Mark Andrew Gallagher

Mark Andrew Gallagher

also known as Mark A. Gallagher

4.6
Rating: 9.3

Licensed for 25 years

DUI and DWI Lawyer at Fullerton, CA
Practice Areas: DUI & DWI, Criminal Defense, Speeding & Traffic Ticket

1400 North Harbor Blvd, Suite 515, Fullerton, CA

About Mark

Biography

Practice Areas

3

Practice Areas

DUI and DWI 50%

Mark A. Gallagher will accept DUI cases in Los Angeles, Orange San Bernardino, Riverside, Ventura, Kern, and San Diego Counties. He handles all aspects of the DUI case including the DMV hearing to help you stay out of jail and protect your license.

27 years

50%
Criminal Defense 25%

I have been practicing criminal defense for over 18 years. We can often avoid jail even in the most serious cases by placing people in programs and alternative sentencing arrangements.

27 years

25%
Speeding and Traffic Ticket 25%

Traffic Tickets in California can lead to thousands of dollars in fines, increased insurance premiums, suspension or revocation of your license, and even jail time. Fighting your tickets with a lawyer can be a wise investment.

27 years

25%

Fees and Rates

Cost

Free Consultation

$0 first 60 minutes


Payment Methods

  • Cash
  • Check
  • Credit Card

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Licenses

Licensed in California for 25 years

State: California

Acquired: 2000

Active

No misconduct found

Location

Law Offices of Mark A. Gallagher

1400 North Harbor Blvd, Suite 515, Fullerton, CA, 92835

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Mark Andrew Gallagher's Reviews

Avvo Review Score

4.6 /5.0

45 Client Reviews

Showing 1 - 5 of 45 reviews

Posted by anonymous | July 07, 2025 | Hired Attorney | Criminal Defense

Truly the Best – Mark Gallagher Went Above and Beyond

I don't usually write reviews, but I had to take the time to share how incredible Mark Gallagher was as my attorney. From the very beginning, he made me feel like I was in good hands -- calm, confident, and completely on top of every detail. He explained everything clearly, never made me feel judged,... and was always responsive whenever I had questions or concerns. This whole situation was one of the most stressful things I've ever gone through. I was constantly anxious, overwhelmed, and unsure of what would happen -- but Mark's guidance gave me a real sense of peace. Just knowing he was handling things made everything feel manageable. Thanks to Mark, everything was on track for dismissal. But then something happened that really showed me the kind of person Mark is: there was one last step -- a $100 fee -- and instead of delaying the case for 30 more days like the judge offered, Mark just paid the fee himself, brought the receipt to the judge, and got the case dismissed and sealed that VERY SAME DAY. Because of him, no guilty plea was ever entered, and this incident will never appear on a background check or need to be disclosed anywhere. That kind of outcome is rare -- and it's because Mark truly cares and takes action when it counts. If you're going through something stressful and need someone who is not just knowledgeable but genuinely in your corner, Mark is that person. He's not just a great lawyer -- he's a good human being who takes pride in helping people move forward. I'm beyond grateful for what he did for me, and I'd recommend him to anyone without hesitation.

Posted by Brian | January 30, 2025 | Hired Attorney | Lawsuits & Disputes

Mark Gallagher is an exceptional lawyer

I cannot overstate how helpful Mark and his staff were for my case. His ability to listen and sympathize with my concerns gave me a lot of relief in a very challenging time in my life. His knowledge of the law and his ability to work within the system got my case dismissed. I was overjoyed with the... outcome which, frankly, I did not expect. Also, his fee was much less than other law firms that I had contacted. Mr. Gallagher is truly a man of the people and a hero working for our community.

Posted by Erlinda | March 18, 2024 | Hired Attorney

Mark Andrew Gallagher

Mark Gallagher is a caring, experienced knowledgeable attorney. Mr. Gallagher walked me through the process step by step with meticulous detail. When I had a concern about a small issue he responded in a positive professional manner. His staff was professional and helpful especially Juan; who ma...de the process a lot smoother than I expected. I highly recommend Mr. Gallagher to anyone who needs an experienced professional attorney.

Posted by anonymous | January 18, 2024 | Hired Attorney

good lawyer

i strongly recommend mark gallagher without reservation. finding a good lawyer is difficult, and mark gallagher is a good lawyer. He did exactly what we needed done - successfully and in a timely manner. His office is easily contacted, his staff is courteous, attentive and helpful. Phone messag...es are promptly returned. Mr. Gallagher contacted us right after the case was concluded. If i ever need a lawyer again i would glady use mark gallagher .

Posted by Ab G | January 23, 2023 | Hired Attorney

Amazing Lawyer

Mark is fantastic. He has represented me in 2 incidents before and always provided excellent results and guidance. Would highly recommend.

