About John J. Costanzo
John J. Costanzo has a diverse professional background that began in western Pennsylvania, where he earned a degree in psychology with a minor in gerontology from Slippery Rock University. Continuing his education at the same institution, he achieved a master’s degree in counseling gerontology. His early career involved working in Maine, where he assisted adults with mental health challenges.
Upon relocating to Massachusetts, John directed a psychiatric day treatment program in the greater Boston area. During this period, he also contributed to an emergency services team, conducting psychiatric evaluations for individuals in distress.
Driven by a passion for law, John earned his J.D. from Suffolk University Law School. He is a proud member of both the Massachusetts and New Hampshire bars. John resides in Bolton, MA, with his wife, two sons, and their dog, Charlie.
The information on this page is for general informational purposes only and does not constitute legal advice. Consult a licensed attorney for advice about your situation.
Practice Areas
Massachusetts Car Accident Laws
Understanding Massachusetts's accident laws is critical when pursuing a claim. Here are the key legal rules that apply to your case:
Statute of Limitations
3 years
Time limit to file a claim
Negligence Rule
modified comparative fault (51%)
How fault is determined
Min. Insurance (BI/PD)
$20K/$40K/$5K
Per person/per accident/property
Insurance System
No-Fault
Your own insurance covers injuries
Frequently Asked Questions
Where did John J. Costanzo study psychology?
John J. Costanzo studied psychology at Slippery Rock University in Pennsylvania.
What advanced degree does John hold?
John holds a master’s degree in counseling gerontology from Slippery Rock University.
In which states is John J. Costanzo admitted to the bar?
John J. Costanzo is admitted to the bar in Massachusetts and New Hampshire.
What kind of work did John do before pursuing law?
Before pursuing law, John worked with adults with mental health issues and directed a psychiatric day treatment program.
Where does John J. Costanzo currently reside?
John J. Costanzo lives in Bolton, Massachusetts, with his family.
Contact Information
Need Legal Help?
Contact John J. Costanzo for a free consultation about your accident case.
Call for Free ConsultationAfter an Accident
- 1Seek immediate medical attention
- 2Document the scene & gather evidence
- 3File a police report
- 4Don't speak to insurance adjusters alone
- 5Contact John for a free case review
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