Robson Harrington House Community Garden Club Robson Harrington House Community Garden has 25 plots, 15′ x 20′. The waiting list is 40 people long and the wait for a plot is about 4 years. Only open to the residents of San Anselmo. Composting Available. Plots are about $60. Website: sananselmochamber.org/garden.htmlEmail: mmccabe@joimail.comPhone: 415 258-4640San Anselmo, CA 94960Date Updated: 2/14/2014