Maryland Pesticide Record Keeping & Compliance
Maryland regulates commercial pesticide application through the Maryland Department of Agriculture's Pesticide Regulation Section. Between lawn posting, consumer information sheets, and adjacent-property notification, Maryland lawn care operators live and die by good records and reliable notices.
Published July 31, 2026 · Last reviewed July 31, 2026
Record keeping in Maryland
Retention: 2 years. Maryland licensed pest control businesses must keep application records for at least two years. Records include the date, the site treated, the product and EPA registration number, the rate and amount, and the certified applicator or registered employee who made the application.
Licensing: Pesticide Applicator's Certificate / Pest Control License, administered by Maryland Department of Agriculture (MDA).
Notification & posting rules
Maryland requires posting signs on lawns at the time of a commercial application, and customers must receive the state's consumer information sheet. Individuals on Maryland's notification list must receive advance notice of applications to adjacent properties.
Frequently asked questions
How long do Maryland pest control businesses keep pesticide records?
At least two years. Each record should identify the site, date, product and EPA registration number, rate and amount, and the certified applicator responsible.
Does Maryland require lawn posting and customer notice?
Yes — commercial lawn applications require posting signs at the time of application and providing customers the consumer information sheet, and neighbors on the notification list must receive advance notice.
Who licenses pesticide businesses in Maryland?
The Maryland Department of Agriculture licenses pest control businesses and certifies the applicators who work for them.
Educational summary, not legal advice — verify current requirements with Maryland Department of Agriculture (MDA).
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