Escrow Account Calculator
Payment & bills
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Fill in the fields on the left and this updates as you type.
Know what this estimate is based on
- Jurisdiction
- United States — state and local practice
- Scope and limitations
- Educational estimate only. U.S. real estate costs are local: property tax rates, transfer and recording taxes, title practice, who customarily pays which closing cost, and landlord-tenant rules all change by state and often by county or city. Agent commission is negotiable and, since the 2024 NAR settlement, buyer-agent compensation is negotiated separately rather than assumed. Only a lender's Loan Estimate, a title company's fee sheet or a signed contract binds a number.
- Source links checked
- Jul 30, 2026
Built and regression-tested by Smart Tools Lab. It has not been individually reviewed by a licensed financial, tax, or legal professional.
How to use
- 01
Enter your principal and interest payment — the part that does not change on a fixed-rate loan.
- 02
Enter the old and new annual property tax, and the old and new insurance premium.
- 03
Read the shortage the analysis found and what the payment becomes during the catch-up year.
- 04
Note the settled figure. That is where the payment lands once the shortage is repaid, and it is higher than the old one.
- 05
Open Advanced options to match your servicer's cushion, repayment period and disbursement months.
Formula
The shortage has two parts. The first is the money the servicer paid out above what it collected: the increase in annual disbursements times the share of the year you were still paying the old escrow amount. The second is the top-up to the cushion, which is a balance rather than a flow — when the bills rise, the required cushion rises with them, so the difference between the new and old monthly escrow times the cushion months is owed as well. That total is spread over the repayment period, and the new payment is principal and interest plus the new monthly escrow plus that catch-up. Once the shortage is repaid the payment settles at principal and interest plus the new monthly escrow — higher than before, because the underlying bills are. A negative shortage is a surplus rather than a debt: the catch-up is set to zero, the payment falls immediately to the settled figure, and federal rules require a refund above $50.
Example
A $2,124 principal and interest payment, property tax rising from $5,040 to $5,700, insurance from $1,800 to $2,250, a two-month cushion, twelve months at the old rate and a twelve-month repayment. Step 1 — Annual escrow: was $6,840, now $7,950. Monthly: $570 becomes $662.50. Step 2 — Underpaid over the year: ($7,950 − $6,840) x 12/12 = $1,110. Step 3 — Cushion top-up: 2 x ($662.50 − $570) = $185. Step 4 — Shortage: $1,110 + $185 = $1,295, spread at $107.92 a month. Step 5 — The payment: was $2,694, becomes $2,894 — a $200 jump. Once the shortage is repaid it settles at $2,787. So a fixed-rate mortgage's payment rose $200, none of it interest. And the useful detail is that $92.50 of the jump is permanent while $107.92 is temporary — which matters, because the letter from the servicer rarely separates them and most people budget for the whole $200 forever. Paying the $1,295 outright takes the payment straight to $2,787 today. Same money, better cash flow, and no interest either way.
Definitions
- Escrow account
- An account your servicer holds to collect and pay property tax and insurance on your behalf.
- Escrow analysis
- The annual review projecting next year's disbursements and comparing them with the balance held.
- Shortage
- The gap between what was collected and what was paid, plus the top-up to the required cushion.
- Surplus
- An escrow balance above what is required. Refundable above $50 under federal rules.
- Cushion
- A reserve held against timing gaps, capped at two months of disbursements.
- Disbursement
- A payment the servicer makes from escrow — the tax bill or the insurance premium.
- PITI
- Principal, interest, taxes and insurance. Only the first two are fixed on a fixed-rate loan.
- Escrow waiver
- Permission to pay tax and insurance yourself, usually needing 20% equity and sometimes a fee.
- Reassessment
- A county revaluing the property, often triggered by a sale. The most common cause of a tax jump.
- Millage rate
- The tax rate applied to assessed value, expressed in dollars per thousand.
- Annual escrow statement
- The disclosure servicers must send showing projections, actuals and any shortage or surplus.
- Catch-up payment
- The temporary monthly addition repaying a shortage, which falls away once it is repaid.
Good to know
Why a fixed-rate payment is not a fixed payment
Only the principal and interest are fixed. Taxes and insurance are collected through escrow, and both have risen sharply for US homeowners — property tax through reassessment and rate changes, insurance through rebuild-cost inflation and catastrophe losses. Here the annual escrow goes from $6,840 to $7,950, and the payment rises $200 without a single basis point of rate change. Two thirds of that jump is temporary and one third is permanent, which is the distinction the servicer's letter almost never makes: $107.92 is the shortage repayment that falls away after twelve months, and $92.50 is the higher ongoing escrow that does not. Budgeting for the whole $200 forever overstates the problem; budgeting for none of it after the catch-up understates it. The payment settles at $2,787, not at the $2,694 it started from.
