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William K. Mattar
also known as William Mattar, William Mattar Accident Lawyers
Virtual Consultation Available
About William
Biography
William Mattar is a New York personal injury attorney and the founder of William Mattar Accident Lawyers, a law firm only handling motor vehicle accident injury cases. He founded the firm in 1990 and has more than 35 years of experience representing people injured in car, truck, motorcycle, rideshare, pedestrian, and other motor vehicle accidents.
William Mattar developed an interest in law at a young age through his father, an attorney in Western New York. Seeing firsthand how good legal representation could help people facing difficult circumstances influenced his decision to pursue a legal career focused on helping others.
William Mattar earned his Bachelor of Science degree in psychology from the State University of New York at Plattsburgh in 1986 and his Juris Doctor from Syracuse University College of Law in 1988. He was admitted to practice law in New York in 1989.
Under William Mattar’s leadership, William Mattar Accident Lawyers has represented tens of thousands of people injured in motor vehicle accidents. The firm serves clients throughout New York State, including in Buffalo, Rochester, Syracuse, New York City, Long Island, Albany, and other communities across the state. It is now the largest motor vehicle accident law firm in New York State.
In addition to his legal work, William Mattar has a long history of community involvement. An Eagle Scout, he has remained involved with the Boy Scouts of America and the Greater Niagara Frontier Council for many years, helping support fundraising efforts for programs benefiting thousands of children. He has also held leadership roles in civic, charitable, and community organizations.
Through William Mattar Accident Lawyers, he supports community initiatives including Pencils 4 School, Safe Ride Home 4 the Holidays, the Drive Distracted, Lives Impacted Campaign, Go Pink! Breast Cancer Awareness, Rescue a Shelter Animal, and William Mattar 4 Code Blue.
Hurt in a car? Call William Mattar! 444-4444
Helping people navigate the legal process after a motor vehicle accident has been the focus of my practice for more than 35 years, and it’s a responsibility I take seriously.
Hurt in a Car? Call William Mattar! Let our focus and experience with car accident cases help you!
Hurt in a Car? Call William Mattar! Let our experience with motorcycle accident cases help you!
Hurt in a Car? Call William Mattar! Let our experience with truck accident cases help you!
Practice Areas
3
Practice Areas
Car Accident
34%
Motorcycle Accident
33%
Trucking Accident
33%
Fees and Rates
Licenses
Licensed in Maine for 10 years
State: Maine
Acquired: 2016
No misconduct found
Licensed in Colorado for 11 years
State: Colorado
Acquired: 2015
No misconduct found
Licensed in Minnesota for 11 years
State: Minnesota
Acquired: 2015
No misconduct found
Licensed in Georgia for 11 years
State: Georgia
Acquired: 2015
No misconduct found
Licensed in Kansas for 11 years
State: Kansas
Acquired: 2014
No misconduct found
Licensed in Massachusetts for 12 years
State: Massachusetts
Acquired: 2014
No misconduct found
Licensed in Vermont for 12 years
State: Vermont
Acquired: 2014
No misconduct found
Licensed in Nebraska for 12 years
State: Nebraska
Acquired: 2014
No misconduct found
Licensed in District of Columbia for 12 years
State: District of Columbia
Acquired: 2014
No misconduct found
Licensed in Pennsylvania for 12 years
State: Pennsylvania
Acquired: 2014
No misconduct found
Licensed in New Hampshire for 12 years
State: New Hampshire
Acquired: 2014
No misconduct found
Licensed in Arizona for 12 years
State: Arizona
Acquired: 2014
No misconduct found
Licensed in Wyoming for 12 years
State: Wyoming
Acquired: 2014
No misconduct found
Licensed in Texas for 12 years
State: Texas
Acquired: 2014
No misconduct found
Licensed in Michigan for 12 years
State: Michigan
Acquired: 2014
No misconduct found
Licensed in Oregon for 12 years
State: Oregon
Acquired: 2014
No misconduct found
Licensed in Alaska for 12 years
State: Alaska
Acquired: 2014
No misconduct found
Licensed in New York for 37 years
State: New York
Acquired: 1989
No misconduct found
Location
William Mattar Law Offices
(716) 965-8756
Mobile
6720 Main Street, Suite 100, Williamsville, NY, 14221
williammattar.com/about-us/our-attorneys/william-mattar/William Mattar Law Offices
(716) 965-8756
Mobile
16 West Main Street, Suite 736, Rochester, NY, 14614
williammattar.com/about-us/our-attorneys/william-mattar/William Mattar Law Offices
(716) 965-8756
Mobile
One Park Place, 300 South State Street, Suite 736, Syracuse, NY, 13202
williammattar.com/about-us/our-attorneys/william-mattar/William Mattar Law Offices
(716) 965-8756
Mobile
350 Northern Boulevard, Suite 306, Albany, NY, 12204
williammattar.com/about-us/our-attorneys/william-mattar/William Mattar Law Offices
(716) 965-8756
Mobile
69 Delware Avenue, Suite 111, Buffalo, NY, 14202
williammattar.com/about-us/our-attorneys/william-mattar/William Mattar Law Offices
(716) 965-8756
Mobile
500 North Broadway, Suite 161-C, Jericho, NY, 11753
williammattar.com/about-us/our-attorneys/william-mattar/Gallery
Online Presence
Other places you can find William online.