See All Client Reviews

Mark Andrew Gallagher's Lawyer Endorsements

Endorse Mark
Nicholas Milan Loncar headshot
Nicholas Loncar

Criminal defense lawyer | Sep 07

Relationship: Fellow lawyer in community

"Mark is like an encyclopedia of Southern California Criminal Defense. He is a great lawyer and gets great results for his clients. I endorse this lawyer."

Erin N. Collins headshot
Erin Collins

Criminal defense lawyer | Mar 18

Relationship: Fellow lawyer in community

"I endorse this lawyer. Mark is extremely knowledgeable, and is well known in the legal community as an effective advocate for his clients."

Lisa Zhao Liu headshot
Lisa Liu

Speeding and traffic ticket lawyer | Feb 23

Relationship: Fellow lawyer in community

"Mark is an excellent traffic attorney who really knows his stuff..better than any other traffic attorney I have met. I can't think of a court in southern California he is not familiar with! On top of that, he charges a most affordable rate for his top notch lawyering. I recommend Mark fully and endorse this lawyer."

Jason Franklin Coker headshot
Jason Coker

Criminal defense lawyer | Oct 13

Relationship: Fellow lawyer in community

"I endorse this lawyer. Mark is very well-versed in the criminal arena and enjoys an outstanding reputation within the legal community."

Levon B. Kevorkian headshot
Levon Kevorkian

Criminal defense lawyer | Sep 19

Relationship: Worked together on matter

"Mark is a stellar attorney. It is no wonder that other attorneys constantly call him for advice because his knowledge of the criminal justice system is second to none."

Michael S. Waddington headshot
Michael Waddington

Criminal defense lawyer | May 29

Relationship: Fellow lawyer in community

"I endorse Mark. He is a highly skilled attorney that is well respected in the legal community."

Hieu N Vu headshot
Hieu Vu

Criminal defense lawyer | Mar 02

Relationship: Fellow lawyer in community

"Mark is an excellent lawyer. I constantly go to him for advice and he is valuable asset to the defense community. He's been there for me more than a few times and fights hard for his clients"

Mark Andrew Mcbride headshot
Mark Mcbride

Criminal defense lawyer | Aug 01

Relationship: Fellow lawyer in community

"Love, love, love Gallagher! I call him Gallagher or MG. Regardless, Mark tells it like it is, gets great results, and is sharp as a tack. Mark gives more than he gets, and he's always upbeat. I recommend him without reservation. Oh, by the way, Mark is an outstanding Dependency Court lawyer. I would not want to be a County Counsel lawyer, going against Mark, when DCFS has taken Mark's client's kids. This is a very specialized area of the law -- dependency -- and he knows it, along with criminal defense, cold."

Daniel C Grupenhagen headshot
Daniel Grupenhagen

Criminal defense lawyer | Sep 07

Relationship: Fellow lawyer in community

"I endorse Mark Gallagher. I have referred him cases and always hear good feedback from those clients. I wouldn't hesitate to engage his services if needed."

Paul J. Denni Esq. headshot
Paul Denni

Criminal defense lawyer | Jun 14

Relationship: Fellow lawyer in community

"Mark is an intelligent and caring lawyer. Also, he won't bullshit you - he'll give you the good and/ or the bad news regarding your case. That said, his positive and optimistic energy makes him go the extra mile for his clients and get results exceeding those of the average lawyer. If you hire him, you'll find that he explains the process in as much detail as is necessary for you to feel comfortable, and you'll feel confident that he'll get the best results possible for your case."

Jason Eric Trumpler headshot
Jason Trumpler

DUI and DWI lawyer | May 05

Relationship: Opposing Counsel on matter

"I endorse this lawyer."

Steven Kelly Bloom headshot
Steven Bloom

Criminal defense lawyer | Sep 20

Relationship: Fellow lawyer in community

"I endorse this lawyer. Attorney Gallagher is personable, professional, and very good at what he does. He never ceases to amaze me with his effectiveness in court."

Lloyd Wayne Patterson headshot
Lloyd Patterson

DUI and DWI lawyer | Aug 21

Relationship: Worked together on matter

"If you have a DUI or other traffic offense in Southern California, then Mark is the attorney to call."

Randall Tyson Longwith headshot
Randall Longwith

Criminal defense lawyer | Jul 20

Relationship: Fellow lawyer in community

"I endorse this lawyer. I have had to pleasure to work along side Mr. Gallagher. He is a very effective lawyer who gets results. If your child has been taken away or you have been arrested, you cant get better than Mr. Gallagher."

Scott Ryan Ball headshot
Scott Ball

DUI and DWI lawyer | Mar 07

Relationship: Fellow lawyer in community

"Mark knows just about everything there is to know about traffic and DMV laws - if you have an issue with your license, he is the man to see. He works extremely hard for his clients."

Thomas Victor Wallin headshot
Thomas Wallin

Criminal defense lawyer | Nov 09

Relationship: Fellow lawyer in community

"Mr. Gallagher is a great Orange County Criminal Defense Attorney. I strongly endorse him."

