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Credit Score Mistakes Homeowners Make (And Don't Realize)

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by Joe Mahlow •  Updated on Oct. 14, 2025

Credit Score Mistakes Homeowners Make (And Don't Realize)
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Credit Score Mistakes Homeowners Make

Small choices after buying a home can cost you thousands and raise your rates. Below are the most common mistakes homeowners make, and quick actions you can take now.

  • Closing old cards: Lowers average account age and raises utilization.
  • Ignoring report errors: Check all three bureaus annually and dispute mistakes.
  • Paying only minimums: Costs huge interest — pay more and attack high-rate debt first.
  • Multiple applications: Space out hard inquiries to avoid big score drops.
  • Cosigning loans: You’re legally on the hook — monitor accounts closely.
  • Life changes: Update or close joint accounts after divorce or a spouse’s death.
  • Maxing cards for renovations: Use HELOCs, personal loans, or spread charges to protect utilization.

Secure & confidential. Instant insights help you prioritize fixes that make the biggest impact.


Your credit score affects more than your ability to buy a house. It determines your mortgage rate, insurance premiums, and even job opportunities. Most homeowners think they understand credit, but small errors compound into major financial problems.

These mistakes cost thousands of dollars in higher interest rates and missed opportunities.

Closing Old Credit Cards After Buying a Home

Closing Old Credit Cards

You paid off your credit cards and bought your house. Now you want to close those accounts and start fresh. This decision hurts your credit score in two ways.

First, closing accounts reduces your total available credit. Credit scoring models examine your credit utilization ratio, which compares your debt to your available credit. When you close a card with a $10,000 limit while carrying $3,000 in balances elsewhere, your utilization jumps from 15% to 30%. Anything above 30% damages your score.

Second, closing old accounts shortens your credit history length. Credit bureaus value long-standing accounts because they demonstrate consistent financial behavior over time. A credit card you opened 15 years ago contributes positively to your average account age. Close it, and you lose that benefit.

Keep old cards active with small recurring charges like streaming subscriptions. Pay them off monthly. This maintains your credit history and utilization ratio without accumulating debt.

Ignoring Mistakes on Your Credit Report

Credit reports contain errors more often than most people realize. A Federal Trade Commission study found that one in four consumers had a mistake on credit score reports from at least one of the three major bureaus. These errors range from incorrect account balances to accounts belonging to someone else entirely.

An equifax credit score mistake or errors from TransUnion and Experian hurt your borrowing power. Wrong information about late payments, collection accounts, or account balances reduces your score unfairly. Lenders see these errors and deny applications or charge higher interest rates.

Check your credit reports from all three bureaus annually at AnnualCreditReport.com. Review every account, balance, and payment history entry. Look for accounts you never opened, incorrect payment histories, or wrong personal information.

Dispute errors immediately through the credit bureau's website. Provide documentation supporting your claim. The bureau must investigate within 30 days and remove inaccurate information. Follow up until the mistake gets corrected. Your score will improve once erroneous negative items disappear.


Check Your Credit Score Regularly

Get a clear picture of your credit fast: identify errors, learn which negative items you can challenge, and discover practical steps to improve your score. Our simple process helps you prioritize fixes that deliver the biggest impact — without guessing.

  • Spot errors: Learn how to find inaccurate or duplicate entries.
  • Prioritize fixes: Focus on the items that most affect your score.
  • Action plan: Templates and next steps to dispute and follow up.

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Making Only Minimum Payments

Minimum payments keep accounts current, but they destroy your financial health. Credit card companies design minimum payments to maximize their profit, not help you become debt-free.

A $10,000 balance at 18% interest takes 30 years to pay off with minimum payments. You'll pay over $20,000 in interest alone. High balances relative to your credit limits hurt your utilization ratio, which accounts for 30% of your credit score.

Pay more than the minimum every month. Target paying off the full balance or at least enough to keep utilization below 30% on each card. Prioritize high-interest debt first while maintaining minimum payments on other accounts.

Some homeowners consolidate credit card debt into a home equity loan for a lower interest rate. This strategy works only if you stop using the credit cards. Otherwise, you end up with both a home equity loan and new credit card debt.

Applying for Multiple Credit Cards or Loans Simultaneously

You want to shop around for the best mortgage rate or credit card offer. Each application triggers a hard inquiry on your credit report. Multiple hard inquiries in a short period signal financial distress to lenders.

What is one mistake that could reduce your credit score? Applying for several credit products within weeks drops your score by 5 to 10 points per inquiry. Five applications in two months cost you 25 to 50 points. This decrease moves you from "good" to "fair" credit territory, resulting in higher interest rates or denied applications.

Credit scoring models treat multiple mortgage or auto loan inquiries within 14 to 45 days as a single inquiry. You have this shopping window to compare rates without repeated score damage. Credit card applications receive no such leniency. Each one counts separately.

