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Oak Park, IL Public Health Rules: Rodent Control (2026)

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

Key Facts

Declared nuisance
any rat, mice, or pest infestation
Poison placement rule
rodent-only receptacle required outdoors
Enforcement
Village Manager written notice to abate
Unpaid abatement cost
becomes a lien on the property
General penalty
$20 to $750 per offense, § 1-1-5

Summary

Oak Park declares any infestation of rats, mice or other vermin a nuisance under the Village Code, along with using rodent poison outside without a tamper-proof receptacle. The Village Manager can order property owners to abate a rodent nuisance and, if they refuse, abate it directly and bill the cost.

It shall be the duty of the Village Manager or his agent to serve notice, in writing, upon the owner, occupant, agent, or person in possession, or control of any lot, building, or premises in or upon which any nuisance may be found, or who may be the owner or cause of any nuisance requiring such person to abate the same in such manner as the Manager shall prescribe, within a reasonable time. ... The following are declared to be nuisances as well as and in addition to any other act, omission of act, occupation or use of property or premises, equipment or structure deemed to be a nuisance as declared in any other section of the Code or other ordinances of the Village. ... ... G. All infestations of flies, fleas, roaches, lice, ticks, rats, mice, fly maggots and mosquito larvae. ... ... N. The use of poison outside of any structure without placing the same in a receptacle so that it can be reached only by rodents for which the poison is intended.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-9: Code current through: Ord. 26-159, passed - -2026).

Full Breakdown

Chapter 16 of the Oak Park Village Code treats rodent infestation as a public nuisance the Village itself can act on, not just a private matter between neighbors. Section 16-1-4(G) declares all infestations of flies, fleas, roaches, lice, ticks, rats, mice, fly maggots and mosquito larvae a nuisance on any Village property, and subsection N separately makes it a nuisance to use poison outside a structure unless it sits in a receptacle only rodents can reach, protecting pets, wildlife and children from exposed bait. Enforcement runs through section 16-1-2: the Village Manager or an agent serves written notice on the owner, occupant, agent or person in control of the property, requiring abatement within a reasonable time the Manager sets, without having to spell out exactly how to abate it unless the Manager chooses to.

If the property owner or occupant is unknown or cannot be found, the Manager can skip notice and abate the infestation directly. Once the notice period lapses without action, the Village proceeds with abatement itself, or refers the matter to the Village Attorney for court action if there's no emergency, and bills the cost to whoever created, continued or allowed the nuisance, on top of any separate fine, with the expense becoming a lien on the property. Section 16-1-5 folds sanitation-related nuisances generally, including garbage, food establishments and health and sanitation violations, into this same abatement scheme.

Violations & Fines

A rodent infestation left unabated after Village Manager notice can be abated by the Village at the owner's expense, recorded as a property lien, in addition to any fine under section 1-1-5 of the code, no less than twenty dollars and up to seven hundred fifty dollars, with each day of continuing violation treated as a separate offense.

Frequently Asked Questions

Is a rat infestation illegal in Oak Park?
Yes. Section 16-1-4(G) of the Village Code declares any infestation of rats, mice and similar pests a nuisance in the Village, and section 16-1-2 lets the Village Manager order the responsible property owner or occupant to abate it within a reasonable time.
Can I put rat poison anywhere in my yard?
Not loose. Section 16-1-4(N) of the Village Code makes it a nuisance to use poison outside a structure unless it's placed in a receptacle that only the target rodents can reach, a rule meant to keep pets, wildlife and children away from exposed bait.
What happens if I ignore the Village's notice to clear a rodent infestation?
Under section 16-1-2, the Village Manager can proceed to abate the nuisance directly once your notice period expires, then bill you for the cost of that work and record it as a lien against your property if the bill goes unpaid.
Does Oak Park need my permission to deal with a rodent problem?
Only if it can find someone to notify. Section 16-1-2 lets the Village Manager skip the written notice step and abate a nuisance immediately when the owner, occupant or person in control of the property is unknown or cannot be located.

Sources & Official References

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