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First-Time DUI in Colorado? What to Expect

Home > Blog > First-Time DUI in Colorado? What to Expect

October 18, 2026 | By Price Criminal Defense
Our Denver driving under the influence defense attorneys answers, First-Time DUI in Colorado? and explains what to expect.
First-Time DUI in Colorado? What to Expect

Quick Answer: What Happens After Your First DUI in Colorado?

A first DUI in Colorado is generally a misdemeanor, but it can still carry significant criminal and driver's-license consequences. For a standard first DUI or DUI per se conviction, Colorado law generally provides for 5 to 364 days in jail, a $600 to $1,000 fine, 48 to 96 hours of useful public service, and up to two years of probation. The mandatory minimum jail time may be suspended when statutory alcohol and drug evaluation, education, and treatment requirements are satisfied. A BAC of 0.20 or higher triggers enhanced sentencing requirements, including a minimum of 10 consecutive days in jail. Separate from the criminal case, a DUI can trigger an administrative driver's-license proceeding through the Colorado Division of Motor Vehicles. A first DUI per se revocation generally carries a nine-month revocation, although eligible drivers may be able to obtain early reinstatement with an ignition interlock-restricted license. One of the most important things to understand after a DUI arrest is that the criminal case and DMV case are separate proceedings with different rules and deadlines.

Key Takeaways for a First DUI in Colorado

  • A first DUI or DUI per se offense in Colorado is generally a misdemeanor.
  • A standard first DUI carries 5 to 364 days in jail, a $600 to $1,000 fine, 48 to 96 hours of useful public service, and potentially up to two years of probation.
  • The five-day mandatory minimum jail sentence may be suspended when statutory alcohol evaluation and treatment requirements are satisfied.
  • A BAC of 0.20 or higher carries enhanced sentencing requirements, including at least 10 consecutive days in jail.
  • A DUI can trigger a separate DMV proceeding involving your driving privilege.
  • A first DUI per se revocation generally lasts nine months, although early interlock-restricted reinstatement may be available.
  • The frequently mentioned "seven-day DUI deadline" applies in certain DMV circumstances and should not be treated as a universal seven-day deadline for every DUI arrest.
  • Colorado generally does not permit DUI or DWAI convictions to be sealed under its ordinary conviction-sealing statute.

Here's Where to Start After a DUI Arrest in Colorado

After a DUI arrest, determine immediately what happened with your driver's license and what paperwork you received. Colorado DUI cases can involve two different proceedings. The criminal case determines whether you are guilty of DUI, DUI per se, DWAI, or another offense and what criminal sentence will be imposed if you are convicted. The DMV proceeding determines what happens to your Colorado driving privilege under the state's express-consent and driver's-license laws. Those proceedings are related, but they are not the same case. A result in criminal court does not necessarily determine what happens at the DMV, and vice versa.

Check Your DMV Paperwork Immediately

Do not assume everyone arrested for DUI has exactly seven days from the arrest to act. If your license was surrendered in connection with an express-consent proceeding, such as certain breath-test or refusal cases, Colorado DMV materials provide a seven-day period to request a hearing. Blood-test cases can follow a different timeline because the DMV may take action after receiving the test results and providing notice. The safest approach is to read the notice you actually received and determine the applicable deadline immediately. Also preserve all paperwork from the arrest and avoid unnecessary public discussion of the case.

Is a First DUI a Misdemeanor in Colorado?

Generally, yes. A first DUI or DUI per se offense is ordinarily a misdemeanor in Colorado. Colorado recognizes several different impaired-driving offenses, including DUI, DUI per se, and DWAI.

DUI

Under Colorado law, DUI generally means driving after consuming alcohol, drugs, or a combination of them to a degree that makes the person substantially incapable of exercising clear judgment, sufficient physical control, or due care in safely operating a vehicle. A DUI charge does not necessarily require proof of a particular BAC.

DUI Per Se

DUI per se is based on alcohol concentration. A person commits DUI per se when the person's BAC is 0.08 or more at the time of driving or within two hours after driving, as provided by Colorado law.

