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About me

Joseph A. O'Shea is a trial attorney with over 35 years of experience representing clients in a wide range of areas.  He focuses his practice on divorce and matrimonial law, while also representing clients with family law issues in Family Court as well as criminal defense in the various courts throughout New York and New Jersey. 


The Law Firm of Joseph A. O'Shea is a full service law firm on Staten Island, advising clients in multiple areas such as obtaining a divorce, responding to a spouses divorce, negotiating a divorce settlement, criminal matters, family law related issues, as well as Will planning, residential and commercial real estate matters, including contracts and closings. 


Prior to entering private practice, Mr. O'Shea was an Assistant District Attorney in Bronx County. After prosecuting and trying numerous criminal cases in the Bronx, Mr. O'Shea was recruited by the Staten Island District Attorney's Office and shortly thereafter, promoted as the first-ever Supreme Court Bureau Chief. 


At the Law Firm of Joseph A. O'Shea, we understand that every case is different and that every client has individual needs.  We work closely with our clients to develop a strategy whether it is strategic settlement, mediation, or trying the case - we implement a plan of action that best fits each client's unique needs.  


We are determined to represent clients in the most professional, courteous and result-oriented manner. We remain loyal to our clients and aggressively advocate on their behalf. 




Practice areas


  1. Divorce & Separation: 50%
    1 year
  2. Child Support: 10%
    1 year
  3. Child Custody: 10%
    1 year
  4. Child Abuse: 10%
    1 year
  5. Other: 20%
  6. More 


Payment types:

Cash, Check, Credit card

Attorney endorsements

1 total 

Are you an attorney? Endorse this lawyer

  • Peter J Weinman

    I endorse this lawyer, with whom I sit on the board of the Richmond County Bar Association. He is an attorney who sees (and fights to protect) the bigger picture; he not only cares about his clients, but about the community at large.


    Peter Weinman Real Estate Attorney
    Relationship: Fellow lawyer in community

Contact info

The Law Firm of Joseph A. O'Shea

260 Christopher Ln #201.
Staten Island, NY, 10314


NYCurrently registered 197403/13/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Sophie Mathews Memorial Award for Volunteer ServiceProject Hospitality2010
Work experience
TitleCompany nameDuration
Assistant District AttorneyStaten Island District Attorney's Office1978 - 1989
Supreme Court Bureau ChiefStaten Island District Attorney's Office1978 - 1989
Assistant District AttorneyBronx County Distirct Attorney's Office1973 - 1977
School nameMajorDegreeGraduated
St John's University School of LawN/AN/AN/A
St John's UniversityBusiness AdministrationN/AN/A