Documenting Changes in Agricultural Land Use Since 1984
The Farmland Mapping and Monitoring Program (FMMP) produces maps and statistical data used for analyzing impacts on California’s agricultural resources. Agricultural land is rated according to soil quality and irrigation status; the best quality land is called Prime Farmland. The maps are updated every two years with the use of a computer mapping system, aerial imagery, public review, and field reconnaissance.
CALIFORNIA IMPORTANT FARMLAND FINDER
An interactive version of the Important Farmland map data. Locate your area of interest, calculate acreage, and other useful features, using this online tool.
Introductory material about the site and its features is also available.
IMPORTANT FARMLAND TIME SERIES
An online tool to view the Important Farmland map data as a time series, from 1984 to the present.
COUNTY PDF MAPS and
GIS DATA DOWNLOAD SITE
Access full size published maps and FMMP GIS data from 1984 to the present. Statewide and regional PDF maps are also available at multiple scales. Information about the data and basic download instructions are also available.
CALIFORNIA FARMLAND CONVERSION REPORTS
The 2015 Farmland Conversion Report (2010-2012 data) is available.
FARMLAND REAL ESTATE DISCLOSURE LEGISLATION
Important Farmland status must be disclosed on certain real estate transactions--read about it here.
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Some files on this site are in Adobe Acrobat (PDF) or compressed (ZIP) format. Utilities to read both are freely available on the Internet. Spreadsheet information is formatted in Excel 2000 for Windows.
Geographic information (GIS data) on the FTP site is posted in ESRI Shape File (SHP) format, with metadata in HTML format.