STAIRWAY, FROM FIRST FLOOR - Carolans, 565 Remillard Drive, Hillsborough, San Mateo County, CA Medium: 5 x 7 in. sm_carolans-interior-staircase_m

When Hillsborough's historic de Guigne estate first listed for $100 million more than two years ago, it came with some very interesting conditions attached. The home's current owner, Christian de...

On a February day in 1985, the Bay Area’s most opulent mansion became a house of horrors.

Aerial view of Carolands Chateau, Hillsborough, California - In 1912, Harriett Pullman Carolan acquired over 500 acres of land in present day Hillsborough, California, on which to build her dream house. She had been actively planning to create a house and garden that would excite "the wonder and admiration of America" and reflect her refined and cultivated interests.

Elegant Mediterranean style mansion in Hillsborough // Listed by: Stanley Lo | Green Banker // #luxuryhomemagazine #luxuryhomes #luxuryrealtor #luxuryrealestate #luxe #luxury #home #house #abode #style #architecture #design #inspiration #homeinspiration #lifestyle #decor #magazine #realestate #luxurylife #realtor #homedesign #hillsborough #california

Dennis Mayer Photography www.chilternestate.com

Mansion Floor Plans: 3115 Ralston Avenue, Hillsborough, California

House of the Week: from Curbed.com

A castle in Silicon Valley.

Gorgeous Hillsborough home with insane detail. Chiltern Here's a few pictures from the link above. Total of 75 photos.