Damon Ryan Petrehn

PRO

Damon Ryan Petrehn

5.0
239 reviews
This is an aggregated review score of Avvo and Lawyers.com reviews.
Rating: 9.5

Licensed for 13 years

Speeding and traffic ticket Lawyer at Phoenix, AZ
Practice Areas: Speeding & Traffic Ticket, Criminal Defense, DUI & DWI, Domestic Violence

20860 N Tatum Blvd., Ste. 300, Phoenix, AZ

Virtual Consultation Available

Free Consultation

About Damon

Biography

Traffic Tickets / DUI / Criminal Charges - Attorney Damon Petrehn and Liberty Law are here to help.

Have you been charged with a crime? Get help now by calling Attorney Damon Petrehn today!

Did the police draw your blood? Act fast to avoid problems - Call Attorney Damon Petrehn now!

Argument at home and police called? Protect your interests now by calling Attorney Damon Petrehn!

Avoid Points on your record - Call Damon Petrehn today!

Practice Areas

4

Practice Areas

Speeding and Traffic Ticket 40%

14 years

40%
Criminal Defense 30%

14 years

30%
DUI and DWI 20%

14 years

20%
Domestic Violence 10%

10%

Fees and Rates

Cost

Free Consultation

$0 first 30 minutes


Payment Methods

  • Cash
  • Check
  • Credit Card

Awards

Client's Choice
Client's Choice
2026 2025 2024
...
+ 7
Platinum Client Champion

Licenses

Licensed in Arizona for 13 years

State: Arizona

Acquired: 2012

Active

No misconduct found

Location

Liberty Law, PLLC

20860 N Tatum Blvd., Ste. 300, Phoenix, AZ, 85050

libertylawaz.com

Damon Ryan Petrehn's Reviews

Showing 1 - 5 of 216 reviews | 5 stars

Posted by anonymous | August 26, 2026 | Hired Attorney

Knowledge is Power - Thank you Letter to Damon Ryan Petrehn.

Damon was so great from beginning, middle, to the end of the whole process. He's extremely knowledgeable, understanding of the truth. Taking the time to fully detail and explain everything, I felt so comfortable, trusting and reassured. No hidden secrets, no hidden fee's. Damon say's what he means a...nd means what he say's. I am so pleased with the ease, transparency and guidance I received along the way. I have learned valuable lessons from his insightful wisdom and I have tears of gratitude to carry these objective perspectives around human behavior and wisdom of our judicial system with me for the rest of my life. He has reframed my perceptions and perspectives for the rest of my life. Before meeting Damon I was disempowered, now I am empowered and knowledgeable.

Damon Petrehn

Replied last August 26, 2026

Thank you for your kind words and great feedback. I really appreciate it. Please feel free to contact me at any time. Sincerely, Damon Petrehn, Attorney, Liberty Law, PLLC.

Posted by Moshe | August 26, 2026 | Hired Attorney

Couldn’t Have Asked for a Better Lawyer

I can’t recommend Damon highly enough. I am an immigrant from outside the US, and while visiting Arizona, I unfortunately found myself in a situation with the police that was much more serious than I ever expected. Since I had only been to Arizona once and was completely unfamiliar with the local s...ystem, I was especially concerned when I realized that the situation could potentially have resulted in a criminal record. After speaking with several lawyers, I decided to hire Damon. He offered very fair pricing along with a professional, knowledgeable, and genuinely friendly approach, and it turned out to be one of the smartest decisions I could have made. Over the several months that my case was handled through the court, Damon was exceptional. He kept me updated throughout the entire process, explained everything clearly, was incredibly knowledgeable, and was always available whenever I had questions or concerns. He made an extremely stressful situation feel much more manageable, and I always felt that my case was in very capable hands. I’m incredibly grateful for his help and dedication, and I would recommend Damon without hesitation to anyone who finds themselves in a similar situation. If you’re unlucky enough to get a speeding ticket while visiting Arizona, you’ll be very lucky to have Damon representing you!

Damon Petrehn

Replied last August 26, 2026

Thank you, Moshe, for the recommendation and 5-Star review. It was a pleasure working with you. Please feel free to contact me at any time. Sincerely, Damon Petrehn, Attorney, Liberty Law, PLLC.

