BC Assessment vs. a Professional Appraisal: Why the Two Numbers Differ

Sid Malhotra, principal appraiser at Appraise Wise
Sid Malhotra
Aug 12, 2026
•
4 min read
Two professionals reviewing a property valuation report

Every January, property owners across British Columbia receive a Property Assessment Notice, and most of us glance at the figure and quietly treat it as what the home is worth. It is not, at least not in the way that matters when something real is at stake. The assessed value and a professional appraisal are two different instruments, built for two different purposes, and confusing them can be an expensive mistake.

What BC Assessment actually measures

BC Assessment is a provincial Crown corporation, and its job is to value every property in the province as a basis for taxation. To do that across more than two million properties, it relies on mass appraisal: algorithms and broad market data rather than an individual inspection of your home. Two facts follow from that. The assessor rarely sets foot inside, so renovations, interior condition, and layout are often not reflected. And the value is dated. Your notice arrives in January, but it estimates value as of July 1 of the previous year.

In a region where prices can move meaningfully in a matter of months, a number anchored six or more months in the past is a starting point, not a current reading.

What a professional appraisal measures

An appraisal is an independent opinion of a specific property’s market value as of a specific date, prepared by a designated appraiser and supported by documented comparable evidence. It begins with an inspection of the actual home, considers its condition, upgrades, and unique features, analyzes recent sales of genuinely comparable properties, and sets out the reasoning behind the conclusion. It is prepared to CUSPAP, the national standard every professional appraiser in Canada must meet.

That is why an appraisal, not an assessment, is the document lenders, courts, and the Canada Revenue Agency (CRA) rely upon.

Why the two figures diverge

Three reasons, mainly. Timing, because the assessment reflects a date that has already passed. Method, because mass appraisal cannot see what a personal inspection sees. And specificity, because a distinctive home is poorly served by a model built for averages. It is entirely normal for the two numbers to differ, sometimes by a wide margin, and a difference does not mean either is wrong. They are simply answering different questions.

When you need an appraisal, not the assessed value

The assessed value is fine for understanding your tax bill. For anything where the figure must hold, you need an appraisal: financing or refinancing, a capital gains filing, settling an estate, dividing assets in a separation, or pricing a significant home before it goes to market.

Key takeaways

  • BC Assessment is a mass valuation for taxation, dated to July 1 of the prior year, usually without an interior inspection.
  • A professional appraisal is an individual, current, CUSPAP compliant valuation based on a full review of your property.
  • The two figures often differ, and that is expected.
  • When a value must be defended, the appraisal is the document that carries weight.

Whether your home’s value needs to be established for financing, tax, legal, or sale purposes, we would be glad to discuss it. Request a Consultation or learn more about our Areas of Practice.

General information, not financial advice.

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