MARIN COUNTY LOCAL COASTAL PROGRAM UNIT 1 - Amended MARIN COUNTY COMMUNITY DEVELOPMENT AGENCY 3501 Civic Center Drive, Room 308 San Rafael, California 94903 M A R I N C O U N T Y L O C A L C O A S T A L P R O G R A M U N I T I Amended ADOPTED BY MARIN COUNTY BOARD OF SUPERVISORS August 21, 1979 CERTIFIED BY STATE COASTAL COMMISSION April 1, 1980 The following document is the current amended version of the 1981 Marin County LCP Unit I, which reflects all policy text amendments approved by the California Coastal Commission from 1982 to 2004. Following each amended policy is a note that provides the details of the Resolution(s)/Ordinance(s) passed by the Marin County Board of Supervisors that proposed and adopted each text amendment, as well as the corresponding action(s) of the California Coastal Commission. All information contained herein is current as of April 16, 2010, and is the most accurate portrayal of the amended LCP Policies to the best knowledge of the Marin County Community Development Agency at this time. Original LCP Unit I Prepared by: The Marin County Comprehensive Planning Department (1979): Marjorie Macris, AICP Director Allen Meacham Coastal Planner Malcolm Sproul Coastal Planner Liz Scott/Irene Laycock Senior Typist Larry Smith Graphics Carol Horowitz Editor The preparation of this planning document was funded by a grant administered by the Office of Coastal Zone Management, National Oceanic and Atmospheric Administration, under the Coastal Zone Management Act of 1972. CZM 78-115. Amended LCP Unit I Prepared by: The Marin County Community Development Agency (2010): Brian Crawford Director Thomas Lai Deputy Director Jack Liebster Principal Planner Kristin Drumm Senior Planner Alisa Stevenson Assistant Planner Don Allee Senior Clerk/Typist TABLE OF CONTENTS INTRODUCTION.......................................................................................................................................v I. PUBLIC ACCESS AND RECREATION ........................................................................................ - 3 - PUBLIC ACCESS................................................................................................................................ - 3 - Existing Public Access ..................................................................................................................... - 3 - Proposed Access ............................................................................................................................... - 5 - • LCP POLICIES ON PUBLIC ACCESS ............................................................................. - 7 - RECREATION AND VISITOR SERVING FACILITIES................................................................ - 11 - • LCP POLICIES ON RECREATION AND VISITOR SERVING FACILITIES ............. - 13 - STATE AND FEDERAL PARKLANDS.......................................................................................... - 14 - • LCP POLICIES ON STATE AND FEDERAL PARKLANDS........................................ - 14 - II. NATURAL RESOURCE PROTECTION.................................................................................... - 15 - STREAM PROTECTION.................................................................................................................. - 15 - Pine Gulch Creek............................................................................................................................ - 15 - Redwood Creek. ............................................................................................................................. - 17 - • LCP POLICIES ON STREAM PROTECTION................................................................ - 19 - LAGOON PROTECTION ................................................................................................................. - 21 - • LCP POLICIES ON LAGOON PROTECTION............................................................... - 25 - DUNE AND SANDY BEACH PROTECTION ................................................................................ - 28 - • LCP POLICIES ON NATURAL DUNE AND SANDY BEACH PROTECTION.......... - 29 - HABITAT PROTECTION................................................................................................................. - 30 - Coastal Communities...................................................................................................................... - 30 - Duxbury Reef ................................................................................................................................. - 31 - • LCP POLICIES ON HABITAT PROTECTION .............................................................. - 34 - AGRICULTURE................................................................................................................................ - 34 - • LCP POLICIES ON AGRICULTURE ............................................................................. - 35 - III. SHORELINE PROTECTION AND HAZARD AREAS........................................................... - 37 - Seacliff Retreat ............................................................................................................................... - 37 - Seismicity ....................................................................................................................................... - 38 - Shoreline Erosion: .......................................................................................................................... - 39 - Protection of Existing Structures and County Liability.................................................................. - 40 - • LCP POLICIES ON SHORELINE PROTECTION AND HAZARD AREAS ................ - 40 - IV. PUBLIC SERVICES AND NEW DEVELOPMENT................................................................. - 44 - PUBLIC SERVICES.......................................................................................................................... - 44 - Water Supply .................................................................................................................................. - 44 - Sewage Disposal............................................................................................................................. - 46 - Transportation................................................................................................................................. - 46 - • LCP POLICIES ON PUBLIC SERVICES........................................................................ - 48 - NEW DEVELOPMENT AND LAND USE ...................................................................................... - 51 - Historical Resources ....................................................................................................................... - 51 - Archaelogical Resources ................................................................................................................ - 56 - Visual Resources ............................................................................................................................ - 56 - Housing........................................................................................................................................... - 56 - Grading ........................................................................................................................................... - 63 - ii • LCP POLICIES ON NEW DEVELOPMENT AND LAND USE.................................... - 64 - LOCATION AND DENSITY OF NEW DEVELOPMENT ............................................................. - 67 - Priority Uses ................................................................................................................................... - 67 - Muir Beach ..................................................................................................................................... - 68 - Stinson Beach ................................................................................................................................. - 68 - Seadrift............................................................................................................................................ - 70 - Bolinas............................................................................................................................................ - 77 - Non-Community Plan Areas........................................................................................................... - 78 - • LCP POLICIES ON LOCATION AND DENSITY OF NEW DEVELOPMENT........... - 78 - APPENDICES...................................................................................................................................... - 86 - iii LIST OF FIGURES Page 1: Unit 1 Local Coastal Program Boundary...............................................................................- 2 - 2: Duxbury Reef Reserve and Extension Area of Special Biological Significance ................- 33 - 3: Concentrations of Low and Moderate Income Housing Units ............................................- 59 - 4: Areas of the Seadrift Subdivision ........................................................................................- 82 - iv LIST OF TABLES Page 1. Location of Moderate Cost Housing Units in the Coastal Zone............. 58 2. Coastal Housing Conditions.............................................................. 58 3. Employment, Housing, Population Forecast........................................ 60 4. Buildout Potential in Stinson Beach..................................................