Statute of Limitations for Class C / Petty Misdemeanor in Colorado
6 min read
Published March 22, 2026 • By DocketMath Team
Overview
In Colorado, the statute of limitations (often shortened to “SOL”) sets a deadline for the state to file a criminal charge. For a Class C misdemeanor / petty offense—including conduct prosecuted as a petty misdemeanor under Colorado’s misdemeanor framework—the SOL determines whether a case can be initiated after a certain number of days or years.
For people using DocketMath’s statute-of-limitations calculator, the practical goal is straightforward: translate a case timeline (for example, the date of the alleged offense) into an actionable filing deadline estimate. This post focuses on Colorado’s rules for Class C / petty misdemeanor charges and the most common circumstances that can change timing.
Note: This page explains the limitations framework and common timeline effects. It’s not legal advice, and it can’t substitute for reviewing the specific charging documents and procedural history in a particular case.
Limitation period
The baseline SOL for Class C / petty misdemeanors in Colorado
Colorado generally provides that misdemeanors must be prosecuted within a specified period after the offense. For Class 3 misdemeanors—which correspond to what many people loosely describe as “Class C” or “petty misdemeanor” depending on context—Colorado uses a 12-month limitations period for prosecution.
In other words, if the alleged conduct occurred on a given date, the state typically must file the case within 1 year of that date, subject to exceptions discussed below.
How timelines affect the calculation (the “moving parts”)
Most SOL calculations come down to a few inputs. Even without getting into case-specific legal strategy, you can map the timeline as:
- Date of alleged offense (the starting point)
- Whether and when a case was filed or charged (the action that must occur by the deadline)
- Any events that pause (“toll”) the SOL or otherwise extend the clock
Because SOL rules can depend on procedural events, two cases with the same offense date can yield different practical deadlines if there were:
- warrant issuance and related events,
- delays attributable to defendants or other procedural reasons,
- or other statutory tolling triggers.
What counts as “prosecution filed” for deadline purposes
In SOL analysis, the relevant question is whether the state has taken the prosecutorial step required by Colorado law within the limitations period. In practice, this often ties to filing/initiating the case, such as issuance of charges or an arrest/warrant process linked to prosecution.
If you’re using DocketMath, your calculator output will reflect how limitations time runs from the offense date and how extensions or tolling adjustments are applied based on selected inputs.
Key exceptions
Colorado’s limitations clock isn’t always a simple “offense date + 12 months.” Several categories of circumstances can extend or affect the SOL calculation.
1) Tolling based on defendant-related events
Colorado law includes tolling mechanisms that can pause the limitations period when certain defendant-related circumstances exist. Common examples in misdemeanor practice can include situations like:
- the defendant being unavailable for prosecution,
- or procedural steps that effectively prevent the case from proceeding during certain periods
In DocketMath’s workflow, these typically appear as toggles or “timeline events” that you can include to see an adjusted deadline.
2) Continuances and delays tied to case activity
Delays can matter depending on why they occurred and how Colorado law characterizes them for tolling. For instance:
- delays driven by motions or scheduling may or may not be treated as tolling periods depending on statutory rules
- some procedural events can extend the period by statutory authorization
A key takeaway: not every delay automatically tolls, and the SOL clock can behave differently depending on the statutory trigger.
3) Changes in charges or classification
Sometimes, the charge that ultimately gets filed or amended may differ from the original characterization of the offense. That matters because the SOL can vary by offense class.
When you’re estimating a deadline:
- confirm the actual charged offense/class you care about,
- then select the corresponding category in DocketMath.
4) Multiple offenses and different alleged dates
If there are multiple alleged acts, the SOL may be tied to each act’s alleged date. Even when the same case includes several incidents, the “clock” can vary by count depending on what date supports each element.
Statute citation
Colorado’s misdemeanor limitations rule for misdemeanors—including Class 3 / petty misdemeanor concepts as commonly referenced—derives from:
- C.R.S. § 18-1-405(1) — establishes the time limits for commencing prosecution for offenses, including misdemeanors, with a 12-month period applicable to certain misdemeanor categories.
Tolling and adjustments are addressed in the same section and related Colorado provisions.
Because charging terminology can sometimes vary (for example, people may use “Class C” as a shorthand), ensure you map your offense to the statutory misdemeanor category used in C.R.S. § 18-1-405.
Use the calculator
DocketMath’s statute-of-limitations calculator is designed to turn timeline inputs into a deadline estimate you can work with immediately.
Step-by-step
- Open the calculator:
Go to /tools/statute-of-limitations. - Enter the offense date (the date the alleged conduct occurred).
- Select the offense category that matches the Colorado misdemeanor level you’re analyzing (targeting Class C / petty misdemeanor as used in this page).
- Add tolling/timeline adjustments if your situation includes statutory pause/extension events (for example, selecting relevant “timeline events” that reflect tolling triggers).
- Review the output:
- the baseline expiration date (offense date + limitations period),
- and any adjusted deadline if tolling was selected.
How outputs change with inputs
Use the checklist below to see how the calculator result typically responds:
Practical interpretation (without legal advice)
Once you have a deadline date, you can compare it to the case’s procedural timeline:
- If the case filing/charging action occurred after the computed expiration, that may suggest SOL issues exist.
- If it occurred before, the SOL clock likely wasn’t expired under the modeled scenario.
Warning: Procedural details can materially change the SOL calculation (especially tolling). Treat calculator outputs as a timeline estimate and cross-check against the actual filings and dates in the record.
Sources and references
Start with the primary authority for Colorado and confirm the effective date before relying on any output. If the rule has been amended, update the inputs and rerun the calculation.
Related reading
- Choosing the right statute of limitations tool for Vermont — Tool comparison
- Choosing the right statute of limitations tool for Connecticut — Tool comparison