William K. Mattar's Reviews
Avvo Review Score
397 Client Reviews
Filter Avvo Reviews (397)
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Practice Areas
What Clients Mention
Showing 6 - 10 of 12 reviews | Trustworthiness
Posted by Mark | April 06, 2016 | Hired Attorney
The experience was great
The staff was friendly & courteous and always updated me on my case. The experience was great - if I called and my paralegal was unavailable, either someone else helped me or she called me back right away. They were open & honest as to how to approach the case and I felt that I was involved in every...
William Mattar
Replied last April 06, 2016Thank you.
Posted by Moses | December 01, 2017 | Hired Attorney
Still People You Can Trust
As a soldier trained to handle all of your problems, it was refreshing to have someone else take charge. I had a trust problem from being in combat, but I learned there are some people you can still trust with your back in mind.
William Mattar
Replied last December 01, 2017Firstly, thank you for your service. We were very happy to help you and thank you for trusting us with your case.
Posted by Jo-Louise Baker | June 28, 2021 | Hired Attorney
Everyone should expect their case to last for years...
My case should have been an open and shut case. My son and I were driving through an intersection were we had the right a way. A guy in a van blew through a double stop sign with blinking red light. Totalling our car. Then he left took off. A witness followed him until the cops stopped him. He faced ...
William Mattar
Replied last June 28, 2021We are disappointed to see this review regarding your case, which was recovered a few years ago. As your case was coming to a close, your attorney told you he was leaving the firm to pursue another opportunity. You chose to stay with our firm. We then assigned a very experienced trial attorney to your team. We reviewed the options of where your case stood to guide you to resolution. This was not an example of being outmaneuvered by the defense. Please recall the liability issues and policy limitations that were faced with regards to the driver of the vehicle and the owner of the vehicle, which were unfortunate obstacles in the eyes of the judge. We included you in the negotiations and you actively participated as we explained each step and where things stood. Every case is unique and we work to obtain the best results based on all elements at play. Even though we examine every aspect of the case, including the value of the insured party's policy, permanent injuries and fighting insurance, million dollar verdicts are not the norm. We are sympathetic to the pain you have suffered, and wish you the very best moving forward.
Posted by anonymous | September 02, 2024 | Hired Attorney
Very Disappointed
I’m sadly disappointed with William Mattar Law firm. I was referred by someone to go to William Mattar after my accident, and I’m saddened to say I didn’t get no justice. I have injuries from my accident, I was hit from the back and still no help from my lawyer. It just seemed like my lawyer was on t...
William Mattar
Replied last October 22, 2024We sincerely apologize for any frustrations or misunderstandings you may have experienced. We truly value your feedback and would like the opportunity to address the concerns you've mentioned. Our firm was built first and foremost on helping people, and our attorneys and legal staff take upholding our firm’s values very seriously. You noted that you would like William Mattar to review your case, and we would be happy to arrange that. Please contact our Attorney Manager, David Rusin, at 844-444-4444, so he can review your file with Mr. Mattar. We welcome the chance to discuss your experience and clarify any potential miscommunication. Thank you.
Posted by Sandy | May 01, 2023 | Hired Attorney
They did not win, but charged fees! . Unprofessional. Rude.
So, I hired this law firm, for a simple rear-end collision. After two different lawyers, my case was dropped. I settled the case pro-se. They had the nerve, to send a money lien, for FEES incurred, to the insurance company, and I had to pay them. I've asked for them back. No word from Mr Mattar. They...