Michael Santino Carrillo headshot
Michael Carrillo

Criminal defense lawyer | Apr 10

Relationship: Fellow lawyer in community

"Mark is a very knowledgeable and hard working attorney who I would recommend to anyone. He is a very friendly person and is very liked by his clients, who can reach him at all hours. But don't let his nice demeanor fool you. Mr. Gallagher fights hard for his clients and has handled all sorts of cases. There isn't anything he hasn't seen. For these reason I endorse Mark Gallagher."

Matthew Blake Wallin headshot
Matthew Wallin

Criminal defense lawyer | Mar 31

Relationship: Fellow lawyer in community

"Mark Gallagher is an extraordinary attorney that takes the time necessary on every single case he handles to ensure that his clients get the best results possible in their cases. His dedication and compassion provides a strong example of how every criminal defense attorney should conduct themselves."

Keith John Bruno headshot
Keith Bruno

Criminal defense lawyer | Mar 27

Relationship: Fellow lawyer in community

"I endorse Mark. Mark is my go-to guy for specialty matters such as Juvenile Dependency (when the state is trying to take your kids away) but mark is also very knowledgeable in all areas of Criminal Defense. Mark is an outstanding lawyer."

Ardalon Fakhimi headshot
Ardalon Fakhimi

Criminal defense lawyer | Mar 24

Relationship: Fellow lawyer in community

"I have been familiar with Mr. Gallagher's work for over 7 years. He is a well prepared and diligent attorney with a great deal of experience. I have always know him to secure very favorable results for his clients, either through negotiation or through litigation. I gladly endorse this lawyer!"

View All Endorsements
Vincent Scott Hughes headshot
Vincent Hughes

Criminal defense lawyer

Celia L Robles headshot
Celia Robles

Family lawyer

Iman Jaffrey headshot
Iman Jaffrey

Criminal defense lawyer

Jared L. Willis headshot
Jared Willis

Criminal defense lawyer

Erin N. Collins headshot
Erin Collins

Criminal defense lawyer

Mark Andrew Mcbride headshot
Mark Mcbride

Criminal defense lawyer

Karren Melinda Kenney headshot
Karren Kenney

White collar crime lawyer

Daniel C Grupenhagen headshot
Daniel Grupenhagen

Criminal defense lawyer

Hieu N Vu headshot
Hieu Vu

DUI and DWI lawyer

Paul J. Denni Esq. headshot
Paul Denni

Criminal defense lawyer

Matthew Jeremy Cohen headshot
Matthew Cohen

Criminal defense lawyer

Steven Kelly Bloom headshot
Steven Bloom

Criminal defense lawyer

Randall Tyson Longwith headshot
Randall Longwith

Criminal defense lawyer

Scott Ryan Ball headshot
Scott Ball

Criminal defense lawyer

Thomas Victor Wallin headshot
Thomas Wallin

Criminal defense lawyer

Matthew Blake Wallin headshot
Matthew Wallin

Criminal defense lawyer

Ardalon Fakhimi headshot
Ardalon Fakhimi

Criminal defense lawyer

Christopher John McCann headshot
Christopher McCann

Criminal defense lawyer

Jeffrey Scott Bullard headshot
Jeffrey Bullard

Criminal defense lawyer

Experience

Rating:  9.3 (Superb)

Honors

2018

Top 100 Trial Lawyers, National Trial Lawyers

2012

Client's Choice, Avvo

2000

Cum Laude, Pepperdine School of Law

1999

American Jurisprudence Award, Pepperdine School of Law

Work Experience

2006 - Present

Owner, Law Offices of Mark A. Gallagher

2004 - 2005

Attorney, Wallin & Klarich A Law Corporation

2001 - 2004

Attorney, Orange County Public Defender's Office

Associations

2012 - Present

North Orange County Bar Association

Member

2012 - Present

Bureau Of Real Estate

Broker

2008 - Present

National College of DUI Defense

Member

2008 - Present

California DUI Lawyers Association

Member

2000 - Present

Orange County Bar Association

Member

Sample of Legal Cases

People v. J.D.

Not Guilty on all counts

See More Legal Cases

Education

2000

Pepperdine University School of Law

JD - Juris Doctor

1996

University of San Diego

BA - Bachelor of Arts

Speaking Engagements

2011

Handling First DUI in California California DUI law

Publications

Languages

Spanish

English

Activity

Avvo Rating

Our Rating is calculated using information the lawyer has included on their profile in addition to the information we collect from state bar associations and other organizations that license legal professionals. Attorneys who claim their profiles and provide Avvo with more information tend to have a higher rating than those who do not.

What determines Avvo Rating?
  • Experience & background Years licensed, work experience, education
  • Legal community recognition Peer endorsements, associations, awards
  • Legal thought leadership Publications, speaking engagements
  • Discipline Disciplinary information may not be comprehensive, or updated. We recommend that you always check a lawyer's disciplinary status with their respective state bar association before hiring them.
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