We have not found any cost information for this lawyer
Jack C Sung
About Jack
Biography
Immigration attorney in Los Angeles, San Fernando Valley, Inland Empire, San Bernardino, Riverside and Orange County
Jack C. Sung, Principal Attorney, is an immigrant himself and understands how overwhelming the immigration and visa process may be. Since he started JCS Law Offices in 2007, he and his experienced staff have been providing clients with personalized immigration services. Mr. Sung believes clients should have updates on their cases and direct access to current immigration law. If you call, email, or text JCS Law Offices, Mr. Sung will personally respond to your inquiry within 24 hours. His goal is to keep clients informed so that they can make the right choices.
Mr. Sung is a graduate of Southwestern Law School in Los Angeles, CA. At Southwestern, he distinguished himself by receiving 3 CALI Excellence Awards for achieving the top grades in Contracts, Business Associations, and Sexual Orientation Law. He was also the Associate Editor for Southwestern’s Journal of Law & Trade. During law school, Mr. Sung was already a proponent of immigrant rights as he was an active volunteer with the Los Angeles County Bar Association’s Immigration Legal Assistance Project. He also authored a published article in Southwestern’s Journal of Law and Trade where he argued for giving undocumented workers all the rights and remedies under the National Labor Relations Act. Mr. Sung is also fluent in Mandarin and proficient in Japanese.
Currently, Mr. Sung is an avid volunteer attorney with the Los Angeles Executive Office of Immigration Review Pro Bono Attorney Panel. He was recently nominated for the Public Service Attorney of the Year Award by Los Angeles County Bar Association.
Jack C. Sung's Volunteer Work:Los Angeles Executive Office of Immigration Review Pro Bono Attorney Panel
Los Angeles County Bar Association’s Immigration Legal Assistance Project
State Bar of California
Los Angeles County Bar Association Immigration Law Section
Taiwanese American Lawyers Association (台美律師協會)
American Immigration Lawyers Association
Nominated, Public Service Attorney of the Year Award by Los Angeles County Bar Association
Author, Killing Two Birds With One Stone: Giving Undocumented Workers All the Rights and Remedies Under the National Labor Relations Act Deters Employers from Hiring and Exploiting Them, 13 SW. J.L. & Trade Am. 155 (2007).
Associate Editor, Journal of Law & Trade in the Americas (2006-2007)
Staff Member, Journal of Law & Trade in the Americas (2005-2007)
CALI Excellence Award, Contracts
CALI Excellence Award, Business Associations
CALI Excellence Award, Sexual Orientation Law
Honorable Senior Judge Takasugi in the 9th Circuit Federal Court
Los Angeles City Attorney’s Office
Los Angeles District Attorney’s Office
Practice Areas
1
Practice Area
Immigration
100%
20 years | 2,500 cases
Fees and Rates
Looking for an attorney? Avvo can help.
Search our directory
Quickly connect with top attorneys through our legal directory to get help with your legal issue.
Avvo's live chat agents can help coordinate a consultation with a local attorney.
Chat with a live agent who can match you with the right attorney for your legal needs.
Chat withLicenses
Licensed in California for 18 years
State: California
Acquired: 2007
No misconduct found
Location
JCS Immigration and Visa Law Office
2975 Wilshire Blvd. Suite 352, Los Angeles, CA, 90010
Gallery
Ad
Transform legal challenges into solutions.
Connect now to review your situation.
Jack C Sung's Reviews
Avvo Review Score
799 Client Reviews
Filter Avvo Reviews (799)
Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.
Practice Areas
Immigration (583)
Lawsuits & Disputes (4)
Employment & Labor (3)
Family (3)
Marriage & Prenuptials (2)
Appeals (1)
Bankruptcy & Debt (1)
Business (1)
Corporate & Incorporation (1)
Criminal Defense (1)
Divorce & Separation (1)
Domestic Violence (1)
Education (1)
Ethics & Professional Responsibility (1)
What Clients Mention
Practice Area Knowledge (370)
Responsiveness (206)
Recommendation (205)
General Knowledge (148)
Case Results (143)
Professionalism (143)
Communication Style (134)
Character & Conduct (71)
Advocacy (42)
Trustworthiness (40)
Cost of Services (30)
Free Consultations (28)
Staff & Support (22)
Compassion (21)
Punctuality (3)
Payment Plans (1)
Showing 1 - 5 of 206 reviews | Responsiveness
Posted by Veda | March 23, 2026 | Hired Attorney | Immigration
Professional and Reliable Immigration Support
Jack Sung provided outstanding immigration legal services throughout my case. His immigration consultation was highly professional, and he explained each step of the process clearly and thoroughly. He was consistently patient and responsive, providing detailed answers to all of my questions. His g...
Posted by Aviad | December 04, 2025 | Hired Attorney | Immigration
The Best Immigration Attorney You Can Hire
Exceptional immigration attorney with almost 20 years of experience, Jack is an outstanding advocate. He supported me through almost every process of my immigration journey with clarity, patience, and genuine care. He explained each step in plain language, kept me informed, and made the entire experi...
