Quick Answer: A CLUE report (Comprehensive Loss Underwriting Exchange) is a property-specific insurance claims history covering the past seven years. Pennsylvania home buyers should request one before closing—it can reveal water damage, fire losses, mold claims, and other problems that a standard home inspection may miss. Sellers can obtain the report free of charge through their insurance carrier or LexisNexis. What Is a CLUE Report, and Why Does It Matter When Buying a Home