Protecting Homeowners' Credit History Act of 2010 - Amends the Fair Credit Reporting Act to prohibit a person from furnishing to a consumer reporting agency any negative information resulting from the modification of the terms of a consumer loan secured by one to four units of residential real property, including any agreement to reduce the amount of the payments for the loan or to reduce the principal amount of such loan.
Prohibits a person, in calculating any consumer's credit score, from producing a less favorable credit score on the basis of any information resulting from the modification of the terms of a consumer loan secured by one to four units of residential real property, including any such agreement as well.