Posted by Theresa | November 22, 2025 | Immigration
Exceptional and professional service
Jack is an exceptional immigration attorney with deep professional knowledge and expertise. He consistently provides prompt and highly professional feedback, which gives us confidence and peace of mind regarding our immigration case. I would highly recommend his service to everyone!
Posted by Moiz | June 29, 2025
Highly Knowledgeable and Reliable Attorney
I had a fantastic experience working with Jack. He is incredibly responsive — always quick to reply to any questions or concerns I had. His knowledge and expertise were evident from the start, and I always felt like I was in good hands. What really stood out was his willingness to help at every step ...
Posted by Kapil | June 16, 2025 | Hired Attorney | Immigration
Best immigration lawyer in city.
I highly recommend Jack. He is incredibly responsive and always available to answer any questions. Jack handled my parents’ green card application, and it was approved within four months. As an Indian, I know there are many immigration lawyers in the city, including Indian lawyers, but I’m so glad...
Jack C Sung's Lawyer Endorsements
"I have known Jack professionally for nearly 6 years. Jack, in addition to being highly likable, is a resourceful immigration attorney. I recommend and endorse him without reservation."
"Jack is my go-to Immigration reference. We have worked together on some cases and he has even done some cases for my own family members. He is extremely knowledgable, very accessible by email/phone/chat, and always responds quickly and swiftly to any question. He is multi-lingual and extremely capable of juggling many things at once, which is what an immigration attorney has to do. He's great!"
"I have known Jack for about a year through an online legal forum. He's very knowledgeable about any immigration law issues. What distinguishes him from many other practitioners is that he's very passionate about his practice area (immigration) and committed to excellent client service. I have seen him actively participating in local communities and answering any questions about immigration law without reservation. I highly recommend him!"
"Jack Sung takes the time to personally interact with his clients. He offers free consultations and directs new callers directly to his cell phone, even after normal business hours. He is patient and cares about his clients. I highly recommend him for any immigration issue."
"I endorse this lawyer."
"I endorse this lawyer."
"Jack is highly motivated and energetic. He genuinely cares about his clients and is sympathetic to their needs. He is also very knowledgeable about immigration law and its application to individual cases."
"Jack cares so much about his client that he used to take calls from clients at all hours. I always see him at different bar association functions and seminars, learning and sharing."
Victor Cheng
Business lawyer
Michael Whitmarsh
Family lawyer
Yifan Everett
Employment and labor lawyer
Wendy Wu
Unknown lawyer
Experience
Honors
2018
Client's Choice, Avvo
2007
Public Service Attorney of the Year, Criminal Courts Bar Association Los Angeles
2007
Contracts, CALI Excellence for the Future Award
2007
Business Associations, CALI Excellence for the Future Award
2007
Sexual Orientation LAw, CALI Excellence for the Future Award
Work Experience
2012 - Present
Vice President, Taiwanese American Lawyers Association (TALA)
2007 - Present
Principal Attorney/Owner, JCS Immigration and Visa Law Office
2007 - 2013
Volunteer Attorney, Los Angeles Executive Office of Immigration Review Pro Bono Attorney Panel
2007 - 2013
Volunteer Attorney, Los Angeles County Bar Association's Immigration Legal Assistance Project
2006 - 2007
Law Clerk, Los Angeles County District Attorney's Office
2006 - 2007
Law Clerk, 9th Circuit Federal Court Of Appeals
2005 - 2006
Law Clerk, Los Angeles City Attorney's Office
Associations
2008 - Present
Taiwanese American Lawyers Associationmember
2007 - Present
Los Angeles County Bar AssociationMember
2007 - Present
American Immigration Lawyers AssociationMember
Sample of Legal Cases
Saudi Arabia Gay Client Seeking Asylum in the U.S.
Asylum Approval in 90 days
Education
2007
Southwestern University School of Law
Juris Doctor
2003
University of California - Irvine
Undergraduate
Speaking Engagements
2013
Southwestern Legal Career Seminar
Legal Career Seminar
2013
LGBT Immigration Seminar
Same-Sex Marriage Immigration
2013
Community Legal Seminar
Immigration Law
Publications
2007
Southwestern Journal of Law and Trade in the Americas
Killing Two Birds with One Stone: Giving Undocumented Workers All the Rights and Remedies Under the National Labor Relations Act Deters Employers from Hiring and Exploiting Them
Languages
Mandarin
Chinese, Min Nan
English
Activity
Legal Answers
Legal Answers
Q&A
Travel on an NTA (notice to appear) pending issuance
29 Oct 2010
Q&A
Early walk in biometrics, can this be a problem?
20 Oct 2010
Q&A
I485 / I130 Medical Exam: Marijuana Use An Issue?
23 Nov 2008