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

30 Client Reviews

Filter Avvo Reviews (30) Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.

Showing 1 - 5 of 10 reviews | Advocacy

Posted by anonymous | March 25, 2026 | Hired Attorney | Criminal Defense

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 | Criminal Defense

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 Alfred | December 29, 2025 | Hired Attorney | Criminal Defense

Very committed and skilled attorney

Mr.Grosky represented me in a case in which I was looking at significant time. He did this pro bono. He was extremely professional in every way. When we first met to go over the case he was very thorough in collecting all my info. He did not rush at all and gave me the definite sense that he really c...ared. At my ball hearing he spoke atleast twice as long as the da and really put forth a great case for my release. After that he arranged a very very good plea deal for me which allowed my release from jail much sooner than expected. Even after his job was done he sent me an email offering his advice for what I should and shouldn't do once out. This was not necessary but he did it because he really cares. Mr. Grosky is a phenomenal lawyer that I cannot speak highly enough of.

Posted by anonymous | October 20, 2025 | Hired Attorney | Criminal Defense

Exceptional Attorney

Jason Grosky is an exceptionally experienced, dedicated, and driven attorney. I came to Jason on a recommendation from a coworker who spoke just as highly of him as I now do. My case involved a driving incident with a Class A Misdemeanor charge, carrying the possibility of a large fine, potential ...jail time, and a lengthy license suspension. After submitting a brief explanation through the Grosky Law Firm website, Jason emailed me the very next day to schedule a consultation and gather the necessary information. I showed up to that meeting in a panic, already without a license due to a quick suspension. By the end of the consultation, most of my worries were gone—Jason explained everything clearly, outlined the potential outcomes, and gave me a step-by-step plan moving forward. Once I hired him, Jason immediately put his years of experience as a prosecuting attorney to work. He secured me an expedited DMV hearing, assuring me that he would handle everything. While awaiting that decision and with a court date still months away, Jason reached out to the arresting officer, identified weaknesses in the case, and negotiated a plea deal. The result: my charge was reduced to a simple traffic violation with a $100 fine, no criminal record, and a joint request to the DMV for my license reinstatement. Instead of facing months of uncertainty, I had my license back and my case resolved well before my scheduled court date. Throughout the entire process, Jason was reassuring, responsive, and professional—rarely taking more than an hour to reply to emails or texts, often responding within minutes. I cannot recommend Grosky Law Firm enough!

Posted by Austin | August 26, 2025 | Hired Attorney | Lawsuits & Disputes

Great guy, Great attorney!

Before meeting Jason Grosky I was an anxious mess. I got myself in a mess that I had no idea what to do. After just one consultation with Jason not only was my anxiety gone but I had a good idea of what was going to happen with my case. He explained everything to me in an easy manner and did not c...onfuse me with legal terms. Jason acted like we were long time friends and made me feel comfortable. Honestly, I feel lucky that he was my attorney because of how comfortable he made me feel. On top of all of that, the day of the court date he again reviewed everything with me and told me exactly how everything was going to play out, so there were no surprises. This made me feel even more comfortable. Then, in the court room Jason was magical. I do not want to get into details but Jason did exactly what we went over and in the end he won the case for me. If you are reading this and wondering if you should hire Jason, I would tell you I highly recommend him. I cannot thank him enough for what he did for me. I feel blessed and grateful that I met Jason and was able to work with him.

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
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