Law Offices of David Z. Su

Immigration Law Firm

  • Recent Case: 48
  • Success Rate: 100%

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Contact Information


  • 626-915-4288
  • permcontact@lawsu.com, davidzsu@lawsu.com
  • 100 N. Citrus Street Suite 330, West Covina , CA 91791

About Law Offices of David Z. Su


During the past three years, Law Offices of David Z. Su has filed 48 labor condition applications for H-1B visas, all have been approved. The overall case success rate is 100%.

Statistics of Labor Petitions for H-1B Visa & Employment Based Green Card(PERM)


LCA For H-1B Visa
  • Applications Filed: 48
  • Case Denied: 0
LC for Green Card(PERM)
  • Applications Filed: 0
  • Cased Denied: 0

Labor Petitions (LC) for Green Card (PERM) Applications


Law Offices of David Z. Su has assisted clients in filing labor petitions for Green Card (PERM) applications. Below are key statistics:

Top Beneficiary Visas

Top Job Titles

Top O*NET Titles

Top Locations

Labor Condition Applications(LCA) for H-1B Visa


Law Offices of David Z. Su has filed labor condition applications for H-1B visas for a wide variety of positions and locations. Below are the top statistics:

Top Beneficiary Visas

H-1B

Top Job Titles

Network Engineer; Accountant; Business Development Specialist; Pricing Analyst; Market Research Analyst; Post Sales Engineer; Solutions Engineer; It Support Specialist; Network Security Engineer; Electrical Engineer

Top O*NET Titles

Top Locations

Los Angeles, CA; San Dimas, CA; Herndon, VA; San Jose, CA; Houston, TX; Austin, TX; Irvine, CA; Diamond Bar, CA; Jersy City, NJ; West Covina, CA

Practice Areas


  • Investor and Entrepreneur Visas: Advises entrepreneurs and investors on obtaining visas.
  • Deportation Defense: Represents clients in removal proceedings and assists with applications for relief such as asylum, cancellation of removal, or adjustment of status.
  • Workplace Compliance and Audits: Guides employers in complying with immigration laws.
  • Student and Exchange Visas: Supports F-1 and J-1 visa applicants.
  • Family Immigration: Helps families reunite through petitions for spouses, children, parents, and fiancés.
  • Green Card Applications: Helps clients obtain lawful permanent residency.

Immigration Lawyers or Agents at Law Offices of David Z. Su

David Z Su

Recent Case: 48 - Success Rate: Value: 100.00%.

View David Z Su Profile