1806 Mark Twain St – Guest Room (A) Guest Room (A) 1806 Mark Twain St, Palo Alto 94303 Bedrooms: 3 Bathrooms: 3 Size: 2,564 sf Lot: 8,811 picture index Palo Alto Real Estate Trends Palo Alto House Size Palo Alto Lot Size Palo Alto Real Estate Market Information Palo Alto Homes For Sale