DWAI

DWAI stands for driving while ability impaired. Colorado defines DWAI in terms of impairment—not simply a particular BAC. It generally means alcohol, drugs, or a combination of them affected the driver to the slightest degree, making the person less able than ordinarily to exercise clear judgment, sufficient physical control, or due care. For alcohol cases, a BAC above 0.05 but below 0.08 gives rise to a statutory inference concerning DWAI. But a BAC between .05 and .079 is not itself the legal definition of DWAI.

What Are the Penalties for a First DUI in Colorado?

For a standard first DUI or DUI per se conviction, Colorado law generally provides:
Consequence First DUI/DUI Per Se
Jail 5 to 364 days
Fine $600 to $1,000
Useful public service 48 to 96 hours
Probation Court may impose up to 2 years
First DUI per se DMV revocation Generally 9 months
Alcohol evaluation/treatment May be required depending on the case and sentence
The court may suspend the ordinary five-day mandatory minimum jail sentence if the defendant satisfies the statutory requirements involving an alcohol and drug evaluation and the appropriate Level I or Level II program. What if Your BAC Was 0.20 or Higher? Colorado imposes additional sentencing requirements when a person convicted of DUI, DUI per se, or DWAI had a BAC of 0.20 or more at the time of driving or within two hours afterward. Among those requirements is a minimum jail sentence of 10 consecutive days. High BAC can also affect alcohol treatment, probation, and other requirements. Separately, a BAC of 0.15 or higher can cause the DMV to classify a driver as a persistent drunk driver, which can result in additional driver's-license and ignition-interlock requirements. Those are two different BAC thresholds with different legal consequences.

What Are the Penalties for a First DWAI?

A first DWAI carries lower statutory criminal penalties than a first DUI, but it is still a criminal offense. For a standard first DWAI conviction, Colorado law generally provides:
  • 2 to 180 days in jail;
  • A $200 to $500 fine;
  • 24 to 48 hours of useful public service; and
  • Other requirements depending on the circumstances.
A DWAI conviction also carries DMV points and can have consequences for employment, insurance, future impaired-driving cases, and other areas. Calling DWAI "just a lesser DUI" can therefore understate its potential consequences.

What Happens to Your License After a First DUI in Colorado?

The driver's-license side of a Colorado DUI can be complicated because different DMV consequences can arise from:
  • A BAC result of .08 or greater;
  • Refusing an express-consent chemical test;
  • A DUI conviction;
  • A high BAC;
  • Prior alcohol-related driving history; or
  • Combinations of those circumstances.
For a first DUI per se revocation, the revocation period is generally nine months. Colorado law now allows many eligible first-time drivers to seek early reinstatement with an ignition interlock-restricted license without first serving the old one-month waiting period. That is an important change from older Colorado DUI information that may still appear online. Eligibility and reinstatement requirements depend on the driver's individual record.

What About a Test Refusal?

Refusing an express-consent chemical test has separate DMV consequences and should not be treated as equivalent to an ordinary first .08-or-higher BAC revocation. A refusal can result in a longer revocation and additional ignition-interlock requirements. Because the consequences depend on the particular DMV action, review the actual notice rather than assuming the standard nine-month first-DUI rules apply.

How Long Do You Have to Request a Colorado DMV Hearing?

This is one of the areas where DUI websites often oversimplify Colorado law. There is not a universal rule that every person arrested for DUI has seven days from the arrest to request a hearing. Colorado DMV's express-consent materials provide that when a driver's license is surrendered at the time of the stop, the driver has seven days to request a hearing. A blood-test case may proceed differently because the DMV may not take administrative action until the blood results are received and notice is issued. The practical rule is simple: Read your DMV paperwork immediately and do not wait for your first criminal court date to address your driver's license.

Ignition Interlock After a First DUI

An ignition interlock device requires a driver to provide a breath sample before the vehicle will start and may require additional samples while driving. Colorado permits eligible drivers to use ignition interlock as part of early reinstatement following certain alcohol-related revocations. The required interlock period depends on factors including BAC, refusal, prior history, and the type of DMV restraint. For some first-time drivers with a BAC below .15, Colorado DMV materials provide an eight-month interlock period, with the possibility of early removal after qualifying clean interlock performance. A driver with a BAC of 0.15 or higher is treated differently and can face a two-year interlock requirement as a persistent drunk driver. A test refusal also carries different requirements. Because each driving record is unique, the exact reinstatement requirements should be confirmed with the DMV.

