An $11.8 million compound for sale across the bay from San Francisco was once owned by a brothel madam who became a small-town mayor. Here’s what it’s like at Valhalla, which may become the area’s next private social club.

Sausalito's Valhalla was once owned by Sally Stanford, prominent brothel madam and Sausalito city mayor. Now, it could become "the Battery for Marin."