About Us


The O’Brien Law Firm was founded in 2006 by Aaron J. O’Brien and Christina M. O’Brien, a husband and wife team. While still partners in life, Christy began working at Henderson Franklin in 2013. The O’Brien Law Firm is located on the Third Floor of the historic Richard’s Building located at 1617 Hendry Street in Fort Myers. We are centrally located within a short walking distance of the Lee County Justice Center, the Federal Courthouse, City Hall, Lee County Mediation, Lee County Administration and all downtown buildings.

The O’Brien Law Firm office is open Monday through Friday, with availability on the weekends when necessary. When not in the office, we can be contacted 24/7 through our telephone answering service.

Tidewater Building, downtown Fort Myers, Florida | Attorney Aaron O'Brien


If you’ve been arrested or injured or you are under investigation or gotten the attention of the government, you are facing one of the biggest challenges of your life. You need a local, experienced, knowledgeable, aggressive, and effective attorney to represent you and your interests. You need an attorney like Aaron O’Brien.

Aaron O’Brien has handled cases of virtually all types for all kinds of people from all walks of life right here in Southwest Florida. Satisfied former clients and highly respected lawyers refer people to Mr. O’Brien because he has a reputation for being diligent, tenacious, and knowledgeable of the law.

You can be sure that no matter what the circumstances are, Aaron O’Brien will not judge you, only vigorously represent you. He will spend the time necessary to listen to you, to fully understand you, and to achieve the best possible result for you.

And, it certainly can’t hurt to have a little luck of the Irish!

Florida Civil Defense Attorney, Aaron O'Brien