Is It Legal to Put Flyers on Doors? Federal, State, and City Rules

Yes — it is legal to put flyers on doors in the United States, but it is never legal to put them in mailboxes. A federal statute, 18 U.S.C. § 1725, reserves every USPS-approved mailbox for stamped mail. Doors, doorknobs, and porches are governed instead by your city’s handbill ordinance and by any “No Soliciting” sign the resident has posted. A professional flyer distribution service is built to clear all three layers on every route.