What Does a First DUI Actually Cost?

The statutory fine is only one potential expense associated with a DUI. Possible costs can include:
  • Court fine: Generally $600 to $1,000 for a first DUI;
  • Court assessments and surcharges;
  • Alcohol and drug evaluation fees;
  • Alcohol education or treatment costs;
  • DMV reinstatement fees;
  • Ignition interlock installation and monitoring costs, if required;
  • Insurance-related expenses;
  • Attorney fees, if private counsel is retained; and
  • Lost income or transportation costs associated with court, treatment, public service, or license restrictions.
The total varies substantially from person to person. For that reason, it is more accurate to identify the potential categories of expense than to claim that every or most first DUIs cost a particular five-figure amount.

Alcohol Education and Treatment After a First DUI

Colorado uses alcohol and drug evaluations to determine appropriate education and treatment requirements in DUI cases. Depending on the circumstances, the court may require a Level I or Level II alcohol and drug education or treatment program. The required program can depend on factors such as:
  • BAC;
  • Prior impaired-driving history;
  • Evaluation results;
  • The disposition of the case; and
  • Other statutory considerations.
Treatment can matter for more than sentencing. Completion or enrollment may also affect DMV reinstatement requirements in certain cases.

The First Few Months After a DUI in Colorado

There is no single timeline that applies to every DUI case, but the process commonly includes:
Stage What May Happen
Arrest / investigation Chemical testing or refusal issues arise; you may receive DMV paperwork
Immediately afterward Determine your license status and any DMV hearing deadline
First court appearance The criminal case formally begins or continues in court
DMV proceeding A separate hearing may address the administrative license action
Pretrial period Evidence is exchanged and reviewed; motions and negotiations may occur
Resolution Case may resolve through dismissal, reduction, plea agreement, or trial
The exact schedule depends on the court, evidence, DMV procedure, and individual case.

How Can a First DUI Affect Your Job and Record?

A DUI can create consequences beyond the criminal sentence and driver's-license revocation.

Criminal Background Checks

A DUI conviction can appear on criminal background checks.

Professional Licenses

Some licensed professionals may have reporting obligations or face review following certain criminal convictions. The rules depend on the profession and licensing authority.

Commercial Driver's Licenses

CDL holders are subject to separate state and federal rules, and alcohol-related driving conduct can have serious consequences for commercial driving privileges.

Immigration

Non-citizens should discuss the potential immigration consequences of any criminal disposition with qualified counsel before entering a plea.

International Travel

An impaired-driving conviction can create entry issues in some countries, including Canada, depending on the circumstances and applicable Canadian law.

Record Sealing

Colorado generally excludes DUI and DWAI convictions from its ordinary conviction-sealing process. That makes the long-term consequences of the final disposition particularly important.

Can a First DUI Be Reduced or Dismissed?

Potentially, but neither outcome is guaranteed. A DUI case can involve legal and factual issues concerning:
  • The basis for the traffic stop;
  • Whether the officer had probable cause;
  • Field sobriety testing;
  • Breath- or blood-testing procedures;
  • Chemical-test reliability;
  • Chain of custody;
  • Statements made to police;
  • Body-camera or dash-camera footage;
  • Whether the prosecution can prove the person was driving;
  • Whether the prosecution can prove impairment; and
  • Other constitutional or evidentiary issues.
A problem with one piece of evidence does not automatically require dismissal. But evidentiary weaknesses or legal problems can affect whether the prosecutor can prove the charge and can influence negotiations, motions, reductions, or dismissal.

Do You Need a Lawyer for a First DUI in Colorado?

