Historic Filston Estate Built for Colgate Fortune Heir Fetches More Than $8 Million at Sale
A San Francisco home built for a member of the Colgate toothpaste family just sold for $7.5 million, more than $700,000 above its $6.795 million asking price.
It hit the market in late April. It found a buyer in under three weeks. And in a city where history is colliding with AI money right now, the timing couldn’t have been better.
The House and the Name Behind It
The property sits in Alamo Square, one of San Francisco’s most recognizable neighborhoods, steps from the famous Painted Ladies.
Built in 1903, the Edwardian-style home was designed by architect Frank Van Trees for Joseph Colgate-McQueen, a member of the same Colgate family behind the toothpaste brand. The historic exterior has been preserved over 120+ years.
Inside, a major structural renovation in the mid-2000s opened up the layout while keeping the old bones intact.
The home spans about 5,500 square feet across four levels. Six bedrooms, a lower-level theater, a restored two-room carriage house, and outdoor space on every floor. The primary suite on the top level has a skylit bathroom and a deck with downtown views.

Mansion Global
The sellers bought it in 2009 for $2.9 million. They’re walking away with $7.5 million. That’s nearly 160% return in 16 years, and they didn’t even have to wait for the market to cool down.
Why This Matters
This sale didn’t happen in a vacuum. San Francisco’s housing market is running hotter than it has in years, and AI money is the reason.
San Francisco’s median house price jumped to a record $2.15 million in March, up 18% from a year earlier, as wealth generated by AI startups flooded the city.
On average, homes were selling for 23% above the asking price, and houses were on the market for an average of just 20 days.
The number of homes listed for sale dropped 28% compared with March of last year. Less supply, more AI-flush buyers, the math writes itself.
Compass analyst Patrick Carlisle put it plainly: the market is being “fueled by the new employment and wealth generated by the AI startup boom.”
Listing agents Mollie Poe and Declan Hickey said it best after the Colgate mansion closed: “San Francisco is back. And the people who never left? They’re scaling up, showing up with winning bids and doing whatever it takes.”
If you follow how legacy properties move in markets like this, there’s a WhatsApp channel tracking these kinds of real estate shifts as they happen, worth having in your feed.
Gilded Age Homes Are Back in Demand
This isn’t a one-off. Across the country, historic properties with strong provenance are drawing serious buyers willing to pay premiums.
We covered how Dr. Seuss’s Southern California home sold for $9 million, buyers there paid above market too, drawn by the story attached to the property.
And Jake Paul dropped $39 million on a 6,000-acre Georgia ranch, same logic at a different scale.
What’s shifting is buyer psychology. A renovated Edwardian mansion with a brand-name lineage in a walkable San Francisco neighborhood isn’t just a home anymore. It’s a statement, and buyers in 2025 are paying for that.
Compare this to Hulk Hogan’s Florida mansion, which sat unsold even after a $2 million price cut. The difference? Provenance plus condition plus location. The Colgate mansion had all three. Hogan’s didn’t.
Key Takeaways
The Colgate-McQueen mansion sold fast and over ask because the right property met the right market at the right moment.
AI wealth is real, it’s concentrated in San Francisco, and it’s chasing a shrinking pool of historic, turnkey homes. When a fully restored Gilded Age estate hits the market, buyers don’t wait around.
Gilded Age estates aren’t just a nostalgia play. Right now, they’re one of the smartest real estate bets in the country.
Would you pay a premium for a home with this kind of history? Or does the 120-year-old price tag feel like too much? Drop your thoughts in the comments, genuinely curious where people land on this.
For more stories like this, real estate moves, market shifts, and homes that actually have a story, follow Build Like New on X and Facebook. We cover these as they happen.
Disclaimer: This article is for informational purposes only, based on publicly available reports and market data at the time of publication.


