Assessment notices go out every January, and every year we get the same question: does this number mean my house is worth this now? Short answer, no. Here's why, and what the actual sold data says once you get past the theory.
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Does my Calgary property tax assessment tell me what my home is worth?
No. A City of Calgary property assessment is a mass-appraisal estimate used to divide up the property tax bill. It is not a market valuation of your specific home, and it is not what a buyer would pay for it today. The two numbers are related, but they are built for different purposes and they regularly land a long way apart.
Why doesn't my tax assessment match what my home would sell for?
First, the date. The City values your home as of July 1 of the previous year, not today. A 2026 assessment reflects market conditions from July 1, 2025. Markets move faster than that. If prices in your neighbourhood have shifted since last summer, your assessment is already out of date before you open the envelope.
Second, the method. The City uses mass appraisal. Instead of walking through your specific home, it groups similar properties by size, age, and location, then applies general data across the group. Unless you've told the City otherwise, it assumes your home is in average condition. A new kitchen or a finished basement doesn't move the number unless you've actually reported it. That cuts both ways, a home that needs a lot of work is often assessed as though it doesn't.
What did the most recent Calgary assessments show?
The City mailed out more than 600,000 assessment notices on January 14, 2026, the most recent cycle. The typical single-family home came in at $706,000, up about 1% from $697,000 the year before, a real cooldown from the roughly 15% jump the year prior to that. Condos went the other way, with the typical unit assessed at $347,000, down from the prior year. The next round of notices is expected in January 2027, valued as of July 1, 2026.
Do Calgary homes actually sell at their assessed value?
Calgary REALTOR® Chad Cronk ran the numbers on this directly. He pulled matched sales and assessment data across Calgary and compared sold price to assessed value. For 2025 sales measured against 2025 assessments, just under half closed below the assessed value, close to three in ten closed above it, and roughly one in four landed within 3% either way. Looking at 2026 sales against 2025 assessments, a bit over half sold below assessment, a little more than a quarter sold above, and about one in five came in within 3%.
However you slice it, most homes did not sell at their assessed value. More sold below it than above it in both periods, and only a minority landed close to the number on the notice.
Does the gap vary by Calgary community?
Yes, and more than most people expect. Calgary REALTOR® Jason Todd pulled May 2026 sold data on detached homes under $800,000 and broke it out by community. In Mahogany, homes sold for about 7.6% below their assessed value on average. In Sundance, they sold about 7.7% above. Same month, similar price range, opposite direction. Your specific street matters more than the city-wide trend, which is why a city-wide average is close to useless for pricing a single house.
Should I use my assessment to price my home or shape an offer?
We wouldn't, and we don't. Your assessment is a reasonable tool for one thing: figuring out your share of the property tax bill. It isn't built to tell you what your home would fetch if you listed it tomorrow. If you're buying or selling, what matters is recent sold comps in your actual community, adjusted for the condition, layout and lot of the specific property, read against current supply and demand at your price point. The assessment is a starting point for a tax conversation, not a pricing conversation.
Where it does come up is at the negotiating table, when a buyer or seller points at the assessment as evidence. It's worth knowing the data above so you can answer that honestly rather than argue about it.
Can I appeal my Calgary property assessment?
Yes. The City runs a Customer Review Period each year, and you have until the deadline printed on your notice to file for a review. In 2026 that deadline was March 23. Start by checking the property details the City has on file, since incorrect square footage or a wrong condition rating is the most common fixable problem.
What number should I use instead?
Recent sold comparables in your community, reviewed by someone who has actually seen the inside of those homes, read alongside current supply and demand at your price point. Comps tell you what buyers paid recently, and the absorption rate tells you what you are competing with right now, which is why we go through both on our selling page. If you want that for your place, Colin and Brad can pull it and walk you through what it means, whether you're selling this year or just want to know where you stand.
Either way, that assessment envelope and what your home would actually sell for are two different conversations. Worth keeping straight, especially if you're making a decision based on one of them this year.
Colin Kehler & Brad Healey, REALTORS®, Kehler Healey Real Estate Co., RE/MAX Innovations, Calgary, Alberta.