Section 42-633 - Illuminated or flashing signs
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In all districts, as indicated, illuminated or flashing advertising signs are not permitted.
Illuminated or flashing signs , other than advertising signs , and accessory or advertising signs with indirect illumination are permitted, provided that the total surface area of all such signs , in square feet, shall not exceed:
(a) for illuminated or flashing signs other than advertising signs , five times the street frontage of the zoning lot , in feet, and that the surface area of each sign shall not exceed 500 square feet; and
(b) for accessory or advertising signs with indirect illumination , five times the street frontage of the zoning lot , in feet, and that the surface area of each sign shall not exceed 750 square feet.
However, in any Manufacturing District in which residences or joint living-work quarters for artists are, under the provisions of the Zoning Resolution, allowed as-of-right or by special permit or authorization, the total surface area of all such permitted signs shall not exceed five times the street frontage of the zoning lot , in feet, and that the surface area of each sign shall not exceed 500 square feet.