San Francisco: AI money is pulling workers back, and supply can't respond

San Francisco County is 47 square miles, and right now it's absorbing a wave of AI money it has almost no room to build for. That collision — surging demand, fixed supply — is the whole story.

First, the number people keep misquoting

You'll see SF's median quoted around “$1.4M.” That's the broader Bay Area region figure — and it actually slipped about 1.3% year-over-year. San Francisco County's April 2026 median was roughly $2,127,500, up 19.5% year-over-year — the largest county gain in the state. Same “SF,” very different number.

AI is the demand engine

OpenAI is taking on the order of a million square feet of San Francisco office space; Anthropic has more than 1,300 Bay Area employees and is growing. (Despite the hype, xAI is headquartered down in Palo Alto, not the city.) The wealth effect is real, and a lot of it stays local.

The employees, especially the earlier employees, are going to be rewarded, and they are, to a large extent, local. So that's money that stays.

Enrico Moretti, economist, UC Berkeley

Supply literally cannot respond

Inventory has stayed punishingly tight. The pressure valve everyone points to — converting empty offices to housing — is moving at a crawl: as of this spring, only one major conversion (785 Market, 124 units) was actually under construction, even after the city's February 2026 financing district aimed at roughly 50 buildings and ~4,400 potential units.

47 square miles, a wall of AI money, and almost nothing to buy.

My read for clients: if you're competing for San Francisco inventory right now, you're up against newly liquid tech wealth in a market with barely any supply. Conversions will help — eventually — but “eventually” is doing heavy lifting. In a market this tight, strategy and speed matter more than your top number. Let's build a plan before you start touring.