ARM reset preparation guide
What to check before an adjustable-rate mortgage resets
Use your ARM note, disclosures, and rate-change notice to check reset timing, index, margin, caps, payment recalculation, and the first new payment.
Short answer: what should I check before my ARM resets?
Read your note and ARM disclosures, then compare them with the servicer's rate-change notice. Confirm the adjustment date and frequency, index and margin, rate caps and any floor, whether the payment changes at the same time, the new principal-and-interest payment, and its first due date. These terms vary by loan. Reviewed November 5, 2026. This checklist is general education, not a payment quote or personalized financial advice.
How do I find the rate that may apply at the next adjustment?
The loan's index and margin are used to determine the rate at an adjustment, subject to the contract's caps and other terms. The index may change over time; the margin and adjustment rules are in the loan documents. Use the index value and lookback date specified by your contract, then apply the margin and caps as written. Do not substitute a current online index value unless the contract uses that value and date. Ask the servicer to explain its calculation if you cannot reproduce it.
Which dates should I compare in the notice and my loan documents?
Check when the rate adjusts, when a changed payment becomes effective, and when the first payment at that amount is due. Those dates are not interchangeable. CFPB says a first-reset payment estimate is generally sent seven to eight months before the first payment at the new rate is due; after an ARM has reset once, a payment-change notice is generally sent two to four months beforehand. Compare the notice dates with your contract and contact the servicer if they do not line up.
How do rate caps and a floor affect a reset?
A per-adjustment cap limits a rate change at one adjustment; a lifetime cap limits the total change over the loan, and a floor can prevent the rate from moving below a stated level. The actual order and wording are contract-specific. Check the initial, periodic, and lifetime terms in your note and disclosures. Do not assume a payment cap is the same as a rate cap: if a payment is constrained below interest due, a loan with applicable terms could allow its balance to grow.
Why could my servicer's payment differ from an online estimate?
A simple estimate may use a different balance, effective date, rate, remaining term, rounding method, or payment-recalculation rule. It may also omit payment caps, escrow, taxes, insurance, fees, or servicer-specific contract terms. Check the notice's current and new rates, current and new payments, and first due date. Ask the servicer to identify the balance and calculation assumptions used. The schedule calculator linked below models entered principal-and-interest assumptions only; it does not validate a notice.
What can I do if the new payment may not fit my budget?
Use the notice's payment and due date to update a cash-flow plan, then contact your servicer promptly to ask about the loan terms and available options. CFPB's first-reset notice guidance points borrowers to budgeting, shopping for another home loan, and HUD-approved housing counseling as possible next steps. This guide cannot determine which option is suitable or whether you qualify.
Sources
- CFPB: Adjustable-rate mortgages (ARM booklet and official resources; checked November 5, 2026)
- CFPB: ARM contract fine print (last reviewed February 2, 2024; checked November 5, 2026)
- CFPB: ARM rate-change notice timing and next steps (last reviewed February 2, 2024; checked November 5, 2026)
- CFPB: ARM index and margin (last reviewed April 3, 2024; checked November 5, 2026)