Portola Valley Building Department 765 Portola Rd Portola Valley, CA 94028 Phone : (650) 851-1700 Portola Valley Building Department Business Category Government Offices-City Village & Twp Legislative Bodies Government Offices & Public Schools Portola Valley Town Of--town Hall Redwood City, CA 94062 Phone : (650) 851-1700 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Portola Valley Town Of--town Hall, Administration Redwood City, CA 94062 Phone : (650) 851-1700 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Portola Valley Town Of--town Hall, Building-planning Redwood City, CA 94062 Phone : (650) 851-1700 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Portola Valley Town Of--town Hall, Field Scheduling Redwood City, CA 94062 Phone : (650) 851-1700 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools