K. Sebastian Karczmarczyk, Esq.


Associate Attorney

K. Sebastian Karczmarczyk is a litigation associate.

Sebastian has a range of experience in the areas of matrimonial/family law, estate law, landlord & tenant law, real estate and personal injury. His litigation practice includes complex civil and matrimonial litigation and appeals at the state level.

Prior to joining The Law Offices of Frank Bruno, Jr., Sebastian graduated with honors from University of Leicester, which has been consistently ranked among the best law schools in England.

During law school, Sebastian served as an editor for the Law Society Magazine and represented his University at the 7th Annual Oxford International Intellectual Property Law Moot Competition.

Additionally, Sebastian received training from the National Institute for Trial Advocacy and the New York State Bar Association Trial Academy to conduct jury trials in litigation in the New York Supreme Court.

He is an active member of the New York State Bar Association and the Queens County Bar Association where he participates in the Family Law and Family Court Committee.

Practice Areas



Estate Law

Landlord & Tenant Law

Landlord & Tenant Law






These guys are the definition of professional. The office is very clean and welcoming. They are experts in their field. Incredibly empathetic and very knowledgeable on all matters family law, divorce, real estate, and trusts and estates. I highly recommend!