Mortgage lenders generally check with three credit bureaus in order to evaluate your past payment history. Your goal in cleaning up your credit report should be to clean up each of the three bureaus. If you only work on one, this does not effect the reporting to the other bureaus.

The first step is to get a copy of your merged credit report, which shows all three of the major bureaus, Experian (formerly TRW), Equifax (formerly CBI), and Trans-Union. Most mortgage lenders will obtain data from all three of these bureaus in analyzing your credit history. The exception is that some portfolio lenders (usually adjustable rate lenders) may only review one.

There are two efforts that must be made. First, call any creditors reporting a negative and ask them to remove the negative item. Ask in a nice calm voice and do not get upset when they say no. Simply repeat your request over and over in your nice pleasant voice. If you get nowhere, then ask to speak to the supervisor. Make sure you keep a log of your conversation, noting the date, time, who you spoke to and what they said. Repeat this procedure over and over. In a high percentage of cases, it works.

Be sure to ask for a letter by mail or fax that shows the creditor is correcting the negative information. You may need this letter for two reasons. First, they may not actually make the changes. With the letter, you can appeal directly to the credit bureau and they will make the correction. Second, if you are applying for a mortgage before the changes actually hit the credit bureau