If you’re thinking about buying a home, your credit score can affect which mortgages you qualify for and the rate a lender may offer. I’ll show you how to improve your credit score to buy a house, starting with the credit information mortgage lenders actually use.
Too Long; Didn’t Read
- Ask a mortgage lender which score model and loan program they will use.
- Pull your reports from all three credit bureaus and dispute real errors early.
- Pay every bill on time and bring card balances down before statements close.
- If your file is thin, add positive history slowly instead of opening several accounts.
- After pre-approval, avoid new debt and check with your lender before any financial change.
An analysis of 41 YouTube comments about improving credit score for home purchase found that 27% mentioned credit utilization rate.
Step 1: Find Out Which Credit Score and Loan Program Matter
First, ask a mortgage lender which score model and loan program they’ll use to review your application. The score in a banking app may not match a mortgage score, and lenders can use different models. In 2026, some approved lenders can use an alternative score model. Classic FICO scores are still common.
Mortgage lenders may review reports from all three major credit bureaus. For some applications, they use the middle score; with two borrowers, the lower middle score may apply. That’s one reason a single score you see online can’t promise what a lender will find.
The loan program matters, too. FHA rules may allow lower scores with a larger down payment, though lenders can set their own requirements. VA loans have no official minimum score, but lenders may set their own thresholds. Conventional requirements also depend on the lender and how the loan is reviewed. Credit score requirements for buying a house can vary by lender and loan program.
Your score is only one part of the mortgage decision. Lenders also review income, debt payments, down payment, and other parts of your application. Debt-to-income ratio, or DTI, compares monthly debt payments with gross monthly income. It isn’t part of your credit score, but it can affect mortgage approval.
Step 2: Review Your Credit Reports and Dispute Errors
Get your reports from all three major credit bureaus and read each one. Your reports show the account details that feed into many credit scores. Scores can differ because companies use different scoring models and report information can vary. For more information, see this credit score overview.
Look for accounts you don’t recognize, late payments that you believe are wrong, balances that don’t match your records, or an account shown as open after you closed it. Check your name and other identifying details, too. A mistake on one report may not appear on the other two.
Explain what’s wrong, say what you believe is accurate, and include copies of documents that support your claim. Keep copies of your dispute and any reply. Reviewing your credit early in the home-buying process gives you time to address potential errors. Read more about checking your credit before buying a home.
A dispute can take about 30 to 60 days to resolve, so don’t wait until the week you plan to apply. Dispute information only when you have a specific reason to believe it’s inaccurate. Accurate negative information generally doesn’t disappear just because you ask for its removal.
If a lender is already reviewing your file, tell them about an active dispute before making changes that could affect your application.
Step 3: Pay Down Balances and Protect Your Payment History
Start with on-time payments and credit-card balances. Payment history is the largest factor in a typical FICO score, at 35%. Amounts owed account for 30%. Lowering card balances can help if you currently carry them, while steady payments protect the history you’re building.
Credit utilization is the share of your available revolving credit that you’re using. If your card balances equal 40% of your combined limit, your utilization is 40%. Paying those balances down lowers the ratio. Aiming for 10% to 30% is a common guideline, but lower balances can help; you don’t need to carry debt to build credit.
Pay attention to when the card issuer reports a balance. A purchase you plan to pay off may still appear on your report if it’s reported before your payment posts. If you can, pay down the balance before the statement closes, then keep making at least the required payment by its due date.
Set up reminders or automatic payments for at least the minimum due. If your budget allows, pay more. And if you’re considering a credit-limit increase, ask the issuer whether it will use a soft inquiry before you agree. A hard inquiry can briefly lower your score, which may offset some of the benefit from a higher limit.
Keep older, no-fee accounts open if they’re manageable. Their age can support your credit history, and closing them may reduce your available credit. There’s a trade-off when a card has an annual fee. Once the balance is paid, closing a fee-bearing card can stop that cost, but discuss the timing with your lender if you’re close to applying. Don’t close a long-standing account automatically just to tidy up your wallet.
Understanding the factors that shape a credit score can help you focus on payment patterns and credit use. For now, focus on bills due next and balances you can lower without draining money you need for the home purchase.
Keep cash for your down payment and closing needs in view as you decide how much extra to put toward debt.
