Three roles, often three different companies. The lender originated the loan. The owner or investor holds the note now, which after securitization is usually a trust rather than a bank. The servicer administers it. A borrower interacts only with the third, which is why the name on the statement changes while the loan does not.
There is a further split inside servicing itself that explains a great deal of otherwise baffling correspondence. 12 CFR 1024.31 defines a master servicer as "the owner of the right to perform servicing," which "may perform the servicing itself or do so through a subservicer," and a subservicer as "a servicer that does not own the right to perform servicing, but that performs servicing on behalf of the master servicer." So the company answering the phone may be a subservicer, the company that owns the servicing right may be someone else, and the company that owns the loan is a third party again. Regulation X also names the two sides of a transfer: the transferor servicer transfers the right to service, and the transferee servicer obtains it.
The transfer rules are the part most worth knowing, because the transfer is where borrowers lose money. Under 12 CFR 1024.33(b)(3)(i), the transferor servicer must provide notice of transfer to the borrower "not less than 15 days before the effective date of the transfer," and the transferee servicer must provide its notice "not more than 15 days after the effective date." A single combined notice is permitted, and must then come at least 15 days before. The window stretches to 30 days after the transfer in four situations: the servicing contract was terminated for cause, or the servicer entered bankruptcy, or the Federal Deposit Insurance Corporation began conservatorship or receivership proceedings, or the National Credit Union Administration began proceedings to appoint a conservator or liquidating agent.
12 CFR 1024.33(b)(4) prescribes what the notice must contain, and two items are worth reading rather than filing: the date the old servicer stops accepting payments and the date the new one starts, which "shall either be the same or consecutive days," and whether the transfer affects any optional mortgage life or disability insurance and what the borrower must do to keep it. The notice must also state that the transfer changes no term of the loan other than terms directly related to servicing.
The 60-day protection is the safety net underneath all of that. 12 CFR 1024.33(c)(1) provides that during the 60-day period beginning on the effective date of transfer, if the transferor servicer receives a payment on or before the applicable due date, including any grace period in the loan documents, "a payment may not be treated as late for any purpose." That covers the common failure, which is a borrower whose automatic payment still points at the old company. It does not cover a payment that was late on its own terms, and it does not run forever, so the practical response to a transfer notice is to redirect the payment immediately and treat the 60 days as a grace period rather than a plan.
Some changes are not transfers at all. Under 12 CFR 1024.33(b)(2)(i), a transfer between affiliates, a transfer resulting from a merger or acquisition of servicers or subservicers, and a change of master servicer that does not change the subservicer are not treated as transfers requiring notice, provided there is no change in the payee, the address for payment, the account number, or the amount due. Which is why a borrower can see a new corporate name on the statement with no notice and nothing having legally changed.
Written complaints have deadlines the servicer must meet. 12 CFR 1024.35 governs a notice of error. The servicer must acknowledge receipt in writing within 5 business days, and must then either correct the error and notify the borrower, or conduct a reasonable investigation and give the borrower a written statement of its determination, the reasons for it, and how to request the documents it relied on. The general deadline for that response is 30 business days, shortened to 7 business days for an error in providing an accurate payoff balance, and shortened for errors concerning foreclosure to the earlier of 30 business days or the date of the foreclosure sale. If during the investigation the servicer finds other errors, it must correct those too. 12 CFR 1024.36 runs a parallel process for requests for information. Sending a written notice of error, rather than calling, is what starts these clocks.
The structural point worth carrying away. A servicer is generally paid a fee out of the payment stream, so its economics turn on cost per loan rather than on the loan performing well or the borrower being satisfied. It does not own the loan, so it cannot simply forgive part of it, and its authority over loss mitigation is bounded by what the owner of the loan permits. That explains both the good news and the bad: a servicer that seems unable to make a decision often genuinely cannot, and the rules above exist precisely because the borrower has no ability to choose or fire the company on the other end of the phone.