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About The Mark Casto Law Firm

Taking Our Clients from Victim to Victorious

The Mark Casto Law Firm, PC is a personal injury practice in Columbus that was established to help victims of negligence and wrongful conduct pursue the justice they are owed. From car accidents and truck accidents to nursing home negligence and wrongful deaths, we are here to provide clients with the sound legal counsel and tough representation that they deserve.

Schedule Your Free Initial Consultation

If you, a family member, or someone you know has been hurt or injured as a result of a negligent act and other wrongful behavior, trust your case to The Mark Casto Law Firm, PC. We are your strong advocate during these tumultuous times. Allow us to provide you with caring yet aggressive representation to ensure favorable compensation for your current and future medical fees, lost earnings, pain and suffering, and other damages.

To get started, contact our firm at (706) 940-4030 and schedule a free consultation with our Columbus personal injury attorney.

Recent Case Results

  • Car wreck resulting in back surgery. Read On

  • Our client was injured when another driver negligently parked his vehicle along a rural highway. His vehicle was concealed by the natural terrain. Our client was unable to take action to avoid the collision and suffered fractured bones in his lower leg.  Read On


Led by a Fierce Advocate with Courtroom Experience

As a former prosecutor for the Office of the District Attorney and over two decades of experience in the courtroom, our lead attorney has seen how the legal system can sometimes fail those who are most in need.

For this reason, Attorney Mark Casto is determined and committed to standing up for the injured. He understands the physical, emotional, and even financial pain that his clients are going through and he wants nothing but to help them receive the justice and compensation that they are entitled to.

If you or a loved one has been injured due to negligence or wrongful conduct in Columbus, Harris, or the surrounding areas, contact our firm to schedule a free initial consultation.


Work With an Award-Winning Team

What Sets Our Practice Apart?

At The Mark Casto Law Firm, PC, we strive to give each client personal attention. Unlike large, corporate, out of town or state law firms, we are an intimate practice with the extensive experience and tenacity that clients need. From preparation to resolution, all our cases are personally handled by our lead lawyer. We stand ready to navigate clients through every legal obstacle and make sure that their rights are protected.

Other reasons for working with our firm include:

  • We treat each client with dignity and respect
  • We keep clients reasonably informed regarding all significant developments in their case
  • We always give honest straightforward advice
  • To have genuine empathy for each client
  • We are aggressive yet ethical when advocating for our clients
  • We always fight for the best outcome possible

Reverence for Clients

Lack of respect and dignity are things you will never have to worry about with The Mark Casto Law Firm, PC.

Invested in the Outcome

We truly care about clients' futures, and we do everything it takes to protect them.

100% Focused on the Injured

Our firm exclusively handles personal injury-related legal matters.

Experienced Legal Team

We have successfully represented injured victims in Georgia for over 20 years.

How Clients Feel About Our Firm


  • Personal, dedicated and ambitiously effective.

    THE MARK CASTO LAW FIRM IS THE BEST! If you want a lawyer who treats you like family and has your best interest at heart, this is the law firm for you. Mr. Casto is personable, dedicated, and most importantly, ambitiously effective. I have worked with Mr. Casto for years with multiple car acciden... Read On

  • Thank you for your help during this long and difficult journey!

    This is my second time hiring Mark Casto. He and his staff did a great job helping me with my case. They were very professional and patient. I was kept in the loop every step of the way and he did everything he could do to make sure I received a fair settlement. I appreciate everything they have ... Read On

  • An amazing lawyer, professional, and kind human being!

    An amazing lawyer, professional, and kind human being. Mark is very respectful and understanding and is willing to go the extra mile to make you happy. I was pleased with my result and If you ever need a lawyer, Mark is the man you want to see. Thank you for all you have done, couldn't ask for a ... Read On


Contact Us Today

The Mark Casto Law Firm, PC is committed to answering your questions about Personal Injury law issues in Columbus, Georgia.

We offer a Free Consultation and we'll gladly discuss your case with you at your convenience. Contact us today to schedule an appointment.