Tree Protection in Kendall County, IL (2026)
3 rules for unincorporated Kendall County, Illinois.
Verified from official government sources
Heritage & Protected Trees
Kendall County requires new subdivisions in the unincorporated county to protect at least seventy (70) percent of significant trees outside rights-of-way and easements from construction damage. Kendall County Code § 30-129(b)(1)f ties the requirement to the significant-tree species lists in Sections 30-191 through 30-193 and orders visible fencing around every tree kept.
Kendall County Significant Tree Protection
Some RestrictionsKendall County Code § 30-129(b)(1)f
f.At least seventy (70) percent of all significant trees located outside existing and proposed rights-of-way and drainage and utility easements shall be protected from construction activity (see Sections 30-191 through 30-193 for listing of significant trees). Significant trees required to be protected shall be appropriately marked and fenced (silt and construction) to prevent the intrusion of ...
Protected Tree Species
Kendall County protects specific native tree species by name during subdivision development in the unincorporated county. Kendall County Code § 30-2 defines a significant tree as a healthy species listed in Sections 30-191 through 30-193, sorted by trunk diameter, from oaks and hickories at six inches to paw paws and redbuds protected at any size.
Kendall County Protected Native Tree Species
Some RestrictionsKendall County Code §§ 30-2, 30-191
Significant trees means those existing trees on a development site that are worthy of preservation. Tree species, that are in good health, identified in Sections 30-191 and 30-192 and having a diameter at one (1) foot above grade of six (6) inches or more and twelve (12) inches or more or which are identified in Section 30-193 shall be considered worthy of preservation. ... Scientific Name Comm...
Parkway Planting
In unincorporated Kendall County's RPD-1 and RPD-2 residential planned developments, the County Code sets a numeric parkway tree ratio: one shade tree for every 40 feet of street frontage along new streets, with exact placement fixed by the Planning, Building & Zoning Department at final plat approval.
Parkway Tree Ratio, Unincorporated Kendall County
Some RestrictionsKendall County Code § 36-366(3)
(3)Parkway trees. Shade trees shall be provided such that the total number of trees shall equal or exceed the ratio of one (1) tree for each forty (40) feet of street frontage. Appropriate location of parkway tree planting shall be determined at the time of final plat approval. Parkway tree plantings shall generally be within the required front yard of home sites.
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