Mortgage Basics · 5 min read

Why Your Mortgage Payment Changes: Escrow and Impound Accounts Explained

Originally published October 10, 2026 · Dominic Kramer, NMLS #1946539

Learn how escrow accounts work, why your monthly payment can fluctuate even on a fixed-rate loan, and how property tax adjustments affect homeowners in Arlington.

Dominic Kramer, mortgage loan officer in Bothell, Washington, on a client call at his desk
Dominic Kramer, NMLS #1946539, Bothell, Washington

When you sign your closing papers, you focus on the principal and interest. That is the steady part of your loan that does not change on a fixed-rate program. But your total monthly mortgage payment includes two other major pieces, which are property taxes and homeowner insurance. Lenders usually collect these every month through an escrow account, also known as an impound account, to make sure those big bills get paid on time.

If you want to understand how your monthly housing costs actually work, you have to look at how these escrow accounts are managed. Understanding how your servicer handles your escrow account is a key part of financial literacy, a topic the Consumer Financial Protection Bureau highlights in its efforts to build consumer competency (1). When tax rates go up or your insurance company adjusts its rates, your lender has to adjust your monthly payment to match.

How Escrow Accounts Work at Closing

When you buy a home, you do not just pay your first month of mortgage. You also have to set up your escrow cushion. This happens in the escrow phase of your transaction. The lender calculates how many months of taxes and insurance they need to hold to pay the upcoming bills. If your tax bill is due in six months, they need to collect enough upfront at closing so the account has enough money when the county sends the bill.

This setup is part of our general mortgage basics resources, which cover how closing costs are structured. Your lender will set up a reserve, which usually includes an extra cushion of two months of payments. This cushion is legal under federal guidelines and protects both you and the lender from unexpected tax hikes or insurance increases during the year.

The money sits in a separate account and is only touched when the bills are due. Your loan servicer is responsible for monitoring the account, tracking down the bills, and sending the payments to the county treasurer and your insurance agent.

Why Your Payment Fluctuates Every Year

Every year, your loan servicer runs an escrow analysis. They look at what they collected, what they paid out, and what they expect to pay next year. If your local property taxes went up, or if your insurance premium increased, the servicer will find a shortage. To fix this, they will recalculate your monthly payment for the upcoming year to cover the higher bills and rebuild the cushion.

If you want to see how these changes affect your budget, you can calculate your monthly payment adjustments by changing the annual tax and insurance input boxes to match your latest local statements. Seeing those numbers side-by-side helps you prepare for any annual escrow adjustments before they hit your bank account.

Here is what happens when your servicer finds a shortage during their analysis. You generally have two choices to resolve it. You can pay the entire shortage upfront as a single payment, which keeps your monthly payment from climbing as high, or you can spread the shortage over twelve months, which will increase your monthly payment for the next year.

Escrow Realities in Arlington and Snohomish County

Let us look at what this means locally. If you are buying a home in Arlington, Washington, you will find a mix of older residential neighborhoods, newer subdivisions near Gleneagle, and acreage out toward Oso. Each of these property types has different tax profiles. Property taxes in Snohomish County are updated every year, and changes in local school levies or county bonds directly impact your tax bill.

For example, if you buy a newer construction home, the initial tax assessment might only cover the value of the raw land. Once the county reassesses the finished home, the tax bill can jump significantly. This is a common trap for buyers in the local market, and it leads to a massive escrow shortage in the second year of homeownership if your loan officer did not estimate the fully assessed tax amount from the start.

Escrow and VA Loans

If you are an eligible veteran or active military member, you might be using VA loans to buy your home. The Department of Veterans Affairs has specific guidelines on how escrow accounts can be handled. While the VA does not strictly require an escrow account for every single loan, most lenders will still require one to manage the risk of unpaid taxes and insurance. The VA's commitment to supporting those who served extends to ensuring veterans have stable, predictable housing structures (7).

Managing your escrow on a VA loan requires knowing a few specific rules. Here is a checklist of what you need to keep in mind when tracking your VA loan escrow account:

  • Check your disabled veteran status: In Washington, veterans with a 100 percent service-connected disability may qualify for a property tax exemption, which completely changes your escrow calculations.
  • Monitor your funding fee refund: If you receive a retroactive disability rating after closing, you might get a refund on your VA funding fee, which can be applied directly to your principal balance.
  • Understand lender requirements: Even if you make a large down payment, most VA lenders will mandate an escrow account unless you meet strict credit and equity waivers.
  • Track your homeowners insurance: Ensure your insurance policy lists your lender correct loss payee clause so your payments are made from the escrow account without delay.
  • Review your annual statement: The escrow analysis statement arrives once a year, and you should compare it to your county tax assessment notice to verify the numbers.

Questions I get about this

Can I manage my own taxes and insurance instead of using an escrow account?

Yes, some loan programs allow you to waive escrow, which means you pay your taxes and insurance yourself. However, lenders usually charge a small fee or require a higher interest rate to do this, and you typically need a down payment of at least 20 percent on a conventional loan. For most buyers, keeping the escrow account is easier because it spreads the big annual bills into twelve predictable monthly payments.

Why did my mortgage payment go up if I have a fixed-rate loan?

Your fixed-rate mortgage only guarantees that your principal and interest payment will stay the same for thirty years. Your total monthly payment includes your escrow portion, which pays for property taxes and home insurance. When the county reassesses your home value or your insurance company raises its rates, your escrow payment must rise to cover those new costs.

Dom's take

What surprised me at the time was how many buyers thought their mortgage payment was set in stone for thirty years. Back in the wild markets of a few years ago, people were so focused on winning the bid that they ignored the holding costs. This is the market I like coaching people through. Nobody is panicking, we have time to structure the loan properly, and the monthly payment is something we build on purpose instead of accept. In 2026, we can actually sit down, look at the county tax assessment history, and structure an escrow budget that will not shock you twelve months down the road.

It is frustrating to watch people get hit with a three-hundred-dollar monthly increase because their previous lender used a dummy tax figure to make the pre-approval look cheaper. That is not how I run my business. If you are buying a home, you deserve to see the real numbers, including the projected tax adjustments. Taking the time to build a realistic payment plan is the difference between enjoying your home and constantly worrying about the mail.

How I'd handle it

If I were buying a home today, I would always set up an escrow account because it keeps my monthly cash flow predictable. I would ask my loan officer to calculate the taxes based on the fully assessed value of the home, not the vacant land rate. If an escrow analysis ever shows a shortage, I prefer to pay the shortage as a lump sum upfront. This keeps my monthly payment from spiking and allows me to keep my monthly budget consistent.

Talk it through with me

If you are ready to explore your options or want to see how these escrow adjustments fit into your plan, let us connect. You can contact me directly to start your scenario to walk through your numbers. We can complete a pre-approval in about five minutes, and my team regularly closes loans in 15 days or less.

Topicsescrowmortgage-basicsVA-loansarlingtonsnohomish-county

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