There is no such thing as the Sonoma County housing market. In the second quarter of 2026, Petaluma sold about 92% of its available homes each month while Healdsburg sold about 14%. Two towns barely 40 miles apart, in the same county, in the same three months, running completely opposite markets. And the closer you look the stranger it gets, because inside each town the price segments are moving in different directions too. The countywide number everyone quotes is an average of averages. The real market lives one and two levels below it, in the micro-markets, and that is the only place worth looking if you are actually buying or selling.
Start with the county headline, then throw it away
For the record, the county as a whole tightened this year. Absorption, the share of listed homes that sell in a month and the cleanest read on demand, rose from about 27% to 33% year over year, inventory fell, and sellers now close at about 99% of asking. That is a real and useful backdrop. It is also close to meaningless for any individual buyer or seller, because almost no one is buying the whole county. They are buying one town, at one price, and those two facts decide everything.
Seven towns, seven temperatures
Rank our submarkets by absorption in the second quarter and they spread across the entire spectrum, from red hot to genuinely cool:
- Petaluma: about 92% absorption, roughly 33 days on market, selling at 100% of list, with inventory down about 45% year over year. This is as close to sold out as a town gets.
- Windsor: about 47%, homes moving in the low 40s of days.
- Sebastopol: about 42%, and selling slightly over list price.
- Santa Rosa: about 41%, the county's steady volume engine.
- Russian River: about 26%, the most affordable entry point in the county.
- Sonoma, the city and its surrounding area: about 23%, but with the highest prices and the strongest appreciation.
- Healdsburg: about 14%, roughly 80 days on market, and the only submarket where inventory actually grew.
That last line matters. In a county where supply is tightening almost everywhere, Healdsburg is the exception, which is a big reason it reads as the calmest, most buyer-friendly town on the map even as Petaluma runs out of homes to sell.
Prices tell a second, different story
Temperature and price are not the same thing, and they do not line up. The county's median sale prices this quarter ran from about $586,000 in the Russian River area to about $1.27 million in the Sonoma area, more than a two-to-one spread. Hot does not mean expensive: Petaluma is the hottest town but sits in the middle on price, while Sonoma is one of the coolest on pace yet the priciest and the fastest appreciating, up about 8% year over year. If you are trying to decide which Sonoma County town fits you, temperature and price are two separate questions, and every town answers them differently. Our guide to the county's top-ranked cities profiles each one, but the pace-versus-price split is the part that shifts every quarter.
There is a third axis too, and it is the one buyers feel most: negotiating power. In Petaluma, Sebastopol, and the Russian River area, homes are closing right at or just above their original asking price, around 100 to 101%. In Healdsburg and the Sonoma area, sellers are giving up real ground, closing around 91% and 94% of where they started. Same county, same quarter, and the gap between a bidding war and a negotiation comes down to which town you are standing in.
Now the wild part: the segments inside each town
Here is what almost no one publishes, and where the micro-market story really lives. Break each town into price bands and the bands often move in opposite directions inside the same town.
- The single hottest corner of the county is Petaluma under $1 million, where absorption ran about 127%. That is not a typo. More homes went into contract in a month than were actively for sale, because new listings sold almost as fast as they appeared. At the other extreme sits luxury in the coolest town, Healdsburg over $3 million, absorbing around 5% with homes averaging more than 100 days to sell. Same county, same quarter, and roughly a 25-fold difference in how fast those two segments move.
- Windsor is a town at war with itself. Its under-$1 million tier stayed hot, around 52% absorption, while its $1 to $3 million middle roughly halved its pace over the year. The bottom of the town is sprinting and the middle is sitting.
- Sebastopol looks like it cooled, because its overall median fell about 10%. It did not. Its affordable tier is surging, with the under-$1 million median up about 18%, while its $1 to $3 million tier softened slightly. More of the cheaper homes sold, which dragged the blended median down even though the entry market got hotter and pricier. The town number lies. The segments tell the truth.
- Santa Rosa flips the very same split the other way. Its under-$1 million median actually slipped about 3% over the year, while its $1 to $3 million tier rose about 10%. In Sebastopol the floor is pulling prices up and the middle is pulling them down. In Santa Rosa, the reverse. Two neighbouring towns, the same two tiers, moving in mirror image.
- Sonoma is the mirror image of everywhere else. In most towns the affordable end is the hot end. In the Sonoma area the entry tier actually cooled a little this year, while the high end woke up hard: the over-$3 million segment saw its pace jump and its prices climb sharply. Sonoma's energy is at the top, not the bottom.
One pattern that mostly holds, and where it breaks
If there is a countywide rule this year, it is that the under-$1 million floor is scarce and competitive almost everywhere, Petaluma at 127%, Santa Rosa and Windsor above 50%, Sebastopol in the mid-40s, even cool Healdsburg jumping to about 32%. And the $1 to $3 million middle is where patience is rising in the pricier towns, with days on market stretching in Healdsburg, Santa Rosa, and Windsor. But even that rule breaks the moment you cross a town line. Sonoma's entry tier cooled. Russian River's middle sped up. The only safe conclusion is that there is no safe conclusion at the county level.
A note on the numbers: the very top tier, over $3 million, is thin in most towns, often just one or two sales a month, so those segment figures are directional rather than precise. The direction, though, is consistent and worth watching. This is the same lesson the county taught us last year, when it split into three markets that told one story. This year it has splintered further, into towns and price bands that barely rhyme.
What it means for you
If you take one thing from this, let it be that the county headline, and even your town's headline, can point you in exactly the wrong direction. A Petaluma seller under a million and a Healdsburg seller over three million are not in the same market, the same decade, or the same negotiation. A buyer who reads "Sonoma County is tightening" and assumes they have no room is dead wrong in Healdsburg's middle tier and dead right in Petaluma's entry tier. The work, the real work, is knowing your specific micro-market, your town and your price band, before you list or make an offer. That is the number that decides your outcome, and it is the number we build for every client.
Have questions about how your specific town and price point are behaving right now? Email me directly at david@bruingtonhargreaves.com and I will pull the micro-market numbers for exactly where you are buying or selling.
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 $250 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.