Landscaping Rules in Rock Island County, IL (2026)
2 rules for unincorporated Rock Island County, Illinois.
Verified from official government sources
Weed Ordinances
Unincorporated Rock Island County caps weeds and grass at ten inches on parcels of two acres or less, and requires a mowed 50-foot buffer along the property line on larger lots that adjoin a home or business. Violators face a $100 fine for a first offense and $200 for repeats.
Rock Island County 10-Inch Weed Height Limit
Some RestrictionsRock Island County Code of Ordinances § 90.34
It shall be unlawful for any owner or occupant of a property to permit weeds, grass, or other plant growth to grow to a height exceeding ten inches on a parcel of property of two acres or less in size. For any property exceeding two acres in size that adjoins on any side a parcel containing a residential or business structure, weeds or grass shall not exceed ten inches in height for a lateral d...
Composting
Unincorporated Rock Island County requires no permit to run a backyard compost pile. Section 52.21 of the county's accumulation-of-garbage-and-debris ordinance expressly excludes "properly created and utilized compost or other fertilizer" from the definition of GARBAGE, so a working pile cannot be treated as an illegal accumulation. A neglected, smelly, or pest-infested pile can still be pursued separately as a health nuisance.
Rock Island County Backyard Composting Rule
Light RestrictionsRock Island County Code of Ordinances § 52.21
GARBAGE. Any organic or biological substance other than: (1) Living plants or animals; (2) Properly created and utilized compost or other fertilizer; or (3) A discrete building, structure, work of art, decoration, landscape feature, or other construction or a material incorporated into any of the same.
All Rock Island County ordinances
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