About Thomas
Biography
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.
Practice Areas
3
Practice Areas
28 years | 750 cases
28 years | 25 cases
28 years | 35 cases
Fees and Rates
Cost
Sometimes
Payment Methods
- Cash
- Check
- Credit Card
Licenses
Licensed in California for 28 years
State: California
Acquired: 1998
No misconduct found
Location
Online Presence
Other places you can find Thomas online.
Thomas Michael Maas's Reviews
Avvo Review Score
17 Client Reviews
Showing 1 - 3 of 3 reviews | Character & Conduct
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 Chris R. | August 29, 2014 | Criminal Defense
Best Decision Ever!!
I had retained Mr. Maas for a felony case I was facing. He sat, listened to my story without prejudice, and viewed my case the exact same way I viewed it. He was able to get the case dismissed during the pre trial hearing. Mr. Maas is well respected by his piers and he is known for being smart, st...
Thomas Michael Maas's Lawyer Endorsements
"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.""
"I endorse this lawyer. Mr. Maas is a zealous, effective, diligent, and compassionate advocate."
"I endorse this lawyer."
"I endorse this lawyer."
"I endorse this lawyer."
Criminal defense lawyer
Criminal defense lawyer
Criminal defense lawyer
Experience
Honors
2015
Peer Review Rated, Martindale-Hubbell
2010
Rising Star, Super Lawyers
2009
Rising Star, SuperLawyers
Work Experience
1998 - 2007
Public Defender, Solano County Conflict Defender
1998 - 1998
Associate General Counsel, Law Offices of Louis Katz
Associations
Member
Attorney
2005 - 2008
California Attorneys for Criminal JusticeBoard of Directors
Education
1997
JD - Juris Doctor
1993
BA - Bachelor of Arts
Speaking Engagements
2007
Felony Sentencing
2006
Three Strikes Law
Languages
English
Activity
Legal Answers