Same Street, Different Value: Why Old-Aurora Homes Break the Radius-and-Per-Square-Foot Comp

Pulling a radius, grabbing a dollar-per-square-foot number, and adjusting by gut assumes the houses are the same kind of asset. On Aurora’s older streets, the lot next door can play by a different rulebook — and that never shows up in the square footage.

I’m Arthur Zhao, a broker who has spent 12 years working GTA transactions. Not long ago I was standing on a covered porch on one of old Aurora’s tree-lined streets with a couple who had already done their homework — they had pulled a per-square-foot number off a sale two doors down and were ready to price the house in front of us straight off it. It was a reasonable instinct, and it was also the exact spot where old-town valuation quietly goes wrong. The house two doors down looked like the same house. It was not the same asset. In this piece I want to take apart why “same street” is one of the most expensive assumptions a buyer or an agent can make in a neighbourhood like this — and what to do about it before you trust a single comparable.

The comfortable move that hides a shaky premise

The default valuation move is familiar: draw a radius around the subject property, pull the recent sales inside it, reduce each to a dollar-per-square-foot figure, then nudge for lot size and how updated the finishes are. It feels rigorous because it is arithmetic. But underneath the math sits an assumption that rarely gets said out loud — that these homes are the same class of asset, interchangeable once you correct for size and condition. When that assumption holds, the method is genuinely good. The whole question is whether it holds where you are standing.

New subdivisions earn that assumption. Old Aurora doesn’t.

In a subdivision built all at once — one registered plan, one zone, one set of rules, one builder’s handful of models — homes really are close to interchangeable, and the radius-and-per-square-foot method earns its keep. Old Aurora is the opposite kind of place. It grew over more than a century, lot by lot, under rulebooks that were layered on at different times and still overlap today. Many of the buyers circling these streets are families moving up from Markham or Richmond Hill who assume the pricing logic that worked for a newer home applies here too. It often doesn’t. If you want the neighbourhood context behind these streets, our Aurora Village community guide is a good starting point — but the valuation caution below applies to the older pockets regardless.

Two lots, one block, two rulebooks

Heritage: the constraint that never shows up in square footage

Aurora protects its Northeast Old Aurora area as a heritage conservation district (HCD) under Part V of the Ontario Heritage Act — the district plan was adopted by By-law 4809-06.D and the area was designated in 2006. Inside a Part V district, s.42(1) means an owner needs a municipal permit before altering any part of the property (building interiors excepted), erecting a building on it, or demolishing or removing one. For a property individually designated under Part IV, s.33(1) requires council’s written consent for any alteration likely to affect the heritage attributes named in the by-law. The town also keeps a Register of properties of cultural heritage value — and being “listed” on it is not the same as being “designated.” The freedom to renovate, add on, or rebuild is materially different across these categories, and that difference is value the tape measure will never catch.

The GO station is a variable, not a plus sign

Aurora GO (station code AU) sits on the Barrie line, and commuter access clearly matters to some buyers. But treat it as a two-sided variable, not an automatic add-on. The same proximity one buyer prices as convenience, another discounts for rail and traffic exposure — and the two can offset. On top of that, the station and the Barrie line are being upgraded right now, as of September 2026, so today’s experience and the finished-state experience are not the same thing. There is no first-party Aurora-level figure for a transit premium, so any tidy coefficient you hear should be treated as a factor to weigh case by case, never a number to apply.

What the town’s own numbers actually prove

The strongest evidence for all of this isn’t street-level — it’s that Aurora, in a single month, is enormously dispersed by asset type. According to TRREB (2026-08), the all-home average was about $1,105,004 against a median of $942,000; the gap between mean and median alone signals a very mixed pool. By type that month: detached homes averaged roughly $1,467,448 (median $1,390,000), semi-detached about $870,833, attached and row townhouses about $855,643, condo townhouses about $626,300, and condo apartments about $518,833. So “the Aurora average” swings by close to a million dollars depending on what kind of home you mean. A caveat on the smaller categories: semi-detached (6 sales), attached/row (7), condo townhouse (5) and condo apartment (6) are tiny samples that month — fine for showing the spread exists, but far too small to read as a trend or a month-over-month move. And note the ceiling on all of this: TRREB reports at the municipal level only. There is no first-party neighbourhood- or street-level data for Aurora Village, so anything at that scale is a qualitative judgment, not a figure.

How to use this before you trust a comparable

Before you lean on any comp in old Aurora, ask three questions about both the sale and the subject property. First: are they in the same zone under By-law 6000-17, or does one sit in the Promenade zone and the other in a residential zone? Second: is either inside the Northeast Old Aurora heritage conservation district, or individually designated or listed on the town’s register? Third: how does each relate to the GO corridor, and is that priced as a plus or a minus by the buyers actually shopping this pocket? If any answer differs, the two homes are different assets — and a straight per-square-foot bridge between them will mislead you unless you make a much larger, judgment-heavy adjustment.

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Arthur Zhao

Real Estate Broker · FRI · ABR · SRS · PSA · MCNE · E-PRO · CLHMS & GUILD Elite · REAIS

VP & Branch Manager, Bay Street Group Inc.

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