Home 商业地产 East 40th Ave , San Mateo 94403; Lots For Sale; in San Mateo County By siteeditor. Published on 8 5 月, 2014. East 40th Ave , San Mateo 94403; Lots For Sale; in San Mateo County East 40th Ave , San Mateo 94403 Price:$2,500,000 Size: 6,000 Sqft Type: Planned Unit Development Land