DUI Defense

DUI lawyer Maricopa County defense from a former judge and prosecutor

DUI lawyer Maricopa County cases move fast through the Maricopa County Superior Court, municipal courts, and justice courts. You need someone who knows the Central Court Building, MCAO, and the local calendars. Call Oliverson Law at (480) 582-3637 before your first court date.

A DUI in Maricopa County can mean court, license trouble, jail time, and a record that follows you for years.


What can a DUI in Maricopa County really cost you?

The cost is bigger than the ticket. In Maricopa County, a DUI can bring fines, assessments, mandatory alcohol screening, ignition interlock, probation, jail time, and license suspension. If you are asking what a DUI lawyer costs, you should also ask what doing nothing will cost you in court, at work, and on your record.

Start with the court on your paperwork. A misdemeanor DUI usually stays in the municipal court or justice court where the stop happened, while a felony DUI goes to Maricopa County Superior Court and MCAO. That matters because the forum shapes the pace of the case, the hearings you must attend, and how fast penalties can stack up.

You should also think about lost time and stress. In Maricopa County, the countywide DUI workload is heavy, and courts are busy. That means you need a DUI attorney Arizona defense plan that is built for the exact court, not a generic script. If your case is in Phoenix Municipal Court, Scottsdale City Court, or a justice court precinct, your lawyer should be ready for that calendar and that judge.

Do not wait to see what happens. The sooner a DUI lawyer Arizona case review starts, the sooner someone can protect your license, your job, and your options. Oliverson Law is close to downtown Phoenix and appears across Maricopa County every week. That proximity helps when your case moves quickly.


How do the DUI penalties get worse for repeat or extreme cases in Maricopa County?

Take repeat and high BAC charges seriously. In Maricopa County, an Extreme DUI under ARS 28 1382(A)(1) brings increased mandatory jail exposure, higher fines and assessments, longer ignition interlock, alcohol screening and education, and probation terms. A Super Extreme DUI under ARS 28 1382(A)(2) raises the stakes even more.

If you are facing an aggravated DUI under ARS 28 1383, the case becomes a felony in Maricopa County Superior Court. The source facts list aggravated DUI examples such as a third DUI within 84 months, license suspended, or a child in the car. Felony consequences can include prison or probation with jail, plus fines, assessments, ignition interlock, screening, and license consequences.

You should not treat a repeat case like a routine misdemeanor. A DUI attorney Maricopa County defense has to look at the charging theory, the prior record, the court, and the local procedure. If MCAO files the case, the path through the Central Court Building at 201 W Jefferson St is different from a city court case in Phoenix or Scottsdale.

Penalties are statutory, but the fight is local. Your lawyer should challenge the stop, the testing, the lab records, and the filing decisions that turn one arrest into a harsher outcome. That is where a DUI attorney Arizona with real county court experience can make a difference.


Which court handles your Maricopa County DUI?

Read the citation and release paperwork first. That tells you whether your case is in a municipal court, a justice court precinct, or Maricopa County Superior Court. In Maricopa County, that choice changes everything, because the calendars, judges, and procedures are not the same across the county.

Misdemeanor DUI cases usually go to the court where the stop occurred. The source facts name Phoenix Municipal Court, Scottsdale City Court, and multiple justice court precincts spread across six physical locations. Felony DUI cases are prosecuted by MCAO and heard in Maricopa County Superior Court, with many downtown proceedings centralized at the Central Court Building at 201 W Jefferson St.

You should expect local practice to matter. A case on the calendar in Chandler, Gilbert, Peoria, Mesa, or Goodyear will not feel the same as one in downtown Phoenix. That is why a DUI lawyer Maricopa County defense must be built around the assigned forum, not just the charge name.

If you are unsure where to appear, do not guess. Call a criminal defense lawyer who works these courts every week. The wrong courtroom or a missed date can make a hard case worse fast.


How should a Maricopa County DUI be defended?

Start with the stop, the testing, and the court. Your defense should look at the traffic stop, the evidence, the agency reports, and the local filing path. In Maricopa County, that means checking how the case was handled by the arresting agency, whether the matter is in justice court, municipal court, or Superior Court, and what the prosecutor is relying on.

Pay close attention to the evidence. The source facts say calibration records and crime lab documentation used across the Phoenix metro are often litigated here. That is where a seasoned DUI attorney Arizona can push back. If the state cannot prove the test was handled right, the case may not be as strong as it looks on paper.

You should also protect your license early. A DUI case can affect your driver license quickly, and license suspension is one of the first things people feel in daily life. Ask about hearing deadlines, court settings, and what happens next before you miss something important.

Oliverson Law builds defenses around the actual courtroom you have, not the one you wish you had. That means preparing for MCAO in felony court when needed, or for the local city and justice court process when the charge is a misdemeanor. Good criminal defense is practical. It fits the facts, the judge, and the deadline.


What should you do right now after a DUI arrest in Maricopa County?

Do three things now. First, read every paper you were given. Second, write down the court, date, time, and location. Third, call a DUI lawyer before you try to handle it alone. If you are still trying to figure out how long a DUI stays on your record, or whether jail time is likely, you need advice that fits your exact charge and court.

Do not miss the first court date. In Maricopa County, cases move through busy municipal and justice court calendars, and felony matters move through Superior Court and MCAO. A missed appearance can create a bigger problem than the arrest itself. You need someone who can move quickly from Tempe into downtown Phoenix and across the county when needed.

