The Community Land Trust Association of West Marin is hoping to make 20 trailers available to farmworkers in need of immediate, humane and affordable housing—but first it needs to find places to put them. The nonprofit is searching for property owners willing to rent spaces with access to water, electrical and septic hookups. “We want to support our neighbors who are living in substandard housing,” said Pam Dorr, CLAM’s executive director. “It’s so much better…