western new york's premier law firm

Justice. Advocacy. Results.

niagara falls · lockport · tonawanda
Serving western new york since 1983

Our Mission

Empowering individuals through legal expertise, Mansour Law is dedicated to protecting your rights and providing effective solutions. With a commitment to integrity and justice, we strive to make the legal process accessible, understandable, and tailored to your unique needs.

niagara falls · lockport · tonawanda

Practice Areas


As your advocate in court, we fiercely defend your rights and provide unwavering support in criminal cases, offering a path to justice and a brighter future.

Estates & Wills

We help secure your legacy and ensure your wishes are honored. Keep your loved ones protected with comprehensive estate planning and will services.

Personal Injury

When accidents happen, we'll stand by your side, seeking rightful compensation for injuries, medical bills, and emotional distress, so you can heal and move forward.

Real Estate

Navigate the complexities of real estate law, we'll ensure a smooth journey in property matters, from simple transactions to any types of disputes.

Landlord Tenant Disputes

We mediate and resolve conflicts efficiently, safeguarding the interests of both landlords and tenants, promoting fair and lawful resolutions.

dedicated advocate. community pillar.

David J. Mansour, Esq.

David J. Mansour, Esq., is a distinguished attorney with deep roots in Niagara County. He earned his Bachelor’s degree from Hobart College and continued his academic journey at the University of Toledo College of Law, where he successfully obtained his Juris Doctor degree.

Born and raised in Niagara County, David is committed to serving his community. He is a dedicated member of the New York State Bar Association, showcasing his unwavering commitment to the legal profession and upholding its highest standards.

With a diverse practice, David specializes in various areas of law, including Real Estate, Landlord Tenant Disputes, Personal Injury Cases, Criminal Defense, and Estates and Wills. His comprehensive expertise and dedication to each facet of the law make him a trusted advocate for clients seeking legal representation.

results that matter


When I needed an attorney for my brother's criminal case, I was fortunate to have Mr. Mansour by our side. His expertise and dedication to our case were exceptional, providing us with the legal support we needed.
T. Brown
Handling my family's estate was a daunting task, luckily David made the process smooth and efficient. His knowledge of estate law and his attention to detail ensured that our wishes were honored, and everything was handled properly.
J. Shruggs
Trying to sell our house was a stressful endeavor, but Mr. Mansour's expertise was invaluable. His real estate acumen and commitment to our best interests made the entire process seamless and ultimately profitable.
C. Adams