How Can You Raise Your Credit Score or Fix Report Errors Before Applying for a Mortgage?

Paying down credit card balances and correcting genuine errors on your credit report are the two most reliable ways to raise your score before applying, and both can be done in the weeks before you apply. The size of the improvement depends on what is dragging your score down, how the error is documented, and how your lender's underwriting process handles it once you reapply.

Last updated July 22, 2026

What raises a credit score the fastest before applying?

Payment history and credit utilization (how much of your available revolving credit you are using) are the two biggest pieces of a FICO score. Paying down credit card balances so utilization drops, and making sure every payment is on time, are typically the most direct levers a borrower controls. Some borrowers see a meaningful score jump, commonly in the range of tens of points, after clearing card balances or resolving a small collection account, though results vary by starting score and overall credit mix. Credit score simulators can help model a few different payoff scenarios so you use available cash on the accounts that move the needle most, rather than guessing.

Can disputing an error on my credit report help me qualify?

Yes, if the item is genuinely inaccurate, duplicated, or fraudulent. Under the Fair Credit Reporting Act you can dispute errors directly with the credit bureaus and with the company that reported them. A standard dispute investigation typically takes up to 30 days, or up to 45 days if you submit additional documentation. That is different from a lender-ordered "rapid rescore," which is not something you can request yourself. During underwriting, a lender can sometimes ask for one once a correction is documented, and it can post in roughly three to five business days, faster than a standard dispute but not instant. When you dispute, ask specifically for deletion of the inaccurate item, not just an update, and get written confirmation once it is removed. A short, documented letter explaining a derogatory item can also sometimes let underwriting move forward without full removal of the item, depending on the lender and the circumstances.

What if a debt shows as deferred, forgiven, or my mortgage shows as past due?

A debt that is only deferred, such as a student loan on a payment pause, generally still has to be counted in your debt-to-income calculation. To exclude it, it typically needs to be shown as inaccurate, formally discharged, or forgiven, not merely paused. Separately, if you currently have a mortgage that is reporting as past due, that is generally a hard blocker for new mortgage financing until it is brought current and the correction is reflected, regardless of what caused the late mark. If you believe a payment was misapplied or a late mark is a servicer error, that is also disputable, but resolving it takes documentation and time, so it is worth raising as early as possible before you plan to apply.

It depends on your situation

  • The item is clearly wrong (duplicate, fraud, someone else's account): Dispute it with all three bureaus and the reporting company, ask for deletion, and keep the written confirmation for your loan file.
  • The item is accurate but old or was a one-time issue: A documented letter of explanation may let underwriting work around it without removing it, depending on the lender and loan program.
  • The debt is deferred (like a paused student loan), not forgiven: Plan on it counting in your debt-to-income ratio unless you can document that it was discharged or forgiven.
  • You have a small collection account: Paying it off, or negotiating a pay-for-delete arrangement where the creditor agrees to remove the listing once paid, are both common paths worth discussing before you reapply.
  • Your existing mortgage is currently reporting late: Bring it current first. New financing is generally not possible until that is resolved and reflected.
  • You are not sure which debt to pay down first: A credit score simulator can model different scenarios so you use available cash where it helps your score the most.

Lenders in our network commonly ask for a brief letter of explanation on older derogatory items rather than requiring full removal, which can save time compared to a lengthy dispute process.

Key facts
How long does a standard credit dispute take?Up to 30 days, or up to 45 days with added documentation
How fast can a lender-ordered rapid rescore post?Roughly 3 to 5 business days once the correction is verified, requested by the lender during underwriting, not by the consumer directly
Does a deferred debt count in qualifying?Generally yes, unless proven inaccurate, discharged, or forgiven
Can you have a past-due mortgage and still qualify for a new one?Generally no, it must be brought current first
What should a dispute letter ask for?Deletion of the inaccurate item, not just a correction, with written confirmation once removed

Related questions

Sources

  • https://www.consumerfinance.gov/ask-cfpb/how-long-does-it-take-to-repair-an-error-on-a-credit-report-en-1339/
  • https://consumer.ftc.gov/articles/disputing-errors-your-credit-reports
  • https://homebuyer.com/guidelines/fannie-mae/extenuating-circumstances-for-derogatory-credit-b3-5-3-08
  • https://homebuyer.com/guidelines/freddie-mac/credit-assessment-for-manually-underwritten-mortgages-5202-1
  • https://homebuyer.com/guidelines/fannie-mae/debts-paid-off-at-or-prior-to-closing-b3-6-07
  • https://homebuyer.com/guidelines/fannie-mae/du-credit-report-analysis-b3-5-3-09
  • https://www.myfico.com/credit-education/whats-in-your-credit-score
  • https://homebuyer.com/guidelines/fannie-mae/previous-mortgage-payment-history-b3-5-3-03
  • https://www.consumerfinance.gov/ask-cfpb/is-it-possible-to-remove-accurate-negative-information-from-my-credit-report-en-1249/
  • https://www.fico.com/en/newsroom/myfico-launches-new-mortgage-score-simulator-help-consumers-prepare-homeownership
  • https://www.fico.com/en/newsroom/new-fico-score-simulator-enables-consumers-to-see-how-future-actions-could-affect-fico-scores-04-13-2016

Educational information only, not individualized financial or legal advice. Program details and rates change; verify current terms with a licensed loan officer before making a decision.