William Mattar
Replied last May 30, 2023Your original reference is an issue from 2012. While working with our team, you incurred fees from your own actions to apply for funding. There is no false advertising: we advertise no attorney fee unless you win, and no attorney fee was charged to you. We have documentation of your continued threats, harassment, and refusal to work with our team after we were able to obtain a settlement amount and even had a lien against you removed. We know it can be frustrating to have legal issues, but we must ask that you not take your situation out on our team. We realize your verbal attack is coming from a place of frustration when you did not get what you wanted from us. In need of more legal services, you stated you were 'giving us a chance to redeem ourselves'. Upon our rejecting your new case, you became confrontational and verbally abusive to our team once again. Our Attorney Manager then explained how we were not able to take your new case, but that we do wish you well and hope you can ultimately get your legal issues resolved. Our team is not rude, merely trying to explain something that you do not want to hear. Clearly, when you do not get your way, you keep taking to social media in an attempt to discredit us. Please stop spreading disinformation. We have the facts, and you have your differing recollection and opinion. We need to agree to disagree at this point. Please refrain from further contact with our team.
William K. Mattar's Lawyer Endorsements
"I'm happy to endorse Bill Mattar. We've known each other for many years, and his professional courtesy and diligent advocacy are impressive. His firm also knows how to give back. They’ve done some great things to better the community throughout New York state."
"Bill is a living proof that hard work and commitment will always set you apart."
"William is a dedicated attorney. He and his firm are passionate about the work they do for their clients and their community. He is an attorney I would want on my side, and I would recommend to anyone in need of an injury attorney."
"William is an excellent attorney and his firm cares about the community. I would definitely recommend William Mattar."
"Excellent attorney that cares about his clients. I endorse William."
"I have know William Mattar and have worked closely with him in the personal injury / car accident practice area since 2012. He is extremely diligent, very professional and is an incredible personal injury attorney. If my family needed an injury attorney in the State of New York, I would hire him immediately. Dustin L. DeVaughn"
"William Mattar is an outstanding lawyer who treats his clients with respect. He always puts the needs of his clients first. I endorse this lawyer."
"Mr. Mattar is an outstanding and excellent attorney. I would recommend anyone and everyone to him for his services. I have been practicing for 24 years as a judge, magistrate, law professor, private attorney, and prosecutor, and I learn from his answers on Avvo every day. Simply an exemplary attorney."
"I started my career working for Bill. He knows personal injury cases and gets outstanding results for his clients. I know - I have seen it first hand. I endorse this lawyer."
"I endorse this lawyer."
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"William is a a very effective and talented advocate for his clients. He is part of one of the most respected law firms in the state of NY!"
"Bill is committed and compassionate about providing outstanding customer service to his clients. His firm has a history of getting great results and he won't back down. He proudly represents the injured and will only do what is in his clients' best interests."
"I endorse this lawyer."
"Bill takes his practice and his business seriously. He does excellent work for his clients and always puts their interests first. I would refer any injury clients in his area to him."
"William is a very professional and experienced attorney."
"I endorse this lawyer. Knows how to and does obtain the best possible results for clients. Makes a difference."
