Create Document - $7.99
How It Works States Document Types Tools Guides Blog About Create Document - $7.99

Iowa Installment Promissory Note

Create Iowa Installment Promissory Note - $7.99

Not a blank template - your details are filled in, formatted to Iowa law, and ready to sign.

Generate a legally conforming Installment Promissory Note for Iowa that incorporates all required terms under Iowa promissory note law. Fill in your loan details and download your completed, ready-to-sign Installment Promissory Note as a professional PDF.

Iowa law governs promissory notes with specific usury limits and enforcement rules that defends both lending party and debtor. The usury limit in Iowa is Floating cap published monthly by the Iowa Superintendent of Banking: 10-year Treasury average plus 2 points (6.25% for June 2026). Business and agricultural loans, and personal loans above the indexed threshold, may bear any agreed written rate. 5% legal rate absent a written contract.. Lenders have 6 years to file suit to collect on a promissory note in Iowa. Iowa law requires 4 specific elements in a valid promissory note.

Iowa Promissory Note Requirements

Max Interest Rate 6.25%
Rate Details Floating cap published monthly by the Iowa Superintendent of Banking: 10-year Treasury average plus 2 points (6.25% for June 2026). Business and agricultural loans, and personal loans above the indexed threshold, may bear any agreed written rate. 5% legal rate absent a written contract.
Usury Penalty Judgment is limited to the principal (all interest forfeited) plus a forfeiture of 8% per year of the unpaid principal payable to the state (Iowa Code 535.5)
Statute of Limitations 6 years
Notarization Recommended
Witnesses Recommended (1)
Governing Agency Iowa District Courts
Required Elements Written agreement signed by borrower; Payment schedule; Interest rate disclosure; Late fee terms

Iowa Installment Promissory Note Signing Checklist

Print this or save it as a PDF and use it at the signing. Review every item before any party puts pen to paper.

Before you sign

  • Both the lender and borrower read the full note before signing.
  • Confirm the principal amount, interest rate, and repayment terms match what was agreed.
  • Confirm any late fee amount and grace period are correct.
  • The lender keeps the original signed note in a safe place.
  • Each party keeps a signed copy for their own records.

Iowa rules to know

  • Keep the interest rate at or below Iowa's usury cap of 6.25% per year (Floating cap published monthly by the Iowa Superintendent of Banking: 10-year Treasury average plus 2 points (6.25% for June 2026). Business and agricultural loans, and personal loans above the indexed threshold, may bear any agreed written rate. 5% legal rate absent a written contract.).
  • Notarization is not required in Iowa but is strongly recommended. A notarized note is self-authenticating in court and harder to dispute.
  • 1 witness is recommended in Iowa even though not legally required.
  • In Iowa, the lender has 6 years from the date of default to file suit to collect on the note.

In the note itself

  • Borrower's full legal name and current address.
  • Lender's full legal name and current address.
  • Principal loan amount written out in both numbers and words.
  • Annual interest rate (expressed as a percentage).
  • Maturity date (the date by which the full balance must be repaid).
  • Complete payment schedule: number of payments, amount of each payment, and due dates.
  • Late fee amount and grace period, if any.
  • Signatures of both parties (and witnesses if required).
  • How each payment is applied to principal and interest (amortization method).
  • Whether a balloon payment is due at the end, and the amount if so.

This checklist is a reference aid only. Consult an attorney for advice specific to your situation. Usury and enforcement rules for Iowa may change; verify current rates before signing.

What to Include in a Iowa Installment Promissory Note

Every Installment Promissory Note in Iowa should include the following vital provisions: the full legal names and addresses of both the note holder and borrower, the principal loan amount, the interest rate (which must not exceed Floating cap published monthly by the Iowa Superintendent of Banking: 10-year Treasury average plus 2 points (6.25% for June 2026). Business and agricultural loans, and personal loans above the indexed threshold, may bear any agreed written rate. 5% legal rate absent a written contract. under Iowa law), the repayment schedule and due dates, any late payment penalties, the consequences of default, and the governing law clause. An installment note must include the complete payment schedule - the number of payments, the amount of each payment, the payment due date, and how each payment is applied to principal and interest.

Iowa requires the following elements in a valid promissory note: written agreement signed by borrower, payment schedule, interest rate disclosure, late fee terms.

How to Complete a Iowa Installment Promissory Note

To complete a Installment Promissory Note in Iowa, start by gathering the necessary information: the full legal names and addresses of both parties, the loan amount, the agreed-upon interest rate (must be at or below Floating cap published monthly by the Iowa Superintendent of Banking: 10-year Treasury average plus 2 points (6.25% for June 2026). Business and agricultural loans, and personal loans above the indexed threshold, may bear any agreed written rate. 5% legal rate absent a written contract. in Iowa), the repayment terms, and any collateral details if applicable.

Our platform walks you through each section with a guided form tailored to Iowa requirements. Once you have filled in all details, you can preview the document, choose from five professional document styles, and download your completed Installment Promissory Note as a PDF.

Frequently Asked Questions

What is the maximum interest rate for a promissory note in Iowa?
Iowa caps interest at Floating cap published monthly by the Iowa Superintendent of Banking: 10-year Treasury average plus 2 points (6.25% for June 2026). Business and agricultural loans, and personal loans above the indexed threshold, may bear any agreed written rate. 5% legal rate absent a written contract.. Charging above the legal limit is usury - in Iowa, the penalty is: judgment is limited to the principal (all interest forfeited) plus a forfeiture of 8% per year of the unpaid principal payable to the state (iowa code 535.5). Always confirm the current rate with an attorney, as usury laws can change.
Do I need a notary for a promissory note in Iowa?
Notarization is not required in Iowa for a promissory note to be legally valid. Notarizing it anyway is strongly recommended - it deters forgery claims, simplifies court enforcement, and makes the note self-authenticating as evidence. Having 1 witness is also recommended.
What happens if a borrower defaults on a promissory note in Iowa?
Upon default, the lender may demand immediate repayment of the full outstanding balance, charge any default interest rate specified in the note, and file suit in Iowa court. Lenders have 6 years from the date of default to file a lawsuit under Iowa's statute of limitations for written contracts.
What happens if a borrower misses an installment payment in Iowa?
If the borrower misses a payment, the lender can charge any late fee stated in the note and, if the note includes an acceleration clause, demand the full remaining balance immediately. Without an acceleration clause, the lender can only sue for the missed payment(s). Lenders have 6 years to file suit for each missed payment or from the acceleration date.
What must an installment promissory note include?
An installment promissory note must include the full payment schedule - the number of payments, the amount of each payment, due dates, and how each payment is applied to principal and interest (amortization). It should also specify any balloon payment, prepayment rights, late fees, grace period, and what constitutes default. A clear amortization schedule prevents disputes about outstanding balances.
What must be included in a Iowa Installment Promissory Note?
A valid Installment Promissory Note in Iowa must include: Written agreement signed by borrower; Payment schedule; Interest rate disclosure; Late fee terms. Our platform automatically includes all required elements formatted to Iowa standards.

Ready to Create Your Iowa Installment Promissory Note?

State-compliant interest rate limits, all required terms, and professional formatting included. Download your PDF instantly.

Create Iowa Installment Promissory Note - $7.99
Usury-compliant rates State-specific provisions Instant PDF download