We represent you with distinction and the backing of 60 years of combined legal success.
Combined 60 years of experience
Costello & Whitmore was formed in 2004. We are committed to helping you work through your legal situation. We offer individual analysis and attention to your case, without passing you off to a less-experienced associate. Call or email us today to discuss how we can help you achieve your goals. We offer virtual and in-person appointments.
- Established Practice in NJ and PA
- Courteous Staff
- Track record of success
- Dedicated to the best outcomes for our clients
Practice Areas
What Our Clients Say About Us
We want the best for our clients. It is our pleasure to serve their needs and represent them with professionalism and integrity.
Excellent Representation
Marissa is a true professional and is always willing to assist you.
5 Stars
Thank You!
High quality professionalism
Very even tempered. pleasant to work with.
5 Stars
Thank You!
Just what I needed
Great Communication and Responsiveness
5 Stars
Thank You!
Our Attorneys
Marissa J. Costello
Marissa J. Costello was raised in Cherry Hill, New Jersey. She attended Boston University School of Law and has been practicing law in the State of New Jersey for over 30 years. She has experience in family court litigation and tax preparation return analysis. Her practice includes most cases heard in Family Court. Ms. Costello also handles municipal court charges and real estate transactions related to your family matter, and prepares simple wills, powers of attorney and medical directives.
Marissa believes that the best way to resolve your family law matter is to be fully informed of the facts and the law. She will partner with you to determine the best way to pursue your goals, whether that be negotiating an agreement or aggressively advocating your position in court. Ms. Costello has successfully represented clients in all areas of family law and appeared in every county court in the State of New Jersey. Marissa is a respected mediator, certified by the Supreme Court of New Jersey, and helps other attorneys settle their cases as an MESP panelist.
Our Attorneys
Roy L. Whitmore
Roy L. Whitmore grew up in Camden, New Jersey. He was a police officer for 30 years and has been a criminal defense attorney for over 30 years. He graduated from Rowan University and Widener Law School and has taught at the law school as an adjunct professor/special presenter. Roy’s practice includes defense of criminal charges in both superior and municipal court, defense of traffic violations and DUI/DWI/refusal charges, gun appeals, licensing issues, expungements and related matters. He also handles significant personal injury cases.
Roy believes in straight talk and will not sugarcoat your options. He uses his law enforcement experience and puts in the work to find weaknesses in the State’s case and obtain the best possible results.
Contact Us
Phone: (856) 983-3101
Fax: (856) 983-3114
email@costelloandwhitmore.com