung focuses exclusively on immigration and nationality law, guiding individuals, families, and businesses through complex visa, residency, and naturalization processes across Southern California.

An immigrant himself, Mr. Sung earned his Juris Doctor from Southwestern Law School, where he served as Associate Editor of the Journal of Law and Trade in the Americas and received three CALI Excellence for the Future Awards. During his early career, he served as a judicial extern to Senior Judge Robert M. Takasugi in the U.S. District Court for the Central District of California and completed clerkships with the Los Angeles City Attorney's Office and the District Attorney's Office. A passionate advocate for community legal access, he served as Vice President of the Taiwanese American Lawyers Association and has volunteered extensively with the Los Angeles County Bar Association and the EOIR Pro Bono Attorney Panel, earning a nomination for Public Service Attorney of the Year.

Mr. Sung is committed to providing responsive, highly personalized representation with open lines of communication. Understanding the stress and uncertainty inherent in immigration proceedings, he ensures clients receive prompt updates and direct counsel, personally answering client inquiries within 24 hours to empower them with clear guidance at every stage of their case.

Matters handled

Practices before USCIS, EOIR immigration courts, and the Board of Immigration Appeals (BIA):

Practice Focus

Asylum and refugee protection

Practice Focus

Green cards

Practice Focus

Marriage and family petitions

Practice Focus

Work visas

Practice Focus

Citizenship and naturalization

Practice Focus

Deportation defense

Practice Focus

Student visas

Practice Focus

Business immigration

Specific Legal Services & Filings
Citizenship Legal AssistanceDeportation/Removal DefenseGreen Card Legal AssistanceNaturalization AssistanceImmigration Bond AssistanceWaiver Applications

Admissions

Licensing and court practice jurisdictions:

California State BarActive
Admitted: 2007
Verified
Federal Immigration Court Practice (EOIR)

Authorized to appear and represent clients before all United States Immigration Courts, the Board of Immigration Appeals (BIA), and USCIS administrative interviews nationwide under 8 C.F.R. § 1292.1.

Law School & Legal Education
Southwestern Law SchoolJuris Doctor (2007)
University of California, IrvineBachelor of Arts (2003)

Languages

Languages consultations and case preparations are conducted in:

EnglishJapaneseMandarin

Consultations

Consultation formats, fee structures, and scheduling terms:

Format Options
In-person, Phone & Video

Initial assessments conducted via secure video conference (Zoom/Meet), telephone, or in-person at the firm office.

Initial Consultation Fee
Fixed Fee Consultation

Consultation fee is credited directly toward total legal representation fees if you retain the attorney.

Office

Physical office location, remote availability, and jurisdictions served:

Physical Address
Jack C. Sung
2975 Wilshire Blvd.
Suite 352
Los Angeles, CA 90010
Remote Representation Available

Because United States immigration law is strictly federal, this attorney represents clients living across all 50 states, U.S. territories, and abroad with electronic filings and secure video consultations.

Contact

Reach Jack directly by phone or submit your inquiry below:

Direct Telephone
+1 (323) 380-8034
Law Firm Website
Visit firm website

Submitting this form does not create an attorney-client relationship. Do not include confidential case numbers or sensitive details until representation is confirmed.

Direct Consultation

First ContactDirect to Attorney
Bar LicenseVerified Active
Response Time1–2 Business Days
Call +1 (323) 380-8034Send Secure Message
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Jack C. Sung pays to be listed on Greenway Lawyer. This listing is advertising. It is not a recommendation, and Greenway Lawyer has not evaluated the quality of this attorney's work. We have confirmed that licensing is active in California as of 4 September, 2026. Any attorney-client relationship you form is with Jack C. Sung or their firm, not with Greenway Lawyer.