Suffolk County town codes sharply restrict home business signage. Most towns allow one unlit, non-flashing sign no larger than 2 square feet, flush-mounted to the dwelling or mailbox post. Freestanding yard signs, illuminated signs, and any external advertising beyond professional name-plate are prohibited in residential zones.
Brookhaven 85-30.B.6 and Islip 68-45 limit home-occupation signage to 1-2 sq ft, non-illuminated, bearing only the occupants name and profession. Banners, flags, A-frame signs, and vehicle-mounted advertising stored in view are not permitted. Home daycares may display state-required licensing placards. Real estate signs, contractor site signs, and political signs are covered by separate code sections with size and duration limits.
Oversize or illuminated home-business sign: notice to remove, then $250-$500 per day. Freestanding yard sign: removal required. Internally lit signs in residential zones: up to $1,000.
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