The Millis Median Home Price Is Hiding Two Different Housing Markets

Pull up three sources for the same town in the same general stretch of 2026 and you will get three different answers to a question that should have one. In December 2025, one live-MLS tracker put the median sold price for a home in Millis at $635,000, down nearly 12 percent from the year before. By May 2026, an automated valuation index put the town's median home value closer to $710,000, up modestly year over year. A month later, in June 2026, two separate live-MLS trackers both showed a median list price near $948,000, up roughly 20 percent from a year earlier.

None of these sources is wrong. They are measuring different things at different moments, using different methods. That alone is worth knowing before you compare Millis to a neighboring town. But it is not the interesting part.

The interesting part is why the swings in Millis specifically are this dramatic, and the answer has a street address.

Where the Confusion Actually Starts

Before getting to the local reason, it helps to know the three ways a "median home price" gets built, because portals rarely explain which one they're showing you.

• A sold-price median only counts homes that closed in that window. It tells you what buyers actually paid, but it lags the market by 30 to 60 days depending on how long escrow ran.
• A list-price median counts what's currently for sale, whether or not it sells at that number. It shows what sellers hope for, not what the market bears.
• An automated valuation index estimates the value of every home in town, sold or not, using algorithmic models. It's the smoothest of the three but the least tied to any specific week's activity.

Any town will show some daylight between these three. Millis shows an unusual amount of daylight, and the reason has nothing to do with methodology. It has to do with what's actually sitting inside the town's housing stock.

The Real Reason: One in Ten Homes in Millis Are the Same Development

Millis has roughly 3,300 total housing units. Inside that count sits Regency at Glen Ellen, a 324-unit active-adult community built by Toll Brothers on the site of the former Glen Ellen Country Club, an 18-hole golf course that closed and was redeveloped after sitting on the town's radar since a first, larger version of the project was approved back in 2007 and then shelved for years during the recession. Construction rolled out in phases from roughly 2019 through 2021, and the community is now fully built and reselling on the open market like any other neighborhood.

Do the arithmetic and 324 units is close to one in every ten homes in Millis. That is an enormous share of a small town's housing stock to concentrate inside a single, age-restricted, HOA-governed community with its own price band, its own buyer pool, and its own pace of turnover.

Recent resales inside Regency at Glen Ellen have closed at prices like $586,380, $802,796, and $907,723 for individual units, and spring 2026 listings inside the community carried asking prices between $909,000 and $1,150,000. That is a genuinely different market from a three-bedroom Cape or Colonial on a quarter-acre lot elsewhere in town, and it is a market that trades on its own rhythm. If four Glen Ellen resales close in the same month as three traditional single-family sales, the blended town median tilts hard toward the condo price band. If the mix flips the next month, the median swings back.

In a town with tens of thousands of housing units, one development this size would barely move the needle. In a town with 3,300, it can swing the headline number by tens of thousands of dollars from one reporting period to the next, without anything in the underlying market actually changing.

Two Markets Under One Median

Neither column is the "real" Millis. Both are. A blended median just averages them together and hands you a number that describes neither market particularly well.

Why This Actually Matters If You're Comparing Towns

If you are weighing Millis against Medway, Wrentham, or another MetroWest town using the median price you saw on a portal, you are not necessarily comparing like to like. A neighboring town without a large single development inside its housing stock will have a median that tracks its traditional single-family market fairly closely. Millis, right now, does not work that way.

The practical fix is simple even if portals rarely make it easy. Ask for, or ask your agent to pull, the median filtered by property type, not just by town. A single-family median for Millis compared against a single-family median for the town next door tells you something real. The blended town-wide number, on its own, tells you less than it looks like it does.

This cuts both ways depending on what you're shopping for. If you're a family looking for a detached single-family home with a yard, the town-wide median that includes Glen Ellen resales may be pulling the number in a direction that doesn't reflect what you'll actually pay. If you're 55 or older and specifically interested in a low-maintenance resale inside an established amenity-rich community, the traditional single-family median is the number that doesn't apply to you, and Glen Ellen's own resale range is the one worth tracking.

What's Coming Next Won't Simplify It

Millis isn't done adding housing that doesn't look like its traditional single-family stock. A 29-unit project on Main Street, developed by Corrigan Development and designed by Winslow Architects, combines affordable housing with about 3,000 square feet of commercial space and carries a roughly $15 million budget. As of 2026 it remains in the design phase, so it won't be closing sales anytime soon, but it's one more example of new inventory in Millis that won't behave like the town's existing single-family stock once it does come online.

Separately, Gateway at Millis, a 48-unit rental community on Main Street with a portion of units designated affordable, ran its Phase 2 application lottery from mid-February through mid-April 2026. That project is rentals, not sales, so it won't move the median home price directly. But it's a reminder that Millis's housing stock keeps diversifying in ways that don't fit neatly into a single town-wide number, whether you're looking at sales or rentals.

None of this means Millis's numbers are unreliable. It means a small town absorbing a few large, distinct developments will always show more volatility in its blended statistics than a town where every home looks roughly like its neighbor. That's not a flaw in the data. It's a feature of how medians work in small markets, and it's worth knowing before you let a single headline number talk you out of, or into, a town you haven't actually looked at closely yet.

A Few Questions Worth Asking Directly

Does this mean Millis is more or less affordable than the median suggests? It depends entirely on which segment you're comparing. The traditional single-family market and the Regency at Glen Ellen resale market can move in different directions in the same quarter. Ask for the number that matches the kind of home you actually want.

How should I use the median price if I'm comparing Millis to a neighboring town? Compare single-family to single-family, or condo to condo, rather than town-wide blended medians. A town without a large single development inside its housing stock will have a more stable blended number by default, which makes an apples-to-apples comparison harder unless you filter by property type on both sides.

Is Regency at Glen Ellen a good option if I'm downsizing? It's worth a look if you want an established, amenity-rich 55-plus community with an active resale market rather than new construction. Recent resale prices and current listings give you a real sense of what units are trading for today, which is more useful than the town-wide median for this specific decision.

If you're trying to make sense of what a specific number actually means for the home you're picturing, whether that's a Cape on a quiet street or a resale inside Glen Ellen, I'm happy to walk through the current listings with you and explain what's actually driving the price you're seeing. Eileen Mason has spent over two decades working Franklin and the surrounding MetroWest towns, including Millis, and can help you read a market number the way it deserves to be read. Let's Connect.