Statute of limitations on promissory notes in Colorado

Rule or statute summary

In Colorado, the statute of limitations (SOL) for collecting on a promissory note depends mainly on what legal theory is being used—for example, whether the claim is treated as a standard written contract matter or as an action involving negotiable instruments under UCC Article 3. In real disputes, the “right” SOL often turns on classification (contract vs. negotiable instrument) and on when the claim accrued (commonly at default or maturity, depending on the note terms and the pleadings).

DocketMath’s statute-of-limitations calculator helps you translate the key dates in your file into a deadline to work from. To get the most accurate output, you should enter (1) the note/claim framework and (2) the start date that best reflects when the lender’s claim is considered to have started running.

Typical SOL buckets in Colorado (high-level)

• Written contract / contract for payment: often 6 years under Colorado’s general limitations provisions for certain contract actions.
• Negotiable instruments / UCC-governed enforcement: often 5 years for certain actions related to enforcement of negotiable instruments under UCC Article 3 (as adopted by Colorado).

Practical takeaway: A single promissory note can lead to arguments about which SOL bucket applies. If you’re not sure, compare the deadlines produced by the two main frameworks and then align your chosen “start date” with the accrual theory your case is actually using.

Accrual (when the SOL starts)

SOL generally starts when the claim accrues—often when the borrower fails to pay according to the note (for example, at default or at maturity, depending on whether the note was accelerated). A common pitfall is choosing the wrong start date because the note may include an acceleration clause or other mechanics that change when the lender’s right to sue becomes effective.

DocketMath can’t determine your case’s contractual notice/acceleration mechanics by itself—it uses the start date you provide—but choosing that start date correctly is crucial.

Tolling and interruptions (why deadlines may change)

Even if you identify the correct base SOL, Colorado law can allow tolling or extensions in certain circumstances. The effect depends heavily on which statutory provision (or doctrine) applies to the specific events (e.g., certain acknowledgments, payments, or other legal occurrences). If you have reason to believe tolling applies, you should incorporate the correct “effective” start date in the calculator (or run scenarios using different plausible start dates).

Gentle disclaimer: This is an informational overview of common SOL frameworks and workflow. It is not legal advice. Accrual and tolling can be highly fact-specific.

Citations

Below are the Colorado statutory provisions that commonly drive the SOL analysis for promissory-note enforcement theories.

Use these sources to confirm the authoritative text before finalizing the calculation.

• Colo. Rev. Stat. § 13-80-101

If an assumption is uncertain, document it alongside the calculation so the result can be re-run later.

1) General limitations for certain contract actions (written contract framework)

Colorado’s general statute addressing actions “upon… written contract[s]” is located at:

• **Colo. Rev. Stat. § 13-80-103(1)

2) UCC Article 3 limitations for negotiable instruments (if applicable)

Colorado has adopted UCC Article 3 provisions for negotiable instruments, including a limitations period for certain enforcement actions on negotiable instruments:

• Colo. Rev. Stat. § 4-3-118

3) Accrual concept (when the claim accrues)

Colorado SOL analysis typically requires identifying the date the cause of action accrues—often tied to the first date the lender could sue (frequently maturity or default, and sometimes tied to acceleration mechanics). The exact accrual date can vary with the note’s terms and how the claim is pleaded.

Pitfall to watch: Some notes include optional acceleration. If acceleration requires notice (or otherwise isn’t automatic), accrual may occur later than the scheduled maturity date—depending on when acceleration became effective.

4) Tolling / extension (depends on the facts and the statute invoked)

Colorado also contains statutory tolling provisions in certain situations, which can change the effective deadline:

• Colo. Rev. Stat. § 13-81-101 et seq. (tolling and related provisions—application is fact- and event-dependent)

Use the calculator

You can use DocketMath’s statute-of-limitations calculator here: Use the calculator.

Run the Statute Of Limitations calculation in DocketMath, then save the output so it can be audited later: Open the calculator.

What inputs to enter

Use these inputs to match how the promissory-note dispute is being framed:

• Jurisdiction: Colorado (US-CO)
• Claim type / governing framework (choose the closest match):

  • Written contract action (commonly tied to Colo. Rev. Stat. § 13-80-103(1))
  • Negotiable instrument / UCC Article 3 action (commonly tied to Colo. Rev. Stat. § 4-3-118)
• Accrual / start date (the date your claim is considered to begin running):

  • Default date (if the note permits suit immediately upon default)
  • Maturity date (if the note is payable on a stated date and acceleration is not effective before that date)
  • Acceleration effective date (if acceleration is required/triggered by a mechanism and became effective on a later date)
• Event dates (optional), if your workflow includes them:

  • dates of payments or acknowledgments (if you believe they trigger interruption/tolling logic)
  • dates relevant to acceleration and any required notice (only to the extent you are entering the correct “effective” start date)

How outputs change when you change inputs

DocketMath’s deadline output typically changes based on two main variables:

1. Which SOL bucket you select

   • Choosing UCC Article 3 (often 5 years) vs. written contract (often 6 years) can shift the resulting deadline by roughly a year (depending on the effective start date).

2. Your accrual/start date

   • Even a difference of weeks or months (e.g., default vs. maturity, or maturity vs. acceleration effective date) can determine whether a filing falls within the SOL window.

Example workflow (illustrative)

• Assume a note matures on 2021-09-01.

  • If you enter 2021-09-01 as the start date:

    • a UCC Article 3-style run might yield a deadline around 2026-09-01
    • a written contract-style run might yield a deadline around 2027-09-01
• If, instead, you enter a different accrual start date (e.g., an earlier default date), both deadlines shift earlier accordingly.

Reminder: SOL deadlines can be affected by tolling events. DocketMath is best used as a planning tool; it does not replace accrual/tolling analysis for your specific set of facts.

Related reading

• Choosing the right statute of limitations tool for Vermont — How to choose the right calculator
• Statute of limitations in Singapore: how to estimate the deadline — Full how-to guide with jurisdiction-specific rules
• Choosing the right statute of limitations tool for Connecticut — How to choose the right calculator