NYC zoning prohibits virtually all external signage for home occupations in residential districts. A small professional nameplate is the maximum allowed for permitted home offices.
Signage for home-based businesses in New York County (Manhattan) is tightly restricted under the NYC Zoning Resolution. In residential districts, home occupations may not produce any external evidence of the business. For permitted professional offices such as those of doctors, lawyers, dentists, architects, and similar licensed professionals, a single non-illuminated nameplate not exceeding approximately 1 square foot is generally the maximum signage allowed, and it must be affixed to the building wall or door. No flashing signs, illuminated signs, window banners, lawn signs, or sandwich boards are permitted. Temporary real estate signs and political signs are governed separately. Landmark buildings and historic districts require Landmarks Preservation Commission approval for any sign, even compliant nameplates. Co-op and condo boards often prohibit all exterior signage regardless of zoning allowance. Violations are enforced by the NYC Department of Buildings with fines. Contact NYC 311 and your building management before installing any sign.
Contact your local code enforcement office for specific penalty information.
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