Thomas Maas has emerged as a formidable figure in the criminal defense realm, with a career marked by dedication and a quest for justice. His legal passion was kindled early by his father, William Maas, a distinguished defense attorney. Thomas passed the Bar Exam in 1997, starting his career as a Solano County Public Defender, contrasting plea deal norms by triumphantly taking cases to trial.
In 2007, Thomas founded Maas Law Offices, a family-focused practice through which he offered personalized legal services. The 2019 merger with Daniel Russo to create Maas & Russo underscored his growth and commitment. Throughout his career, Thomas has successfully prevented life sentences for many clients, showcasing his legal ingenuity in handling serious charges through strategic trial victories and adept negotiations.
Thomas's diverse practice areas encompass homicide defense and sexual assault, fields susceptible to false claims and prosecutorial excesses. His work in these sensitive areas demonstrates a deep understanding of legal strategy and client advocacy. Thomas values integrity and strong client relationships, grounding his practice in trust and empathy. His career epitomizes a relentless dedication to justice and client-focused representation.
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Practice Areas
28 years | 750 cases
28 years | 25 cases
28 years | 35 cases
Sometimes
State: California
Acquired: 1998
No misconduct found
Other places you can find Thomas online.
17 Client Reviews
Showing 1 - 5 of 6 reviews | Professionalism
Posted by Ben | September 16, 2025
Highly recommend!
“I had an excellent experience working with Maas and Russo. From the very beginning, they were professional, responsive, and communicative. They always took the time to explain the process clearly and made sure I understood all of my options. What impressed me most was how dedicated they were — they ...
Posted by Ricardo | January 31, 2017 | Hired Attorney | Criminal Defense
I highly recommend Mr, Maas
Mr. Maas is the best defense attorney in Solano County, He is fair, compassionate, and very smart. I was facing some serious time on some false accusations, I could possibly had spent the rest of my life behind bars but thankfully I hired Mr. Maas and because of his outstanding job I am freed today.
Posted by Deryl | April 18, 2016 | Hired Attorney | DUI & DWI
DUI Charges
I hired "Maas Law Offices" to handle my DUI case. Mr. Maas reviewed all reports issued by the police. With his advanced knowledge and understanding of the Calif. Vehicle Code, he requested a DMV hearing. At DMV hearing he proved to them that, my stop and detention were outside the legal parameter s...
Posted by Jeff | February 25, 2016 | Hired Attorney | DUI & DWI
Dedicated, Expert, Compassionate Counsel
I recently hired Thomas Maas to handle a challenging situation that involved two DUIs and a felony child abuse charge. He consistently provided knowledgeable, expert counsel, and was supportive without being unrealistic about the options. Sitting in the courtroom, listening to the attorneys for other...
Posted by Bob Wilson | April 13, 2015 | Criminal Defense
thankfully free
I retrained Mr. Maas for a felony charge that was a difficult case to defend. Mr. Maas represented me in a professional intelligent manner that afforded me to plead no contest. He managed to negotiate a deal that allowed me probation and no jail time. I found Mr. Maas & his associates to be extremel...
"Thomas Maas is a recognized expert in Criminal Defense. His knowledge of the law and skill in the courtroom are second to none. As one former client aptly put it, "he's the 800-pound gorilla in the room.""
Criminal defense lawyer
Criminal defense lawyer
Criminal defense lawyer
2015
Peer Review Rated, Martindale-Hubbell
2010
Rising Star, Super Lawyers
2009
Rising Star, SuperLawyers
1998 - 2007
Public Defender, Solano County Conflict Defender
1998 - 1998
Associate General Counsel, Law Offices of Louis Katz
Member
Attorney
2005 - 2008
California Attorneys for Criminal JusticeBoard of Directors
1997
JD - Juris Doctor
1993
BA - Bachelor of Arts
2007
Felony Sentencing
2006
Three Strikes Law
English
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