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

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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Can a Deported Person Come Back Legally

Have you ever wondered if deportation truly means you can never return? Many individuals assume that once they’ve been sent away, there’s no chance to rejoin…

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Can a Lawyer Stop Deportation

Have you ever wondered if legal help can make a big difference when facing removal from the United States? Many families worry about how this process…

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The Migrant Protection Protocols Are Back: What You Should Know

On January 21, 2025, the Migrant Protection Protocols (MPP) were reinstated under the Trump administration. If you’re seeking asylum or know someone who is, this change…

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Immigrant vs. Nonimmigrant Visas: What’s the Difference?

Have you wondered why some visas allow you to live in the United States for years while others grant only a temporary visit? We know that…

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Can an Immigration Lawyer Help Speed Up Your Case?

Waiting on an immigration case can feel endless—months go by, and you’re still checking for updates with no clear answers. Whether you’re applying for a visa,…

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Seven Reasons You May Be Denied U.S. Citizenship

Do you dream of completing the naturalization process and gaining your place as a U.S. citizen? We understand how achieving that status can make a positive…

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Types of Questions Asked During a U.S. Asylum Interview

Applying for asylum can be stressful, especially the interview. You might be worried about the kinds of questions you will face and how to deliver clear,…

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Can You Reapply for Asylum After a Denial?

Have you run into a setback in your asylum process and wondered if there’s still a way forward? A denial can feel like a heavy burden,…

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DHS Expands Immigration Arrest Powers to DOJ Officials

At N400 Harbor Immigration Law, we are committed to keeping you informed about changes that could impact your immigration status. A recent shift in enforcement policy…

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Stories from Our Satisfied Clients

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