N.Y.C. Admin. Code § 27-2019: § 27-2019 Elimination of harborages.

All building material, lumber, boxes, cartons, barrels, containers, machinery, raw material, fabricated goods, junk, food, animal feed and any other substance which may afford harborage or provide food for such rodents or insects and other pests shall be kept stored or handled by the owner and tenants of every dwelling in such manner as the department may require. The department may make orders to eliminate rat harborages to the person who is responsible for the conditions. The department shall uncover and inspect periodically all structural harborages which cannot be eliminated from dwellings.