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Maricopa County, AZ Public Health Rules: Rodent Control (2026)

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

Key Facts

Governing law
Environmental Health Code, Ch. III, Reg. 1
Enforcing agency
Maricopa County Environmental Services Dept.
Trigger
Rodent, roach, bedbug, or flea infestation
Permit risk
Food/lodging permit suspension if infested

Summary

Maricopa County bans rodent, roach, bedbug, and flea infestations on any property, and the Environmental Services Department can order the owner or occupant to abate an infestation once notified.

City-specific rules exist: Chandler, Scottsdale, Phoenix, Goodyear, Tempe, Peoria, Gilbert, and Glendale have their own rodent control rules that differ from Maricopa County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

The infestation by or harborage of rodents, lice, bedbugs, roaches, flies or other arthropods of public health significance, in or about any premises is hereby declared to be dangerous to public health. No person shall cause, maintain, or within his control, permit such infestation or harborage. The owner, occupant, or person in control ... shall take all reasonable measures to prevent such infestation or harborage and, upon notification from the Department to do so, shall take all necessary and proper steps to eliminate the infestation or harborage and to prevent its recurrence.

Source: Maricopa County Vector ControlView official code

Full Breakdown

Environmental Health Code Chapter III makes it unlawful to cause, maintain, or knowingly permit rodents, lice, bedbugs, roaches, flies, or other arthropods of public health significance to infest or harbor in or about any premises in Maricopa County. Owners, occupants, or the person in control must take reasonable measures to prevent infestation and, once the Environmental Services Department notifies them, must take all necessary steps to eliminate it and stop it from recurring. A property offered as a food establishment or human habitation while infested can have its operating permit suspended until the infestation is abated.

Violations & Fines

Failure to abate after Department notice can lead to permit suspension for food or lodging uses, and the county can pursue enforcement, injunctive relief, or civil penalties for the nuisance.

Frequently Asked Questions

Can the county make me deal with rodents on my property?
Yes. Once the Environmental Services Department notifies an owner or occupant of an infestation, they must take all necessary steps to eliminate it and prevent it recurring.
Does this rule also cover mosquitoes?
Yes. Regulation 2 of the same chapter separately bans standing water that breeds mosquitoes and requires the owner to eliminate the breeding source once notified.

Sources & Official References

Other rules in Maricopa County

All Maricopa County rules

Compare Maricopa County to another location·View the Arizona public health rules overview

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