Jason B Grosky

Jason B Grosky

5.0
Rating: 7.2

Licensed for 19 years

Criminal defense Lawyer at Haverhill, MA
Practice Areas: Criminal Defense, DUI & DWI, Speeding & Traffic Ticket ... +5 more

105 Kenoza Ave, Haverhill, MA

About Jason

Biography

Fees and Rates

Cost

Free Consultation

$0 first 30 minutes


Payment Methods

  • Cash
  • Check
  • Credit Card

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Licenses

Licensed in New Hampshire for 16 years

State: New Hampshire

Acquired: 2009

Active

No misconduct found

Licensed in Massachusetts for 19 years

State: Massachusetts

Acquired: 2006

Active

No misconduct found

Location

Grosky Law Firm

105 Kenoza Ave, Haverhill, MA, 01830

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Jason B Grosky's Reviews

Avvo Review Score

5.0 /5.0

31 Client Reviews

Filter Avvo Reviews (31) Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.

Showing 1 - 5 of 11 reviews | Responsiveness

Posted by Tracy | May 29, 2026 | Hired Attorney

Your Go to Lawyer!

My husband and I had never needed a lawyer or been through the court system before, so we felt completely lost. Hiring Jason was one of the best decisions we made. He was incredibly responsive, patient, and always took the time to answer our many questions without ever making us feel like a burden. ... My husband was served with a restraining order that was completely unfounded. Throughout the hearing, Jason demonstrated exceptional judgment and strategy. He knew exactly which questions to ask and how much pressure to apply without overdoing it. His ability to read the room and navigate the situation was impressive. Thanks to his skill and professionalism, the restraining order was dismissed, and my husband can move forward without it on his record. Jason is knowledgeable, approachable, and easy to talk to. While I hope we never need legal services again, he would be my first call if we did. Highly recommend. Thank you, Jason!

Posted by Lisa | April 21, 2026 | Hired Attorney

Very well supported

Jason Grosky comes highly recommended from me due to his outstanding responsiveness and commitment to explaining case details thoroughly. I felt well supported throughout the process. If you're seeking a knowledgeable lawyer with strong communication skills, Jason is the ideal choice.

Posted by Julie | April 10, 2026

Awesome

I recently hired Jason Grosky for representation with a restraining order extension. He answered all my questions, calls and texts right away!!! And more importantly, he got me a 5 year extension!!!! From the bottom of my heart…THANK YOU JASON!!!!

Posted by anonymous | March 10, 2026 | Hired Attorney

Highly Recommend Jason Grosky

I had the pleasure of working with Jason Grosky during a particularly challenging time, and I cannot speak highly enough of his counsel. Though my case never proceeded to trial, Jason's guidance throughout the process was invaluable. He was knowledgeable, responsive, and consistently demonstrated a c...lear command of criminal defense law. Jason kept me informed at every stage, answered my questions with patience and clarity, and always made me feel that my case was a priority. I am grateful for his expertise and would not hesitate to recommend him to anyone in need of a skilled and dedicated criminal defense attorney.

Posted by anonymous | January 12, 2026 | Hired Attorney

successful resolution out of court through diversion program

my daughter was caught using a fake id to purchase a bottle of wine in new hampshire. we hired jason to help us resolve this matter. jason was super responsive and provided excellent service every step of the way to successfully resolve this matter out of court (through nh's diversion program). if yo...u need to resolve a similar matter, i highly recommend working with jason.

See All Client Reviews

Jason B Grosky's Lawyer Endorsements

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Experience

Rating:  7.2 (Very Good)

Work Experience

2025 - Present

Principal, Grosky Law Firm

2009 - 2025

Prosecuting Attorney, Salem (NH) Police Department

2007 - 2009

Assistant District Attorney, Essex County District Attorneys Office

Education

2006

Massachusetts School of Law at Andover

JD - Juris Doctorate

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