Denver DUI Defense Attorney

Serving Denver, Adams, Jefferson, Douglas & Arapahoe Counties

If you have been arrested for driving under the influence, you need an experienced Denver DUI attorney with proven results to defend you.

I, attorney Joseph A. Lazzara, have  been recognized and respected for my work in handling DUI cases. I have access to reconstructionists, forensic toxicologists, and many other qualified experts who help with DUI cases. Additionally, I am one of only a few DUI lawyers in Colorado who is Certified in Standardized Field Sobriety Testing, which is the same training administered to police officers nationwide.

My firm handles a variety of DUI cases, including:

  • Driving while ability impaired (DWAI)
  • Driving under the influence of drugs (DUID)
  • Felony DUI
  • First offense DUI
  • Repeat offense DUI
  • Underage DUI
  • And more

I have handled thousands of DUI-related cases. No matter what your case involves, I am prepared, qualified, and equipped to fight on your behalf.


Arrested for DUI? You Have 7 Days to Take Action! 

Immediately following a DUI arrest, you will have up to 7 days to request an official hearing to prevent the suspension or complete revocation of your license and driving privileges.

For this reason, among many others, you should immediately request a free consultation with our firm. We can fight to protect your driving privileges and your rights, interests, and freedoms.

We Know DUI Defense. We Know How to Win.

Learn more about our DUI case results to see how we’ve helped people in your situation to protect their future.
    "He is experienced, aggressive and his fees are reasonable. He fought for me and got my DUI dismissed."
    Hire the best DUI attorney, Joe Lazzara. He is experienced, aggressive and his fees are reasonable. He fought for me and got my DUI dismissed. I would highly recommend Joe Lazzara.
    - Former Client
    "He found out that the officer was not properly certified and that the lab screwed up my blood test results. He WON."
    I hired Joseph A. Lazzara for my second DUI. I was scared because I screwed up. Joe Lazzara put my mind at ease and immediately began investigating the case. He found out that the officer was not properly certified and that the lab screwed up my blood test results. I thought for sure I would lose my driver's license for 2 years. He WON. We then went to trial and he tore apart the police officer and the expert from the lab. The jury came back not guilty in 30 minutes. Joseph Lazzara WON my criminal and DMV case. He saved my job and my family. I don't know what I would've done without him. I HIGHLY RECOMMEND JOSEPH A. LAZZARA AGAIN AND AGAIN.
    - Former Client
    "The one thing I can say is he was very thorough and knew more about DUIs than even the police officer or DA."
    He fought for me the entire way and ultimately won my case at trial. The one thing I can say is he was very thorough and knew more about DUIs than even the police officer or DA. Pros: Knowledgeable and a Fighter Cons: NONE
    - Alicia

A Message from Tom Martino

Founder of the Troubleshooter® and Referralist

“Joe Lazzara has the personal touch that sets him apart from other attorneys. He deals personally with each case instead of having paralegals or associates do the work. He has handled thousands of cases throughout the years and has an array of experts ready to assist on the case, including private investigators, forensic toxicologists, physicians, and accident reconstruction specialists.”

– Tom Martino

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Experienced, Aggressive & Affordable

  • Affordable Counsel Without Compromise on Results
  • More Than 25 Years of Legal Experience
  • Thousands of Cases and Hundreds of Trials Handled
  • Undergone Same Training as Police Officers Nationwide
  • Certified in Colorado Standardized Field Sobriety Tests
  • Proven Record Defending DUIs and Criminal Offenses