Merced County, CA Right to Farm: Agricultural Zoning Protection (2026)
Key Facts
- Ag buffer distance
- 200 feet from agricultural production land
- A-1 minimum parcel
- 20 acres
- A-1-40 minimum parcel
- 40 acres
- A-2 minimum parcel
- 160 acres
- Governing sections
- §§ 18.10.030(D)-(E), 18.10.040(M)
Summary
Merced County protects farming operations by requiring new houses to sit 200 feet back from land used for agricultural production, and by requiring the same 200-foot buffer when agricultural land itself is subdivided next to an existing home. The rule runs through the Agricultural Zone standards and the Subdivision Code, backed by recorded right-to-farm notice requirements.
M. Setbacks.
1. Agricultural Setback Requirement for Residential Uses. New residential dwellings and/or other habitable structure shall be set back so as to provide a physical separation of 200 feet, as measured from the dwelling or other habitable structure to any abutting parcels used for agricultural production. "Agricultural production," as used herein, means either an existing agricultural operation or an agricultural operation that would be a reasonably anticipated use. The agricultural setback may include roads, parking, trails, creeks, canals, and landscape features.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4930839; v8 updated 2026-06-02).
Full Breakdown
040(M)(1) states the agricultural setback directly: 'New residential dwellings and/or other habitable structure shall be set back so as to provide a physical separation of 200 feet, as measured from the dwelling or other habitable structure to any abutting parcels used for agricultural production,' and defines 'agricultural production' broadly to include a 'reasonably anticipated' future agricultural use, not just an active operation. Table 2-2 (Agricultural Zone Development Standards) sets the underlying parcel sizes the setback protects: 20 acres minimum in the A-1 zone, 40 acres in A-1-40, and 160 acres in A-2, with standard front, side, and rear setbacks of 20, 15, and 25 feet layered on top of the 200-foot agricultural buffer.
030(E) flips the same 200-foot buffer around for new parcels created by subdivision, requiring the parcel boundaries be located so as to provide 'a physical separation of 200 feet, as measured from any existing habitable structure to any abutting parcels used for agricultural production,' with a director-level exception only where the lot's width or length makes full compliance physically impossible. ' Homes approved under the county's secondary-dwelling and agricultural-tourism short-term rental provisions must additionally record a right-to-farm certificate disclosing the inconveniences of nearby farming operations to future occupants.
Violations & Fines
Building a new habitable structure within 200 feet of land in agricultural production without qualifying for the director's exception under Section 18.10.040(M)(1)(a) is a zoning violation that can block occupancy approval and require the structure to be relocated. Approving a subdivision that fails the productivity and parcel-size findings in Section 18.10.030(D) is grounds for the Planning Commission to deny the map outright.
Frequently Asked Questions
How far must a new house be from farmland in unincorporated Merced County?
What is the smallest lot allowed in Merced County's agricultural zones?
Does the county require disclosure that a property sits near farming operations?
Sources & Official References
Other rules in Merced County
California rules heatmap·Compare Merced County to another location·View the California right to farm overview
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