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Belvedere’s Lava House lots are listed for $30 million

The four vacant Belvedere Avenue lots where Jerry Ganz spent two decades fighting to build, known as the Lava House site, are for sale as one package for $30 million.

VIA OPEN HOMES PHOTOGRAPHYLava rock laid by Jerry Ganz’s crews decades ago still covers the slopes of the four vacant Belvedere Avenue lots known as the Lava House site. The lots are now listed together for $30 million.
Kevin Hessel
By KEVIN HESSEL · 1 min read

The four vacant Belvedere Avenue lots where the late seat-belt manufacturer Jerry Ganz spent two decades fighting to build, the site of the ruin known locally as the Lava House, are for sale as one package for $30 million.

The parcels at 399, 401, 415 and 419 Belvedere Ave. total about 2.75 acres above Richardson Bay, with views of the Golden Gate Bridge, the San Francisco skyline and Mount Tamalpais. The Sarkissian Bullock Team of Golden Gate Sotheby’s International Realty listed the land in mid-September and publicized it in an Oct. 29 news release.

The lots will not be sold separately, said Kevin Daniel Dwyer, the brokerage’s chief marketing officer. The site remains fenced, and showings are limited to “vetted, qualified buyers,” whom the agents walk through the property themselves, he said.

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A version of this story will appear in the Nov. 4, 2026, print edition of The Ark. See something wrong? Request a correction.
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