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Jean Williams Mercurio

3.1
Rating: 6.6

Licensed for 30 years

Divorce and separation Lawyer at Smithtown, NY
Practice Areas: Divorce & Separation, Family, Mediation

823 West Jericho Turnpike, Suite 7C, Smithtown, NY

About Jean

Practice Areas

3

Practice Areas

Family 25%

34 years

25%
Mediation 10%

28 years

10%

Fees and Rates

Cost

Hourly Rates

$ 375-375 per hour


Payment Methods

  • Cash
  • Check
  • Credit Card

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Licenses

Licensed in New York for 30 years

State: New York

Acquired: 1995

Currently Registered

No misconduct found

Location

Law Offices of Jean Williams Mercurio

823 West Jericho Turnpike, Suite 7C, Smithtown, NY, 11787

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Jean Williams Mercurio's Reviews

Avvo Review Score

3.1 /5.0

15 Client Reviews

Filter Avvo Reviews (15) Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.

Showing 1 - 5 of 6 reviews | Practice Area Knowledge

Posted by Joe | April 18, 2025 | Hired Attorney | Child Custody

Compassionate, Strategic, and Steadfast Advocate in a High-Conflict Custody Battle

I worked closely with Jean Williams-Mercurio during one of the most difficult periods of my life—a bitter, drawn-out custody battle filled with false allegations and emotional turmoil. From the start, Jean was more than just a legal advocate; she became a steady, compassionate presence who guided me ...through both the legal complexities and the emotional weight of the situation. Jean’s legal expertise was instrumental in helping me achieve a fair custody settlement, despite my former partner’s relentless efforts to keep me from my daughter. She was always prepared, strategic, and realistic—never sugarcoating the situation, but always helping me see the bigger picture. What truly set Jean apart was her ability to support me on a personal level. She was patient, understanding, and consistently available to talk through the stress, the confusion, and the emotional toll of the process. Her empathy, paired with her legal skill, made all the difference. If you're navigating a high-conflict custody battle and facing false accusations, I can’t recommend Jean Williams-Mercurio enough. Her professionalism, strength, and compassion helped me survive the storm and come out with a resolution I can live with.

Posted by Chris | April 16, 2025 | Hired Attorney | Divorce & Separation

Highly recommend!

After four years of a grueling divorce, Jean brought me peace. She stood by me through repeated mediations and prolonged delays, always providing support and understanding. Jean took the time to know me and my daughter, making me feel seen and heard. It's a testament to her skill, dedication, and com...passion that I can honestly say I received a settlement that was everything I desired. Jean is more than just a diligent and organized attorney; she's a caring advocate who prioritizes her clients' well-being. Jean's genuine care for me and my daughter made all the difference. Her heart, coupled with her legal expertise, ensured a fair and balanced outcome. I'm profoundly grateful.

Posted by Amanda | April 01, 2019 | Hired Attorney | Divorce & Separation

Great Attorney

When I realized I would need a divorce attorney I did not hesitate to call Jean. Many friends recommended her. I was petrified of the journey and clueless of the procedures. I can assure you that Jean is a calm, cool and confident lawyer. She can handle men who attempt to intimidate her. She knows th...e laws and the Judges on the bench. I feel confident that my future will be bright as she fights for my needs as a woman who relied on her spouse for her future financial needs. I have also used Jean for my real estate needs. Great friend and attorney.

Posted by Denise Delio | March 29, 2019 | Hired Attorney | Divorce & Separation

Honest,loyal,and dedicated

Jean helped me and continues to help me with all the challenges with my divorce. She has been assisting me for over 10 years. She never hesitated to offer assistance and does not nickel and dime you. She is not intimidated but the roughest and toughest men, that like my ex tried to scare her with no ...avail. She is compassionate , professional and loyal. After all these years I consider her my friend. Thank you jean for all the years of help.

Posted by Sandra | January 07, 2019 | Hired Attorney | Wills & Living Wills

FANTASTIC LAWYER

I have nothing but great things to say about her. No idea what the negative reviews are about, however I can recommend Jean to anyone needing an attorney. Shes handled numerous things for me. My husbands WILL, probate court, & family court. She is professional, extremely sensitive, reliable, smart, c...aring and goes above & beyond for her clients. I have recommended her and she has been used by a close friend and they have nothing but praise for her. I am currently using her yet once again and would back her up 110%!

See All Client Reviews

Jean Williams Mercurio's Lawyer Endorsements

Endorse Jean
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Thomas Tona

Divorce and separation lawyer | Jun 09

Relationship: Fellow lawyer in community

"I highly endorse this lawyer. I have worked with Jean on many matters over the last two decades. She is a top notch attorney, achieving great results for her clients while remaining compassionate throughout."

View All Endorsements
Meredith E. Chesler headshot
Meredith Chesler

Divorce and separation lawyer

Audrey Beth Bloom headshot
Audrey Bloom

Real estate lawyer

Thomas Tona headshot
Thomas Tona

Personal injury lawyer

Experience

Rating:  6.6 (Good)

Work Experience

2003 - Present

Owner, Jean Williams Mercurio, Esq.

Associations

2013 - Present

New York State Bar Association

Member

Education

1990

Catholic University

Juris Doctor

1987

University of Scranton

BS - Bachelor of Science

Languages

English

Avvo Rating

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Avvo Rating Levels
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