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Right to Farm Disclosure

Legislation effective January 1, 2009 requires that as a part of real estate transactions, land sellers and agents must disclose whether the property is located within one mile of farmland as designated on the most recent Important Farmland Map. Any of the five agricultural categories on the map qualifies for disclosure purposes, including Prime Farmland, Farmland of Statewide Importance, Unique Farmland, Farmland of Local Importance, and Grazing Land.  Detailed definitions of these categories are available. 

The vast majority of counties have 2010 available for review.  New counties are released each month, so please check back regularly for updates.  See the survey area map for coverage--96% of non-government lands are included.   

There are four ways to access the information:

  • NEW! The 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.
  • Geographic information system (GIS) data.  This format expedites searching and comparison to your area of interest.  GIS software such as ArcGIS is required.  
  • PDF maps.  These files represent the full-size county Important Farmland Maps; each county contains from one to three sheets depending on size.  You can zoom into your area of interest and view surrounding land uses.  Major roads and features are labeled but residential streets are not.  There is no search feature.  If this makes placing yourself on the map difficult, have a second web browser open and use Google or similar navigation option for comparison. 
  • Speak with one of the analysts at FMMP.  Call 916-324-0859 or email us (fmmp@conservation.ca.gov) and we will help locate your area of interest.
Additional note regarding map categories

In some counties, components of Farmland of Local Importance are shown separately, specifically Confined Animal Agriculture facilities.  Please refer to this spreadsheet for status of each county regarding Confined Animal Agriculture

Thank you for your interest!

Text of the legislation, Assembly Bill 2881