Colorado does not require every person charged with DUI to hire a private attorney. But DUI cases can involve overlapping criminal, DMV, scientific, and procedural issues. A criminal defense lawyer can:
  • Review the legality of the stop and arrest;
  • Analyze body-camera and other video;
  • Review breath- or blood-test evidence;
  • Determine the applicable DMV deadline;
  • Request or handle a DMV hearing when appropriate;
  • Evaluate possible suppression issues;
  • Negotiate with the prosecutor;
  • Explain plea offers and potential consequences; and
  • Prepare the case for trial when necessary.
No attorney can ethically guarantee dismissal, reduction, or any other particular outcome. The goal is to identify the issues that can legitimately affect the case and make informed decisions based on the actual evidence.

FAQ: First DUI in Colorado

Will I Go to Jail for a First DUI in Colorado?

A standard first DUI or DUI per se conviction carries 5 to 364 days in jail. Colorado law allows the ordinary five-day mandatory minimum to be suspended when the statutory requirements involving alcohol and drug evaluation and the appropriate treatment or education program are satisfied. Different rules apply when BAC is 0.20 or higher, including a minimum of 10 consecutive days in jail.

How Long Will My License Be Revoked for a First DUI?

A first DUI per se administrative revocation generally lasts nine months. Eligible drivers may be able to seek early reinstatement with an ignition interlock-restricted license as soon as the revocation becomes effective. Refusals, high BAC, prior offenses, and other circumstances can produce different requirements.

Do I Always Have Seven Days to Request a DUI Hearing?

No. The seven-day rule applies in particular express-consent circumstances, including when the license is surrendered at the time of the stop. Blood-test cases may follow a different notice procedure. Always check the actual DMV notice you received rather than assuming your deadline runs seven days from the arrest.

Can I Drive to Work After a DUI Arrest?

It depends on the status of your driving privilege. Some drivers remain legally licensed while a DMV proceeding is pending. Others may face an active revocation and need to qualify for an interlock-restricted license before driving. Do not drive based simply on the assumption that a DUI arrest automatically allows or prohibits driving. Confirm your current license status and restrictions.

How Long Does a DUI Stay on Your Record in Colorado?

A DUI conviction remains part of your criminal history and generally is not eligible for sealing under Colorado's ordinary conviction-sealing law. The Colorado DMV separately maintains driving-history information under its own rules.

How Much Does a First DUI Cost in Colorado?

The statutory fine for a standard first DUI is generally $600 to $1,000. Additional expenses may include court assessments, alcohol evaluation and treatment, DMV reinstatement, ignition interlock, insurance-related expenses, transportation, lost work time, and attorney fees. The total varies significantly depending on the case.

Should I Plead Guilty to a First DUI?

A guilty plea can create significant criminal and driver's-license consequences. Before entering a plea, it is important to understand the evidence, potential defenses, proposed sentence, DMV consequences, and any collateral effects that may apply to you. A criminal defense lawyer can review the traffic stop, chemical testing, police reports, video, and other evidence before you decide how to proceed.

What Is the Difference Between DUI and DWAI?

Colorado defines DUI as impairment that makes a driver substantially incapable of exercising clear judgment, sufficient physical control, or due care in safely operating a vehicle. DWAI applies when alcohol or drugs affect the driver to the slightest degree, making the person less able than ordinarily to exercise those abilities. DUI per se is different: a BAC of 0.08 or higher at the time of driving or within two hours after driving constitutes the offense under Colorado law. For alcohol cases, a BAC above 0.05 but below 0.08 creates an inference concerning DWAI; it does not automatically define the offense.

Arrested for DUI in Denver?

A first DUI can create consequences in both criminal court and at the DMV, and the deadlines do not necessarily run together. The sooner the evidence and DMV paperwork are reviewed, the sooner you can understand what deadlines apply and what options may be available. Price Criminal Defense represents people facing DUI and other criminal charges in Denver and throughout Colorado. Contact the DUI defense attorney at Price Criminal Defense by calling (720) 615-7106 for a free consultation. Our calls are answered 24/7, and we represent clients throughout the Denver area from our office locations in Denver, Colorado.

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  • Assault
  • Criminal Defense
  • Criminal Mischief
  • Trespass Defense
  • Domestic Violence
  • Drug Possession
  • DUI/DWAI
  • Municipal Offenses
  • Shoplifting
  • Theft
  • Traffic Offenses
  • Violation of Protection Order
  • Weapons Charges

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Denver, CO 80246

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