Mortgage Escrow Account Explained: Why Your Payment Changes

By the HomeAffordLab team · Last updated October 27, 2026

A mortgage escrow account is where your loan servicer collects money for your property taxes and homeowners insurance each month, then pays those bills for you when they’re due. On a $400,000 home with 1.0% property tax and $2,450 a year in insurance, that’s about $538 a month on top of principal and interest.

Escrow is also why your mortgage payment can change even with a fixed-rate loan. When taxes or insurance go up, your servicer raises the escrow part of your payment after its yearly review. This guide explains how escrow works, the federal rules on cushions and refunds, and what to do when your payment jumps.

Key takeaways

  • Escrow covers property taxes and homeowners insurance, and sometimes mortgage insurance and flood insurance.
  • Federal rules cap the extra cushion a servicer can hold at one-sixth of your yearly escrow bills, about two months.
  • Servicers review your account once a year. A surplus of $50 or more must be refunded within 30 days.
  • Shortages from higher taxes or insurance are usually spread over 12 months, which can raise your payment twice: once for the new costs and once to repay the shortage.

In this guide: How escrow works · Example · The annual escrow analysis · Escrow shortages · Can you skip escrow? · How to lower the escrow part of your payment · FAQ

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Your full monthly payment: principal, interest, property tax, homeowners insurance, PMI or FHA mortgage insurance, and HOA dues.

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Loan balance and what you pay over time

Each year’s principal and interest, and the balance left at year end.

Principal paidInterest paidLoan balance (right axis)
Year-by-year amortization table
YearPrincipalInterestBalance
Estimates only. Conventional PMI is assumed to end when the scheduled balance reaches 78% of the home’s original value, as the Homeowners Protection Act requires. FHA includes a 1.75% upfront premium financed into the loan and an annual premium that lasts 11 years with at least 10% down, or for the life of the loan with less. Taxes and insurance are held flat. HomeAffordLab is not a lender and this is not financial advice.

How a mortgage escrow account works

  1. At closing, you fund the account with an initial deposit so there’s enough to pay the first tax and insurance bills.
  2. Each month, part of your mortgage payment goes into the account. That’s the “T” and “I” in PITI: principal, interest, taxes, and insurance.
  3. When bills come due, the servicer pays your county tax collector and insurance company directly.
  4. Once a year, the servicer reviews the account and adjusts your monthly payment for the year ahead.

Lenders require escrow on most loans with less than 20% down, and it’s mandatory on FHA and USDA loans. Many borrowers keep it even when it’s optional, because it spreads large bills into predictable monthly payments.

Example: what goes into escrow each month

ItemYearly costMonthly escrow
Property tax (1.0% of $400,000)$4,000$333.33
Homeowners insurance$2,450$204.17
Total$6,450$537.50

On top of these regular deposits, the servicer may hold a cushion. Under Regulation X, which implements the Real Estate Settlement Procedures Act (RESPA), the cushion can’t exceed one-sixth of the estimated yearly escrow bills, which is $1,075 in this example. If PMI or FHA mortgage insurance is part of your loan, it’s usually paid from escrow too.

See how escrow fits into your full payment with our mortgage payment calculator.

The annual escrow analysis

Once a year, your servicer projects the next 12 months of tax and insurance bills and compares them with what’s in the account. You’ll get an escrow statement showing one of three results:

  • On target: your payment may stay the same.
  • Surplus: you paid in more than needed. If the surplus is $50 or more and your loan is current, the servicer must refund it within 30 days. Smaller amounts may be refunded or credited to next year.
  • Shortage or deficiency: there won’t be enough to cover the coming year’s bills, or the account went below zero. Your payment goes up.

Why your payment went up: escrow shortages

Rising homeowners insurance premiums and higher property assessments are the most common causes. Here’s what happens if the insurance in our example rises 20%, from $2,450 to $2,940 a year:

Monthly amount
Old escrow payment$537.50
New escrow payment for higher insurance$578.33
Repayment of the $490 shortage over 12 months$40.83
Escrow payment for the next year$619.16

That’s about $82 a month more in the first year. The following year, once the shortage is repaid, the payment drops to about $578. Many servicers let you pay a shortage in one lump sum instead, which avoids the temporary extra amount.

Under the federal rules, a shortage smaller than one month’s escrow payment can be collected within 30 days or spread over 12 months or more. A larger shortage must be spread over at least 12 months.

Can you skip escrow?

Sometimes. On conventional loans, many lenders let you waive escrow if you put down at least 20%, though some charge a small fee or a slightly higher rate. FHA and USDA loans require escrow. If you pay taxes and insurance yourself, you’ll need to set aside about $538 a month in our example and pay large bills on time, since missed tax payments can lead to penalties and liens.

How to lower the escrow part of your payment

  • Shop your homeowners insurance every year or two. In our example, a 15% lower premium saves about $31 a month.
  • Appeal your property tax assessment if it’s higher than comparable homes. A 10% lower assessed value saves about $33 a month here.
  • Apply for exemptions such as a homestead exemption for your primary residence, which many states offer.
  • Remove PMI as soon as you can. See our PMI guide.
  • Check the escrow analysis for errors, such as an old tax bill or a policy you’ve already replaced.

For more ways to cut your total payment, read how to lower your mortgage payment.

Frequently asked questions

Is escrow money mine?

Yes. It’s your money held to pay your bills. When you sell or refinance, any balance left in the account is refunded to you, usually within a few weeks of payoff.

Why is my escrow payment higher than my tax and insurance bills divided by 12?

Your servicer may be collecting the allowed cushion, repaying a shortage, or projecting a bill increase it already knows about.

Does escrow earn interest?

Usually not. A number of states require lenders to pay interest on escrow accounts, but most don’t.

What is an escrow account at closing?

That’s a different use of the word. During a purchase, an escrow or title company holds your earnest money and closing funds until the sale is complete. The mortgage escrow account starts after closing.

The bottom line

Escrow turns big tax and insurance bills into a steady monthly amount, but it also means your payment can rise when those costs rise. Read your annual escrow statement, shop your insurance, and challenge high assessments to keep the escrow part of your payment in check.


Estimates only. HomeAffordLab is not a lender and does not provide financial advice. This page may contain ads. See our Advertising Disclosure.

Sources: 12 CFR 1024.17 (Regulation X, escrow accounts) · CFPB: What is an escrow account? · AmeriSave: Escrow cushion rules