A RESPA letter is a written request that forces your mortgage servicer, under the Real Estate Settlement Procedures Act and Regulation X, to either investigate an error on your loan account or hand over specific information about it within federally set deadlines. It comes in two flavors: a Notice of Error, which challenges something the servicer did wrong, and a Request for Information, which demands documents or account details. Send a valid one, and the servicer has legal duties. Ignore those duties, and the servicer owes you money.
The Two Types of RESPA Letters
Federal law at 12 U.S.C. § 2605 created the concept of a “Qualified Written Request.” Regulation X, at 12 CFR Part 1024, splits that concept into two procedures with their own rules.
A Notice of Error is what you send when your servicer got something wrong. Regulation X lists eleven categories of covered errors, and they cover most of what goes wrong in mortgage servicing:
- Misapplying a payment among principal, interest, and escrow
- Failing to credit a payment as of the date it was received
- Failing to pay taxes, insurance, or other escrow items on time, or failing to refund an escrow surplus
- Charging a fee with no reasonable basis, like a late fee on a payment that wasn’t late
- Providing an inaccurate payoff balance
- Giving you bad information about foreclosure alternatives or foreclosure itself
- Failing to send accurate account information to a new servicer during a transfer
- Filing the first foreclosure notice or moving for a sale in violation of federal loss mitigation rules
- Any other servicing error — a catch-all that captures problems not spelled out above
That last item matters. If your issue doesn’t fit a named category, you can still assert it as a servicing error.
A Request for Information is what you send when you need documents or data the servicer hasn’t provided. Common uses: a complete payment history, a breakdown of escrow transactions, the identity of the entity that actually owns your loan, or documents from a loan modification file. You don’t have to allege anything went wrong. The servicer must produce the information or explain in writing why it can’t.
One letter can do both jobs if it asserts an error and asks for related documents. The servicer is required to look at the substance of what you wrote, not just the label.
What Your Letter Must Contain
A letter only triggers the servicer’s legal obligations if it meets specific content and delivery requirements. Miss one and the servicer has grounds to treat your letter as ordinary mail.
Include your name and your loan number so the servicer can identify the account. Describe the specific error or the specific information you want. Vague complaints don’t qualify. “My account has problems” gives the servicer grounds to reject the letter as overbroad. “My February 2026 payment of $1,842 was applied to fees instead of principal and interest” does not.
Send it to the right address. Servicers are allowed to designate a specific address for Notices of Error and Requests for Information, and that address is often different from where you mail payments. If the servicer has designated an address and you send your letter somewhere else, it may not count as a valid request. Check your monthly statement, the servicer’s website, or any prior correspondence about where to direct disputes.
Nothing in the regulation requires certified mail, but there’s no practical substitute for proof of delivery. Certified mail with a return receipt typically costs under $11. If the dispute ends up in court, that receipt is what proves when the deadlines started running.
Deadlines the Servicer Has to Meet
Once your servicer receives a valid Notice of Error, the clock starts. The servicer must send written acknowledgment within five business days. It then has to investigate and send a full written response by a deadline that depends on what you raised.
For most errors, the response is due within 30 business days. For payoff balance errors, it’s seven business days. For errors involving an improper foreclosure filing or scheduled sale, it’s 30 business days or before the sale date, whichever comes first.
The servicer can extend the 30-day general deadline by 15 additional business days, but only if it tells you in writing before the original deadline expires and explains why. No extension is available for payoff or foreclosure errors.
The final response must do one of two things: correct the error and tell you what was fixed and when, or explain why the servicer concluded no error occurred, including the reasons and how you can get the documents it relied on. If the investigation turns up additional errors you didn’t identify, the servicer has to fix those too and tell you about them.
The 60-Day Credit Reporting Shield
This protection is easy to overlook. For 60 days after your servicer receives a Notice of Error, it cannot report negative information to the credit bureaus about any payment that is the subject of your dispute. The shield applies whether or not the servicer ultimately finds an error. A disputed late payment can’t tank your credit score while the investigation runs.
When a Servicer Can Refuse to Investigate
Regulation X lets a servicer decline to follow the standard process in a handful of situations. Knowing them prevents wasted effort.
- Duplicative requests. If you already sent the same claim and got a full response, the servicer doesn’t have to redo the work. This exception disappears if you provide new and material information that could change the result.
- Overbroad or vague submissions. If the servicer can’t reasonably tell what error you’re asserting or what information you want, it can decline. If part of the letter is clear and part isn’t, the servicer still has to address the clear part.
- Untimely requests. Sent more than one year after servicing transferred to a different company or after the loan was paid off, the letter can be refused.
- Non-servicing errors. Complaints about how the loan was originated, underwritten, or securitized fall outside this process. The tool addresses servicing, not origination.
Even when refusing, the servicer must notify you in writing within five business days and explain the basis.
What You Can Recover If the Servicer Fails to Comply
A servicer that ignores your letter or mishandles the response faces liability under 12 U.S.C. § 2605(f). There are three components.
Actual damages. The real financial harm the noncompliance caused you. Late fees the servicer wouldn’t fix, a credit score drop that pushed up the rate on another loan, expenses you spent trying to sort things out yourself. All recoverable if you can trace them to the violation.
Statutory damages up to $2,000. Available if you can show the servicer engaged in a pattern or practice of noncompliance. A single mistake usually won’t meet that bar, but a servicer that routinely stonewalls RESPA letters is exposed.
Attorney’s fees and court costs. This is what makes the statute practical for one borrower with one dispute. Without fee-shifting, hiring a lawyer would usually cost more than the damages, and servicers would have little reason to comply. With it, a servicer that ignores a valid letter risks paying your legal bill.
You have three years from the date of the violation to file suit in federal or state court. After that, the claim is time-barred no matter how strong it is.
Which Loans and Borrowers Are Covered
RESPA applies to “federally related mortgage loans,” which covers almost all residential mortgages. Several categories are exempt, and the letter process doesn’t work for them:
- Loans made primarily for business, commercial, or agricultural purposes
- Loans secured by vacant land, unless a home will be built or placed on it within two years using the loan proceeds
- Temporary financing such as construction loans and bridge loans, though residential construction loans with terms of two years or more may still be covered
- Conversions of an existing mortgage to different terms, if the new terms are consistent with the original loan agreement and no new note is required
If you inherited a home with a mortgage, got one through a divorce, or otherwise became responsible for a property with an existing loan, you may qualify as a “successor in interest.” Once the servicer confirms that status, Regulation X treats you as a borrower for servicing purposes. You can send Notices of Error and Requests for Information with the same rights as the original borrower, and the servicer cannot require you to formally assume the loan first.
Filing a CFPB Complaint Alongside Your Letter
A lawsuit isn’t your only pressure point. The Consumer Financial Protection Bureau accepts complaints against mortgage servicers and forwards them to the company, which generally has to respond within 15 days. A CFPB complaint doesn’t replace the formal RESPA process, but it creates a parallel record and sometimes gets results faster. Submit one at consumerfinance.gov or by phone at (855) 411-2372. Attaching your original letter and any response, or documenting that no response came, makes the complaint stronger.