Theresa Ann Mari

Theresa Ann Mari

also known as Theresa A. Mari P.C.

5.0
Rating: 6.8

Licensed for 37 years

Child custody Lawyer at Hauppauge, NY
Practice Areas: Child Custody, Divorce & Separation, Real Estate ... +2 more

200 Vanderbilt Motor Parkway, Suite C-17, Hauppauge, NY

About Theresa

Practice Areas

5

Practice Areas

Child Custody 40%

36 years

40%
Mediation 15%

31 years

15%
Real Estate 15%

31 years

15%
Adoption 5%

21 years

5%

Fees and Rates

We have not found any cost information for this lawyer


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Licenses

Licensed in New York for 37 years

State: New York

Acquired: 1989

Due to Reregister within 30 days of Birthday

No misconduct found

Licensed in Connecticut for 37 years

State: Connecticut

Acquired: 1988

Administrative Suspension

No misconduct found

Location

THERESA A. MARI, P.C.

200 Vanderbilt Motor Parkway, Suite C-17, Hauppauge, NY, 11788

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Theresa Ann Mari's Reviews

Avvo Review Score

5.0 /5.0

3 Client Reviews

Filter Avvo Reviews (3) Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.
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5 stars 3
4 stars 0
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2 stars 0
1 star 0
Practice Areas

Showing 1 - 3 of 3 reviews

Posted by Sara | September 12, 2025 | Hired Attorney | Lawsuits & Disputes

The moment you meet Theresa Mari you know you are in the hands of someone extraordinary.

The moment you meet Theresa Mari you know you are in the hands of someone extraordinary. She combines unmatched legal skill with a level of compassion that is rare to find in any profession. During one of the most heartbreaking times of our lives, Theresa was more than an attorney, she was a source o...f strength, understanding, and genuine care. She listened with patience, explained every step clearly, and carried our case as if it were her own family’s. What stood out most was her ability to balance fierce advocacy in the courtroom with warmth and humanity outside of it. Theresa fought for us with precision and confidence, but she also comforted us with empathy that never felt forced. If you are searching for an attorney who not only knows the law inside and out but also truly sees and respects the people she represents, look no further. Theresa Mari is the advocate you want on your side.

Posted by Linda | September 19, 2017 | Hired Attorney | Lawsuits & Disputes

Outstanding Lawyer!

What a truly wonderful experience working with Theresa Mari. I was not very optimistic in a quest to find someone to represent my “small” case thinking the lawyer/firm would be difficult and dismissive. I can sincerely say that Ms. Mari handled it with professionalism and diligence. She was alway...s available to answer my questions no matter how minuscule they seemed and she did so with such kindness and compassion. Her Services far exceeded my expectations. Ms. Mari and her staff are truly a breath of fresh air!

Posted by SaraFinlayKeenan | April 10, 2015 | Family

Ms. Mari put her heart and soul into our case.

4,000 Characters is simply not enough to explain the praise that my family and I have for Ms. Mari and her skills. Our Family Court case was complex and stretched on for over a year. It also had many facets in terms of medical records and police reports. Not only did Ms. Mari learn, but more impor...tantly understand, every facet of our case...she was always reachable, prompt and informative. I recommend Ms. Mari with 100 percent conviction. She helped my entire family through the worst nightmare anyone can imagine and I could not fathom having endured it without her.

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Theresa Ann Mari's Lawyer Endorsements

Endorse Theresa
Patricia Issberner headshot
Patricia Issberner

Marriage and prenuptials lawyer | Aug 17

Relationship: Worked together on matter

"I find that Theresa Mari is an outstanding Law Guardian who looks out for the best interests of the children. I highly recommend her."

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This attorney hasn't created any attorney endorsements recently on Avvo.

Experience

Rating:  6.8 (Good)

Education

N/A

Hofstra

Languages

English

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