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How First-Time Homebuyers Can Boost Credit Scores Fast

October 14, 2025

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by

Landy Liu

You've decided you're ready to buy your first home. You've started looking at listings, maybe even attending open houses. Then reality hits: your credit score needs work before lenders will offer you the rates you want—or approve you at all.

The good news is that you can see meaningful improvements in as little as 30 days with the right strategies. While building excellent credit takes time, you don't need a perfect score to buy a home. You just need to cross those crucial threshold numbers.

Before diving into improvement strategies, know what you're aiming for.

  • FHA loans: Minimum score of 580 (some lenders may require 620)
  • Conventional loans: Typically 620 minimum, but 740+ gets you the best rates
  • Better rates territory: Every 20-point increase can lower your interest rate
Even if you're at 580, getting to 620 could save you thousands over the life of your loan. And if you're at 680, pushing to 700+ could mean the difference between a 7% rate and a 6.5% rate on a 30-year mortgage—potentially saving you $30,000 or more.

Six quick wins to kick up your credit score

1. Reduce Credit Card Balances Strategically

Your credit utilization ratio—how much of your available credit you're using—is the second-biggest factor affecting your score. Lenders want to see you using less than 30% of your available credit, but lower is always better.

The fast-action plan:

  • Check when your credit card company reports to the bureaus (usually at the end of your billing cycle)
  • Pay down your highest-balance cards first, or cards that are closest to their limits
  • If you can't pay them off entirely, *aim* to get each card below 30% utilization
  • Consider making multiple payments throughout the month to keep balances low
Real-world example: If you have a $3,000 credit card balance on a card with a $5,000 limit, you're at 60% utilization. Pay it down to $1,000, and you've dropped to 20%—a move that could boost your score within 30 days once reported.


2. Dispute Any Errors on Your Credit Report

Nearly half of Americans have errors on their credit reports, and some of those errors drag down scores. A wrongly reported late payment or an account that isn't yours could be costing you.

How to do it fast:

  • Get your free credit report at AnnualCreditReport.com
  • Look for obvious errors: payments marked late when you paid on time, accounts you don't recognize, incorrect credit limits, or old negative information (most items should drop off after seven years)
  • Dispute online through Experian, Equifax, or TransUnion's dispute centers—online disputes typically process faster than mail

Credit bureaus have 30-45 days to investigate, so you’ll want to start this process early.

3. Ask for Higher Credit Limits

If you've been managing your cards responsibly but have lower credit limits, requesting increases can instantly improve your utilization ratio.

When this works best:

  • You have a history of on-time payments with the issuer
  • Your income has increased since you got the card
  • You've had the card for at least six months

Call your card issuer and ask if they can increase your limit *without a hard credit inquiry.* The latter is important because a hard pull can negatively impact your credit score. A “soft pull” won’t affect your score and is typically the norm, but make sure you ask.

4. Become an Authorized User

This is one of the fastest ways to build credit history if you have a partner or trusted family member with excellent credit. When they add you as an authorized user on their card, that card's entire payment history can appear on your credit report.

Critical requirements:

  • The primary cardholder must have excellent payment history
  • They should keep their balance low (under 30% utilization)
  • The card issuer must report authorized users to all three credit bureaus (most do)
You don't even need access to the actual card to benefit. The account history alone can help, often showing results within one to two months.

5. Deal with Collections and Past-Due Accounts

That old medical bill or forgotten utility payment in collections is hurting you more than you think. While paying off a collection doesn't remove it from your report, some newer credit scoring models ignore paid collections entirely.

Your options:

  • Pay the collection in full and request a "pay-for-delete" letter (some collectors will remove the entry from your report)
  • If you fell behind due to circumstances beyond your control, write a goodwill letter to the creditor explaining your situation and requesting removal
  • Bring any past-due accounts current immediately—every month an account remains delinquent continues to damage your score

6. Get Credit for Bills You Already Pay

Services like Experian Boost can give you instant credit for paying your utility bills, phone bills, and even streaming services on time. While not all lenders use scoring models that consider these alternative payments, many do—and it costs nothing to add them.

Rent reporting services can also add your rental payment history to your credit report, which is particularly valuable for first-time buyers who've been renting and paying on time but haven't built traditional credit.

What NOT to Do While Preparing to Buy

As tempting as it might be to optimize every angle, avoid these common mistakes.

Don't open multiple new accounts. Each application triggers a hard inquiry that can temporarily lower your score. More importantly, new accounts reduce your average credit age.

Don't make large purchases on credit. That new furniture for your future home can wait. High balances, even if you plan to pay them off, can hurt your utilization ratio at exactly the wrong time.

Don't close accounts (even if you pay them off), because the length of your credit history matters and closing an account can remove a positive payment history from your report. You want maximum available credit and the longest credit history possible during the mortgage application process.

Don't let anyone run your credit unnecessarily. Save those hard inquiries for actual mortgage pre-approvals. When rate shopping for a mortgage, do it within a 14-45 day window—credit scoring models treat multiple mortgage inquiries in a short period as a single inquiry.

The most important thing?

Start now. The sooner you begin implementing these strategies, the sooner you'll be holding the keys to your first home—with a mortgage rate you can feel good about.