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Jason Lantz is a widely sought after criminal defense lawyer known for his tenacity in the courtroom, numerous not guilty verdicts and dismissals, and his compassion for clients.
While he works on numerous types of litagation matters, his emphasis, is in DUI defense. Jason has also represented clients charged with felonies and other misdemeanors including Assault, Malicious Mischief, Disorderly Conduct, Trespass, Theft, Reckless Driving, Reckless Endangerment, Racing, Negligent Driving in the First Degree, Hit and Run Unattended, Driving While License Suspended (all degrees), Possession of Drugs, Minor in Possession/Consumption, Telephone Harassment, Obstruction of a Law Enforcement Officer, Resisting Arrest, and Possession of a Dangerous Weapon.
Jason is originally from the Midwest and went to high school in a small town near Dodge City, Kansas. He obtained a B.S. in Life Science from Kansas State University in Manhattan, Kansas. A graduate of Seattle University School of Law, and winner of the In-House Moot Court Appellate Competition in 2008, Jason has built a reputation as an excellent lawyer.
Before becoming a lawyer, Jason was the Director of Operations for the American Red Cross of the Flint Hills. Jason has always been a fierce advocate for individuals and families and is experienced in helping people in crisis. Being charged with a criminal offense is a stressful event and Jason takes his job as a “Counselor of Law” seriously.
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Practice Areas
Free Consultation
$0 first 60 minutes
State: Washington
Acquired: 2010
No misconduct found
Fax
720 3rd Avenue, Suite 2015, Seattle, WA, 98104
glblaw.com/Other places you can find Jason online.
Showing 1 - 5 of 62 client reviews from Avvo
Posted by Albert | December 10, 2025 | Hired Attorney
Jason was very helpful with my case and gave me the best possible advice to care for every curveball thrown my way. I would hire Jason again in a heartbeat. Hopefully it won’t come to that.
Posted by anonymous | December 2, 2025 | Hired Attorney
From the first consultation, Jason helped relieve my stress about my pending DUI case and then continued to do so every step of the way. Before contacting him I was extremely worried about what might happen, but quickly started to worry less as Jason gave me clear steps on what to do and when to do t...
Posted by David | July 14, 2025 | Hired Attorney
Due to an unfortunate event, I found myself in need of legal representation for the first time in my life. Not knowing where to start, I embarked on a comprehensive online search for a criminal attorney in my vicinity, specializing in the specific charges of DUI and domestic violence. My research yi...
Posted by Paul | October 30, 2024 | Hired Attorney
Jason was very responsive from the first moment of engagement. Furthermore, he collaborated with me to understand the details and context of my case. Every step of the way, Jason kept me informed so that I was not left wondering in the dark about the status of my case. He was very patient, clear, and...
Posted by anonymous | May 10, 2024 | Hired Attorney
Jason helped a young man who had a minor run in with the law. He and a few friends trespassed on public property and ran away from the police. He guided the young man through an apology to the stewards of the property and a genuine effort to make amends by doing something nice to the government emplo...
"Jason is a leader in the legal community and an excellent mentor. He brings tested skills and knowledge to every courtroom he enters. His clients are lucky to have him in their corner."
"Jason is a creative and determined attorney who is simply unafraid to fight hard for his clients. He has been a driving force in the area of major breath test litigation in Snohomish County and he is exceedingly generous with his time. Jason's work ethic and work product are exceptional and you would be wise to hire him for your criminal defense matter."
"Jason is one of the most dedicated, passionate, and hard-working attorneys in the business. He stops at nothing to obtain the best results for his clients. His knowledge of the law and experience in the courtroom is hard to come by. You would be fortunate to have Jason advocating on your behalf and I highly recommend him."
"Jason is an exceptional attorney. He has had numerous acquittals at trial. He is a zealous advocate for his clients and works tirelessly for justice. I highly recommend Jason."
"As a former prosecutor in the City of Everett I worked with Jason often. He has many cases in our court and was well respected as a tireless advocate for his clients. He examined cases from every angle and got results for his clients. I wholeheartedly endorse Mr. Lantz!"
"Mr. Lantz and I are members of Washington Association of Criminal Defense Lawyers. I have had the pleasure of dealing with Mr. Lantz through this organization and I can recommend him without reservation as an excellent and principled attorney who not only zealously advocates for his clients but who also supports his colleagues in the ultimate pursuit of justice."