Posted by Debbie | August 20, 2026 | Hired Attorney

5 Stars — Cannot Recommend Damon Ryan Petrehn Highly Enough

Damon Ryan Petrehn did an absolutely amazing job representing our 16-year-old son on a street racing charge. From the beginning, Damon was knowledgeable, communicative, straightforward, and incredibly persistent. The prosecutor initially would not budge, despite the circumstances of the case and t...he available video evidence. Damon refused to simply accept that answer. He was a **bulldog in the best possible way**, continuing to escalate the case through supervisors until he finally reached someone willing to listen, review the evidence, and consider the individual circumstances rather than treating our son’s case with a blanket approach. What we appreciated most was that Damon **never overpromised or gave us false hope**. He was very straightforward about the seriousness of the charge, the challenges we were facing, and the possible outcomes. At the same time, he never stopped advocating for our son or looking for a way to get the case reviewed on its individual facts. His persistence ultimately resulted in a **dismissal with prejudice**, conditioned on our son completing probationary and educational requirements. This gave our son an opportunity to learn from the situation and be held accountable without a punishment that could have negatively affected his future for many years. Throughout the entire process, Damon kept us informed and took the time to educate us about a legal system we knew very little about. He explained things clearly, answered our questions, and was always respectful and approachable. We never felt talked down to or dismissed. As parents, we could not have asked for a stronger advocate for our son. Damon was honest with us when the news wasn't what we wanted to hear, persistent when others said no, and committed to getting a fair outcome based on the actual circumstances of the case. We are incredibly grateful for everything Damon did for our son and our family. **If you are looking for a traffic attorney who will be honest with you, communicate with you, and truly fight for his client, we cannot recommend Damon Ryan Petrehn highly enough.**

Damon Petrehn

Replied last August 26, 2026

Thank you, Debbie, for the great feedback and recommendation. I really appreciate you letting others know about your experience with Liberty Law. We had a well-deserved WIN, and I can't thank you enough for working with me! Please feel free to contact me at any time. Sincerely, Damon Petrehn, Attorney, Liberty Law, PLLC.

Posted by Dave | July 08, 2026 | Hired Attorney

Ticket dismissed

I hired Damon for a ticket I received in my semi truck. The ticket was for unsafe lane change. Damon got the ticket dismissed! Thank you very much. I highly recommend his services.

Damon Petrehn

Replied last July 09, 2026

Thank you so much for the recommendation and feedback. Please feel free to contact me at any time. Sincerely, Damon Petrehn, Attorney, Liberty Law, PLLC.

Posted by Roberto D | July 01, 2026 | Hired Attorney

Best Attorney in Arizona

Damon Ryan Petrehn is a highly recommend attorney. He was professional, attentive, and took the time to answer all of our questions throughout my criminal case. He made the process much less stressful by keeping me informed and treating me with respect every step of the way. His fees were very reas...onable, especially considering the level of service he provided. Although the case was ultimately dismissed, we truly appreciated having an attorney we could trust to guide us through the process. If you're looking for someone who is knowledgeable, responsive, and genuinely cares about his clients, I would not hesitate to recommend him.

Damon Petrehn

Replied last July 02, 2026

Thank you! I appreciate the great feedback and recommendation. It was a pleasure working with you. Please feel free to contact me at any time. Sincerely, Damon Petrehn, Attorney, Liberty Law, PLLC.

See All Client Reviews

Damon Ryan Petrehn's Lawyer Endorsements

Endorse Damon
Michelle L. Bell headshot
Michelle Bell

Criminal defense lawyer | Dec 02

Relationship: Worked together on matter

"Damon and I share a client and after consulting with him on our matters it was clear Damon takes the additional time to do the research and fight every issue he can."

Armando Nava headshot
Armando Nava

Criminal defense lawyer | Sep 04

Relationship: Fellow lawyer in community

"Damon is a fantastic attorney, and I trust him immensely. He handles matters deftly and efficiently with skill and expertise."

Errol H. Shifman headshot
Errol Shifman

Criminal defense lawyer | May 20

Relationship: Co-worker

"In addition to criminal defense, you cant get a more savvy traffic court attorney. I worked with Damon and NO ONE will work harder for you than he will. He knows the courts inside out and backwards and has what it takes to get you a successful result."

Alden H Yako headshot
Alden Yako

Criminal defense lawyer | Apr 22

Relationship: Fellow lawyer in community

"Damon Petrehn is an amazing lawyer. He has a lot of experience and truly cares about his clients. I’ve known him for years and have learned a lot from him. I can guarantee that he’ll do his best because of I’ve seen the amount of work and effort he puts in. He’ll fight for his clients until the last second. Not only knowledgeable, he’s a genuine person. He’ll treat your case as if it was his. He’s tenacious in representation, personable with clients, and respected among his peers. I don’t endorse many attorneys but Damon is truly a professional."

Kristopher Ryan Califano headshot
Kristopher Califano

Speeding and traffic ticket lawyer | Dec 13

Relationship: Worked together on matter

"Damon and I regularly see each other in Court. I know he is a diligent, caring lawyer who thoroughly knows Arizona traffic and DUI matters."

