1806 Mark Twain St – Guest Room (A) Back to picture index 1806 Mark Twain St, Palo Alto CA 94303 Bedrooms: 3Bathrooms: 3Living space: 2,564 sq.ft.Lot size: 8,811 sq.ft.Year built: 1949Schools: Walter Hays Elementary, Jordan Middle, Palo Alto High Palo Alto Homes For Sale Palo Alto Real Estate Palo Alto House Prices Palo Alto Number of Houses Sold Extensive Palo Alto Real Estate Sales Trends