The Laurel Canyon home is known for its association with the late Beatle.

Barbara Butler has spent nearly four decades building tree houses all across the country. But when the Hayward-based timber expert spoke to SFGATE on Tuesday, she started the call with bewilderment.

OWOSSO, MI – This massive weeping willow is the centerpiece of a Mid-Michigan backyard – and the main reason the owner bought the house. Kathy Briggerman bought her Owosso home 10 years ago. “I’m a ...