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

34 Client Reviews

Filter Avvo Reviews (34) Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.

Showing 1 - 5 of 34 reviews

Posted by Michael | August 12, 2026 | Hired Attorney

Excellent Out-of-State DUI Lawyer

I can’t recommend this attorney highly enough. He represented me in an out-of-state DUI case and was incredibly responsive and supportive throughout the entire process. From our very first conversation, he made me feel like I wasn’t just another client — he treated me as if he were representing a mem...ber of his own family. He took the time to communicate with me, answer my questions, and explain every step of the process so I always knew what to expect. When it came time to represent me in court, he was extremely well-spoken, confident, and charismatic. He handled himself professionally and connected very well with everyone in the courtroom. Considering he was representing me from three states away, I was extremely impressed with how involved and accessible he remained throughout the entire case. Most importantly, he delivered what I believe was the best-case scenario outcome for me. I’m extremely grateful for his hard work and dedication and would recommend him to anyone who needs an attorney. He truly went above and beyond for me.

Posted by Lindsey | July 30, 2026 | Hired Attorney

Wonderful experience !

I hired Jason to help with obtaining a restraining order for my son against another classmate after years of bullying with both physical and verbal issues. Jason was quick to respond to all my questions , extremely knowledgeable with how these orders worked and what was necessary for a successful ou...tcome. In addition, my son is autistic- he has high functioning autism . Jason was great speaking to him , walking him through how court would go and reassuring him that he would be there to guide him through his questioning . Ultimately, Jason was able to get the outcome we had hoped for and my son never had to physically enter the courtroom . I’m extremely grateful for his help, professionalism and patience .

Posted by anonymous | July 15, 2026 | Hired Attorney

Highly experienced attorney

Working with Jason was an experience that was seamless, painless, and top notch. He knows exactly what he's doing, and he knows when to do it as well. I would work with him again in a heartbeat.

Posted by Elizabeth | June 29, 2026 | Hired Attorney

Accessible, Results-Oriented, Calming

I hired Jason in May 2026 for an OUI arrest in Massachusetts. From our initial meeting through the court appearance, he made this very difficult process comfortable for me. He’s calming. He takes his time explaining the entire process to someone who has never been through this. I feel very fortunate ...that I connected with him during this most difficult time. And I am happy with the outcome of the case. Thank you, Jason. I highly recommend meeting with Jason should you need legal services.

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!

See All Client Reviews

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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

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