"Jason has had several years experience in criminal defense and especially DUI defense. He is a brilliant attorney and really knows how to get results in the courts in King and Snohomish counties. When I see him in court I will frequently bounce ideas and potential arguments off him because I completely trust his opinion and judgment. Jason is a great attorney to have on your side in any situation."
"While working with Jason I had the opportunity to watch him fight for his clients both in and out of the courtroom, and I am thoroughly impressed with the superior level of service he offers his clients. With his vast knowledge of the law and his inherent ability to empathize and understand his clients' needs, Jason consistently produces the best possible result in DUI and criminal defense cases. Jason's clients can be confident they are very well taken care of and that everything possible is being done to ensure their resolution is the best attainable outcome."
"I wholeheartedly endorse Jason not only because he is a good lawyer with a reputation for working hard on behalf of his clients, but also because he is patient and understanding with clients who are learning about the criminal justice system for the first time."
"Jason is an attorney that I have had the pleasure to work closely with for many years. He is highly dedicated to his clients and is one of the hardest working attorneys I know. If you are looking for an attorney that will absolutely go the extra mile, he is the one you want on your side. He has my highest recommendation."
"Jason, from day one I could tell was going to be an amazing lawyer. I'm proud to the be the first one to have worked closely with him before he was even licensed. He is sharp, bright, thoughtful, caring, and hard working. The best compliment I can give him is I would 100% trust him take care of my clients, I know he will treat my clients with exceptional care."
"I endorse this lawyer. I have observed Jason in the courtroom and with clients in private and can attest that he is a thoughtful, smart, and aggressive advocate for his clients."
Criminal defense lawyer
Criminal defense lawyer
Personal injury lawyer
Criminal defense lawyer
Criminal defense lawyer
Criminal defense lawyer
DUI and DWI lawyer
Speeding and traffic ticket lawyer
Criminal defense lawyer
Criminal defense lawyer
Criminal defense lawyer
Criminal defense lawyer
2020
Rising Star, Super Lawyers
2019
Rising Star, Super Lawyers
2018
Rising Star, Super Lawyers
2016
Top 40 Under 40, The National Trial Lawyers
2010
Dean's List, Seattle University School of Law
2008
Moot Court Winning Team, Seattle University School of Law
2011 - Present
Attorney, Sullivan Law Group
2011 - 2011
Attorney, Law Office of Jason Lantz
2002 - 2007
Director, American Red Cross - Flint Hills
2016 - Present
Washington Foundation for Criminal JusticeMember
2016 - Present
Skagit County Bar AssociationMember
2012 - Present
Washington Association of Criminal Defense LawyersMember
2012 - Present
Citizens for Judicial ExcellenceDirector
2010 - Present
Washington State Bar Association, Criminal Law SectionMember
2010 - Present
Washington State Bar AssociationMember
Dismissed
Diversion to Negligent Driving 1st
Reduced to Misdemeanor DUI
Dismissed
Dismissed
Dismissed
Reduced to Negligent Driving 1st
Diversion to Dismissal
Dismissed
Dismissed
Diversion to Dismissal
Diversion to Dismissal
Dismissed
Reduced to Reckless Driving
Dismissed
Dismissed
Not Guilty after Jury Trial
Reduced to Misdemeanor Assault no Jail
Reduced to Reckless Driving
Prosecutor Declined to File Charges
Diversion to Dismissal
Diversion to Dismissal
Dismissed
Dismissed
Dismissed
Not Guilty after Jury Trial
Won DOL and DUI Reduced to Reckless Endangerment - Saved License and Job
Dismissed
Not Guilty after Jury Trial
Not Guilty after Jury Trial
2014
Field Sobriety Test Administration
2010
JD
2002
BS - Bachelor of Science
2016
Appeals
2016
Searches and Seizure Law
2016
Slaying the Draeger Alcotest 9510
2015
Draeger Alcotest 9510
2015
Draeger Alcotest 9510 Practice Pointers
2015
Draeger Alcotest 9510 - Undertanding Washington's new Breath Test Machine
2015
Moot Court Judge
2015
Draeger Alcotest 9510
2017
English
Legal Answers
Getting a no contact order dropped in WA.
25 Feb 2012
WA State - DUI Deferred Prosecution / DOL Consequences
22 Feb 2012