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Property Tax and Interest Adjustments Explained

by | August 4, 2025

When you’re arranging a mortgage, most people focus on the big-ticket items: interest rates, down payments, and legal fees. But there are two smaller line items that can catch you off guard if you don’t know about them—property tax adjustments and interest adjustments. They’re not huge, but they’re important and show up on your closing statement. The good news? When you know what they are and why they exist, they’re easy to handle.

Topic Headings

Property Tax Adjustments: Balancing the Books

Interest Adjustments: Getting Your Payment Schedule on Track

Allen’s Final Thoughts

Property Tax Adjustments: Balancing the Books

A property tax adjustment happens when there’s a difference in how property taxes have been paid up to the day your new mortgage kicks in. This is more common when you switch lenders or refinance, especially if your old lender collected property taxes on your behalf.

Story Example

Carla refinanced her mortgage halfway through the year. Her previous lender had already collected property taxes for the upcoming quarter. When the new lender took over, there was a balance to settle—Carla owed $250 to square up the account so the tax payments lined up correctly.

Typical Cost Range

Property tax adjustments are usually a few hundred dollars, often $100–$500, depending on how far ahead the taxes were prepaid and the size of your property tax bill.

Interest Adjustments: Getting Your Payment Schedule on Track

An interest adjustment is a one-time payment that happens when your funding date doesn’t line up with your regular payment schedule. Lenders like to have consistent payment dates (say, the 1st of the month or every second Friday), so if your mortgage funds on an “off” day, you’ll prepay a bit of interest to cover that gap.

Story Example

Sandeep’s mortgage funded on June 15th, but he wanted his regular payments to start July 1st. That meant 15 days of interest upfront, which came to $180—based on a $400,000 mortgage at 5% interest.

Typical Cost Range

Interest adjustments are usually $50–$300 depending on:

  • Your mortgage amount
  • The interest rate
  • How many days are being covered (anywhere from 1–30 days).

Allen’s Final Thoughts

Property tax and interest adjustments aren’t headline news in your mortgage, but they keep things running smoothly behind the scenes. Think of them as housekeeping items that balance accounts and set your mortgage on the right payment schedule from day one.

As your mortgage agent, I make sure you know about everything—including these small adjustments—before you sign. That way, you feel confident, prepared, and focused on what really matters: moving forward with your financial plans. Whether you’re buying, refinancing, or switching to a better lender, I’ll guide you through every detail, big and small, so there are no surprises on closing day.

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Allen Ehlert

Allen Ehlert

Allen Ehlert is a licensed mortgage agent. He has four university degrees, including two Masters degrees, and specializes in real estate finance, development, and investing. Allen Ehlert has decades of independent consulting experience for companies and governments, including the Ontario Real Estate Association, Deloitte, City of Toronto, Enbridge, and the Ministry of Finance.

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