AVM
The BrokerFold Team — Product + Engineering
Last reviewed
An AVM — automated valuation model — is software that estimates a property’s value from data alone: recent comparable sales, the property’s recorded attributes, assessment records, and market trends, combined by a statistical model with no human visit. Every instant “what’s your home worth” number on the internet is an AVM talking.
How the models work
Most AVMs are comparable-sales machines at heart. The model finds recent transactions near the subject property, measures similarity on the attributes it can see — type, size, age, lot, location — and projects a value, often with a confidence range that honest implementations show and weaker ones hide. Quality rises and falls with the training data: in Canada, where sold prices are board-controlled rather than public record, a model’s access to genuine sold data is the single biggest determinant of whether its output deserves attention. Coverage is uneven by design, too — the same model can be sharp in one city and guessing in the next suburb over, depending entirely on where its sold-price sources actually reach.
Where they’re strong and where they break
AVMs perform best exactly where averages do: typical homes, active markets, deep comparable pools — a mid-rise condo in a busy downtown submarket is the model’s home turf. They break on what data can’t see: renovations, condition, a ravine lot, a view, a layout buyers hate, or any property rare enough that true comparables barely exist. They also lag turning points, because models learn from closed sales that are weeks old by definition. None of this makes them useless; it makes them range-finders. The head-to-head with human analysis is on AVM vs CMA, and the difference from the tax roll’s number is covered in assessed value vs market value.
AVMs on agent websites
For an agent, the instant estimate is a lead instrument: sellers arrive curious, and a tool that answers on screen — honestly, as a range — earns the contact detail that a form promising “we’ll get back to you” doesn’t. The credible version pairs the number with a path to a real analysis instead of pretending to be one; how that lands on a website is laid out on home valuation tools.
Frequently asked questions
Why do different websites show different values for the same home?
Different models, different data. Each AVM chooses its own comparables, weighs its own inputs, and — critically in Canada — has different access to actual sold prices. Two estimates hundreds of thousands apart on the same property is not a glitch; it's what happens when models with different information both project a single number.
Can an AVM replace an appraisal or an agent's analysis?
No. Lenders may lean on automated estimates internally for lower-risk decisions, but a mortgage-grade appraisal is a licensed human's inspection-based opinion, and a listing price deserves an agent's comparative analysis. An AVM's proper job is orientation — a starting range, not a verdict.
Keep reading
- Home valuation tool A home valuation tool for your realtor website: a wizard grounded in real sold comparables, honest ranges, and every seller lead routed to your CRM.
- AVM vs CMA Instant AVM or agent CMA on your website? What each is honestly good for, and the hybrid that converts sellers without pretending to be an appraisal.
- Assessed value vs market value Why MPAC and BC Assessment numbers rarely match what a home sells for — what assessed value is for, and what to use when pricing instead.
- Sold data Sold data is the record of what properties actually sold for. Where it lives in Canada, who may display it, and how a VOW puts it on your website.