Landscaping Rules in Twin Falls County, ID (2026)
3 rules for unincorporated Twin Falls County, Idaho.
Verified from official government sources
Tree Trimming
Twin Falls County has no numeric trimming or clearance ordinance of its own. Section 2-3-7 has the county tree board promote ISA ANSI A300 tree care practices, but those practices give way whenever the highway districts or Idaho Power need something different, and minimum line clearance on overhead power lines is set entirely by Idaho Power Company policy.
Twin Falls County Tree Care And Line Clearance
Few RestrictionsTwin Falls County Code § 2-3-7
The Twin Falls County tree board promotes the application of all area appropriate International Society of Arboriculture ANSI300 tree care practices, unless such practices are superseded by the needs of the highway districts or Idaho Power Company. ... Standards for tree selections and ... minimum line clearance on overhead power lines refer to Idaho Power Company policy and literature.
Tree Removal & Heritage Trees
Twin Falls County does not require a permit to remove a tree on private land. Under § 2-3-5, new subdivisions or rezoning requests are only encouraged, not required, to be evaluated for tree impacts, and the county's volunteer Tree Advisory Board may review preliminary plats and visit sites for comment on removal and retention.
Twin Falls County Tree Removal Review
Few RestrictionsTwin Falls County Code § 2-3-5
New developments requiring platting, or any request for a change in zoning, are encouraged to be evaluated for existing and future trees and their impact to the proposed development. The tree advisory board will be allowed to review all preliminary plats coming before the parks and waterways department for comment. The tree advisory committee or designee may visit the site to examine issues of ...
Composting
Private composting is allowed on unincorporated Twin Falls County parcels without a disposal-site trip, but the county caps it at ten cubic yards at a time on parcels under five acres, used only on-site rather than sold.
Twin Falls County Residential Composting Rules
Light RestrictionsTwin Falls County Code §§ 4-2-1, 4-2-3(D)
COMPOSTING, PRIVATE: Producing compost, not for sale, on a parcel less than five (5) acres, not to exceed ten (10) cubic yards at any particular time, for use on the same premises where such compost is produced. ... ... D. Private Composting: Private composting is allowed. Compostable materials are not required to be taken to disposal sites, provided that the materials are currently being compo...
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