Massachusetts Pesticide Record Keeping & Compliance
Massachusetts regulates commercial pesticide application through MDAR's pesticide program. Commercial applicators must be licensed or certified, keep three years of records, and navigate some of the country's strictest rules around schools and sensitive sites.
Published July 31, 2026 · Last reviewed July 31, 2026
Record keeping in Massachusetts
Retention: 3 years. Massachusetts commercial applicators must keep pesticide application records for at least three years under 333 CMR. Records include the date and location, the product and EPA registration number, the rate and total amount applied, the target, and the licensed or certified applicator responsible.
Licensing: Commercial Applicator License / Certification, administered by Massachusetts Department of Agricultural Resources (MDAR).
Notification & posting rules
Massachusetts has strict rules for applications on school and daycare properties under its school IPM law, and customers can request information about products applied to their property. Many municipalities add their own posting expectations.
Frequently asked questions
How long must pesticide records be kept in Massachusetts?
At least three years for commercial applications under 333 CMR. Records must identify the site, date, product and EPA registration number, rate and amount, and the applicator.
Who licenses pesticide applicators in Massachusetts?
The Massachusetts Department of Agricultural Resources (MDAR) licenses commercial applicators and certifies applicators who use or supervise restricted-use products.
Are there special rules for schools in Massachusetts?
Yes — the state's school IPM law sharply restricts pesticide use on school and daycare grounds and requires IPM plans and notifications. Verify a site's status before treating it.
Educational summary, not legal advice — verify current requirements with Massachusetts Department of Agricultural Resources (MDAR).
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