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Limit credit applications to when you need them. Space out applications by at least six months. Research offers and narrow choices before applying. Many credit card companies offer prequalification tools using soft inquiries, which don't affect your score.

Cosigning Loans for Family Members

Your adult child needs a car loan but has limited credit history. A family member wants to start a business and asks you to cosign. Helping loved ones feels right, but cosigning puts your credit at risk.

When you cosign, you become legally responsible for the debt. The loan appears on your credit report as if you borrowed the money yourself. Late payments hurt your score. Defaulted loans go into collections under your name. The debt increases your debt-to-income ratio, affecting your ability to borrow.

If your daughter misses three car payments, your credit score drops even though you never drove the vehicle. If your brother's business fails and the loan defaults, collectors pursue you for the full amount.

Before cosigning, consider giving a gift instead if you have the money. You lose the cash but protect your credit. If you must cosign, monitor the account monthly. Set up alerts for missed payments. Have honest conversations about financial responsibility before agreeing to cosign.

Neglecting Credit After Major Life Changes

Divorce, death of a spouse, or job loss disrupts your financial situation. During these stressful times, credit monitoring often falls to the bottom of your priority list. This neglect creates problems that persist for years.

After divorce, joint accounts remain on both spouses' credit reports. If your ex-spouse stops paying the joint credit card, your score suffers. Close or transfer joint accounts as part of the divorce settlement. Refinance the mortgage to remove your ex-spouse from the loan.

When a spouse dies, surviving partners sometimes ignore accounts in the deceased's name. Creditors still expect payment. Unpaid accounts go to collections and appear on your credit report if you were a joint account holder.

Job loss tempts some homeowners to skip mortgage or credit card payments. Missing even one payment drops your score by 90 to 110 points. Contact lenders immediately when facing financial hardship. Many offer forbearance programs, payment plans, or modified terms that prevent credit damage.

Using All Available Credit During Home Improvements

You bought your house and want to renovate. Credit cards offer quick financing for materials and labor. Maxing out credit cards for renovations pushes your utilization ratio to 100%, severely damaging your score.

Home improvement projects like hiring landscaping companies fort collins co or remodeling your kitchen require significant funds. While credit cards provide immediate access to money, high balances hurt your credit profile. Lenders see maxed-out cards as a red flag indicating financial stress.

Instead of credit cards, consider a home equity line of credit with lower interest rates. Personal loans offer fixed payments and terms. Save money over several months before starting large projects. If you must use credit cards, spread charges across multiple cards to keep individual utilization rates low.


Forgetting About Medical Bills

Medical bills operate differently from other debts, but they still affect your credit. Unpaid medical bills go to collections after 90–180 days and appear on your credit report, reducing your score.

Many homeowners assume insurance will pay and forget about bills. However, delays in insurance processing often cause these accounts to fall through the cracks, eventually ending up with collection agencies.

Recent updates help: medical collections under $500 no longer appear, and paid collections are removed immediately. Still, unpaid medical bills remain a threat to your credit. Track your bills and set up payment plans early to avoid damage.

“One missed medical bill can cost you more than a late payment,  it can cost you your score.”

Avoiding Credit Completely

Some homeowners think zero debt equals perfect credit. But credit scores measure management, not avoidance. Without active accounts, your file becomes “thin,” lowering or erasing your score.

Keep at least one or two credit cards active for small monthly purchases and pay them in full. This keeps your credit history alive without carrying debt or paying interest.

Missing the Connection Between Credit and Insurance Rates

Your credit score affects more than loan approvals, it also impacts your insurance premiums. Homeowners with scores under 600 pay 50%–100% more than those above 750.

To lower costs, improve your credit and request a rate review after major score increases. Shop new insurance quotes yearly to secure better rates.

Failing to Understand Authorized Users

Adding an authorized user can build their credit, but mismanagement hurts yours. If they overspend or pay late, your utilization and score drop.

Set spending limits, review activity, and remove users who act irresponsibly. Helping someone build credit shouldn’t risk your own.

Overlooking the Impact of Paid Collections

Even after payment, collections stay on your report for up to seven years. They show you defaulted, even if settled. Request a “pay for delete” deal before paying — some agencies agree to remove the entry.

If the account is nearly seven years old, waiting may be smarter than paying. Always consult a credit expert first.

Closing Accounts After Identity Theft

Closing all accounts after identity theft lowers your score. Instead, secure them: update passwords, enable fraud alerts, and monitor activity. Keep accounts open unless required to close.

Report identity theft at IdentityTheft.gov and file a police report to dispute fraudulent activity safely.

Missing Payment Due Dates by Days

Even short delays can cost you. Mortgage companies report after 30 days late, and credit cards may penalize sooner. Late payments drop scores up to 110 points and stay for seven years.

Set up auto-pay, payment alerts, and pay early. Protect your score with consistency, not perfection.

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