| 1990 Census Blocks | Census | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| 1990 Census Tracts | Census | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| 2000 Census Block Groups | Census | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| 2000 Census Blocks/Age and Sex | Census | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| 2000 Census Blocks/Housing | Census | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| 2000 Census Blocks/Population | Census | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| 2000 Census Desigated Places | Census | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| 2000 Census Tracts | Census | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| 2012 SLO County Precincts | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Adelaida DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| Airport Review Combining Designation 1999 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Airport Runways 2001 | Miscellaneous | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Archaeology Combining Designation 1998 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Biology Reports Within SLO County - 1985-2007 (approx.) | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| California Counties - 2004 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| California State Assembly District 33 - 2001 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| California State Assembly Districts - 2001 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| California State Senate District 15 - 2000 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| California State Senate Districts - 2000 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Carrizo National Monument - 2007 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| CDF Fire Stations | Safety | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Cellular Tower Locations 2007 | Miscellaneous | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Census Tiger Highway Posts 1999 | Transportation | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Census Tiger Highway Ramps 1999 | Transportation | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Census Tiger Major Roads 2001 | Transportation | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Census Tiger Roads 2001 | Transportation | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Census Tiger Roads 2006 | Transportation | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Coastal Creeks/Environmentally Sensitive Habitats Combining Designation 1998 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Coastal Dams 2002 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Coastal Zone Combining Designation 2000 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Community Advisory Councils - 2007 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Community Service Districts - 2004 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| County Boundary/Population Data 1998 | Base Map | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| County Building Permit Inspection Zones | Miscellaneous | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| County Building Permit Inspection Zones - North/South Boundary | Miscellaneous | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| County Code Inspection Areas 2009 | Miscellaneous | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| County Fire Stations 2000 | Safety | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| County Hardwoods 1998 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| County Hospitals 2001 | Miscellaneous | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| County Mines 2002 | Miscellaneous | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| County Planning Area Boundaries - 2007 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| County Service Areas - 2004 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| County Transmission Lines 2001 | Miscellaneous | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Countywide Land Use Categories 2008 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Countywide Street Centerlines 2010 | Transportation | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Countywide Vegetation 1990 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Creek Watersheds 2000 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Crops 2008 | Agriculture | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Dam Inundations 2001 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Designated Environmentally Sensitive Habitat - updated 2007 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Designated Geologically Sensitive Area | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Eastern SLO County Geologic Landslide Risk 2001 | Landslide Risk | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| El Pomar-Estrella 10 Foot Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| El Pomar-Estrella 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| El Pomar-Estrella DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| El Pomar-Estrella Habitat Sensitivity 1999 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| El Pomar-Estrella Plant Species 1999 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| El Pomar-Estrella Potential Habitat 2001 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| El Pomar-Estrella Spadefoot Toad Habitat 1999 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Estero 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Estero DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| Estero Natural Diversity Database 1994 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Estero Shoulderband Snail 2001 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Estero Solar Aspect Polygon 1996 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Estero Vegetation 1999 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Estero Water Wells/Springs 1996 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Existing/Proposed Oil/Gas/Mineral/Energy-producing Facilities - 1998 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Extractive Energy Resources Combining Designation 1998 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Extractive Resources Combining Designation 1998 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Fault Lines 2000 | Geology | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| FEMA Flood Zones 2008 | Safety | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Fire Hazard Potential 2000 | Safety | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Fire Response Time 2000 | Safety | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Flood Zone Combining Designations (FEMA) 2008 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Geologically Sensitive Area Faults 1974 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Geologically Sensitive Area/Landslide/Liquifaction Potential Designation 2000 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Geology 2007 | Geology | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Groundwater Basins 1999 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Historical Combining Designation 2008 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Huasna-Lopez 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Huasna-Lopez DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| Kit Fox Mitigation Ratio Areas 2006 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Kit Fox Mitigation Ratio Areas 2007 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Las Pilitas 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Las Pilitas DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| Liquefaction 2007 | Geology | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Los Padres 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Los Padres DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| Marine/Environmentally Sensitive Habitats Combining Designation 1998 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Nacimiento 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Nacimiento DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| NHD Countywide Streams 2006 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| NHD Countywide Waterbodies 2006 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Nipomo Building Footprints - 2007 | Base Map | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| North Coast 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| North Coast DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| North Coast Vegetation 1998 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| NRCS Soil Survey - San Luis Obispo County | Soils | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Official Boundaries of Unincorporated Communities | Base Map | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Ownership/Management for Biodiversity - 1998 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Proposed Government Facilities - 1998 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Proposed Reservoirs Combining Designation 1998 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Salinas River 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Salinas River DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| San Luis Bay Coastal 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| San Luis Bay Coastal DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| San Luis Bay Inland 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| San Luis Bay Inland DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| San Luis Obispo 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| San Luis Obispo County Composite DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| San Luis Obispo DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| San Luis Obispo Vegetation 1998 | Environmental | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| School District Boundaries - 2007 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Sections - Polygon | Base Map | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Sections - Polyline | Base Map | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Sensitive Resource Area Designation - 2000/2007 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Serpentine Rock 2002 | Geology | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Shandon 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Shandon/Carrizo DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| SLO County Central Business Districts - 2007 | Base Map | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| SLO County Historic Sites | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| SLO County Mines - 2002 | Miscellaneous | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| South County Coastal 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| South County Coastal DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| South County Inland 5 Meter Contours | Contour Lines | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| South County Inland DEM | Digital Elevation Models (DEMs) | SLO County | County of San Luis Obispo | | |  Zipped DEM File |
| Southern Pacific Railroad 2000 | Transportation | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Sphere of Influence Boundaries - 2004 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Supervisorial District Boundaries in Line Format - 1990 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Supervisorial District Boundaries in Polygon Format - 1990 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Supervisorial District Boundaries - 2010 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Supervisorial District Boundaries - 2000 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Township and Range - Polyline | Base Map | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Traffic Analysis Zones 2001 | Transportation | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Urban and Village Reserve Boundaries - 2008 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| US House of Representatives District 22/23 - 2000 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| US House of Representatives Districts for CA - 2000 | Political Boundaries | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| USGS Major Highways 2001 | Transportation | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| USGS Quad Boundaries - Polygon | Base Map | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| USGS Quad Boundaries - Polyline | Base Map | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Water Planning Areas 1998 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Western Boundary of SLO County Coastal Zone - 2000 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Western SLO County Geologic Landslide Risk 2001 | Landslide Risk | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Wetland Habitat Designation 2008 | Land Use Element | SLO County | County of San Luis Obispo | | |  Zipped Shape File |