Owner of 100-acre property in suburban SF’s Alamo aims to subdivide

The owner of a 100-acre estate in Alamo, a San Francisco suburb about 30 miles east of the city, wants to divide the property into 17 parcels.

The land, once owned by Australian venture capitalist Kevin Kalkhoven, is in the foothills of Mount Diablo, the San Francisco Business Times reported. The lots would range in size from 19.5 acres to 1.3 acres. The only home on the property, a 22,000-square foot house at 10 Serenity Lane, will remain intact and occupy one of the parcels.

The interior views (10 Serenity Lane)

An LLC affiliated with Kalkhoven sold the 101.5-acre property last June to Germany’s Elleke Holding Vier for $16.9 million, less than six months before the 77-year-old died.

The home, valued at $30 million by the IRS, was listed for $19.5 million before selling below asking. It has 12 bedrooms, 15 bathrooms, a 20-car showcase car barn, manicured gardens and a swimming pool. The home sits among eight acres of producing vineyards and has a finished wine cellar.

St. Moritz Dorf, the Kalkhoven affiliate that sold the property, applied in 2020 to divide the property into a 22.9-acre parcel and a 78.6-acre parcel, seeking to make the single-family home easier to sell.

The interior views (10 Serenity Lane)

Neighbors raised concern about any future development on the property. The eastern half is zoned for low-density residential development and the western side is in agricultural land. The zonings allow for at least one single-family residence to be built per lot.

The neighbors who formally appealed the previously proposed subdivision said the property owners should have to disclose their intent to develop the property. Though the appeals were denied, the application to divide the lot into two was withdrawn.

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[SFBT] — Victoria Pruitt