How Do Mortgage Escrow Accounts, Shortages, and Surpluses Work?

Direct answer: A mortgage escrow account collects part of your property-tax, homeowners-insurance, and other eligible bills with each payment, then the servicer pays those expenses when due. The account is analyzed at least annually. Higher bills can create both a larger future monthly deposit and a temporary shortage repayment, while excess funds may produce a surplus refund.

What a mortgage escrow account pays

An escrow account, sometimes called an impound account, is a separate account the lender or mortgage servicer uses to pay specified property expenses on the homeowner’s behalf. The most common items are real estate taxes and homeowners insurance. Depending on the mortgage and property, escrow may also include mortgage insurance, flood insurance, ground rent, or another required charge.

Each monthly mortgage payment may therefore contain several pieces:

• principal;
• interest;
• property taxes;
• homeowners and, when required, flood insurance;
• mortgage insurance when applicable; and
• a shortage or deficiency repayment when one exists.

The servicer does not generally earn the escrow balance as income. It holds and disburses the money according to the account terms and servicing rules.

Why buyers fund escrow at closing

Escrowed bills are not usually due in equal monthly installments. A tax bill might be due semiannually, while an insurance premium may be paid once a year. The account needs enough money available on each expected due date even though the homeowner contributes monthly.

That timing is why a buyer may see an “Initial Escrow Payment at Closing” in addition to prepaid taxes or insurance. Prepaid items cover a bill or time period. Initial escrow deposits establish the account’s running balance for future bills. The number of months collected varies with the closing date, tax cycle, insurance renewal, first payment date, and permitted cushion.

For federally related mortgages covered by Regulation X, the servicer generally may collect one-twelfth of reasonably anticipated annual escrow disbursements each month. The permitted cushion is generally no more than two months of escrow payments, or one-sixth of estimated annual disbursements, unless state law or the mortgage documents require less.

How the annual escrow analysis works

The servicer projects the next computation year month by month. It adds expected monthly deposits, subtracts each anticipated tax, insurance, and other disbursement on its expected date, and determines the target balance needed to keep the account from falling below the allowed minimum.

Regulation X requires an analysis when the account is established and at the end of each escrow computation year. The annual statement must show the prior year’s account activity and the next year’s projection, including:

• the current mortgage payment and escrow portion;
• the prior year’s payment and escrow portion;
• total deposits and itemized disbursements;
• the ending balance;
• how a surplus will be handled;
• how a shortage or deficiency will be repaid; and
• why actual activity differed from the prior projection, when applicable.

Read both halves of the statement. The history explains what happened. The projection explains the new payment.

Shortage, deficiency, and surplus are different

A shortage does not necessarily mean anyone made a mistake. It often means the actual tax or insurance bills were higher than projected, or their timing required more money in the account than the previous analysis anticipated.

Why one change can raise the payment twice

This is the most important escrow concept. A higher bill can create:

1. an ongoing increase to collect enough for the next year’s larger expense; and
2. a temporary increase to repay the shortage created during the prior year.

Consider a simplified example. Annual property taxes rise by $600 and homeowners insurance rises by $300. The account now needs $900 more each year, so the ongoing escrow deposit increases by $75 per month.

Assume the annual analysis also identifies a $1,200 shortage and spreads it over 12 months. That adds another $100 per month temporarily. The total payment increase for the next year would be approximately $175 per month: $75 for the new bill level plus $100 to repay the shortage.

After the $1,200 is repaid, the $100 portion may end, but the $75 ongoing increase does not disappear unless the projected bills decrease. The next annual analysis could also identify new changes. This example is educational and excludes any cushion adjustment or other escrow item.

How escrow shortages may be repaid

Federal rules distinguish shortages smaller than one month’s escrow payment from larger shortages. For a shortage smaller than one month’s escrow payment, the servicer may leave it in place, require repayment within 30 days, or spread it over at least 12 months. For a shortage equal to or greater than one month’s escrow payment, the servicer may leave it in place or spread repayment over at least 12 months.

