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Wyandotte County, KS Landscaping Rules: Weed Ordinances (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Height limit
8 inches (12 inches if matted)
Cure period
5 days, 10 if owner unknown
Penalty
$100-$1,500 fine, per-day violation
Enforcement
Unified government may mow and bill owner
Perennial violators
Mowed without further notice each year

Summary

Kansas City, Kansas and the rest of Wyandotte County cap weeds, grass, and uncultivated vegetation at eight inches tall, or 12 inches matted down, under Code §§ 8-534 and 8-535. Letting a lot exceed that height is unlawful, and the unified government can mow it and bill the owner after a short cure period.

These county ordinances apply to unincorporated areas of Wyandotte County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Excessive growth or hazardous premises means any weed, grass or uncultivated vegetation which is more than eight inches in height above the ground or 12 inches in length, if matted down, as measured along the stem... It shall be unlawful for any property owner, representative, tenant or other person with control, occupancy or possession of real property to allow excessive growth of vegetation on any lot or parcel of land within the city or in any area between the property lines of said lot or parcel and the centerline of any adjacent street or alley.

Full Breakdown

Section 8-535 makes it unlawful for any property owner, representative, tenant or other person with control, occupancy or possession of real property to allow excessive growth of vegetation on any lot or parcel of land within the city or in any area between the property lines of said lot or parcel and the centerline of any adjacent street or alley. Section 8-534 defines excessive growth as any weed, grass, or uncultivated vegetation more than eight inches in height above the ground or 12 inches in length if matted down, and extends the rule to trees, shrubs, and garden plants that aren't kept visually distinct from surrounding overgrowth.

Enforcement runs through Sections 8-536 through 8-543. The unified government clerk publishes an annual public notice explaining the standard, and once a violation is confirmed, the occupant, owner, or agent gets five days to cut it, ten days if the owner is unknown or a nonresident without a resident agent, or to request a hearing before a designated hearing officer under Section 8-541. Skip both options and the unified government's crews or contractors cut the lot under Section 8-542, then bill the cost, including administrative fees, under Section 8-543; unpaid bills become a special assessment on the property tax roll or, after a year, a personal debt collectible in county district court with statutory interest under K.S.A. 79-2968. A property flagged as a perennial violator can be mowed without any further individual notice for the rest of the calendar year.

Violations & Fines

Section 8-539(a)(9) makes a violation of this article a misdemeanor carrying a fine of not less than $100.00 nor more than $1,500.00, with each day the excessive growth continues counted as a separate offense. Prosecution does not limit the unified government's separate right to abate the growth itself and recover its removal and administrative costs from the owner.

Frequently Asked Questions

How tall can grass or weeds get before it's a violation in Wyandotte County?
Section 8-534 sets the line at eight inches in height, or 12 inches if the vegetation is matted down. Anything past that on a lot, parcel, or the strip out to the street centerline is excessive growth and unlawful under Section 8-535.
How much notice do I get before the county mows my lot?
You get five days to cut the growth or request a hearing, extended to ten days if you're an unknown or nonresident owner without a resident agent, per the notice requirements in Section 8-539. Miss that window and the unified government abates the violation itself.
What does the county charge for mowing an overgrown lot?
It bills the actual cost of removal plus reasonable administrative costs under Section 8-543, and if you don't pay within 30 days it can place the cost as a special assessment on your property taxes or sue you for it as a personal debt.

Sources & Official References

Other rules in Wyandotte County

All Wyandotte County rules

How Wyandotte County compares: Cities with the Strictest Weed and Property Maintenance Rules·Compare Wyandotte County to another location·View the Kansas landscaping rules overview

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