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Justin L. Mason
About Justin
Biography
With millions of dollars won in compensation for his clients and nearly a decade of distinguished service, Attorney Justin L. Mason has earned a reputation as a loyal advocate when you need a St. Louis personal injury lawyer on your side. As the founder of The Law Offices of Justin L. Mason, LLC, he has handled cases involving some of the nation’s largest insurance companies while advocating for injury victims. His practice allows him to make positive change in the lives of those who were underserved by the companies they thought they could trust. If you were in a car, truck, or motorcycle accident, call The Law Offices of Justin L. Mason, LLC for a free consultation about how to proceed with your case.
Practice Areas
4
Practice Areas
Fees and Rates
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Chat withLicenses
Licensed in Missouri for 15 years
State: Missouri
Acquired: 2010
Licensed in Illinois for 13 years
State: Illinois
Acquired: 2012
Lawyer disciplined by state licensing authority in 2025
Location
The Law Offices of Justin L. Mason, LLC
1917 Rutger Ave., Saint Louis, MO, 63104
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Justin L. Mason's Reviews
Avvo Review Score
6 Client Reviews
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Showing 1 - 1 of 1 review | General Knowledge
Posted by Tony | July 04, 2016 | Hired Attorney | Personal Injury
Superb
I was involved in a rear end accident and Justin setup the treatment with a very good chiropractor. I was informed of the steps of the process necessary to settle my case. I had an excellent experience with Justin.
Justin L. Mason's Lawyer Endorsements
"if I ever need help with a case or have a question, Justin is there to help. His door is always open and he is knowledgeable about many areas of law, including personal injury and criminal defense. Good guy to have around!"
"I endorse this lawyer."
"Justin is a highly talented and energetic attorney. He is on my short list of lawyers to whom I refer clients."
"I endorse this lawyer. Justin is an excellent attorney and knows his way around a court room. I would highly recommend him."
"Justin in motivated, intelligent, and a strong advocate for his clients. I endorse this lawyer."
"Justin works hard for his clients. He does everything possible to acheive the best results."
"I endorse this lawyer."
"I endorse this lawyer."
John Meehan
Personal injury lawyer
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Geoffrey Meyerkord
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Experience
Professional misconduct
This lawyer was disciplined by a state licensing authority in 2025.
Disbarment issued in IL, 2025
updated on 12/16/2025This is the most serious penalty for a lawyer. If this attorney is currently practicing law, you should contact the Illinois State Bar to understand the reasons for this disbarment.
Work Experience
2012 - Present
Managing Partner, Law Offices of Justin L. Mason, LLC
2010 - 2011
Associate, Brown & James, PC
Associations
2012 - Present
Bar Association of Metropolitan St. Louis
2012 - Present
Missouri Association of Trial Attorneys
2012 - Present
Missouri State BarMember
2012 - Present
Illinois State Bar AssociationMember
2012 - 2013
Leadership Academy-Missouri BarMember
Sample of Legal Cases
State v. Galaske
Not Guilty
Education
2010
Saint Louis University School of Law
N/A
Saint Louis University
BS - Bachelor of Science
Languages
English
Activity
Legal Answers
Legal Answers
Q&A
How long does it take a lawyer to reduce medical bills if medicaid already paid them
30 Aug 2013