Showing ordinances that apply to Mount Sinai, NY
Mount Sinai is an unincorporated community (population 11,623) in Suffolk County, New York. Because Mount Sinai is not an incorporated city, it does not have its own municipal code. Instead, Suffolk County ordinances apply directly to properties here. The signage rules rules below are the ones that govern your area.
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.
See how Mount Sinai's signage rules rules stack up against other locations.
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