A buyer comparing two similarly priced homes near Sloan's Lake this year ran into something that doesn't show up on the listing photos. One property, a rowhome built on the old St. Anthony Hospital campus south of the park, carried an extra tax line on its closing estimate that the other property, a few blocks north in the neighborhood's older bungalow core, simply didn't have. Same neighborhood name. Same lake view. Different annual carrying cost, and no listing description flagged why.

That difference is not a fluke. It's the surface of a bigger problem: Sloan's Lake, as a data point, does not mean one thing. Ask four different real estate platforms what a home here costs and you'll get four different answers, sometimes moving in opposite directions in the same season. Understanding why turns out to matter more than the headline number itself.

Six numbers, one lake

Here's what shows up if you search "Sloan's Lake home prices" this month, laid out side by side:

Notice that two of those rows are both labeled Redfin. Two are both labeled Zillow. These aren't competing companies disagreeing with each other. They're the same companies disagreeing with themselves, because "Sloan's Lake" and "Sloan Lake" are treated as separate neighborhoods with separate boundaries in their own internal maps, and each boundary sweeps in a different stretch of housing stock.

The boundary nobody draws the same way twice

Ask where Sloan's Lake actually starts and ends, and you'll get several honest, conflicting answers. The Denver Public Library's own neighborhood history places the boundaries at 29th Avenue to the north, 17th Avenue to the south, Federal Boulevard to the east, and Sheridan Boulevard to the west. A widely cited Wikipedia entry draws it tighter: Sheridan to the west, 17th to the south, but Raleigh Street to the east and 26th Avenue to the north, pulling the eastern and northern edges in by several blocks.

That gap between Federal and Raleigh, and between 29th and 26th, isn't empty space. It's blocks of housing, and which blocks a data provider includes changes which decade of construction dominates the sample. Push the boundary out toward 29th and Federal, and you sweep in more of the pre-1950s bungalow and Tudor stock that makes up much of the neighborhood's original housing. Pull it in tighter toward 26th and Raleigh, and you weight the sample more heavily toward the water's edge and the newer construction closest to the park.

Neither boundary is wrong. They're just answering different questions, and a portal's automated median doesn't tell you which question it asked.

What the mix actually buys you

The other reason the numbers scatter is that "a home in Sloan's Lake" now describes two genuinely different products.

One is the original neighborhood: bungalows and Tudor Revivals built mostly between the 1920s and the 1950s, generous lots by Denver standards, the kind of housing stock that's been renovated in place for decades. The other is the newer corridor built out on the south shore of the park, on the site of the former St. Anthony Hospital, which closed its Denver campus in December 2012 when the health system completed its move to a new facility in Lakewood.

That 18.8-acre site sat vacant for a couple of years before EnviroFinance Group took on the redevelopment, eventually bringing in partners including Trailbreak Partners and Koelbel & Company to build out what's now branded as the SLOANS district. The centerpiece is Lakehouse, a condo tower marketed as Colorado's first WELL-certified residential community, with resort-style amenities and units that have listed anywhere from the low $500,000s past $3 million. Perry Row added dozens of new townhomes on the same footprint. Together they represent a housing product that didn't exist in this neighborhood a decade ago: ground-up new construction, high-rise amenities, and price points that skew the average whichever direction the sample happens to weight them.

Blend that new-construction corridor into the same median as the bungalow core three blocks away, and you get exactly the kind of number that means nothing on its own. It's not that the market is volatile. It's that the sample keeps changing shape depending on which streets got counted that month.

The tax line that doesn't show up in any median

Here's where the difference stops being academic. The former hospital site sits inside South Sloan's Lake Metropolitan District No. 1 and No. 2, special districts created specifically to fund the infrastructure needed to redevelop the site and to govern its ongoing maintenance. Metro districts in Colorado carry their own mill levy, a property tax line separate from the base county rate, and it applies to homes built inside the district's boundary. Homes in the older bungalow blocks north and west of the old hospital site are not inside that district and don't carry that additional levy.

That means two homes listed at the same price this fall, one inside the SLOANS footprint and one just outside it, are not actually the same purchase. The new-construction rowhome may look like the better deal on the list price. It may not be, once you add in the metro district's mill levy on top of the standard county tax bill. None of the median-price numbers above capture that difference, because a median is a snapshot of sale prices, not of what it costs to hold the property afterward.

If you're comparing anything inside the SLOANS footprint to anything outside it, ask directly whether a metro district mill levy applies, and get the specific figure from the title company or the district itself rather than assuming the two properties carry the same tax structure just because they share a mailing neighborhood.

How to actually compare

The neighborhood's identity holds together in ways the data doesn't. The Colorado Dragon Boat Festival still draws crowds to the park every summer regardless of which boundary line you draw around it. Jamming on the Jetty still raises money for the lake every fall. Odell Brewing's Sloan's Lake Brewhouse and The Patio at Sloans still anchor the same stretch of 17th Avenue whether a given listing algorithm counts that block as "Sloan Lake" or "Sloan's Lake." Lake Middle School, the Tudor Revival building residents call The Castle, has sat on the same eastern shore since 1926.

What changes is the math. Before trusting a median price as a stand-in for "the market," it's worth asking which streets that median actually pulled from, and whether it's comparing bungalow to bungalow or bungalow to high-rise. A cleaner approach is to build a narrower comp set on purpose: line up recent sales of similar vintage and similar distance from the water, rather than letting a single citywide portal blend a 1930s bungalow with a WELL-certified tower and call the result one number.

A few questions worth asking before you compare listings

Why do "Sloan Lake" and "Sloan's Lake" show different numbers online? Several major listing sites treat them as separate neighborhood pages with separate boundary polygons, so they're pulling different sets of sales even though both names refer to the same lake and the same general area.

Does every new-construction home near the lake carry a metro district tax? Only homes built inside the South Sloan's Lake Metropolitan District boundary, which covers the former St. Anthony Hospital redevelopment on the south shore. Homes in the older bungalow blocks elsewhere in the neighborhood are not automatically subject to it.

Which boundary should I actually use when comparing homes? There isn't one official answer. The Denver Public Library's history places the edges at 29th, 17th, Federal, and Sheridan. Other sources draw it tighter. The more useful exercise is comparing homes of similar age and location to each other, rather than leaning on any single portal's neighborhood-wide average.

Comparing a bungalow near the park to a new build inside the old hospital footprint takes more than a median price pulled off a listing site. If you're weighing a purchase on either side of that line, Six Seasons can walk you through what each option actually costs to carry, not just what it costs to close on.