San Francisco’s rental market is behaving like its home-buying market did during the pandemic’s worst bidding wars, only this time the fight is over apartments. Asking rents in the city jumped 14% between March and July 2026 alone, according to data reported by CoStar, pushing the average asking rent to $3,864 a month — more than double the national average and enough to reclaim San Francisco’s old title as the country’s most expensive rental market.
The increases are sharpest in the neighborhoods closest to the city’s AI employers. A studio in the Marina that rented for $2,500 a month in 2025 is now listed closer to $3,800, CoStar’s data shows, while a one-bedroom in Pacific Heights that went for $5,000 last year is now asking $6,500. Some units near transit corridors popular with tech commuters have climbed more than 50% since mid-2025.
CoStar’s reporting ties the surge directly to hiring at AI companies including OpenAI and Anthropic, which have been pulling in large numbers of well-compensated engineers and researchers, many relocating from other cities. Nigel Hughes, who leads analytics for CoStar, said the newly arrived hires are concentrating demand in specific neighborhoods, effectively turning them into “magnets for new hires” that price out renters without a six-figure tech salary. San Francisco’s own chief economist, Ted Egan, has described the broader trend as an accelerating period of economic growth “driven primarily by the AI investment boom” — good news for the city’s tax base, but a direct hit to renters competing for a limited supply of units.
What makes this cycle feel different from past San Francisco booms is the bidding-war mechanic itself. Landlords and leasing agents are increasingly asking applicants to name their own “maximum rent” in competitive situations — effectively an auction for a lease. Deborah Brown, a leasing agent with J. Wavro Associates, has confirmed the practice is now common in high-demand buildings. Tenant advocates say soliciting rent bids above the advertised asking price runs counter to California law, though enforcement against individual landlords remains difficult in practice. One renter who went through the process put it bluntly: “I reported it and everything, but it turns out that’s just something everyone does.”
The squeeze has created a cottage industry of its own. Lisa McCarrel, founder of the relocation service Move Bay Area, said her business has seen a wave of new clients who are tech transplants trying to navigate the bidding process for the first time, while some employers, including the fintech company Kikoff, have begun offering housing subsidies to help new hires compete. Not every renter has that backup: 22-year-old Kevin Alayo, who recently started at an asset management firm, said he expected to compete with other applicants but not to be asked outright how much more he was willing to pay.
For a city that spent much of the last five years watching rents fall as remote work emptied downtown offices, the reversal has been fast enough that longtime residents are now competing with a fresh wave of arrivals for apartments that, a year ago, sat on the market for weeks.
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