Mortgage Late Fee Rules: What Federal Law Limits

Published by the Modern Lending Solutions editorial team. Last reviewed: October 30, 2026.

Short answer: the amount of a mortgage late fee and any grace period come from the loan documents you signed. Federal rules add limits on top: a servicer may not charge a new late fee on an on-time payment only because an earlier late fee is unpaid, a high-cost mortgage has a cap of 4 percent of the past-due payment and a 15-day wait, and the fee must be shown on your loan disclosures and periodic statement. This page covers federal law only; other rules may apply where you live. It is general information, not legal or financial advice.

The fee comes from your loan documents

The CFPB says late fees can be charged only in the amount authorized by the mortgage documents you signed, that other laws may also limit the amount, and that you can find the late fee on page 3 of the Loan Estimate and page 4 of the Closing Disclosure (CFPB: late fees on a mortgage, last reviewed April 3, 2024, read October 30, 2026; this page may be out of date). Whether you have a grace period, and how long it is, is set by your note. For how grace periods and late fees work on loans in general, see loan grace periods and late fees.

Where the late fee is disclosed

Document	What it must show	Rule
Loan Estimate	Any late payment charge, as a dollar amount or a percentage of the late payment, and the number of days a payment must be late to trigger it, labeled Late Payment	12 CFR 1026.37(m)(4)
Closing Disclosure	The same information, under the subheading Late Payment	12 CFR 1026.38(l)(3)
Periodic statement, top of the first page	The payment due date, the amount of any late fee, and the date it will be charged if payment has not been received	12 CFR 1026.41(d)(1)
Periodic statement, first page	Payments since the last statement, broken down into principal, interest, escrow, fees and charges, and any suspense account	12 CFR 1026.41(d)(3)
Periodic statement, activity list	Each transaction since the last statement, with a late fee shown by its date, amount and the fact that a late fee was charged	12 CFR 1026.41(d)(4); comment 41(d)(4)-2

Sources: 12 CFR 1026.37, 12 CFR 1026.38, 12 CFR 1026.41 and the official comments in Supplement I (eCFR, text up to date as of October 28, 2026, read October 30, 2026). Some loans are exempt from the periodic statement rule, including reverse mortgages and loans handled by a small servicer (1026.41(e)). See your mortgage periodic statement explained.

No stacking of late fees

For a closed-end loan secured by your principal dwelling, a servicer may not charge a late fee on a payment if the only reason for the fee is that you did not pay a late fee on an earlier payment, and the payment is otherwise a full periodic payment received on the due date or within any courtesy period (12 CFR 1026.36(c)(2), eCFR). The official comments say this ban should be read consistently with a Federal Trade Commission rule on credit practices, 16 CFR 444.4 (comment 36(c)(2)-1).

The comments to the high-cost rule give an example, used here only for the math, with example amounts and dates (comment 34(a)(8)(iii)-1):

Event	Example
Regular payment due on the 1st of each month	$500
August payment made on August 25; late fee charged	$10
September payment of $500 made on September 1, late fee still unpaid	A full, on-time payment
May the servicer take $10 of the September payment for the old fee and call September late?	No

The old fee can still be owed; the rule stops it from making later on-time payments late. Payments must also be credited as of the day they are received; see mortgage payment crediting rules.

Extra limits on high-cost mortgages

For a high-cost mortgage, a late charge must be specifically allowed by the loan contract, may not exceed 4 percent of the amount of the payment past due, and may be charged only once for a single late payment. It may be charged only if the payment is not received by the end of the 15-day period beginning on the due date, or a 30-day period if interest on each installment is paid in advance (12 CFR 1026.34(a)(8)(i)-(ii), eCFR). The same section bans stacking late fees (1026.34(a)(8)(iii)). Whether a loan is high-cost depends on tests in 12 CFR 1026.32; see high-cost home loan protections.

This example is only for the math, with an example payment and date, counting the due date as day 1.

Item	Example
Payment past due	$1,800
Highest late charge at 4%	$1,800 × 4% = $72
Due date	June 1, 2027
Last day of the 15-day period	June 15, 2027
Earliest date a late charge may be imposed if the payment has not arrived	June 16, 2027

These two limits apply to high-cost mortgages; for other loans, the note sets the fee and the grace period.

If you are charged a late fee

Questions to ask the servicer:

What date did you receive and credit my payment?
What late fee and grace period does my note set?
Is this fee charged only because an earlier late fee is unpaid?
Is my loan a high-cost mortgage?
Can you send me a written payment history showing each fee?

If you believe a fee is wrong, you can send the servicer a written notice of error; see how to send a mortgage servicer a notice of error. You can submit a complaint at consumerfinance.gov/complaint.

Checklist

Find the late fee and the number of days on your Loan Estimate and Closing Disclosure.
Check the late fee amount and date at the top of each periodic statement.
Pay early enough that the servicer receives the payment by the due date or within the grace period.
Look for late fees in the transaction list on each statement.
Keep proof of when you sent each payment.

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Sources

Disclosure: Modern Lending Solutions is not a lender, loan broker or agent for any lender or loan broker, and does not make credit decisions. Any compensation we receive is paid by participating lenders, only for advertising services. This guide is general information, not financial or legal advice.

Mortgage Late Fees: The Federal Rules