Customer review period

Review your property assessment

What to know

  • Annual property assessment notices are mailed in January. 
  • The Customer Review Period lasts 67 days after your assessment notice is mailed. This is your opportunity to check the accuracy of your property assessment and learn how it was determined. Check your notice for your Customer Review Period dates, as they can vary.

Use myTax to compare your property's value

myTax provides tools and resources to review your assessment. Ensure you are signed in through the Secure Access.

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The Customer Review Period for annual assessment notices mailed in January ran from Jan. 10 to March 21, 2025, and is now closed. Changes to your property assessment can only be made during the Customer Review Period which ends at the same time as the final date to file a complaint. This is a free service offered outside of the formal Assessment Review Board (ARB) complaint process. 

Although the final date to file a complaint on your assessment may have passed, there are still opportunities for you to review your property details online and understand how we arrived at the valuation. You can review your property value for fairness and equity on myTax. You may also contact us letting us know about the inaccuracies. In doing this you can help ensure that your next property assessment is more accurate. 

Supplementary assessment notices
If you received a supplementary assessment notice, your customer review period lasts 67 days after your notice is mailed, and the deadline date is stated on your notice. We can discuss and update your property information during the Customer Review Period. If these changes affect the assessment value, we’ll make the adjustments and send an updated notice. 

What to look for when reviewing your assessment notice:

1

Is your market value assessment a reasonable estimate as of July 1, 2024?

Use the Sales or Property Search tools in myTax to review and compare.

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Sales Search. This includes real estate market sales on residential, multi-residential and non-residential properties.

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Property Search. Offers site-specific information, such as building area, year of construction and influences for each property we have on the Assessment Roll.

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See also: How Market Value assessment works. The City of Calgary uses market value assessment to place a value on every property and business in the city as of July 1 of the previous year.

2

Are the factual property details we have on record correct?

Review your Property Detail report in myTax.

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Property Details report. This contains specific information we have on record about your property.

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See also: Manage ownership information.

3

Is your assessment fair when compared with others in your neighbourhood?

The Community Summary or Market Trends reports available in myTax provide information about other properties in your neighbourhood.

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Community Summary. Offers community comparisons by single residential homes and residential condominiums.

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Market Trends report. Information on how your property is assessed and data and insights to understand the market conditions.

Helpful tips from our City Assessor

Ask the City Assessor

Calgary's City Assessor Eddie Lee hosts an informative Q&A session to help property owners understand how their 2025 property assessment was prepared.

Learn more

Tips for reviewing your property assessment

Calgary’s City Assessor, Eddie Lee, shares tips on reviewing property assessments.

Learn more

Criteria used to determine property values

Calgary’s City Assessor, Eddie Lee, shares information about the criteria used to determine property values.

Learn more

FAQ: Can I sell my property for the assessment value?

Calgary’s City Assessor, Eddie Lee, answers the frequently asked question: Is my property assessed value the same as what I can sell my property for today?

Learn more

Understanding how property assessment and tax relate?

Calgary’s City Assessor, Eddie Lee, explains how your property assessment relates to your property tax.

Learn more

Questions about your property assessment – what to do

Calgary’s City Assessor, Eddie Lee, shares tips on what to do if you have questions about your property assessment.

Learn more

Next steps

  • Property tax calculator

    Get an estimate of your property tax based on the value shown on your assessment notice.

  • New homeowner's guide to property assessment & tax

    Whether you’ve owned a property before, or you’re just starting out, you may have questions. We’re here to help with the ins and outs of property assessment and tax.

  • Join TIPP

    Pay your tax bill over monthly instalments instead of in one lump sum.

When to file an Assessment Review Board complaint

You may file a complaint with the Assessment Review Board (ARB), which is separate from The City of Calgary. File on or before the Final Date to File a Complaint on the front of your assessment notice. The complaint form, complaint agent authorization form, and more information are available at calgaryarb.ca or 403-268-5858.

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