Every week, a founder or a fund partner asks me some version of the same question over coffee on the Croisette: "Léa, if I pulled equity out of a property in Atherton and put it into a villa above Cannes, would the numbers actually work?" It's a fair question, and one I'm uniquely placed to answer. I spent years living in the Bay Area — studying in California, later based near Atherton — before returning home to the Riviera to sell luxury real estate. I've watched both markets closely from the inside.
The honest answer is that "better" depends entirely on what you're optimizing for. Silicon Valley real estate and the French Riviera are two very different assets that happen to share a price tier. Comparing them well means being precise about what each one actually delivers.
The appreciation story: two different engines
Silicon Valley property has been, for two decades, one of the great wealth-compounding machines on earth. Its appreciation is tightly coupled to a single, extraordinary economic engine: the tech industry, the IPO cycle, and a chronic shortage of housing against relentless demand. When that engine runs hot, values move fast.
The flip side is concentration. A Menlo Park or Palo Alto home is, in portfolio terms, a leveraged bet on one industry in one region. When tech corrects, the local high end feels it.
The French Riviera behaves differently. Prime coastal markets — Cap d'Antibes, the hills above Cannes, the peninsula of Saint-Tropez — have historically appreciated more slowly and more steadily than Bay Area peaks, but with far less volatility. The demand base is genuinely global: American, British, Middle Eastern, Scandinavian, and increasingly Asian buyers all competing for a supply that is physically fixed. You cannot manufacture more waterfront on Cap d'Antibes. That scarcity is the whole thesis.
What this means in practice
If your goal is maximum capital appreciation over a five-to-ten-year horizon and you can tolerate swings, Silicon Valley has historically been hard to beat. If your goal is capital preservation — parking wealth in a tangible, globally desirable asset that tends to hold its value through cycles — the Riviera has a strong case. Many of my clients aren't choosing one over the other; they're diversifying out of a Bay Area position that already represents an outsized share of their net worth.
Yield: the rental math is not the same
This is where the comparison surprises people. Long-term residential rental yields in Silicon Valley are famously thin relative to purchase prices — the appreciation is the return, not the rent.
On the Riviera, the picture is more nuanced and often more attractive for a lifestyle asset. A well-positioned luxury villa can command remarkable short-term rates during the summer season — the weeks around the Cannes Film Festival, the Grand Prix in nearby Monaco, and the July-August peak. A property that sits empty much of the year in California can, on the Riviera, generate meaningful seasonal income precisely during the months you're least likely to want to be there fighting the crowds yourself.
That said, seasonal rental income comes with real obligations: French rules around furnished tourist rentals, local registration requirements, and the tax treatment of that income are specific and evolving. I always tell clients to model the yield after management fees, taxes, and vacancy — not off the headline nightly rate.
The costs that eat into returns
No ROI conversation is complete without the friction, and the friction differs sharply between the two markets.
In California, your recurring drag is dominated by property tax and, for many buyers, financing costs. Transaction costs on the way in are relatively modest.
In France, the structure is almost inverted. Acquisition costs are higher — notaire fees and transfer duties on an existing property are a real number you must budget for up front, and they meaningfully affect your break-even horizon. Annual carrying costs (the taxe foncière, copropriété charges in a domaine, insurance) exist but are often lower than American buyers expect for the caliber of property. And high-value real estate in France may fall within the scope of the wealth tax on real estate assets, the IFI, which has no American equivalent and needs to be factored in before you buy, not after.
The practical takeaway: French luxury real estate tends to reward the patient holder. The higher entry costs mean short flips rarely make sense, but the lower annual drag rewards a buyer with a five-year-plus horizon.
Currency and the cross-border angle
For an American buyer, exchange rates are a return driver in their own right. When the dollar is strong against the euro, your purchasing power on a euro-denominated asset improves — and if you eventually sell and repatriate while the dollar is weaker, the currency move can add to your return independently of what the property itself did. It cuts both ways, of course, and currency should be treated as a variable to manage, not a bet to make.
There's also a diversification argument that resonates with my Silicon Valley clients specifically: a euro-denominated hard asset, held outside the US, is a genuine hedge against having both your career income and your real estate exposure concentrated in a single currency and a single economy.
The return that doesn't show up in a spreadsheet
I'd be doing you a disservice if I pretended this were a purely financial decision. A Bay Area home is, for most of my clients, a place they endure a commute from. A villa in Mougins or an apartment on the Croisette is somewhere they actively want to be — a base for the summer, a place to bring family, a headquarters for the European side of a business. That lifestyle "dividend" is real, even if no analyst will underwrite it.
The most successful purchases I've handled treat the lifestyle value as the primary return and the financial performance as a welcome constraint: buy something you'll genuinely use and love, in a location where scarcity protects your capital, and let the appreciation and rental income be the bonus rather than the thesis.
So — which is better?
If you need aggressive, concentrated growth and nothing else matters, Silicon Valley's track record speaks for itself. If you want to diversify a US-heavy balance sheet into a resilient, globally desirable, euro-denominated asset that also happens to be one of the most beautiful places on earth to spend your summers, the Riviera is compelling in a way a Palo Alto tear-down never will be.
For most of the executives I work with, the smartest move isn't Silicon Valley or the Riviera — it's using strength in one to build a position in the other.
Every buyer's situation is different, and the tax, currency, and legal dimensions of a cross-border purchase are genuinely complex. Nothing here is personalized investment, tax, or legal advice — before you commit capital, please work with a licensed cross-border tax advisor and a French notaire who can model the specifics for your circumstances. When you're ready to look at what's actually available and run those numbers against real properties, that's exactly the conversation I love to have.
