Maps and Data

The Department of Conservation and Development's GIS staff provide data and cartographic resources to assist in planning and public policy analysis. We work with the County Department of Technology's GIS Division to provide countywide GIS data. 

Online Mapping Tool

CCMAP - Contra Costa County's Department of Information Technology (DOIT) hosts online mapping tool

GIS Data Download

DOIT GIS Data Catalog

Can I get a Map of the County?

Board of Supervisors Map: 11x17 map with Supervisorial Districts
Communities by Board of Supervisor District: 11x17
General Plan: Urban Limit Line Map
General Plan: Land Use Element Map

Mapping Publications

Watershed Atlas 

Online Mapping Resources - Other Agencies

Census Business Builder - Small Business Edition
The Census Business Builder: Small Business Edition allows small business owners a way to easily navigate to and use key demographic and economic data to help guide their research into opening a new or expanding their existing business. These key data includes the most recent and/or relevant data that Census provides that are useful to small business owners

Healthy City is an easy-to-use online platform for accessing data, creating maps, and finding local information on services. Available information includes local public services points, demographic data, economic data, housing data, and health/safety data. 

On TheMap
OnTheMap is an online mapping and reporting application showing where workers are employed and where they live with companion reports on worker characteristics and optional filtering by age, earnings, or industry groups. It provides an easy-to-use interface for creating, viewing, printing and downloading workforce related maps, profiles, and underlying data.

The goal of StatsAmerica is to provide actionable data in the form of tools, reports, and maps for economic developers to use in site requests, developing metrics, grant writing, and strategic planning. StatsAmerica is a service of the Indiana Business Research Center (IBRC) at Indiana University's Kelley School of Business with support from the Economic Development Administration.

Department of Water Resources Disadvantaged Communities Mapping Tool
The Department of Water Resources (DWR) has developed a web-based application to evaluate disadvantaged community (DAC) status throughout the State, using the definition provided by Proposition 84 IRWM Guidelines (2015). The DAC Mapping Tool is an interactive map application that allows users to overlay census geographies that meet the DAC definition are shown on the map (i.e., only those with an annual median household income (MHI) that is less than 80 percent of the Statewide annual MHI.

SB535 Disadvantaged Communities
An online map that shows the disadvantaged communities designated by CalEPA for the purpose of SB 535. These areas represent the 25% highest scoring census tracts in CalEnviroScreen 2.0. Additional information on SB 535 is available at the CalEPA website.  CalEnviroScreen 2.0 information,
including a detailed description of indicators and methodology is available
at the OEHHA website.