I couldn't find much reliable information about this Colonial Revival residence except that it was designed by "Mr. Peck" and built in 1906 and is for sale in February 2011 with an asking price of $8,650,000.

According to the advertisement on LuxuryRealEstate.com:

A Palo Alto classic, this turn-of-the-century home, built in 1906, is not only a major landmark of the city; it was placed on the National Register of Historical Places in 1980 as one of the finest examples of Colonial Revival architecture in Palo Alto. Rare quarter sawn white-oak flooring, milled balustrades, Douglas fir paneled walls, crown molding and built-ins are original to the home. The formal stairway showcases a stunning stained-glass Tiffany window, other windows are leaded, some with beveled glass....