A proposal to build what could become the largest housing development in West Marin has run into an early roadblock, with county planners for the second time declaring the application incomplete and requiring sweeping revisions before it can move forward.
In a Sept. 25 letter, the Marin County Planning Division told the developers of a project dubbed “Rancho Los Reyes” that their filing omitted key details on 18 points, ranging from road design and fire…