House a mystery no more

  • From the left, Kristin McFarland, Bill Jasper, Robert Baumann, Jon Curry and Christine Curry have renovated the decrepit Sonoma Mystery House on Wednesday, August 7, 2013. The mansion built in 1910 has not been occupied since 1978, but has recently undergone a large restoration bringing the house back to life with historical accuracy. (Conner Jay/The Press Democrat)

For more than 30 years it was Sonoma's "mystery house," an abandoned bungalow choked behind overgrowth and taken over by wildlife. Vandals helped themselves to interior trim, graffiti artists sprayed the walls and several generations of teenagers snuck in to party.

But what was once one of Sonoma's creepiest houses, ironically neighboring the grand Sebastiani family home on Fourth Street East, has gotten a massive, $2.5 million makeover.

When Bill Jasper in 2006 bought an adjoining property further up the hill with access from Second Street East, he didn't even know the old house was behind him.

Sonoma 'Mystery House'


Eventually, however, the house at 131 Fourth St. E. came on the market after sitting abandoned for some 33 years. Jasper bought it for $1.5 million, mainly with the intent of gaining better access to the flag-shaped lot he owned above it.

A self-described "history buff," Jasper is the former president and CEO of Dolby Labs, the famed sound engineering and digital entertainment company, and a principal in Sonoma Media Investments, which owns the Press Democrat. He was also intrigued by the challenge of unraveling the mystery of the house and bringing it back to life.

He put together a triage team that included, among others, Sonoma architect Robert Baumann, Sonoma general contractor Jon Currie and Currie's designer wife, Christine. Their mission? To rescue the once grand address from wrack and ruin while maintaining the historic appearance of the century-old dwelling. Now the brown-shingled, two-story bungalow, perched on a knoll behind original stone pillars and fountains, is one of the most striking houses on the street.

The house was built between 1907 and 1910 by Christian C. Bosse, a German immigrant and merchant in San Francisco who earned his fortune in the late 19th century working for a firm with large plantation interests in Hawaii. Originally it was only a single-story, square bungalow, but Bosse made it beautiful.

His obituary, according to Jasper's research, noted that he had "transformed (the property) into a beautiful country estate and the home embodied the exquisite taste of its owner, a real connoisseur. Here he dispensed lavish hospitality to many of his former San Francisco associates and a few local friends."

After his death, it was a chicken farm for about 15 years and changed hands probably a half-dozen times before Raymond J. Martelli bought it for his mother, Mabel Perrino, in 1966.

After Jasper purchased the property through a conservator for Martelli — by then suffering from dementia — he heard from Martelli's niece, who related how her uncle initially fell in love with the house and was eager to fix it up. In 1968 he had moved in and set about trying to get permits. But he ran into trouble with the city and abandoned the house for several years.

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