Your Partner in Overcoming Immigration Challenges

Helping Individuals, Businesses and Organizations Nationwide to obtain their Visas, Green Cards and Citizenship.

N400 Harbor Immigration Law

N400 Harbor Immigration Law, P.L.L.C. is a full-service immigration law firm located in Pompano Beach, Florida. In addition to serving clients in Florida, we help individuals, businesses, and organizations nationwide to obtain visas, Green Cards, and citizenship.

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Comprehensive Immigration Services You Can Trust

At N400 Harbor Immigration Law we understand that the United States of America is a melting pot of immigrants from all over the world. We also are aware of the legal challenges that many immigrants who are coming and seeking to stay in the U.S. face every day. Here at N400 Harbor Immigration Law we work tirelessly and compassionately to help our clients navigate the complexities of the U.S. immigration legal system.

We are invested in your story and provide legal services with a high level of expertise and care. We would be honored to represent you, so you can plan and build your future in the United States of America.

Our Services

Legal Associations

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Dario Castañeda, ESQ

Founder & Managing Attorney

Mr. Castañeda concentrates his practice in both family-based and employment immigration law and has extensive experience in removal proceedings.

Immigration News

O-1 vs. H-1B: Choosing the Right Visa for Skilled Workers

Balancing two promising U.S. job offers can quickly reveal that the real hurdle is choosing the right visa. Every spring, countless talented professionals face this crossroads.…

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Common Pitfalls When Selecting an Immigration Lawyer

Choosing the right immigration lawyer can feel like walking a tightrope. One small slip and your visa, green card, or citizenship plans may wobble. At N400…

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How to Go From an E2 Visa to a U.S. Green Card

Running a business in the United States on an E2 visa feels exciting, yet the temporary label on that visa can weigh on your mind. You…

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Southern Border Entry Suspended Under New Executive Order

On January 20, 2025, President Trump signed an executive order that stops most migrants—including asylum seekers—from entering through the southern border. The order calls the current…

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When Does an Immigration Judge Terminate Deportation Proceedings?

Deportation proceedings bring an emotional toll on individuals and families. It can feel overwhelming to face the possibility of being removed from the United States, especially…

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USCIS Social Media Checks: How Your Online Activity Impacts Immigration

Could a simple tweet affect your visa? Social platforms started as places to share photos and jokes, yet immigration officers now study them for clues about…

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Can You Switch Immigration Lawyers? What You Need to Know

Your immigration case is deeply personal, and the lawyer guiding you should be someone you trust. But what if that relationship is no longer working? At…

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How Long Does Asylum Status Last in the U.S.?

If you’ve been granted asylum in the U.S., you may wonder how long that protection lasts and what steps you need to take next. The process…

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What to Do After Immigration Removal Proceedings Are Terminated

Removal proceedings can feel overwhelming, and when they end, questions about what comes next often follow. At N400 Harbor Immigration Law, we work with individuals, organizations,…

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Why Would a Green Card Be Denied?

Have you ever puzzled over the reasons why a green card application might hit a dead end? It can be unsettling when you work so hard…

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Stories from Our Satisfied Clients

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