The “AI Boom” Effect
What's Really Happening in Silicon Valley — and What It Means for Southern California's Luxury Market
If you've seen the headlines this summer, you've probably done a double take. Homes in San Francisco selling for a million dollars — sometimes two — over asking. A modest six-bedroom home listed at $7.95 million closing near $15 million. Compass's own chief economist calling the data “absolutely bananas.”
It's not hyperbole. It's the clearest picture yet of what happens when a wave of concentrated wealth meets a market with almost nothing to sell.
140+
San Francisco homes sold at least $1 million over asking during the first half of the year.
What's Actually Driving This
The short version: artificial intelligence has created a new class of highly liquid buyers, and they are almost all trying to live in the same few square miles.
More than 140 San Francisco homes sold at least $1 million over asking in the first half of this year alone, with 44 of those sales landing in June — a jump of well over 1,000% compared to the same period just two years ago. Much of the activity is concentrated in a handful of neighborhoods, and much of it is being fueled by AI compensation packages, equity windfalls, and — perhaps most tellingly — anticipation. With OpenAI and Anthropic both reportedly moving toward public offerings, buyers who expect a fresh wave of paper wealth to hit the market are racing to secure real estate before that wealth arrives and prices move even further out of reach.
1,000%
Increase in $1M+ over-asking sales compared to the same period two years ago.
What makes this cycle unusual isn't just the size of the numbers. It's how narrow the boom is.
Economists tracking the data have noted that this isn't a broad-based, rising-tide market — it's a small, high-income population moving quickly in a supply-constrained environment. Nearby counties haven't seen anywhere near the same intensity. This is a story about scarcity meeting concentrated liquidity, not a story about the broader economy.
Why This Matters Beyond the Bay Area
It's tempting to view this as a Northern California curiosity. We'd encourage you not to.
Every major wealth-creation cycle in modern American history — the dot-com boom, the pre-2008 run-up, the post-pandemic remote work migration — has eventually sent capital south, toward Southern California's coastal and equestrian luxury enclaves. Buyers who build wealth in the Bay Area frequently look for a second home, a retirement landing spot, or simply more space and privacy than San Francisco or Silicon Valley can offer. Rancho Santa Fe, La Jolla, Del Mar, and Santaluz have long been on the receiving end of that migration.
We're already seeing the early signal locally. San Diego's ultra-luxury tier — particularly homes above $5 million — is tightening in a way that closely mirrors the Bay Area's dynamic, just at an earlier stage.
22%
Year-over-year increase in pending San Diego home sales above $5 million.
Pending sales above $5 million rose nearly 22% year over year, the strongest gain of any price tier countywide, while months of supply in the $2–5 million range has tightened by roughly a quarter over the past year. Trophy homes over 6,000 square feet were the only size category to post meaningful price gains this spring — everything else was flat. That's not a coincidence; it's the same scarcity dynamic playing out at a different altitude.
A Tale of Two Markets, One Underlying Force
San Francisco's overbidding phenomenon and San Diego's tightening luxury tier are, in many ways, two chapters of the same story: a small population of highly liquid buyers competing for a genuinely limited supply of exceptional homes. In the Bay Area, that story is being written in real time, in cash, and in eye-popping premiums. In San Diego, it's showing up more quietly — in shrinking months of supply, in trophy-tier price strength, and in the growing number of out-of-area buyers quietly circling Rancho Santa Fe, La Jolla, the Covenant and Santaluz.
For our sellers, this is worth understanding clearly: the buyer pool at the top of the market is not shrinking. If anything, it is being replenished by wealth that didn't exist in this form even three years ago. For our buyers, it's a reminder that the “wait and see” approach carries real risk when the pool of serious competition can expand overnight, seemingly out of nowhere — much the way it did in San Francisco this spring.
A Note From Our Team
We watch these trends closely because they shape decisions our clients are making right now — whether it's the right time to list a Santaluz estate, how to position a view property against a thinning buyer pool, or how to think about timing in a market that can shift quickly.
The story unfolding in Silicon Valley is a reminder that luxury real estate markets are often driven by forces that extend well beyond local boundaries. New wealth, limited inventory, and changing buyer behavior have historically influenced Southern California's premier communities, and today's market appears to be following a familiar pattern.
Whether you're considering selling, actively searching for your next home, or simply keeping a close eye on market trends, understanding these broader economic forces can provide valuable perspective when making real estate decisions.
If you'd like to discuss what these trends could mean for your property or your real estate goals, we're always happy to have a confidential conversation and share our perspective on today's luxury market.
Warmly,
Gloria Shepard Team | Compass
Source: Compass International Holdings, The San Francisco Standard, Redfin, San Diego Association of REALTORS®, and MLS market data. Statistics are current at the time of publication and are intended for informational purposes only. Real estate markets are subject to change.
