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.
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
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
Grounds of Inadmissibility: Common Reasons and Solutions
Everyone dreams of building a better future, and for many, the United States symbolizes opportunity and hope. However, the journey to achieve this dream can be…
Read MoreCan Green Card Holders Be Denied Entry?
You finally got it—your Green Card. For many, it’s a dream come true, symbolizing stability, security, and the chance to fully embrace life in the United…
Read MoreGreen Card Approval After Medical Exam: What to Expect
Applying for a green card is a significant step, and one important part of the process is the medical exam. It’s not just a box to…
Read MoreI-551 Stamp Without an Appointment: What You Need to Know
Did you miss your green card renewal or need proof of your permanent resident status? Don’t panic—there’s a solution. Whether you’re gearing up for travel or…
Read MoreNeed Asylum Protection? Learn How We Can Help You Stay Safe
If you’re in the U.S. and fear returning to your home country due to persecution based on your race, religion, nationality, political views, or group membership,…
Read MoreWhat Happens If I-751 Is Denied?
Form I-751, the Petition to Remove Conditions on Residence, is an important step for conditional green card holders looking to secure permanent residency. If your I-751…
Read MoreIs Cuban Adjustment Act Still In Effect
The Cuban Adjustment Act (CAA) has long stood as a beacon of hope for Cuban immigrants seeking a pathway to permanent residency in the United States.…
Read MoreInfopass Appointment Explained: When and Why You Need One
The U.S. immigration process can feel overwhelming—questions pile up, documents seem endless, and clear answers can be hard to find. At N400 Harbor Immigration Law, we’re…
Read MoreDenied a Visa? Understanding 214(b) Refusals
Planning a trip to the U.S. is exciting, but that thrill can quickly fade if your visa application is turned down. One of the most common…
Read MoreCan I Get a Green Card After 10 Years in the U.S.?
The American Dream—it’s a powerful aspiration for so many. But what if you’ve been in the U.S. for a decade, living and contributing, yet still haven’t…
Read MoreStories from Our Satisfied Clients
"I had an exceptional experience with Dario Castaneda during a recent phone consultation. He was incredibly knowledgeable and took the time to thoroughly explain every detail of my case, ensuring I fully understood my options. His professionalism and patience were evident throughout the entire conversation, and I never felt rushed. Dario's expertise in immigration law is clear, and his ability to break down complex legal matters into easy-to-understand terms made me feel confident and well-informed. I highly recommend him for anyone in need of immigration legal assistance!"
"Amazing lawyer! Dario guided us through the entire process of requesting our E2 Visa. He was always available for my calls or texts, also his team was always on top of every single detail. He got us ready for our interview and presented a great case, we only got asked two questions during the interview because of this!"
"I recently attained U.S. citizenship, and I owe my gratitude to Dario Castenada and N400 Harbor Immigration Law for their invaluable assistance. Dario expertly guided me through every step of the process. He even took the time to call me the day before my interview, outlining what I should expect and the kinds of questions that would be asked. I'm extremely thankful for Dario's effort to alleviate my stress!"
"Do yourself a favor and hire Attorney Dario and his team. They are amazing, they made my immigration application process easy and so smooth. I was able to get everything I needed in exactly a year. I am now a green card holder and ready to travel the world. Thank you Dario for everything.”
"Dario and the N400 Harbor Immigration Law team are extremely knowledgeable, and they take the time to patiently explain the complexities of immigration law. He is a very empathetic person who goes above and beyond to ensure everything is done with a keen eye for detail and in a timely manner. Dario is quick to respond to any inquiries and ensures you feel listened to and understood"
"I just want to start off by saying how thankful and blessed I was for coming across Dario and his whole attorney team. Dario helped my husband with receiving his citizenship a few weeks back, it was stressful for us due to my husband having a background many years back but Dario fought for us and helped push everything thru and made it as stress free as possible. He was always so understanding and explained everything so thoroughly. I would highly recommend him!"
"Mr. Castaneda has shown a lot of attention to my citizenship process and is very attentive throughout each step. He is very knowledgeable in his field and I am very glad that I have him representing me. I am very confident in his skills and it's a great comfort knowing that I hired a top-tier professional like Dario, to guide me through this complicated process!"
"Dario and everyone at his firm did an incredible job with our case which had a positive outcome. He immediately put our mind at ease with excellent consultation. He filed the forms in an incredible timely and thorough manner. He followed up immediately when the government responded. And he coached us before our interview which made everything easier. I would recommend him to anyone who has an immigration issue."
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