AI startups shift San Francisco's tech center into smaller neighborhoods

Return-to-office mandates and a surge in AI startups have led companies to cluster in smaller San Francisco neighborhoods such as the Design District, where reported office rents are lower than in the Financial District and Mission Bay.

AI startups and return-to-office policies are encouraging small clusters of firms to move into San Francisco neighborhoods outside traditional office districts. The Design District, once an industrial area, has drawn several AI companies attracted to lower rents, reconfigurable space, and a more walkable, mixed-use environment. Some founders and operators say being near other builders helps with collaboration and informal partnerships. City officials and economists caution that the overall economic impact across the city remains uncertain. Key developments: - A Cresa fourth-quarter 2025 report is cited showing office rent in the Design District at about $59.53 per square foot, compared with $70 or more per square foot in the Financial District and Mission Bay. - The article places Together AI in the Design District and reports that companies such as Virtual AI, Applied Compute, Rox AI, and Curai Health share its building, with Scale AI, Resolve AI, and Gamma located within a few blocks. - The article mentions Together AI is in talks to raise a funding round at a reported $7.5 billion valuation and that the clustered companies have a combined valuation of more than $40 billion. - The piece notes other moves into smaller neighborhoods, including Airbnb establishing headquarters in the Design District (2013) and renewing a ten-year lease in 2024, and Thinking Machines Lab occupying a 72,000-square-foot former factory in the Northeast Mission. - DoorDash reported that weekday lunch deliveries to San Francisco commercial addresses increased 15.7% from 2024 to 2025, cited in the article as an example of rising demand for food and catering near offices. - City economist Ted Egan is quoted saying tech job listings in the city remain about half of pre-pandemic levels and that the spending profile of today's AI startups may produce different local economic effects than prior tech waves. Summary: AI startups are concentrating activity in smaller, mixed-use San Francisco neighborhoods where space is cheaper and more flexible, and some local service demand has risen. Officials and economists say the pattern of hiring and spending differs from past tech booms, so the broader citywide economic impact is not yet determined. Undetermined at this time.