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Does a Line of Credit Affect Your Credit Score?
July 1, 2025

Quick Answers
Applying for a line of credit initiates a hard inquiry on your credit report, which can temporarily lower your score by a few points.
Your credit utilization ratio—the percentage of your available credit you use—is a major factor, and keeping this balance low can positively impact your score.
Making consistent, on-time payments demonstrates financial responsibility and will help build a positive payment history, which can improve your credit score over time.
What Is a Line of Credit?
A line of credit is a flexible loan from a financial institution that provides a predefined amount of money you can access as needed. Unlike a traditional loan where you receive a lump sum, a line of credit allows you to draw funds up to your credit limit at any time. As you repay the borrowed amount, your available credit is replenished, allowing you to borrow again without reapplying.
Your eligibility for a line of credit, along with the interest rate and credit limit you receive, is heavily influenced by your credit score. Lenders review your credit history to assess risk, with higher scores typically qualifying for more favorable terms. Subsequently, your responsible management of the account—such as making timely payments and maintaining a low balance—is reported to credit bureaus and can impact your score over time.
How a Line of Credit Can Affect Your Credit Score
A line of credit can be a flexible financial tool, but it's important to understand its potential impact. How you manage it can either help or hinder your credit score.
- The Hard Inquiry: When you first apply, the lender will pull your credit report, resulting in a hard inquiry. This can cause a small, temporary dip in your score that usually rebounds within a few months.
- Credit Utilization: A new line of credit increases your total available credit. By keeping your balance low, you lower your credit utilization ratio—a key scoring factor—which can significantly improve your score over time.
- Account Age: Opening a new account lowers the average age of your credit history. Lenders prefer a longer history, so this can have a slight negative impact, weighing against the other potential benefits.
- Payment History: Your track record of payments is the most critical factor. Making consistent, on-time payments will build a positive history and boost your score, while late payments will have a substantial negative effect.
How Much Will a Line of Credit Affect Your Credit Score?
A line of credit can impact your credit score in several ways, both positively and negatively. Here are a few key factors to consider.
- Credit Utilization Ratio: This ratio compares your used credit to your total available credit. A lower ratio is generally better for your score, so avoid maxing out your line of credit.
- Hard Inquiries: Applying for a new line of credit triggers a hard inquiry on your report. This can temporarily lower your score by a few points, so apply for new credit sparingly.
- Payment History: Making on-time payments will positively affect your credit score over time. Conversely, late or missed payments can significantly damage your credit history and lower your score.
How You Can Avoid a Line of Credit Affecting Your Credit Score
Maintain a Low Credit Utilization Ratio
Keeping your balance low relative to your total credit limit is crucial. A high credit utilization ratio can signal financial distress to lenders. Aim to use less than 30% of your available credit to demonstrate responsible management and protect your credit score.
Ensure Timely Payments
Your payment history is a primary component of your credit score. Consistently making on-time payments is essential. A single late payment can lower your score, so consider setting up automatic payments to ensure you never miss a due date and maintain a positive record.
Choose the Right Card to A Line of Credit
Your credit score is dynamic, not set in stone, and can always be improved with consistent, positive financial habits. According to one expert guide, most people see meaningful changes within three to six months of taking the right steps.
- Monitor your credit reports regularly. You can get free reports from all three major bureaus to identify and dispute any inaccuracies that could be dragging down your score.
- Set up automatic bill payments. Payment history is the single most significant factor in your score, so ensuring you pay on time, every time, is crucial for building a positive history.
- Lower your credit utilization ratio. Aim to use less than 30% of your available credit, as high balances can signal financial distress to lenders.
- Become an authorized user. Being added to a credit card account with a long history of on-time payments and low utilization can give your score a boost.
- Diversify your credit mix. Lenders like to see that you can responsibly manage different types of credit, such as revolving credit cards and installment loans.
- Limit hard inquiries. Avoid applying for too much new credit in a short period, as each application can temporarily dip your score.
The Bottom Line
A line of credit can affect your credit score, both positively and negatively. Responsible usage, like making on-time payments and keeping your balance low, is crucial for a positive impact.
Frequently Asked Questions
Does opening a line of credit hurt my credit score?
Opening a new line of credit can cause a small, temporary dip in your score due to the hard inquiry on your credit report.
How does using a line of credit impact my credit utilization ratio?
Your credit utilization ratio is the amount you owe versus your total credit limit. Keeping a low balance helps maintain a healthy ratio and score.
Will closing a line of credit improve my credit score?
Not necessarily. Closing an account can reduce your available credit and shorten your credit history, which could potentially lower your score in the short term.
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