Yes, a Mill District penthouse in Healdsburg just set a Sonoma County record: $7.8 million, or $2,448 a square foot, the highest price ever paid for a condo in the county. That is the number everyone is repeating. The more useful story sits underneath it. At Mill District, several units have seen real price erosion, and some of the earliest buyers are now trying to resell at or below what they paid. The important part is that this is a Mill District pattern, not a Healdsburg one, and it is close to what you would expect from a new resort-style development.
The erosion is real
Start with the record itself. That penthouse first listed at $8.6 million and sat for about a year before it was pulled, relisted this May at $7.8 million, and sold. A remarkable price, and still an $800,000 cut from where it began. The clearer signal is on resale. One studio that sold new for $867,000 in 2024 is back on the market at $799,000, below what its owner paid. Another studio bought for $900,000 has been relisted at $999,000 and has sat unsold for more than 450 days. Even the larger plans show it: the three-bedroom garden homes that resold earlier went for $6.2 million, $6.275 million, and as high as $7.272 million, yet three remain available today listed between $4.65 million and $4.85 million, well over a million dollars below where the same plan once traded.
This is a Mill District story, not a Healdsburg one
Here is the distinction that matters. While those resale prices softened inside one development, the wider Healdsburg market did the opposite. The typical Healdsburg home sold for a median of $1.33 million in the second quarter of 2026, up 9 percent on the year. The town's values rose. A handful of Mill District units slipped. Those two facts sit side by side, and confusing one for the other is a mistake.
It is also why I would be careful reading Mill District's per-square-foot figures across to your own home. People see $2,448 a foot on the penthouse, or the roughly $1,900 a foot a studio once fetched, and assume their Healdsburg house must be worth something similar. It is a completely different proposition. A resort-style condo and a traditional house are not the same product, and the loudest number from one will not value the other. If you want a real read on what your own Healdsburg home is worth, it has to be measured against genuine comparables.
Why a new resort development does this
In a phased project like Mill District, the developer keeps creating and releasing brand-new homes for years. An early buyer who wants to resell is competing head to head with the developer's newest inventory, often freshly finished and sometimes furnished. That competition caps what a resale can fetch until the developer has sold through. The garden homes add a product wrinkle on top: they are two-story residences with no internal elevator, and for a development whose buyers skew older and want low-maintenance, lock-and-leave living, stairs with no elevator were always going to be a hard sell. None of this means Mill District was a poor buy. Canopy, the Olson Kundig-designed first phase, sold about 70 percent of its 43 homes in the first year and is nearly sold out now. As that developer inventory runs dry, the pressure on resale prices should ease.
The lesson for off-plan buyers
Buying off-plan in a development like this can work very well. The mistake is selling early. My view is simple: when you buy into a phased resort development, you never want to be the one reselling while the developer is still selling. Hold until the project is built out and the developer stops competing with you, and the same scarcity and lifestyle that make these homes desirable start working in your favour. Sell into the middle of the build-out and you become the discount option sitting next to a shiny new release. That is the difference between a good off-plan purchase and a disappointing one, and it has far more to do with timing your exit than with the building itself.
If you own at Mill District or nearby and want an honest read on value, or you are weighing a purchase there, you can see what is currently on the market on our listings page, or email me directly at david@bruingtonhargreaves.com.
About the Author
David Hargreaves is the co-founder of BruingtonHargreaves, one of Sonoma County's top-ranked real estate teams and part of W Real Estate. Originally from the UK and an Oxford University graduate, David built and ran a digital marketing agency serving Google, Facebook, and other major brands before becoming one of Sonoma County's top agents within three years of entering real estate.
Today he and business partner Jonathan Bruington have sold more than $232 million in Sonoma County homes over the past three years, earning recognition as a RealTrends No. 2 team in the county and the No. 1 team in Healdsburg. David specialises in helping Bay Area buyers and sellers with luxury properties and vacation rentals across Healdsburg, Windsor, Santa Rosa, and the Russian River communities.
He lives in Sonoma County with his wife Nancy and is happiest cycling the back roads, exploring local wineries, or behind a camera. Have a question about buying, selling, or building in Wine Country? Book a free call.