Slack CEO sells Presidio Heights home for $19.2M

Stewart Butterfield and his wife, Away CEO Jen Rubio, listed their seven-bedroom Victorian in mid-September.

Away's Jen Rubio and Slack's Stewart Butterfield with 3636 Clay Street (LinkedIn, Getty, Redfin)
Away's Jen Rubio and Slack's Stewart Butterfield with 3636 Clay Street (LinkedIn, Getty, Redfin)

Slack CEO Stewart Butterfield and his wife, Away CEO Jen Rubio, have sold their 8,000-square-foot Presidio Heights Victorian for just under $19.2 million, or about $2,400 per square foot, according to property tax records.

The billionaire tech and travel power couple listed 3636 Clay Street for $19.8 million on Sept. 13 with Sotheby’s International Realty agent Neil Bassi. They decided to sell the seven-bedroom turn-of-the-century home they bought in 2019 for $19 million because they have relocated to Colorado, a Sotheby’s spokesperson told the Wall Street Journal when the home first came to market.

In addition to the Aspen home they bought for $25 million in January 2021, they also own a $32 million estate in the Hamptons and a $20 million Tribeca townhouse with a skybridge they plan to use for offices and event space for their foundation, according to the Journal.

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Bassi did not return a request for comment on the sale but the home had at least three offers, according to an industry source. The listing was removed on Oct. 6 because it went into contract, a move Bassi often employs to offer extra privacy for his clients, the source said.

The home sold on Oct. 14 and the quick close strongly indicates an all-cash deal. The buyer is an LLC called Clay Street Holdings, which lists its address as 235 Montgomery Street, a downtown office building owned by Shorenstein Properties and popular with law firms.

The close is one of the biggest in San Francisco this year, with a slow fall season for the ultra-luxury segment following a spate of high-profile sales in the $30 million range during the summer. To date, 3636 Clay ranks as the fourth-biggest SF residential sale of 2022, after the $34.5 million sale of a Gold Coast fixer to the owners of the Tampa Bay Buccaneers; Mark Zuckerberg’s $31 million sale in Mission Dolores; and the two Russian Hill penthouses of former secretary of state George Shultz, which went for a combined $29 million to a single buyer.

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