STATE LICENSE
RequiredIllinois Department of Public Health (IDP…
Illinois splits pest work between two agencies. Pests in and around structures — insects, rodents, termites, fumigation — fall under the Structural Pest Control Act (225 ILCS 235), administered by the Department of Public Health. Lawn, turf, and ornamental spraying for hire falls under the Department of Agriculture's Pesticide Act instead.
The line is hard: an applicator licensed under the Pesticide Act may not perform structural pest control unless also licensed and certified under the Structural Pest Control Act (§ 3.09). Every commercial location needs its own license, its own certified technician, and a certificate of insurance on file.
The state sets the license floor; the county or city permit office controls filing, inspections, and local rules wherever the job site sits.
Structural pest control is a state credential administered by IDPH; local governments contribute only business licensing where their codes require it. School districts and licensed early care centers carry their own integrated-pest-management notification duties under the Act (§§ 10.2–10.3).
The local offices section below names the exact permit desk for every Illinois county on file.
Each row names the issuing authority, cost, timeline, citation, and status behind the requirement — verified against the official source.
Published fees from the issuing authorities, as of October 2026. Local permit fees vary by project and jurisdiction — the basis is stated where a flat number does not exist.
Licenses expire December 31; renew by December 1. Applications postmarked after December 31 are not eligible for renewal.
Turf and ornamental pesticide work for hire is licensed by the Department of Agriculture, not IDPH.
The Structural Pest Control Act is scheduled for repeal on December 31, 2029 unless extended.
A practical sequence for a new pest control contractor in Illinois. Actual agency processing times are noted in the ledger above.
Each item names the issuing authority, cycle, and citation.
Statutory consequences with their citations — not estimates, not “commonly cited” guesses.
Violating the Act, its rules, or a Department order is a Class A misdemeanor; each day is a separate offense.
IDPH may assess fines set by rule in addition to or instead of license suspension or revocation.
Inside city limits, the city office listed here issues the permit; the county office serves unincorporated areas. Every office links to its official page.
Every fact in this file was checked against these official sources on October 2026.
Pending verification: Dollar amounts of IDPH administrative civil fines (set by rule under § 21.1, not reviewed)
General information, not legal advice. Always confirm requirements, deadlines, and forms with the issuing authority before filing or contracting.
Store licenses, permits, policies, and renewal dates in one place.