Randell Roberts
Personal injury lawyer
Lawrence Levin
Personal injury lawyer
Gerald Oginski
Personal injury lawyer
Michael Sawaya
Car accident lawyer
Robert Wilhite
Personal injury lawyer
Gregory Stokes
Personal injury lawyer
Danny Daniel
Car accident lawyer
Donna Nesselbush
Social Security & Disability lawyer
Mickey Fine
Personal injury lawyer
Paul Hernandez
Personal injury lawyer
Richard James
Personal injury lawyer
Garry Salomon
Personal injury lawyer
James Bewley
Personal injury lawyer
Joseph Hughes
Personal injury lawyer
Geoffrey McDonald
Car accident lawyer
George Fleschner
Personal injury lawyer
Todd Nissenholtz
Personal injury lawyer
Carla Minniefield
Personal injury lawyer
Brent Adams
Personal injury lawyer
Bryan Fears
Personal injury lawyer
Experience
Honors
2018
AV Preeminent Judicial Edition, Martindale-Hubbell®
2018
Client Champion - Platinum, Martindale-Hubbell®
2018
AV Preeminent, Martindale-Hubbell®
2018
Award of Merit, Bar Association of Erie County
2018
Best Companies to Work For in New York State, Best Companies NY
2018
Best Places to Work, Buffalo Business First
2017
VLP Partner Law Firm, Bar Association of Erie County Volunteer Lawyers Project
2017
Client Champion - Platinum, Martindale-Hubbell®
2017
America's Most Honored Professionals - Top 1%, American Registry
2017
5th AV Preeminent 5th Anniversary, Martindale-Hubbell
2017
2017 AV Preeminent Attorney, Martindale-Hubbell
2017
2017 AV Preeminent Attorney - Judicial Edition, Martindale-Hubbell
2017
Best Companies to Work For in New York State, Best Companies NY
2017
Outstanding Eagle Scout Award, Boy Scouts of America
2017
Certificate of Recognition: Raising Awareness of Bullying, Buffalo Common Council
2017
Team of Hope Award, Erie County Legislature
2016
2016 AV Preeminent Attorney - Judicial Edition, Martindale-Hubbell
2016
2016 AV Preeminent Attorney, Martindale-Hubbell
2016
America's Most Honored Professional - Top 1%, American Registry
2016
2016 Client Distinction Award, Martindale-Hubbell
2016
Certificate of Recognition: Making a Difference in the Community, Buffalo Common Council
2015
2015 AV Preeminent Attorney, Martindale-Hubbell
2015
2015 Client Distinction Award, Martindale-Hubbell
2015
Partner of the Year Award, cj Advertising
2014
2014 AV Preeminent Attorney - Judicial Edition, Martindale-Hubbell
2014
2014 Client Distinction Award, Martindale-Hubbell
2014
2014 AV Preeminent Attorney, Martindale-Hubbell
2014
Campaign Chairman Service Award, Erie County Bar Foundation
2013
2013 Client Distinction Award, Martindale-Hubbell
2013
2013 AV Preeminent Attorney, Martindale-Hubbell
2013
Legal Elite of Western New York, Buffalo Business First
2013
2013 AV Preeminent Attorney - Judicial Edition, Martindale-Hubbell
2012
Silver Beaver Award, Boy Scouts of America
2012
2012 AV Preeminent Attorney, Martindale-Hubbell
2012
2012 Peer Review Rated Preeminent Attorney, Martindale-Hubbell
2011
20 Years Serving the Community, LexisNexis Martindale-Hubbell
2011
Innovator of the Year Award, cj Advertising
2011
2011 Peer Review Rated Preeminent Attorney, Martindale-Hubbell
2010
2010 Peer Review Rated CV Attorneys, LexisNexis Martindale-Hubbell
2009
2009 Peer Review Rated CV Attorney, LexisNexis Martindale-Hubbell
2009
2009 Peer Review Rated CV Attorney, LexisNexis Martindale-Hubbell
1997
AV Rated Attorney, LexisNexis Martindale-Hubbell
1982
Eagle Scout, Boy Scouts of America
Work Experience
1995 - Present
President/Lawyer, William Mattar, P.C.
Associations
2011 - Present
Bar Association of Erie County, Unlawful Practice CommitteeMember
2010 - Present
Boy Scouts Fire and Ice Fundraiser Chairman for the Greater Niagara Frontier CouncilChairman
2009 - Present
Young Presidents OrganizationChapter Chair / Member
2000 - Present
Association of Trial Lawyers of AmericaMember
2000 - Present
Village Preservation Foundation of WilliamsvillePresident
Erie County Bar Foundation
Board of Directors
Bar Association of Erie County
Member
Monroe County Bar Association
Member
New York State Bar Association
Member
Committee on Law Practice Management
Member
Sample of Legal Cases
Gordon Vs. Tobe & Tobe
$1,244,000.00
Education
1988
Syracuse University College of Law
JD/MBA - Juris Doctorate and MBA
N/A
State University of New York, College at Plattsburgh
BS - Bachelor of Science
Speaking Engagements
2013
SUNY Buffalo Law School
Car Accidents & Seat Belt Safety
2013
Innovative Technology Entrepreneurial Club
A Career In Law
2002
W.N.Y. Health Care Association
Changes to New York's No-Fault Regulation 68
Publications
N/A
Self
I was in a car accident! What should I do?!?! ...And Other Frequently Asked Questions
Languages
English
Activity
Legal Answers
Legal Guides
Legal Guides
Video Legal Guide
Filling Out the No-Fault Application
01 Jul 2014
Video Legal Guide
What To Do After a Car Accident
01 Jul 2014
Video Legal Guide
What To Do After a Truck Accident
01 Jul 2014