AVM vs CMA
The BrokerFold Team — Product + Engineering
Last reviewed
An AVM — automated valuation model — prices a home with math: recent sales, property attributes, sometimes tax and trend data, no human in the loop. A CMA — comparative market analysis — prices a home with an agent: hand-picked comparables, adjustments for condition and features, and a walkthrough behind the number. The question for your website is not which is “better”. It is which job each one does, and what the honest combination looks like on a page a seller will judge you by.
What an AVM is genuinely good at
Speed and self-service. A homeowner idly wondering about their value at 11 p.m. will not book an appointment, but they will type an address into a form that answers instantly. A model grounded in real nearby closings can put that answer in a credible range for ordinary homes in data-rich areas — and the instant reward is what makes valuation pages the strongest seller-capture pattern on the web.
The failure modes are just as clear. Models cannot see inside the house. A gut-renovated kitchen and an original 1980s one read identically. Unusual properties, thin markets, and rapidly turning markets stretch any model past its data. And the single-number presentation many tools default to is the worst of it: a figure with five digits of implied precision, built on assumptions the visitor never sees. In Canada there is an extra wrinkle — individual sold prices are VOW-gated, so an open-web estimate cannot show its work without breaking board rules.
What a CMA is genuinely good at
Everything the model is blind to. An agent picks the comparables deliberately — same street beats same postal code, similar condition beats similar square footage — and adjusts for what the data cannot encode: the renovation, the grade of finish, the railway line, the school catchment. A good CMA also carries strategy the math never will: where to price against current competition, what the absorption rate says about timing, whether to list sharp or leave negotiating room.
The cost is friction. A CMA takes hours and usually a walkthrough, which means the seller must already be willing to talk to you. As a website offer on its own — a bare “request your free evaluation” form with nothing on screen — it asks for commitment before delivering any value, and conversion shows it.
The hybrid your website should run
Lead with the honest instant layer; deliver the human one. That is the shape BrokerFold builds in: the valuation funnel reveals an on-screen range computed from actual sold closings near the address — cohort stated, range not point estimate, and an explicit “not enough recent sales” answer when the data will not support a number. The contact step then frames the real deliverable, the full CMA you prepare personally. Sellers who want to inspect the underlying sales can register to see them on the site’s sold comparables surface, where board rules require the login anyway.
Each layer covers the other’s weakness. The range gives the visitor immediate value, so the page converts. The CMA framing keeps the number honest — it is presented as a starting point pending human analysis, not an appraisal — so the tool never writes a cheque your expertise has to argue with at the kitchen table.
The trust argument
Here is the part vendors selling instant-estimate magic skip: a homeowner has usually seen a portal estimate for their own house and noticed it was off. Feigned precision reads as either ignorance or salesmanship. A range with its cohort disclosed, a plain statement of what a model cannot know, and a human analysis as the follow-up reads as competence. On a page whose entire purpose is to make a stranger trust you with their largest asset, that difference is the product. One caution in the other direction: never present any of it as an appraisal — that word belongs to licensed appraisers, and the distinction (like assessed versus market value) is worth a plain sentence on the page itself.
Frequently asked questions
How accurate are instant online home estimates?
Accurate enough to start a conversation, not to price a listing. A model grounded in recent nearby sold prices lands in a defensible range for typical homes in active markets; it cannot see condition, renovations, a view, or a locational quirk. Treat any single-figure instant estimate as false precision.
Is a CMA the same as an appraisal?
No. An appraisal is a regulated valuation by a licensed appraiser, usually for lending. A CMA is an agent's pricing analysis built from comparable sales — a professional opinion for listing strategy, not a document a bank relies on. Your website copy should never blur the two.
What should my website actually offer sellers?
Both layers: an honest instant range that rewards the visitor on screen, and a clear path to a human CMA as the real deliverable. The range earns attention; the CMA earns the listing appointment.
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.
- CMA request page What a CMA request page is, why the free home evaluation still beats any instant number, and how to run one that fills your listing pipeline.
- Sold comparables pages Sold comparables pages turn 'what did it sell for?' into registered seller leads — VOW-gated comps on your own domain, updated as sales close.
- 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.