Skip to main content

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: 50%
    Less than 1 year
  2. Child Support: 15%
    Less than 1 year
  3. Child Custody: 15%
    Less than 1 year
  4. Alimony: 10%
    Less than 1 year
  5. Family: 10%
    Less than 1 year


Payment types:

Cash, Check, Credit card

Attorney endorsements

3 total 

Are you an attorney? Endorse this lawyer

  • No photo

    I have had the pleasure of working with Joseph O'Shea on various legal matters and fully endorse his skills and expertise.


    Alfredo Conti Commercial real estate Attorney
    Relationship: Fellow lawyer in community

  • No photo

    I endorse this lawyer.extremely competent and professional. one of the best in the business.


    Jay Duskin DUI and DWI Attorney
    Relationship: Fellow lawyer in community

Contact info

The Law Firm of Joseph A. O'Shea

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


NYDue to reregister within 30 days of birthday 197403/07/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Thomas R. Sullivan AwardRichmond County Bar Association2016
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
Association namePosition nameDuration
Richmond County Bar Association Grievance CommitteeMember2006 - Present
New York State Bar Association, Family SectionMember1989 - Present
New York Criminal and Civil Courts Bar AssociationMember1980 - Present
New York State Bar AssociationMember1978 - Present
Richmond County Bar AssociationBoard Member2012 - 2015
School nameMajorDegreeGraduated
St John's University School of LawLawJD - Juris Doctor1973
St John's UniversityBusiness AdministrationBBA - Bachelor of Business Administration1969