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About me

Steve was born and raised in Kingston, MA and graduated from Kingston's Silver Lake High School in 1969 where he served as Class President and President of the National Honor Society. Steven then attended Gettysburg College in Pennsylvania where he graduated summa cum laude Phi Beta Kappa in 1973 and where he also served as a student government leader and sophomore Class President. In 1976, Steven received his J.D. from Boston College Law School.

Steve opened his own law practice in 1977.  It has grown into a well respected law firm, now known as Triffletti & Costa, P.C. Steve is very active in civic and professional organizations.


Photos and videos

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Practice areas


  1. Real Estate: 40%
    38 years
  2. Personal Injury: 30%
    38 years
  3. Divorce & Separation: 20%
    38 years
  4. Estate Planning: 5%
    38 years
  5. Business: 5%
    38 years

Attorney endorsements

1 total 

Are you an attorney? Endorse this lawyer

  • Franklin Ashley Triffletti

    Steve is very experienced and knowledgeable in many areas of the law. With over thirty-five years of experience, he is helping me develop my legal skills as an attorney.


    Franklin Triffletti Real Estate Attorney
    Relationship: Worked for lawyer

Contact info

Triffletti & Costa, P.C.

124 Long Pond Road
Plymouth, MA, 02360


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
The President's Call to Service AwardCorporation for National and Community Service2012
Community Information AwardPAC TV2011
Community Information AwardPAC TV2003
Political Forum AwardPAC TV2001
Political Forum AwardPAC TV2000
Talk Show AwardPAC TV2000
Community Service AwardPlymouth Area Chamber of Commerce1998
Paul Harris FellowRotary International, Inc.N/A
Work experience
TitleCompany nameDuration
AttorneyTriffletti & Costa, P.C.1977 - Present
Association namePosition nameDuration
Massachusetts Academy of Trial AttorneysMember1988 - 2010
Plymouth District Bar AssociationPast President1987 - Present
Plymouth Elementary School CommitteePast Chairman1987 - 1990
Plymouth Area Chamber of CommercePast Chairman1980 - Present
Plymouth County Bar AssociationMember1978 - Present
Rotary Club of PlymouthPast President1978 - Present
Massachusetts Bar AssociationMember1977 - Present
Massachusetts Moderators AssociationMemberN/A
Plymouth and South Shore Realtor AssociationMemberN/A
School nameMajorDegreeGraduated
Boston College Law SchoolLawJD - Juris Doctor1976
Gettysburg CollegeN/ABA - Bachelor of Arts1973
Speaking engagements
Conference nameTitleDate
South Shore Chamber of Commerce WorkshopLegal Issues for Small Businesses2014
Plymouth Area Chamber of Commerce SeminarLegal Issues for Small Businesses2014
First Time Home Buyers SeminarInformation for First Time Home Buyers2014
Plymouth ProfilesTelevision Show HostN/A
Annual Town MeetingModerate Plymouth Town MeetingN/A