Ask for help before you make statements to police, prosecutors, or the court. You do not need to explain your whole life to protect yourself. You need a plan that covers the court, the testing, your driver license, and the likely next hearing.

If you are looking for a DUI lawyer Arizona who knows this county, call now. Derek Oliverson and David Tangren bring courtroom experience that helps you make smart choices early. That is when the case is easiest to shape.


Why does a former judge and prosecutor matter in Maricopa County?

Because these cases are built around choices made by people in the system. Derek Oliverson has worked as a police officer, a prosecutor, and a judge. He served in Mohave County as a prosecutor, on the Page Magistrate Court bench, and later at Glendale City Court. He knows how reports get written, how offers get made, and how cases look from the bench.

That background matters in Maricopa County, where local court culture varies from the Central Court Building to city courts and justice courts. When your lawyer understands both the enforcement side and the judicial side, you get advice that matches what will actually happen in the courtroom.

David Tangren adds more prosecutorial perspective as a former prosecutor with the Pima County Attorney’s Office and a University of Arizona law graduate. Together, that experience helps the firm spot weak points in DUI cases, aggravated DUI charges, and broader criminal defense matters.

You should want someone who has seen the system from every angle. That is what a DUI attorney Maricopa County client needs when the charge can mean license suspension, jail time, and a record that follows you. Oliverson Law has been handling this work since 2009, and the team appears across Maricopa County courts every day.


What are the DUI penalties in Arizona?

ARS 28 1381(A)(1) impaired to the slightest degree

In Maricopa County, this usually goes to the municipal court or justice court where the stop occurred. The source facts list mandatory alcohol screening, jail exposure, fines and assessments, license consequences, ignition interlock, and probation.

ARS 28 1381(A)(2) per se DUI .08+ BAC

This is handled in the municipal or justice court in Maricopa County where you were cited. The source facts list mandatory screening, jail exposure with potential suspension of a portion upon compliance, fines and assessments, driver license impact, and ignition interlock.

ARS 28 1382(A)(1) Extreme DUI .15+ BAC

This case goes to the municipal or justice court in Maricopa County based on stop location. The source facts list increased mandatory jail exposure, higher fines and assessments, extended ignition interlock, alcohol screening and education, and probation terms.

ARS 28 1382(A)(2) Super Extreme DUI .20+ BAC

This is also heard in the municipal or justice court in Maricopa County where cited. The source facts list enhanced mandatory jail exposure, elevated fines and assessments, extended ignition interlock, and strict compliance monitoring.

ARS 28 1383 aggravated DUI

This is felony jurisdiction in Maricopa County Superior Court. The source facts list felony consequences, potential prison or probation with jail, fines and assessments, ignition interlock, mandatory screening, and license consequences.


Why Maricopa County clients choose Oliverson Law

Former judge insight

Derek Oliverson has been on all three sides of the system. He worked as a police officer, a prosecutor, and a judge, so he knows how reports get built and how cases are measured from the bench.

County court range

The firm handles Maricopa County Superior Court, justice courts, and municipal courts across the Phoenix metro. That matters because the forum changes the pace, the calendar, and the pressure on your case.

Prosecutor perspective

David Tangren adds real prosecutorial perspective as a former prosecutor with the Pima County Attorney’s Office. That helps when the state is pushing a DUI, aggravated DUI, or other criminal defense charge.

Close to downtown Phoenix

Oliverson Law is based in Tempe and is about 8 miles from the Central Court Building in downtown Phoenix. That makes it easier to move quickly on hearings, filings, and in person court work across Maricopa County.


Read What Our Clients Say


Questions people ask us

Check your citation and release paperwork first. Misdemeanor cases usually go to the municipal court or justice court where the stop happened, while felony DUI cases go to Maricopa County Superior Court and MCAO. The Central Court Building at 201 W Jefferson St handles many downtown felony proceedings.

License suspension can be part of a DUI case in Maricopa County. The source facts list license consequences for impaired, per se, extreme, super extreme, and aggravated DUI charges. You should act early because license issues can move faster than the criminal case.

That depends on the charge and the record you are talking about. The source facts do not give a time period, so you should ask a lawyer to look at your exact case, court, and prior history before you assume anything.

The source facts do not give a price. What matters most is what the case could cost you in fines, assessments, jail time, license consequences, ignition interlock, and missed work if you do not fight it well.

Yes. Aggravated DUI under ARS 28 1383 is a felony in Maricopa County Superior Court and is prosecuted by MCAO. The source facts list prison or probation with jail, fines and assessments, ignition interlock, mandatory screening, and license consequences, so you should get help right away.


Serving Maricopa County, Arizona

Oliverson Law defends DUI and criminal cases across Maricopa County, Maricopa County, and central Arizona. Pick your city below for local court details, or reach our Phoenix office directly.

Don’t see your city? Call (480) 582-3637. We defend clients across Maricopa County and central Arizona.


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Written by Derek Oliverson
Founding Attorney · Former Judge, Former Prosecutor & Former Police Officer · Defending Arizona since 2009

Derek Oliverson founded Oliverson Law in 2009 and has worked every side of an Arizona courtroom, as a judge, a prosecutor, and a police officer. With co-counsel David Tangren, a former Pima County prosecutor, the firm holds a 4.9 out of 5 rating from more than 150 client reviews. Call (480) 582-3637 for a free, confidential case review.

Talk to a Maricopa County DUI lawyer now

You do not have to face this alone. Call Oliverson Law at (480) 582-3637 and get clear advice before your next court date.

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