Brooklyn Waterproofing Contractors

Classified by keyword match against each company's own DOB-registered business name — not a self-reported specialty (NYC doesn't publish one). Keywords are deliberately conservative to avoid false matches, so a real waterproofing contractor with an unusual or abbreviated name may be missing from this list; that's an undercount, not a misclassification. A general contractor doing waterproofing work as part of a larger job won't appear here unless "waterproofing" is in its own name.