This 18 acre wine country estate has unobstructed views of the entire San Francisco Bay area including vineyards, the City of San Francisco, Golden Gate Bridge towers, the Bay and surrounding mountain peaks. Ten+- acres have vineyard potential along the west-facing ridge. The property was developed and designed by Portico West. Completed in 2009 in the international modernist style, the design focuses on energy efficiency, privacy, security and luxury. The meticulous fit and finish is in keeping with timeless modernism. The main residence, built into the hillside, and the separate guesthouse surround a heated pool and spa view terrace. There are three master suites, two kitchens, wine room and open living/dining with built-in HD movie projection. FEATURES In-floor radiant heating/central AC; T-1 Internet; Water purification system; Solar panels; Heat pump warms pool year round efficiently and inexpensively; State of the art security systems for remote monitoring and peace of mind.