Josephine P Hallam headshot
Josephine Hallam

DUI and DWI lawyer | May 03

Relationship: Fellow lawyer in community

"Mr. Petrehn is a trusted and well respected attorney in DUIs and traffic criminal cases. He is kind, thorough, and will aggressively defend you. I fully endorse this lawyer."

Jushin Singh Gill headshot
Jushin Gill

Speeding and traffic ticket lawyer | Mar 30

Relationship: Worked together on matter

"I have worked with Damon and know him for quite some time. He is a hard-working and very committed attorney. He works his cases thoroughly and does whatever he can to reach the best resolution possible."

Christopher Lon Daughtry headshot
Christopher Daughtry

Criminal defense lawyer | Nov 15

Relationship: Friend

"I have known Damon for many years, and he is a man of integrity, intelligence, and professionalism. His clients can be assured that he will do his best for them. Opposing counsel can be assured that they are dealing with a competent, honest professional."

William John Parven headshot
William Parven

Unknown lawyer | Jul 31

Relationship: Worked together on matter

"Mr. Petrehn is a knowledgeable and caring attorney. I have both referred cases to Mr. Petrehn, and worked together on others. I will gladly continue to do so because Mr. Petrehn adamantly fights for his clients' rights and is very personable."

View All Endorsements
Benjamin C Green headshot
Benjamin Green

Criminal defense lawyer

Michelle L. Bell headshot
Michelle Bell

DUI and DWI lawyer

Armando Nava headshot
Armando Nava

Criminal defense lawyer

Claudia Zubeida Horan headshot
Claudia Horan

Criminal defense lawyer

Errol H. Shifman headshot
Errol Shifman

Criminal defense lawyer

Jayme L. Lehman headshot
Jayme Lehman

Criminal defense lawyer

Alden H Yako headshot
Alden Yako

Speeding and traffic ticket lawyer

Kristopher Ryan Califano headshot
Kristopher Califano

Criminal defense lawyer

John A Phebus headshot
John Phebus

Criminal defense lawyer

Josephine P Hallam headshot
Josephine Hallam

Criminal defense lawyer

Jushin Singh Gill headshot
Jushin Gill

Criminal defense lawyer

William John Parven headshot
William Parven

Criminal defense lawyer

Karolina Joanna Czaplinska headshot
Karolina Czaplinska

Criminal defense lawyer

Experience

Rating:  9.5 (Superb)

Honors

2022

Client Rating, Martindale-Hubbell

2020

Best Lawyer, Expertise

2020

Premier DUI Attorney, American Association of Premier DUI Attorneys

2018

Premier DUI Attorney, American Association of Attorneys

2011

Willard H. Pedrick Scholar for Academic Excellence, Arizona State University Sandra Day O'Connor College of Law

2010

Willard H. Pedrick Scholar for Academic Excellence, Arizona State University Sandra Day O'Connor College of Law

Work Experience

2017 - Present

Attorney/Owner, Liberty Law, PLLC

2015 - 2016

Attorney, Pinnacle Law, PLLC

2014 - 2015

Attorney, Corso & Rhude

2012 - 2013

Attorney, Brown & Little, PLC

2010 - 2011

Student Attorney, Maricopa County Public Defender

Associations

2022 - Present

Arizona Attorneys for Criminal Justice

Member

2018 - Present

American Association of Premier DUI Attorneys

Member

2017 - Present

State Bar of Arizona, Criminal Justice Section

2012 - Present

State Bar of Arizona

Sample of Legal Cases

Criminal Speed

Complete dismissal with driving class

Driving on a Suspended License

Complete Dismissal

Criminal Speed

Reduced to a Civil infraction

Photo Radar Ticket

Complete Dismissal

DUI

Reduced to Reckless Driving

Extreme DUI

Reduced to Impaired to the Slightest Degree

See More Legal Cases

Education

2011

Arizona State University Sandra Day O'Connor College of Law

JD - Juris Doctor

N/A

Old Dominion University

BS - Bachelor of Science

Speaking Engagements

2022

Arizona Attorneys for Criminal Justice

33rd annual of the Aggressive Defense Accused Impaired Drivers Seminar- Seminar Attended/CLE

2020

Insurance Law Institute

2020 Insurance Law Institute 2 day Seminar- CLE Attended

2020

State Bar of Arizona

DUI Law Update- CLE Attended

Languages

English

Activity

Avvo Rating

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Avvo Rating Levels
10.0 - 9.0 Superb8.9 - 8.0 Excellent7.9 - 7.0 Very Good6.9 - 6.0 Good5.9 - 5.0 Average4.9 - 4.0 Concern3.9 - 3.0 Caution2.9 - 2.0 Strong Caution1.9 - 1.0 Extreme Caution