Farmland Mapping & Monitoring Program

Irrigated Farmland in Monterey County.

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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. 


SEARCH FOR MAPS, REPORTS, AND STATISTICS
New! 2020 Important Farmland data is now available in Amador, Butte, Kings, Mariposa, Nevada, Tehama, and Tuolumne Counties.

2018 Important Farmland data is available in Alameda, Amador, Butte, Calaveras, Colusa, Contra Costa, El Dorado, Fresno, Glenn, Imperial, Kern, Kings, Lake, Los Angeles, Madera, Marin, Mariposa, Mendocino, Merced, Modoc, Monterey, Napa, Nevada, Orange, Placer, Riverside, Sacramento, San Benito, San Bernardino,​ San Diego, San Joaquin, San Luis Obispo, San Mateo, Santa Barbara, Santa Clara, Santa Cruz, Shasta, Sierra Valley, Siskiyou, Solano, Sonoma, Stanislaus, Sutter, ​​​Tehama, Tulare, Tuolumne, Ventura, Yolo, and Yuba Counties. ​​​​​​​​​​​​​​

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.   ​​Information on usage is available.

​​IMPORTANT FARMLAND TIME SERIES ​​​​​​​​​

​An online tool to view the Important Farmland map data as a time series, from 1984 to the present.​​

MAP AND FEATURE SERVICES ​                                                                                                                                                                 An online tool to view and download Important Farmland data directly in ArcGIS systems.​​​​ Information on access is available.

GIS GEODATABASES and SHAPEFILES​                                                                                                                                                                Downloadable Important Farmland GIS data in the form of ESRI Geodatabases and Shapefiles, zipped by update year, from 1984 to the 2020 update currently in progress. Information on access is available.   ​

CALIFORNIA FARMLAND CONVERSION REPORTS   ​
The 2012-2014 and 2014-2016​ Farmland Conversion Reports are now available.​​ ​2016-2018 Farmland Conversion Report is coming soon.​

FARMLAND REAL ESTATE DISCLOSURE LEGISLATION  
Important Farmland status must be disclosed on certain real estate transactions--read about it here. 

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 2016 for Windows.