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Landscaping Rules in Idaho (2026)

60 rules on the books across Idaho, 15 cities and counties. Select a rule to read the full details.

Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions

Tree Trimming

Rules about trimming trees that overhang sidewalks, streets, or neighboring properties, and when you need permission to prune city trees.

Boise

Some Restrictions

Boise requires property owners to prune tree branches overhanging streets and sidewalks for sufficient vertical…

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Caldwell

Some Restrictions

Caldwell requires overhanging tree branches to be pruned to ten feet of vertical clearance over sidewalks and…

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Canyon County

Some Restrictions

Unincorporated Canyon County treats untrimmed trees, shrubs and weeds as a public nuisance when they create a fire…

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Coeur Dalene

Some Restrictions

In the City of Coeur d'Alene, the owner of the property next to a right of way must prune public trees so branches over…

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Idaho Falls

Some Restrictions

Idaho Falls requires property owners to trim trees and shrubs along the right-of-way to keep at least 8 feet of…

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Kootenai County

Some Restrictions

In unincorporated Kootenai County there is no general tree-trimming permit, but within the 25-foot Shoreline Management…

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Meridian

Some Restrictions

Meridian's nuisance ordinance requires trees to keep 8 feet of vertical clearance over sidewalks and 14 feet over…

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Nampa

Some Restrictions

Nampa requires trees in vision-clearance areas trimmed to at least 9 feet above curbs and sidewalks and 14 feet above…

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Pocatello

Some Restrictions

In the City of Pocatello, branches that overhang a sidewalk must be pruned to at least eight feet of vertical…

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Twin Falls

Some Restrictions

In the City of Twin Falls, Idaho, § 8-1-5 requires every owner, tenant, or occupant abutting a public right of way to…

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Bannock County

Light Restrictions

Master planned communities (MPCs) in unincorporated Bannock County that choose the 'Reduction of Crime Through…

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Bonneville County

Light Restrictions

On a corner lot in Bonneville County, trees inside the sight-triangle at a street intersection must be pruned to keep…

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Twin Falls County

Few Restrictions

Twin Falls County has no numeric trimming or clearance ordinance of its own. Section 2-3-7 has the county tree board…

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Tree Removal & Heritage Trees

Permit requirements for removing trees on private property, protected and significant tree thresholds, replacement planting standards, and the penalties for unpermitted removal.

Caldwell

Significant Restrictions

Caldwell requires a City Forester permit before removing, replacing, trimming, cutting or pruning any tree or shrub in…

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Coeur Dalene

Significant Restrictions

In the City of Coeur d'Alene, removing a public tree or shrub requires a valid permit, no matter who does the work. A…

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Twin Falls

Significant Restrictions

In the City of Twin Falls, Idaho, removing a public, street, or alley tree takes a permit request from the property…

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Ada County

Some Restrictions

Ada County has no private-tree-removal permit, but Idaho law requires every landowner to control designated noxious…

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Bannock County

Some Restrictions

For new nonresidential construction in the Recreation district of unincorporated Bannock County, healthy trees eight…

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Boise

Some Restrictions

Boise requires a free permit from the City Forester before anyone plants, prunes, removes, or otherwise disturbs a…

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Bonner County

Some Restrictions

Bonner County, Idaho does not hand out a general tree-cutting permit in the section read here, but it does fix how many…

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Bonneville County

Some Restrictions

Removing a tree in a Bonneville County road right-of-way requires a right-of-way permit. Code § 153.04(B)(3) lists…

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Idaho Falls

Some Restrictions

Cutting, pruning, or removing any Public Tree in Idaho Falls requires written permission from the Parks Director or…

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Kootenai County

Some Restrictions

Kootenai County has no general tree-removal permit, but the distinctive Shoreline Management Area rule (County Code…

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Meridian

Some Restrictions

Meridian requires site and landscape plans to protect existing trees of four-inch caliper or larger during development…

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Nampa

Some Restrictions

Nampa requires a forester-issued permit before removing any tree from the public right-of-way; trees on private…

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Pocatello

Some Restrictions

Along the channelized Portneuf River and within 125 feet of its ordinary high-water mark elsewhere, section…

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Twin Falls County

Few Restrictions

Twin Falls County does not require a permit to remove a tree on private land. Under § 2-3-5, new subdivisions or…

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Weed Ordinances

Requirements to keep weeds and grass below a set height, the numeric limits (commonly 8 to 12 inches), abatement notices, and the liens cities can place after mowing it themselves.

Idaho: statewide

StatewideHeavy Restrictions

Idaho Code § 22-2407 makes it the duty of every landowner to control noxious weeds on their land, at their own expense…

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Ada County

Some Restrictions

Idaho Code 22-2407 makes it every landowner's duty to control noxious weeds, enforced in unincorporated Ada County by…

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Boise

Some Restrictions

Boise requires owners to cut weeds, grass, and vines that pose a fire hazard, with a 12-inch height trigger, or the…

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Bonneville County

Some Restrictions

Bonneville County Code § 91.01 caps ordinary weeds and offensive plants at ten inches in height on any land in the…

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Caldwell

Some Restrictions

Caldwell caps unmanaged weeds at eight inches: Caldwell City Code section 07-11-01 declares weed growth over eight…

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Coeur Dalene

Some Restrictions

In the City of Coeur d'Alene, Idaho, it is a violation to allow weeds, grasses or vegetation over eight inches in…

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Idaho Falls

Some Restrictions

Idaho Falls makes it a public nuisance to let weeds or noxious weeds grow, exist, or accumulate on any property in the…

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Kootenai County

Some Restrictions

Idaho law makes weed control mandatory: every landowner must control noxious weeds on their property at their own cost…

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Meridian

Some Restrictions

Meridian classifies weeds and other undesirable plant growth over eight inches tall as a nuisance, triggering a code…

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Nampa

Some Restrictions

Nampa caps weeds and grass at 8 inches on any property in the city, with the city empowered to abate and bill the owner…

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Pocatello

Some Restrictions

Pocatello caps lawn grass at six inches above grade on maintained lawns and requires noxious weeds to be eradicated…

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Twin Falls

Some Restrictions

In the City of Twin Falls, Idaho, owners, tenants and occupants of private property must cut weeds and grass as…

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Rainwater Harvesting

Whether you can collect rainwater, how much you can store, and any permits or tank size restrictions for residential rain barrels and cisterns.

Artificial Turf

Rules about installing synthetic grass, including whether it counts toward water-saving rebates and any HOA or city restrictions.

Composting

Rules for backyard composting bins and piles plus curbside organics, bin requirements, allowed materials, setbacks, pest control, and any mandated diversion programs.