About William K Mattar

William Mattar is the founder of William Mattar, New York State’s largest motor vehicle accident law firm. Inspired at a young age by his father, a lawyer in Western New York, William Mattar grew up watching firsthand how legal advocacy could help people through difficult times. That early exposure shaped his decision to pursue a career in law with a focus on helping others. William Mattar earned a Bachelor of Science degree in psychology from the State University of New York at Plattsburgh in 1986 and received his Juris Doctor from Syracuse University College of Law in 1988. After gaining experience at another law firm, he founded William Mattar in 1990 in Williamsville, New York.While the firm initially handled a variety of legal matters, William Mattar now focuses exclusively on motor vehicle accident injury cases, including car, truck, motorcycle, and rideshare accidents. With more than 35 years of experience, he has helped build a firm that has represented tens of thousands of people injured in motor vehicle accidents across New York State. Today, the firm serves clients statewide with offices in Buffalo, Rochester, Syracuse, and Albany.In addition to his legal practice, William Mattar is deeply committed to community service. He is an Eagle Scout and has long been involved with the Boy Scouts of America, Greater Niagara Frontier Council. Since 2002, he has served as chairman of the organization’s annual dinner, helping raise funds that support programs benefiting more than 10,000 children. He is also active in his church and has held leadership roles in numerous civic and charitable organizations.Outside of work, William Mattar enjoys spending time with his wife and children, cooking, hiking, and volunteering with the Boy Scouts of America alongside his sons, who have also earned the rank of Eagle Scout.

 

Awards

Reviews for William

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Overall Rating
Showing 1-10 of 37 client reviews from Lawyers.com
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5 stars
68%
4 stars
14%
3 stars
14%
2 stars
0%
1 star
5%
What do people say on Lawyers.com?
Communication
4.4
Quality of Service
4.6
Responsiveness
4.5
Value for Money
4.5
Personal Injury
Posted by anonymous
June 08, 2012
Hired Attorney

I called William Mattar because as the commercial goes “Hurt in a car, call William Mattar!” Mr. Mattar and the entire office was very understanding to my situation and went above and beyond to answer my questions. They made a very stressful time a little bit easier and made sure I had a positive outcome. I would recommend anyone to William Mattar!

 
Personal Injury
Posted by anonymous
June 04, 2012
Hired Attorney

I was involved in a three (3) car accident. I fractured my hand and had to get seven (7) screws in it. I chose William Mattar because the phone number was easy to remember! I am very pleased with my settlement and how quickly it was settled. Anytime I had a question there was always someone to answer and I didn’t have to wait for a response. Everyone was very nice and always professional. I would refer William Mattar Law Offices to anyone!

 
Personal Injury
Posted by anonymous
May 24, 2012
Hired Attorney

You were amazing. All my questions were answered and my case was settled in a timely manner. I am thrilled with the outcome of my case.

Personal Injury
Posted by anonymous
May 18, 2012
Hired Attorney

Let him work on your automobile accident.

Personal Injury
Posted by anonymous
April 24, 2011
Hired Attorney

They have worked with me very well on a one on one basis; keeps me updated.

Trusts and Estates
Posted by anonymous
March 22, 2011
Hired Attorney

William was very professional, covered all bases, and charged a reasonable amount of currency for his services.

Health Care
Posted by anonymous
February 01, 2012
Hired Attorney

The services the company provides are very dependable.

Personal Injury
Posted by anonymous
December 08, 2010
Hired Attorney

provided me with fast service and answered all my questions on legal issues would recommend this firm

Personal Injury
Posted by anonymous
November 09, 2012
Hired Attorney

I was the passenger in the vehicle when our driver fell asleep at the wheel and swerved off the road. I was taken by Mercy Flight to Strong Memorial hospital. After my treatment, I heard about William Mattar and asked people I trusted for their opinion on his firm. He was highly recommended, so I chose him as my lawyer. I feel that the case was handled in a timely manner, and I would come back to William Mattar again.

 
Personal Injury
Posted by Donna
October 28, 2024
Hired Attorney

Between hardly any communication (except for by me), a very lengthy case with no direction, and minimal settlement, with damaging injuries. The only thing I can determine is that there was too much fear to prosecute the largest commercial landowner in the Buffalo area. He got a free pass from the little guy by way of WM, while the business I owned struggled without me there. I would never trust him again, for the 2 minutes I saw him. No thanks.

 

Services

Areas of Law

  • Other 10
    • Automobile Accident Injuries
    • Motor Vehicle Accident Injuries
    • Motorcycle Accident Injures
    • Rideshare Accident Injuries
    • Truck Accident Injuries
    • Car Bicycle Accident Injuries
    • Car Crash Injuries
    • Car Pedestrian Accident Injuries
    • Commercial Truck Accident Injuries
    • School Bus Accident Injuries

Experience

  • Bar Admission & Memberships
    Admissions
    Michigan
    Arizona
    Colorado
    Georgia
    Kansas
    Maine
    Massachusetts
    Alaska
    Nebraska
    New Hampshire
    1989, New York
    Oregon
    Pennsylvania
    Texas
    Wyoming
    Vermont
    District of Columbia
    2015, Minnesota
    Memberships
    Erie County and Monroe County Bar Associations.
  • Education & Certifications
    Law School
    Syracuse University College of Law
    Class of 1988
    J.D.
    Other Education
    State University of New York at Plattsburgh
    Class of 1986
    B.S.
    Psychology

Contact William K Mattar

Owner and President at William Mattar Accident Lawyers
4.8
449 reviews

6720 Main Street, Suite 100Williamsville, NY 14221U.S.A.

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The Powers Building, 16 W Main St #736Rochester, NY 14614U.S.A.

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One Park Place, 300 S. State St., Suite 130Syracuse, NY 13204U.S.A.

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69 Delaware Avenue, Suite 1111Buffalo, NY 14202U.S.A.

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350 Northern Boulevard, Suite 306Albany, NY 12204U.S.A.

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Open 24 Hours Every Day
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Other Office Locations

Rochester, NY

The Powers Building, 16 W Main St #736Rochester, NY 14614U.S.A.

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Syracuse, NY

One Park Place, 300 S. State St., Suite 130Syracuse, NY 13204U.S.A.

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Buffalo, NY

69 Delaware Avenue, Suite 1111Buffalo, NY 14202U.S.A.

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Albany, NY

350 Northern Boulevard, Suite 306Albany, NY 12204U.S.A.

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Attorneys FAQs

  • What year was this attorney first admitted to the bar?
    William K Mattar was admitted in 1989 to the State of New York.
  • Is this attorney admitted to the bar in more than one state?
    Yes, William K Mattar is admitted to practice in Alaska, Arizona, Colorado, District of Columbia, Georgia, Kansas, Maine, Massachusetts, Michigan, Minnesota, Nebraska, New Hampshire, New York, Oregon, Pennsylvania, Texas, Vermont and Wyoming.
  • How many attorneys are in this law firm?
    William Mattar Accident Lawyers has 24 attorneys at this location.
  • What law school did this attorney attend?
    William K Mattar attended Syracuse University College of Law.
  • What year was this attorney's law firm established?
    William Mattar Accident Lawyers was established in 1990.