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 17 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 14 reviews | Criminal Defense

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 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 anonymous | March 25, 2026 | Hired Attorney

Exceptional - Highly Recommend

He is truly the best of the best! He responded quickly, was incredibly knowledgeable, and didn’t hesitate to take immediate action when my hearing was expedited and we had only two days to prepare. He put my mind at ease while guiding me through one of the most stressful and frightening experiences o...f my life. Thanks to his professionalism and deep understanding of the law, my case was completely dismissed. 1000/10 — I would highly recommend him to anyone in need of an exceptional defense attorney.

Posted by RD | March 20, 2026 | Hired Attorney

Best in the business

If you need a defense attorney, call Jason Grosky! He went above and beyond and facilitated everything for me. He knows the process and the system and is on your side from day one. I was more than happy with the outcome and I would call him again if need be.

Posted by Mitchell | January 13, 2026 | Hired Attorney

Best lawyer ever.

Honestly, He's like having your best friend in a court room. He's a great guy, very knowledgeable, and gives you a strong since of security. I highly recommend when in need, because there's no one else you'll want by your side if you find yourself on the wrong side of the law. 10 out of 10 would hire... him again, thank you for everything 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

Avvo Rating

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Avvo Rating Levels
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