It shall be unlawful for any person or persons within the limits of this municipality, to erect or maintain any building or structure in such a manner as to be unsafe, injurious, or annoying to the public, or allow any sidewalk, curbstone, gutter, awning, or awning post to be placed or remain in a dangerous condition; or to place or suffer to remain on any sidewalk or street any obstruction injurious to the public use of the same.  Any building or obstruction of any kind whatsoever, standing in whole or in part on any street or alley of the municipality is hereby declared a nuisance.
(1972 Code, § 6-328)