Location: 4263 Golden Oak Court, Blackhawk, CA

Square Footage: 18,932

Bedrooms & Bathrooms: 10 bedrooms & 15 bathrooms

Price: $22,000,000

This Tuscan inspired mansion is located at 4263 Golden Oak Court in Blackhawk, CA and is situated on 2.4 landscaped acres. It was built in 1994 and features approximately 18,932 square feet of living space with 10 bedrooms, 9 full and 6 half bathrooms, 4-1/2 total kitchens, wine cellar with tasting room, home theater, 5-car garage and much more. The grounds feature a motor court, outdoor kitchen with pizza oven, swimming pool with spa, covered pool cabana with kitchen and a half-court basketball court.

If you look at THIS link, it looks like the home went underwent a huge remodel. It still has the same shape, but a much different style. According to Virtual Globetrotting, it was/is owned by David Duffield, the founder of PeopleSoft.