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Former Yelp office building in San Francisco is almost full again

Tech deals bring Pacific Telephone Building to 94% leased amid AI-driven comeback
The Pacific Telephone and Telegraph owned the tallest building in San Francisco when its office opened at 140 New Montgomery St. in 1925. (CoStar)
The Pacific Telephone and Telegraph owned the tallest building in San Francisco when its office opened at 140 New Montgomery St. in 1925. (CoStar)
CoStar News
March 9, 2026 | 11:59 P.M.

A century-old office tower in downtown San Francisco that previously housed the headquarters of online review platform Yelp is almost fully leased, the latest sign of the city’s AI-driven comeback.

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News | Former Yelp office building in San Francisco is almost full again