The CFPB explains that a servicer may accept a voluntary lump-sum payment even when the annual statement cannot present that as a required option. Before sending extra money, ask the servicer how it will be applied and request a revised payment calculation.

Paying the shortage in a lump sum usually removes only the shortage-repayment portion. It does not undo a payment increase caused by higher projected taxes or insurance. Ask for the payment with and without the shortage so the distinction is clear.

How escrow surpluses are handled

If the borrower is current and the annual analysis shows a surplus of at least $50, Regulation X generally requires the servicer to refund it within 30 days of the analysis. If the surplus is less than $50, the servicer may refund it or credit it against the next year’s escrow payments.

A refund is not always evidence that the account was overcharged. It may result from a lower-than-projected bill, a tax credit, an insurance change, a timing difference, or the annual recalculation. Before spending a large refund, compare the projection with the current tax and insurance bills. If the servicer used an outdated low estimate, the refund could be followed by another shortage later.

Why a fixed-rate mortgage payment can still change

On a standard fixed-rate mortgage, scheduled principal and interest do not change because market rates moved. The total amount drafted can still change because property-related costs are variable. Common causes include:

• a property-tax assessment or tax-rate change;
• the expiration of a homestead, senior, veteran, or other tax credit;
• a homeowners or flood-insurance premium change;
• replacement coverage or force-placed insurance;
• mortgage-insurance cancellation or termination;
• a shortage, deficiency, or surplus;
• a corrected bill or changed disbursement schedule; or
• a servicing transfer followed by a new or short-year analysis.

For Maryland homeowners, confirm that the property-tax record reflects the correct owner-occupancy and credit status. The lender or servicer does not determine the assessment or award tax credits; it generally collects from the bill supplied by the taxing authority.

How to audit an annual escrow statement

1. Compare every projected tax and insurance amount with the newest actual bill.
2. Confirm the expected payment month for each expense.
3. Separate the ongoing monthly escrow amount from any shortage repayment.
4. Check whether a tax credit, insurance change, or mortgage-insurance termination is reflected.
5. Review the account history for duplicate, missed, or incorrectly timed disbursements.
6. Confirm that the cushion does not exceed the permitted amount.
7. Keep the statement, tax bills, insurance declarations, and payment history together.

If the numbers do not reconcile, call the servicer and ask it to identify the exact bills, dates, balance target, and shortage calculation used. Request a new analysis when the servicer has materially incorrect current information.

What to do when taxes or insurance were not paid

Contact the servicer immediately. Also contact the tax authority or insurance carrier to confirm the amount due, deadline, and current status. The CFPB advises homeowners to send the servicer a copy of an unpaid tax bill with a written notice of error when appropriate.

Use the servicer’s designated address for notices of error or information requests, which may differ from the payment address. Keep copies and delivery proof. Do not ignore a cancellation notice, force-placed insurance notice, delinquent tax notice, tax-sale warning, foreclosure communication, or legal paper while the dispute is being reviewed. Qualified legal or housing-counseling help may be appropriate when the issue is urgent.

Plan for escrow before buying

Do not build a homebuying budget from principal and interest alone. Review the actual property-tax record, realistic homeowners and flood-insurance quotes, mortgage insurance, association charges, and likely escrow deposits. Ask whether a current tax bill contains seller-specific credits that may not transfer to you.

Dan’s homebuying budget guide, cash-to-close guide, PMI cancellation guide, and Path 2 Buy process provide the next planning steps.

Primary sources

• Consumer Financial Protection Bureau: Regulation X escrow-account requirements
• Consumer Financial Protection Bureau: Mortgage servicing and escrow FAQs
• Consumer Financial Protection Bureau: Limits on escrow collections
• Consumer Financial Protection Bureau: Resolving escrow-account problems

This article is educational and is not an escrow analysis, payment quote, approval, commitment to lend, servicing determination, or individualized legal, tax, credit, insurance, or financial advice. Escrow requirements, taxes, insurance, mortgage insurance, assessments, credits, servicing practices, and payment amounts vary and can change. Contact your servicer about an existing account and qualified professionals about legal or tax questions. All loans are subject to credit and property approval. Equal Housing Lender.