Step 4: Build Credit Carefully if Your File Is Thin
If you have little credit history, avoid opening several accounts at once in hopes of raising your score quickly. New applications can lead to hard inquiries, and new accounts take time to build a payment record. Start by asking a lender what kind of credit history they need to assess your mortgage application.
If someone you trust has a long-standing card with low balances and a strong record of on-time payments, ask whether they’d consider adding you as an authorized user. The account may help your credit file, but the effect depends on the card issuer and the scoring model. The primary cardholder remains responsible for the account, so make sure they understand the arrangement.
On-time rent may help fill in a thin file if it’s reported to credit bureaus. Some rent-reporting services can add eligible rent payments, but the history needs to be on time, and not every mortgage score uses the same data. Ask a lender whether this step is likely to help with the score model they’ll review before you pay for a service.
A secured card or credit-builder loan may also help establish a record when used carefully. Ask whether the account reports to the credit bureaus and what payment you’ll need to make. Don’t take out a loan or open a card just to add a different kind of credit. The new monthly payment could raise your DTI, and the inquiry may affect your score in the short term.
In Austin and across Central Texas, I encourage buyers to get lender guidance before making a credit move that could affect their mortgage options.
Step 5: Give Improvements Time and Protect Your Score Through Closing
Credit improvements don’t all show up at once. A paid-down balance may be reflected after the issuer reports new information, while correcting an error can take 30 to 60 days. If you have months before buying, use that time to build a steady record. If your purchase is closer, ask a lender which changes might show up soon enough to matter.
Rate shopping is different from applying for unrelated credit. Ask your lender how mortgage inquiries are treated under your credit model, and avoid spreading applications over several months.
Once you’re pre-approved, protect the file the lender reviewed. Don’t finance furniture or a car, open a new card, or make a large card purchase without checking with the lender first. New debt can raise your monthly obligations and DTI. A card balance can also rise before the issuer reports your payment.
Keep paying bills on time, and tell the lender about changes that could affect your application. Don’t move money between accounts or close cards without asking whether the change matters for underwriting. The lender may review your credit again before closing, so the habits that helped you qualify still matter after pre-approval.
In my work with Greater Austin buyers, I help clients understand how financing, timing, and other contract decisions fit into the purchase. I’m a real estate broker, not a mortgage underwriter, so a lender should answer questions about score models and loan qualification. The mortgage pre-approval process is one financing step within the broader home purchase.
If you’re shopping for a mortgage, ask your lender how to time inquiries and check with them before making a financial change.
Frequently Asked Questions
How long does it take to improve your credit score for a mortgage?
It depends on what’s affecting your score. A lower reported card balance may appear after the issuer updates the account, while a credit-report dispute can take about 30 to 60 days. A thin file or a history of late payments may take longer to improve. Ask a lender which changes are likely to matter on your timeline.
What credit score do I need to buy a house?
There isn’t one score that guarantees approval for every mortgage. FHA rules may allow lower scores with a larger down payment, but lenders may set stricter rules. VA loans have no official minimum score, though lenders may have their own requirements. Ask about the exact program you plan to use.
Should I close a credit card before applying for a mortgage?
Usually, don’t close an old, no-fee card right before applying without first asking your lender. Closing it can reduce available credit and may affect the age of your credit history. If the card has an annual fee, weigh that cost against the timing of your mortgage application and ask the lender before you act.
Does checking my own credit lower my score?
No, checking your own credit report or score is a soft inquiry and doesn’t lower your score. A lender’s application review may involve a hard inquiry. Check your reports before applying so you can spot errors, but ask a lender how they’ll review your credit before authorizing a new application.
Can I improve my score after mortgage pre-approval?
Yes, but the safest move is to keep your finances steady. Continue paying bills on time and avoid new debt or large card balances. The lender may review your credit again before closing. Ask before closing an account or making a change that could affect your monthly debt or credit profile.
Conclusion
Start by checking all three credit reports, then ask a mortgage lender which score model and loan program fit your plans. Pay bills on time, lower card balances where you can, and avoid new credit before closing. If you’re preparing to buy in Austin or elsewhere in Greater Austin, I can help you think through the real estate timeline while your lender guides the financing decisions. Robbie English, REALTOR, Broker at Uncommon Realty.