The cushion, and the federal rules that size it
RESPA and Regulation X govern escrow accounts, and the central rule is a cap: a servicer may hold a cushion of no more than one sixth of the year's estimated disbursements — two months. The cushion exists because bills and deposits do not line up; a tax instalment due in November has to be paid from money collected through October. When disbursements rise, the required cushion rises with them, and topping it up is part of the shortage rather than part of the ongoing payment. Here that is $185 of the $1,295. The same rules require an annual escrow account statement showing projections against actuals, require a surplus above $50 to be refunded within 30 days of the analysis, and require servicers to offer at least twelve months to repay a shortage. A servicer demanding it faster is worth questioning against the regulation.
Why the first year after buying is the worst one
Many counties reassess property on sale, which means your first escrow analysis reprices the tax from the previous owner's assessed value to yours. In a market that has appreciated since the last transfer, that jump can be very large — a home held for twenty years under an assessment cap can carry a tax bill a fraction of what the new owner will pay. Compounding it, lenders frequently set the initial escrow from the seller's tax bill, so the first year collects too little by construction and the first analysis produces a substantial shortage. This is not an error and it is entirely predictable. Before buying, look up what the property tax will be at your purchase price under your county's rules rather than what the listing reports, and budget the first-year escrow analysis as an expected event.
Waiving escrow, and whether it is worth it
Most conventional lenders will waive escrow with 20% equity, sometimes for a fee of around 0.25% of the loan or a small rate adjustment. FHA loans do not permit a waiver, and VA and USDA rarely do. The case for waiving is cash flow and control: you hold the money, earn interest on it in a high-yield account, and pay the bills yourself. The case against is discipline and consequence. A $5,700 tax bill arriving once or twice a year is a large number to have set aside voluntarily, and missing it produces penalties, interest and eventually a tax lien that outranks the mortgage — which is why lenders want the account in the first place. A waiver suits a household that already saves systematically. It is a poor fit for one whose budget depends on the money not being available.
The two bills, and what to do about each
The tax side is appealable. Assessments are estimates, appeal windows are short and specific — often 30 to 60 days from the notice — and a successful appeal lowers the bill for years, not just once. Check the assessor's record for the property first: wrong square footage, a bathroom that does not exist and a finished basement that is not finished are common and correctable. Also check that every exemption you qualify for is applied, since homestead, senior, veteran and disability exemptions are frequently missed after a purchase. The insurance side is shoppable. Premiums have risen enough that loyalty is expensive; quoting three carriers at renewal, raising the deductible, and asking about wind mitigation or roof-age credits routinely moves the number more than anything else available to a homeowner.
Frequently asked questions
Why did my fixed-rate payment go up?
Because only the principal and interest are fixed. Property tax and insurance are collected through escrow, and both rise. When they rise mid-year the servicer has already paid the higher bills from your account, creating a shortage that gets added to your payment on top of the higher ongoing escrow.
What is an escrow shortage?
The gap between what the servicer collected and what it paid out, plus the top-up needed to restore the cushion. Two things at once — which is why the payment jumps by more than the tax increase divided by twelve.
What is the cushion?
A reserve the servicer holds so the account never runs dry between deposits and disbursements. Federal rules cap it at one sixth of annual disbursements — two months. When the bills rise, the required cushion rises too, and topping it up is part of the shortage.
Can I pay the shortage as a lump sum?
Yes, and servicers must offer the option. Paying it outright removes the catch-up portion from the payment immediately. It is the same money either way, with no interest charged on the spread option — so the choice is purely about cash flow.
How long do I have to repay it?
Federal rules require servicers to offer at least twelve months. Some allow longer. If yours is demanding it faster, that is worth questioning against the regulation.
Why does the payment not go back down after the catch-up?
It goes down, but not to where it was. Once the shortage is repaid the payment drops to principal and interest plus the new monthly escrow — permanently higher than before, because the tax and insurance genuinely are.
What if I have a surplus instead?
If the new bills came in lower, the servicer holds too much. Federal rules require a refund within 30 days of the analysis when the surplus exceeds $50; below that they may credit it against next year's escrow.
Can I waive escrow and pay the bills myself?
Often yes, typically with 20% equity and sometimes a fee. It gives you the cash flow and the discipline problem: a $5,700 tax bill arriving once a year is easy to be unprepared for. Some loan types, notably FHA, do not permit a waiver at all.
Why did my property tax go up?
Usually a reassessment — many counties reassess on sale, so the first year after buying frequently brings a large increase from the previous owner's assessed value to yours. Millage rate changes and expiring exemptions are the other common causes.
Why did my insurance go up so much?
US homeowners premiums have risen sharply, driven by rebuild-cost inflation and by catastrophe losses in wind, hail and wildfire regions. A 25% renewal increase is no longer unusual, and it is worth quoting three carriers rather than accepting it.
Can I dispute the analysis?
You can request the statement and check it. Servicers must provide an annual escrow account statement showing the projections and the actuals. Errors happen — a duplicated insurance payment or an outdated tax figure — and they are correctable when found.
How do I stop this happening again?
You cannot stop the bills rising, but you can stop the surprise. Appeal the assessment if it looks wrong, shop the insurance annually, and expect the escrow portion to rise every year. Budgeting for a 5% to 10% annual increase in the escrow part is closer to reality than assuming it stays flat.