David Z Su

Immigration Lawyer at Law Offices of David Z. Su

  • 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 David Z Su


David Z Su, who is licensed to practice at Supreme Court Of California, CA, Superior Court Of California, CA, is an immigraton attorney at Law Offices of David Z. Su. During the past three years, David Z Su has filed 48 labor condition applications for H-1B visas, all have been approved . The overall case success rate is 100%.

Client Information


Top Employer Clients
Industries Represented
    Information, Wholesale Trade, Professional, Scientific, and Technical Services, Transportation and Warehousing, Finance and Insurance
Top Colleges Graduating From

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


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


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, Market Research Analyst, Pricing Analyst, It Support Specialist, Post Sales Engineer, Solutions Engineer, Electrical Engineer, Business Operations Specialists

Top O*NET Titles

Network and Computer Systems Administrators, Market Research Analysts and Marketing Specialists, Accountants and Auditors, Computer Network Support Specialists, Information Security Engineers, Accountants, Business Operations Specialists, All Other, Financial Risk Specialists, Information Technology Project Managers, Financial and Investment Analysts

Top Locations

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

Practice Areas


  • Temporary Protected Status (TPS): Assists individuals from designated countries.
  • Workplace Compliance and Audits: Guides employers in complying with immigration laws.
  • Student and Exchange Visas: Supports F-1 and J-1 visa applicants.
  • Deportation Defense: Represents clients in removal proceedings and assists with applications for relief such as asylum, cancellation of removal, or adjustment of status.

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