Home 商业地产 00 Alpine ROAD, Portola Valley 94028; Lots for Sale; 3/5 in San Mateo County By siteeditor. Published on 3 3 月, 2014. 00 Alpine ROAD, Portola Valley 94028; Lots for Sale; 3/5 in San Mateo County 00 Alpine ROAD, Portola Valley 94028 Approx Lot: 13.52 Acres Type: Single Family Residential Land Price: $1,999,000 Date : Feb’2014