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DUI Defense

Facing DUI charges can be daunting, but you don’t have to navigate this challenging legal terrain alone. At diStefano & Mattingley, our Montana DUI defense attorneys specialize in protecting your rights and providing strategic defense against DUI allegations.

Our Approach

We understand the intricacies of Montana’s DUI laws and the serious consequences that can result from a conviction. Our dedicated legal team is committed to providing you with the best possible DUI defense, no matter the circumstances.

Types of DUI Cases We Handle:

Our DUI defense services cover a variety of cases, including:

First-Time DUI

Providing defense strategies for individuals facing their first DUI offense.

Multiple DUI Offenses

Representing clients with multiple DUI convictions and helping them navigate stricter penalties.

DUI with Injury

Defending against charges involving accidents or injuries related to DUI.

Felony DUI

Advocating for clients charged with felony DUI due to prior convictions or other factors.

Underage DUI

Protecting the rights of individuals under 21 charged with DUI.

Commercial Driver DUI

Offering defense for commercial drivers facing DUI allegations.

Our DUI Defense Services

When you choose diStefano & Mattingley for DUI defense, you gain access to a team skilled in:

Case Analysis

We thoroughly review the details of your DUI case to identify defenses and potential weaknesses in the prosecution’s case.


We gather evidence, review police reports, and interview witnesses to build a strong defense.


We engage in plea negotiations with the prosecution when it’s in your best interest.

Field Sobriety Tests

Tests: We scrutinize the administration and validity of field sobriety tests and breathalyzer results.

Trial Representation

We vigorously represent your interests in court if your DUI case proceeds to trial.

Why Choose diStefano & Mattingley, PLLP for Your Car Accident Case

Local Expertise

With a deep understanding of Montana’s DUI laws and local court procedures, we are well-equipped to handle your case.

DUI Specialization

Our attorneys specialize in DUI defense, ensuring you receive focused expertise.

Result Driven

We are dedicated to achieving the best possible outcome for your DUI case.

Contact Us

If you’re facing DUI charges, you need experienced legal representation on your side. Contact diStefano & Mattingley today for a free consultation. We’re here to protect your rights, provide expert DUI defense, and guide you through the legal process.

Our Expertise

Dedicated to fighting for positive results in the following areas:

Car Accidents

Dog Bite Injuries

Motorcycle Accidents

Bryan Distefano Mattingley PLLP - Attoneys At Law

Workers' Compensation

Wrongful Death and Survivorship

Bryan Distefano Mattingley PLLP - Attoneys At Law

Criminal Defense

DUI Defense

Construction Law

Wills and Estate Litigation

Get in touch

Call Us Today: 406-300-2343

423 1st Ave E., Suite B

Kalispell, MT 59901

P.O. Box 2341 Kalispell, MT 59903