Mold remediation is supposed to solve the problem — but many homeowners on Long Island worry about one thing afterward: Will the mold come back? The honest answer is: mold can return if remediation isn’t done properly or if the underlying moisture issue isn’t fixed . When remediation is handled correctly by a professional environmental contractor, mold should not return. Here’s how to understand the difference and how to protect your home long-term. Why Mold Comes Back After