3121 Los Prados St 2, San Mateo 94403 3121 Los Prados St 2, San Mateo 94403 more pictures Bedrooms: 1 Bathrooms: 1 Living space: 675 sq.ft. Lot size: NA sq.ft. Year built: 1959 Schools: George Hall Elementary, Bayside Middle, Hillsdale High more details … Virtual Tour of 3121 Los Prados St 2, San Mateo 94403 San Mateo Homes For Sale San Mateo Real Estate San Mateo Real Estate Market Trends