Tree Protection in Illinois (2026)
35 rules on the books across Illinois, 23 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Heritage & Protected Trees
Extra protections for old, large, or historically significant trees, including the penalties for removing them without approval.
Waukegan
Significant RestrictionsWaukegan defines a heritage tree as any tree 18 inches or larger in diameter at breast height and lists heritage trees…
Read full rule →Joliet
Some RestrictionsSec. 26-128 creates a 'legacy tree' list for individually significant trees and folds any legacy tree into the code's…
Read full rule →Kendall County
Some RestrictionsKendall County requires new subdivisions in the unincorporated county to protect at least seventy (70) percent of…
Read full rule →Lake County
Some RestrictionsLake County requires developers in unincorporated areas to protect at least 70% of significant trees, defined as…
Read full rule →Rockford
Some RestrictionsTrees 18 inches or more in diameter within a designated historic district or on a landmark property can't be cut down…
Read full rule →Chicago
Light RestrictionsChicago's code formally defines a "heritage tree" by age, size, or historical value and directs the Urban Forestry…
Read full rule →Elgin
Light RestrictionsElgin's right-of-way vegetation rules let the city require utilities to protect 'specimen trees or trees of special…
Read full rule →Protected Tree Species
Specific native species (oak, sycamore, walnut, juniper) protected by city ordinance, diameter thresholds, removal permits, and replacement ratios.
Evanston
Significant RestrictionsEvanston protects trees once they hit a minimum trunk diameter tied to their species-quality group: any public tree at…
Read full rule →Cook County
Some RestrictionsOn County-controlled roads outside Chicago, the Highway Department can force utility crews to use higher poles…
Read full rule →Kendall County
Some RestrictionsKendall County protects specific native tree species by name during subdivision development in the unincorporated…
Read full rule →Lake County
Some RestrictionsDevelopment on unincorporated Lake County land subject to site plan review must protect at least 70% of "significant…
Read full rule →Mchenry County
Some RestrictionsMcHenry County protects desirable native trees on land proposed for subdivision under conservation design. Any…
Read full rule →Waukegan
Some RestrictionsWaukegan requires utilities working in the public right-of-way to take special protective measures around specimen…
Read full rule →Oak Lawn
Light RestrictionsWhen utilities install or maintain lines in Oak Lawn's public right-of-way, the Village can require extra protection…
Read full rule →Parkway Planting
Permits and rules for planting in the parkway strip between sidewalk and curb, including approved species lists and Bureau of Street Services standards.
Cicero
Significant RestrictionsCicero requires the commissioner of forestry's approval before anyone plants, trims or removes a tree or shrub on…
Read full rule →Aurora
Some RestrictionsPlanting a tree in an Aurora public thoroughfare or parkway requires a permit from the City Arborist, who sets the…
Read full rule →Chicago
Some RestrictionsChicago requires one parkway tree per 25 feet of frontage, minimum 2.5-inch caliper, planted to city forestry specs.
Read full rule →Cook County
Some RestrictionsNew development in unincorporated Cook County must plant parkway trees between the street and property line, spaced at…
Read full rule →DuPage County
Some RestrictionsDuPage County subdivision rules require subdividers to plant shade trees within five feet of the street right-of-way…
Read full rule →Elgin
Some RestrictionsPlanting a tree or any plant material in an Elgin public right-of-way, including the parkway strip between sidewalk and…
Read full rule →Evanston
Some RestrictionsEvanston caps what residents can plant in the street parkway: shrubs, perennials, ornamental grasses, and annuals can't…
Read full rule →Joliet
Some RestrictionsPlanting a tree or shrub in the public right-of-way or parkway in Joliet takes written approval and a city-issued…
Read full rule →Kendall County
Some RestrictionsIn unincorporated Kendall County's RPD-1 and RPD-2 residential planned developments, the County Code sets a numeric…
Read full rule →Lake County
Some RestrictionsSubdivisions built in unincorporated Lake County must plant two street trees per 100 feet of frontage, at least 3…
Read full rule →Naperville
Some RestrictionsNaperville, Illinois requires prior written City approval before planting any tree or shrub in the parkway, plus…
Read full rule →Oak Lawn
Some RestrictionsOak Lawn bans planting ten invasive or hazardous tree species anywhere in the village, including parkways, and runs a…
Read full rule →Oak Park
Some RestrictionsThe Village of Oak Park, Cook County, Illinois, requires a permit before any construction activity that could affect a…
Read full rule →Peoria
Some RestrictionsPeoria's Shade Tree Ordinance sets exact spacing and clearance standards for any tree planted in the parkway, the strip…
Read full rule →Schaumburg
Some RestrictionsWhen a Schaumburg property owner gets approval to remove a parkway tree, Village Code § 158.22 puts the full cost of…
Read full rule →Skokie
Some RestrictionsVillage of Skokie Code sets exact planting rules for every tree placed in a public parkway. Section 90-42 requires the…
Read full rule →Springfield
Some RestrictionsSpringfield bans specific tree species, including elms, cottonwood, mulberry, weeping willow, and fruit trees, from…
Read full rule →Tinley Park
Some RestrictionsPlanting a tree or shrub in a Tinley Park street, parkway or other public place requires a permit from the Village…
Read full rule →Waukegan
Some RestrictionsNew Waukegan developments must plant one large shade tree per 40 linear feet of street frontage in unpaved parkways…
Read full rule →Will County
Some RestrictionsNew subdivisions in unincorporated Will County must plant one parkway or front yard tree per 40 feet of street…
Read full rule →Champaign
Light RestrictionsChampaign plants shade trees in the parkway through its Cooperative Share-the-Cost Tree Planting Program under Sec…
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