William Mattar

William Mattar is the Owner and President of a New York-based motor vehicle accident law firm. He founded the firm in 1990 and has built it into one of the largest in the state. His work focuses on helping individuals injured in car and other vehicle accidents.

William earned a B.S. in psychology from the State University of New York at Plattsburgh in 1986. He then received his J.D. from Syracuse University College of Law in 1988, forming a strong academic foundation for his legal career.

William focuses exclusively on motor vehicle accident cases, including car, truck, motorcycle, and rideshare accidents. With more than 35 years of experience, he has helped represent tens of thousands of injured clients across New York, guiding them through the legal process.

William built a firm that serves clients statewide, with offices in Buffalo, Rochester, Syracuse, and Albany. His leadership has shaped a practice centered on client support, clear communication, and strong advocacy for those facing serious injuries and financial challenges.

William is active in his community and has long supported the Boy Scouts of America. He has served as chairman of an annual fundraising dinner since 2002 and has held leadership roles in several civic and charitable organizations.

William Mattar is admitted in New York and multiple other jurisdictions. He has received many honors recognizing his leadership and service. He remains committed to helping injured individuals pursue recovery while continuing his involvement in community and charitable efforts.

Law Office Affiliations

• Owner, William Mattar, P.C.
• Member, New York State Bar Association
• Member, Bar Association of Erie County
• Member, Monroe County Bar Association
• President, Williamsville Preservation Foundation
• Former President, Williamsville Business & Professional Association
• Former Board Member, Erie County Bar Foundation
• Member, New York State Trial Lawyers Association

Licensed State

• New York State
• Alaska
• Arizona
• Colorado
• District of Columbia
• Georgia
• Kansas
• Maine
• Massachusetts
• Michigan
• Nebraska
• New Hampshire
• Oregon
• Pennsylvania
• Texas
• Vermont
• Wyoming

Education

• Syracuse University College of Law
  Juris Doctor (JD)
• State University of New York at Plattsburgh
  Bachelor of Science (BS)

Awards & Badges