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Twin Falls County, ID Right to Farm: Agricultural Zoning Protection (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Minimum size
5 contiguous acres, active ag or forest use
Designation length
20 years, auto-renews
Reviewing body
Agricultural Protection Area Commission (APAC)
Decision timeline
60 days APAC plus 60 days Board
Adopted
Ord. 290, August 13, 2025
Prohibited uses
CAFOs, subdivisions, energy projects, manufacturing

Summary

Twin Falls County lets farmers and timber producers voluntarily enroll at least five contiguous acres of working land into an Agricultural Protection Area, a 20-year designation adopted August 2025 that locks out subdivisions, CAFOs, solar and energy projects, and other nonagricultural uses to keep the land in production long term.

These county ordinances apply to unincorporated areas of Twin Falls County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

The purpose of this chapter is to provide for a voluntary process through which agricultural and timber producers of Twin Falls County may make application to commit lands actively devoted to agriculture for future agricultural use. An Agricultural Protection Area (“APA”) designation aims to protect productive farmland, rangeland, and forest land; encourage best farming practices; support the local agricultural economy; and provide for long-term planning stability. ... Unless otherwise approved by the Board, the following land uses are not allowed within an APA: A. Small or large confined animal feeing operation (CAFO); B. Residential Subdivisions, agricultural business in the agricultural zone, land with manufacturing uses, properties located in the Commercial and Industrial zoning districts. C. Agri-solar, battery storage structures, wind energy, solar energy, or any Small and Large Energy Projects D. Any other nonagricultural land uses.

Full Breakdown

Adopted by Ordinance 290 on August 13, 2025, Twin Falls County's Agricultural Protection Area (APA) program at Title 8, Chapter 6, Article K gives farmers and timber producers a voluntary tool to lock their land into agricultural use. To qualify under § 8-6K-3, a parcel must be at least five contiguous acres, actively devoted to agriculture or forestry under Idaho Code §§ 63-604 and 63-1701, assessed by the County Assessor as agricultural or forest land, zoned to allow agricultural or forest use, free of any confined animal feeding operation, and outside any commercial or residential subdivision.

Applications go to the Agricultural Protection Area Commission (APAC), a three-to-five-member board of county residents active in production agriculture created under § 8-6K-4 pursuant to Idaho Code § 67-9705; the APAC reviews the application against criteria in § 8-6K-7, including proximity to city impact areas, planned transportation corridors and airport expansion, then makes a recommendation to the Board of County Commissioners within 60 days. The Board holds a public hearing and must issue a written decision, with findings of fact, within another 60 days, and the executed decision is recorded with the county recorder within 10 days.

An APA designation lasts 20 years and renews automatically under § 8-6K-8 unless the landowner requests early termination for hardship under § 8-6K-10, such as a litigation loss, a family death causing financial hardship, or bankruptcy from another person's fraud. Once designated, § 8-6K-12 bars CAFOs, residential subdivisions, agricultural businesses in the agricultural zone, manufacturing land, Commercial or Industrial district uses, agri-solar, battery storage, wind and solar energy projects, and any other nonagricultural use unless the Board approves an exception. An application fee, set by the Board and posted with the Zoning Administrator, is required under § 8-6K-11.

Violations & Fines

Placing a prohibited use, a CAFO, subdivision, manufacturing use, energy project, or other nonagricultural use, on land designated as an Agricultural Protection Area without Board approval violates § 8-6K-12. Because Article K sets no separate fine schedule, Twin Falls County Code § 1-4-1's general penalty applies: a misdemeanor punishable by up to a $300 fine and up to six months in jail for each day the violation continues.

Frequently Asked Questions

How do I get my farmland designated as an Agricultural Protection Area in Twin Falls County?
You need at least five contiguous acres actively used for agriculture or forestry, assessed as agricultural or forest land, and free of any confined animal feeding operation. Under §§ 8-6K-6 and 8-6K-7, you apply to the Agricultural Protection Area Commission, which recommends a decision to the Board of County Commissioners within 60 days, followed by a Board public hearing and written decision within another 60 days.
What can't happen on land inside an Agricultural Protection Area?
Section 8-6K-12 bars confined animal feeding operations, residential subdivisions, agricultural businesses located in the agricultural zone, manufacturing uses, Commercial or Industrial district uses, agri-solar and battery storage, and wind or solar energy projects, unless the Board of County Commissioners specifically approves an exception.
Can I get out of an Agricultural Protection Area designation early?
Only for hardship. Section 8-6K-10 requires written notice to the Board at least 90 days before the APA's 20-year term expires, and early termination requires proof of an undue hardship, such as litigation loss, a family death causing financial hardship, or bankruptcy caused by another person's fraud, with the burden of proof on the landowner.

Sources & Official References

Other rules in Twin Falls County

All Twin Falls County rules

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