When Mike and Kari Zazzara began looking for a home where their family could spread out in Marin County, Calif., they thought what they wanted was a teardown.
Experienced renovators, they had already demolished and rebuilt one home in San Francisco and were looking forward to doing the same thing in a new place, so they could create exactly what they wanted.
That was before they stumbled on a listing for a house they hadn’t expected: a low-slung modern home in Kentfield, designed in 1946 by the architect Henry Hill, of Mendelsohn, Dinwiddie and Hill.
“We saw this house, and it really resonated with us,” said Mr. Zazzara, 49, a banker who works in construction financing.
“I just fell in love with the lines, the views and the location,” said Ms. Zazzara, 47, adding that the home had been featured in House & Garden magazine in 1948. “It was a