How to Improve Your Credit Score Before Applying for a Mortgage

Your credit score does two jobs when you apply for a mortgage. First, it helps determine whether you get approved at all. Second, and just as important, it influences the interest rate you are offered. Over the life of a 30-year loan, even a fraction of a percentage point in rate can translate into thousands of dollars in interest, which makes your score one of the highest-leverage things you can improve before you apply.

The encouraging part is that the habits that build a strong score are well understood, and many of them are under your control. If you are planning to buy a home in the next six to twelve months, the steps below can meaningfully move your score in the right direction — provided you start early and stay consistent.

Check your three credit reports and dispute errors

Before you try to raise anything, find out where you stand. You are entitled to a free copy of your credit report from each of the three nationwide bureaus — Equifax, Experian, and TransUnion — and the easiest way to request them is through the official site, AnnualCreditReport.com. Pull all three, because the information they hold can differ.

Read each report carefully. Look for accounts that are not yours, incorrect balances, late payments that were actually on time, and accounts that should have aged off but are still showing. If you find a mistake, dispute it with the bureau in writing. Removing an error — especially a serious one like a wrongly reported delinquency — can produce a meaningful score jump, and disputes can take weeks, so start this early.

Pay every bill on time

Payment history is the single largest factor in most scoring models, so a clean record is the foundation of everything else. Set up autopay or calendar reminders so nothing slips through. Even one missed payment reported as 30 days late can set your score back noticeably and stay on your report for years. If you have a history of late payments, the best thing you can do now is build a streak of on-time payments going forward.

Reduce your credit card utilization

Utilization is the share of your available revolving credit that you are using, and it is usually the second-most-important factor in your score. The lower the better. A common rule of thumb is to keep balances under about 30% of your limits, and ideally much lower. Two ways to get there:

• Pay balances down. Target the cards with the highest utilization first, since they drag the most.
• Keep cards open even after paying them off. Closing an account reduces your total available credit, which can push your utilization up even if your balance does not change.

If you can, pay your balance in full each month. It saves interest and keeps utilization low at the same time.

Avoid opening new credit

Every new credit application triggers a hard inquiry, which can shave a few points off your score, and each new account lowers the average age of your credit history. In the months before a mortgage, hold off on new credit cards, auto loans, and store financing. A new car payment is doubly harmful — the inquiry and the new monthly obligation both work against your mortgage application.

Keep older accounts open

The length of your credit history matters, and older accounts help more than newer ones. Resist the urge to close an old card you no longer use, even if it has no balance. As long as it is not costing you an annual fee you would rather not pay, leaving it open preserves the length of your history and your total available credit. Both support a higher score.

How long improvements take

Credit repair is rarely instant. Removing an error can help within weeks once a dispute is resolved, but rebuilding payment history and lowering utilization takes months of consistent behavior. If you are planning to buy, give yourself at least six months — and ideally longer — to work on your score before you apply. The improvements that stick are the ones built slowly and held in place.

It is also worth knowing that the score a lender pulls may differ from the number you see in a free consumer app. Lenders often use a mortgage-specific scoring model, so the two figures can sit a few points apart. The goal is the same either way: a higher score, a cleaner report, and a better rate.

Your credit score does more than decide approval — it helps set your interest rate, so a few months of careful credit habits can pay off for the entire life of the loan.

The Consumer Financial Protection Bureau's credit reports and scores guide explains how to check your reports, dispute errors, and build credit the right way. For your free annual reports, visit AnnualCreditReport.com, the site authorized by federal law. Remember that every credit profile is unique, so results will vary with your specific history.

Last reviewed: November 2, 2026 · Junior Franco