318 S Grant St 1a – Bathroom 2 (B) (more pictures) Gorgeous Downtown Condo, Spacious Rooms 318 S Grant St 1a, San Mateo 94401 Bedrooms: 2 Bathrooms: 2 Living space: 2,055 sq.ft. Lot size: 18,719 sq.ft. Year built: 2003 Schools: Sunnybrae Elementary, Borel Middle, San Mateo High more details … Virtual Tour of 318 S Grant St 1a, San Mateo 94401 Understanding San Mateo CA Homes For Sale San Mateo Real Estate Market Trends Average San Mateo home price per sq.ft. Average San Mateo home sales price vs. list price San Mateo Homes For Sale