Northern California - Marin County - Mill Valley ... Build up to 46-UNITS of Affordable Housing = dirt cost of $77,000 per unit for a Prime Location in South Marin County ... almost 1-Acre of land to work with - High-Traffic with Freeway Frontage ... CP zoning also allows for Affordable Housing, Homeless Shelters, Retail Stores, Offices and Restaurants ... Three existing buildings bring in about $30,000 per month in revenue while you are getting permits.