Not all land is buildable in Marin.

Charles Kaufman of Sausalito points out that Plan Bay Area 2040 assumes that undevelopable land is not really inventory for housing.  The MTC planner, Ken Kirkey admits that the Urban Sim model may have flaws yet the REGIONAL plans are more important than local planning objectives.  This is a key reason that Plan Bay Area 2040 is fatally flawed.  Central planning does not work