Mark Meredith Zlock

Mark Meredith Zlock

also known as Mark Zlock, Mark M. Zlock

4.7
Rating: 7.6

Licensed for 16 years

Family Lawyer at Yardley, PA
Practice Areas: Family, Criminal Defense, DUI & DWI, Speeding & Traffic Ticket

777 Township Line Road, Suite 240, Yardley, PA

About Mark

Practice Areas

4

Practice Areas

Family 70%

Child Custody, Child/Spousal Support/APL, Protection from Abuse, Divorce, Alimony, Equitable Distribution, Name Change, Grandparents Rights, etc.

70%
Criminal Defense 10%

Domestic Violence, Assault, Drug Possession, Shoplifting, Theft, Traffic Violations

10%
DUI and DWI 10%

First, Second and Third Offense, Underage DUI, License Suspension, ARD, etc.

10%
Speeding and Traffic Ticket 10%

Speeding, Reckless Driving, Careless Driving, Hit & Run, Underage DUI, License Suspension, Appeals

10%

Fees and Rates

Cost

Free Consultation

$0 first 30 minutes

Contingency

20%-35%

Retainer

Sometimes


Payment Methods

  • Cash
  • Check
  • Credit Card

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Licenses

Licensed in Pennsylvania for 16 years

State: Pennsylvania

Acquired: 2009

Active

No misconduct found

Location

Zlock & Grisillo

777 Township Line Road, Suite 240, Yardley, PA, 19067

Zlock & Grisillo

123 N Broad Street Doylestown, PA 18901, Doylestown, PA, 18901

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Mark Meredith Zlock's Reviews

Avvo Review Score

4.7 /5.0

53 Client Reviews

Showing 1 - 5 of 10 reviews | General Knowledge

Posted by Carl | October 25, 2025 | Hired Attorney | Family

An Exceptional Family Law Attorney Who Delivers Results

Mark Zlock is an exceptional family law attorney who is knowledgeable, calm, and deeply strategic. From our very first meeting, he brought clarity and confidence to an extremely difficult process. He is the rare attorney who can prepare for court like a warrior yet also knows when and how to reach a ...fair resolution outside of it. After working with several other attorneys over the years, Mark was the only one who truly got it done. He is highly respected by judges and peers alike, communicates clearly, and delivers results through preparation, integrity, and experience. I am incredibly grateful for his dedication and professionalism throughout every step of my case. I am truly glad I retained him. I would much rather have Mark on my side of the table than across the aisle. If you are looking for a trustworthy, skilled family law attorney in Bucks County who genuinely cares about both the outcome and the people involved, I cannot recommend Mark Zlock highly enough.

Posted by anonymous | January 09, 2022 | Hired Attorney | Child Custody

True Professional with Sincere Care for His Client's Outcome!

Mark's expert knowledge and experience were the contributing factors to my case's successful outcome. He thoroughly listened to my situation, provided insight, and prepared my case with due diligence. These actions directly led me to the optimal outcome of my Child Custody and Support matters in co...urt. Mark's impeccable reputation in the local area led me to retain his services. I would recommend him to anyone needing trustworthy representation.

Posted by Gary | February 26, 2021 | Hired Attorney | Family

Mark Zlock, Esq Review

Mark provided quality family law legal services (Equitable Distribution Divorce matter). During a very difficult time. He prepped for my case even when he was on vacation over the holidays and we were in contact during his vacation which shows his client devotion. I was extremely pleased with his r...epresentation and favorable outcome of the legal matter. I highly recommend you contact him for a consult on your family law matter.

Posted by Greg | October 14, 2019 | Hired Attorney | Criminal Defense

A lawyer for great results

I have Mark as my lawyer for crimal and traffic cases and he is a great lawyer always honest and up front and knowledgeable on how to go about your case to get the best result i would recommend him to anyone in need of a good lawyer

Posted by Kathy | October 05, 2019 | Criminal Defense

Truthful and Honest

I met with Mark to discuss a criminal matter for my son. He went through with me everything that could happen from the worst to the best possible turn out. He assured me that it would be a tough road, but there would be a light at the end of the tunnel. I felt much relief after meeting with him, a...s he has a calm disposition.

See All Client Reviews

Mark Meredith Zlock's Lawyer Endorsements

Endorse Mark
Paul Jared Mallis headshot
Paul Mallis

Family lawyer | Apr 11

Relationship: Fellow lawyer in community

"Attorney Mark Zlock is truly a “lawyer’s lawyer.” I know Mark back from my days in the District Attorney’s Office. I’ve worked as opposing counsel and co-counsel with Mark. He is knowledgeable, professional and zealous when it come to fighting for his clients. I highly endorse this fine attorney without any reservation."

Timothy Grisillo headshot
Timothy Grisillo

Family lawyer | Apr 10

Relationship: Fellow lawyer in community

"Mark Zlock is an excellent litigator. I recommend him to anyone looking for an aggressive advocate for family and criminal matters."

Rahul Aggarwal headshot
Rahul Aggarwal

Unknown lawyer | Mar 15

Relationship: Fellow lawyer in community

"An excellent lawyer who treats clients with patience, care, understanding, and utmost professionalism - an even better person and I wholeheartedly recommend for future services."

Noah M. Gladstone headshot
Noah Gladstone

Criminal defense lawyer | Jun 22

Relationship: Fellow lawyer in community

"I endorse this lawyer."

Mark Yurovsky headshot
Mark Yurovsky

Family lawyer | Oct 17

Relationship: Fellow lawyer in community

"I endorse this lawyer."

Ralph A Powell headshot
Ralph Powell

General practice lawyer | May 12

Relationship: Worked together on matter

"I endorse this lawyer. Mark is hardworking, dedicated, tenacious, ethical, and will put in the needed time to do a job right. I respect Mark and find him thorough, thoughtful, good with clients, fair, and can be a bull dog when needed. I have given mark several referrals with complete confidence and worked on two cases with him. I find him to be cooperative and a team player."

Brian Alexander Coverdale headshot
Brian Coverdale

DUI and DWI lawyer | Apr 15

Relationship: Worked together on matter

"Mark Zlock is a zealous advocate. He is effective and has strong negotiation tactics. I recommend Mark as an attorney."

View All Endorsements
Jeffrey S. Nowak headshot
Jeffrey Nowak

Bankruptcy and debt lawyer

Robert Amadeo Mancini headshot
Robert Mancini

Juvenile law lawyer

Noah M. Gladstone headshot
Noah Gladstone

Criminal defense lawyer

Timothy Grisillo headshot
Timothy Grisillo

Divorce and separation lawyer

Ralph A Powell headshot
Ralph Powell

Employment and labor lawyer

Brian Alexander Coverdale headshot
Brian Coverdale

Personal injury lawyer

Experience

Rating:  7.6 (Very Good)

Work Experience

2021 - Present

Attorney, Zlock & Grisillo

2009 - 2021

Attorney, Law Office of Mark Zlock, P.C.

Associations

2013 - Present

Bucks County Bar Association

Member

2010 - Present

American Bar Association

2009 - Present

Pennsylvania Bar Association

Member

2009 - Present

Pennsylvania Bar Institute

Member

2009 - 2010

Federal Bar Association

Education

1991

Pennsylvania State University, Dickinson School of Law

JD - Juris Doctor

1986

Lehigh University

Bachelor of Arts

1982

Peddie School

Diploma

Languages

English

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.

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  • Experience & background Years licensed, work experience, education
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  • 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
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