Promissory Note - Simple - Colorado
SIMPLE PROMISSORY NOTE — COLORADO
Before you use this: This form is for one unsecured private loan to an individual for personal or household use, excluding medical debt. The lender must not regularly make or arrange loans as a business. A regular lender or a loan with collateral, fees, or a different interest structure needs separate consumer-credit review. Complete the fixed rate and payment schedule before signing.
Date: [__/__/____]
Lender: [LENDER FULL LEGAL NAME], [ADDRESS]
Borrower: [BORROWER FULL LEGAL NAME], [ADDRESS]
Principal advanced: $[AMOUNT]
Advance date: [__/__/____]
Annual simple interest rate: [____]% (enter 0 for an interest-free loan; this form uses no rate above 8%)
Payment address or account: [________________________________]
Promise to pay
This Note becomes effective when Lender advances the principal to Borrower on the advance date recorded above. Borrower promises to repay only the amount actually advanced, plus interest calculated only on unpaid principal at the annual simple rate shown above until the obligation is paid. If no funds are advanced, Borrower owes nothing under this Note. Interest begins on the advance date. For each day, interest equals unpaid principal multiplied by the annual rate divided by 365 in an ordinary calendar year, or by 366 in a leap calendar year. Interest does not compound. No origination fee, late fee, default interest, or prepayment penalty is charged. The parties intend all amounts payable for making this loan to be shown here.
Payment schedule
Borrower will pay $[AMOUNT] first on [__/__/____] (choose a date after the advance from the 1st through the 28th), then on that same day of each following month until the final due date or earlier full payment. Each installment is limited to the unpaid principal and accrued interest then due. The entire remaining principal and accrued interest are due on [__/__/____] (on or after the first scheduled payment date). Payments apply first to accrued interest and then to principal. Borrower may pay early in whole or in part without penalty; a partial early payment does not postpone the next scheduled due date unless both parties sign a change.
Missed payment
If a payment is more than [____] days late, Lender may give Borrower written notice describing the missed amount. If Borrower does not pay it within [____] days after receiving the notice, Lender may declare the unpaid principal and accrued interest immediately due. No additional default charge applies. Lender may pursue payment through lawful remedies, subject to applicable limitation periods and collection law.
Other terms
This is an unsecured obligation. Any amendment must be in writing and signed by Borrower and Lender. Colorado law governs. Notices may be delivered personally or mailed to the addresses above, or to a replacement address given in writing. This note records the entire payment promise between these parties for this advance.
Borrower signature: ______________________________ Date: [__/__/____]
Printed name: [________________________________]
Lender acknowledgment of terms and advance: ______________________________ Date: [__/__/____]
Printed name: [________________________________]
Colorado law reference
Colo. Rev. Stat. § 5-1-301(15)(a) defines a consumer loan, in relevant part, by a lender regularly engaged in making loans; this form is for a one-off private transaction. Sections 5-12-101 and 5-12-103(1) supply the general interest framework; this form chooses a written fixed rate of 0–8% with no added charges, without treating 8% as a legal maximum. Section 13-80-103.5(1)(a) gives six years after accrual to sue to recover a liquidated or determinable debt. Section 5-12-102(4) governs interest on a resulting Colorado judgment; when a written instrument provides a specified rate until the obligation is paid, subsection (4)(a) uses that rate.
About this template
- Last updated
- September 30, 2026
- Citations checked
- October 2, 2026
- Jurisdiction
- Colorado
- Category
- Financial & Banking
Legal authority
- Colo. Rev. Stat. § 5-1-301(15)(a)
- Colo. Rev. Stat. § 5-12-101
- Colo. Rev. Stat. § 5-12-102(4)
- Colo. Rev. Stat. § 5-12-103(1)
- Colo. Rev. Stat. § 13-80-103.5(1)(a)
Financial and banking documents govern loans, security interests, account agreements, and commercial transactions between lenders, borrowers, and financial institutions. Promissory notes, guaranties, security agreements, and UCC filings have precise legal requirements, and mistakes can leave a lender unsecured or a borrower on the hook for more than they agreed to. Well-drafted finance paperwork protects both sides and keeps the deal enforceable if something goes wrong later.
Not legal advice
This template is provided for informational purposes. We recommend having an attorney review any legal document before signing, especially for high-value or complex matters.
Checked against the law it cites
A reviewer verified this template's legal citations against the official source on October 2, 2026.
Colo. Rev. Stat. § 5-1-301(15)(a) (checked October 2, 2026): "except with respect to a "loan primarily secured by an interest in land" as defined in subsection (26) of this section, "consumer loan" means a loan made or arranged by a person regularly engaged in the business of making loans in which:"
Colo. Rev. Stat. § 5-12-101 (checked October 2, 2026): "If there is no agreement or provision of law for a different rate, the interest on money shall be at the rate of eight percent per annum, compounded annually."
Colo. Rev. Stat. § 5-12-102(4)(a) (checked October 2, 2026): "At the rate specified in a contract or instrument in writing which provides for payment of interest at a specified rate until the obligation is paid; except that if the contract or instrument provides for a variable rate, at the rate in effect under the contract or instrument on the date judgment enters;"
Colo. Rev. Stat. § 5-12-103(1) (checked October 2, 2026): "The parties to any bond, bill, promissory note, or other instrument of writing may stipulate therein for the payment of a greater or higher rate of interest than eight percent per annum, but not exceeding forty-five percent per annum, and any such stipulation may be enforced in any court of competent jurisdiction in the state, except as otherwise provided in articles 1 to 6 of this title."
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