Plans were approved for a seven-story apartment building at Rockridge Geotechnical’s site at 220 West 20^th Avenue in San Mateo. Along with 232 apartments, 31 of which will be affordable, the complex will contain a rooftop deck and parking for 279 cars.

From SFYIMBY: https://sfyimby.com/2026/06/housing-approved-for-220-west-20th-avenue-san-mateo.html