Line of Credit (LOC)

What Is a Line of Credit (LOC)?

A line of credit (LOC) is a preset borrowing limit that can be tapped into at any time. The borrower can take money out as needed until the limit is reached. As money is repaid, it can be borrowed again in the case of an open line of credit.

An LOC is an arrangement between a financial institution—usually a bank—and a customer that establishes the maximum loan amount that the customer can borrow. The borrower can access funds from the LOC at any time as long as they do not exceed the maximum amount (or credit limit) set in the agreement.

Key Takeaways

  • A line of credit (LOC) is a preset borrowing limit that a borrower can draw on at any time that the line of credit is open.
  • Types of credit lines include personal, business, and home equity, among others.
  • An LOC has built-in flexibility, which is its main advantage.
  • Potential downsides include high interest rates, penalties for late payments, and the potential to overspend.
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How Line of Credit Works

Understanding Credit Lines

All LOCs consist of a set amount of money that can be borrowed as needed, paid back, and borrowed again. The amount of interest, size of payments, and other rules are set by the lender. Some LOCs allow you to write checks (drafts), while others include a type of credit or debit card. An LOC can be secured (by collateral) or unsecured, with unsecured LOCs typically subject to higher interest rates.

An LOC has built-in flexibility, which is its main advantage. Borrowers can request a certain amount, but they do not have to use it all. Rather, they can tailor their spending from the LOC to their needs and owe interest only on the amount that they draw, not on the entire credit line. In addition, borrowers can adjust their repayment amounts as needed, based on their budget or cash flow. They can repay, for example, the entire outstanding balance all at once or just make the minimum monthly payments.

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Unsecured vs. Secured LOCs

Most LOCs are unsecured loans. This means that the borrower does not promise the lender any collateral to back the LOC. One notable exception is a home equity line of credit (HELOC), which is secured by the equity in the borrower’s home. From the lender’s perspective, secured LOCs are attractive because they provide a way to recoup the advanced funds in the event of nonpayment.

For individuals or business owners, secured LOCs are attractive because they typically come with a higher maximum credit limit and significantly lower interest rates than unsecured LOCs. Unsecured LOCs are also more difficult to obtain and often require a higher credit score or credit rating. Lenders attempt to compensate for the increased risk by limiting the number of funds that can be borrowed and by charging higher interest rates. That is one reason why the annual percentage rate (APR) on credit cards is so high.

Credit cards are technically unsecured LOCs, with the credit limit—how much you can charge on the card—representing its parameters. But you do not pledge any assets when you open the card account. If you start missing payments, there’s nothing that the credit card issuer can seize in compensation.

An LOC can have a major impact on your credit score. In general, if you use more than 30% of the borrowing limit, your credit score will drop.

Revolving vs. Non-Revolving Lines of Credit

An LOC is often considered to be a type of revolving account, also known as an open-end credit account. This arrangement allows borrowers to spend the money, repay it, and spend it again in a virtually never-ending, revolving cycle. Revolving accounts such as LOCs and credit cards are different from installment loans such as mortgages and car loans.

With installment loans, consumers borrow a set amount of money and repay it in equal monthly installments until the loan is paid off. Once an installment loan has been paid off, consumers cannot spend the funds again unless they apply for a new loan.

Non-revolving LOCs have the same features as revolving credit (or a revolving LOC). A credit limit is established, funds can be used for a variety of purposes, interest is charged normally, and payments may be made at any time. There is one major exception: The pool of available credit does not replenish after payments are made. Once you pay off the LOC in full, the account is closed and cannot be used again.

As an example, personal LOCs are sometimes offered by banks in the form of an overdraft protection plan. A banking customer can sign up to have an overdraft plan linked to their checking account. If the customer goes over the amount available in checking, the overdraft keeps them from bouncing a check or having a purchase denied. Like any LOC, an overdraft must be paid back, with interest.

Types of Lines of Credit

LOCs come in a variety of forms, with each falling into either the secured or unsecured category. Beyond that, each type of LOC has its own characteristics.

Personal Line of Credit

This provides access to unsecured funds that can be borrowed, repaid, and borrowed again. Opening a personal LOC usually requires a credit history of no defaults, a credit score of 670 or higher, and reliable income. Having savings helps, as does collateral in the form of stocks or certificates of deposit (CDs), though collateral is not required for a personal LOC. Personal LOCs are used for emergencies, weddings and other events, overdraft protection, travel and entertainment, and to help smooth out bumps for those with irregular income.

Home Equity Line of Credit (HELOC)

HELOCs are the most common type of secured LOC. A HELOC is secured by the market value of the home minus the amount owed, which becomes the basis for determining the size of the LOC. Typically, the credit limit is equal to 75% or 80% of the market value of the home, minus the balance owed on the mortgage.

HELOCs often come with a draw period (usually 10 years) during which the borrower can access available funds, repay them, and borrow again. After the draw period, the balance is due, or a loan is extended to pay off the balance over time. HELOCs typically have closing costs, including the cost of an appraisal on the property used as collateral.

Since the Tax Cuts and Jobs Act of 2017, interest paid on a HELOC is only deductible if the funds are used to “buy, build or substantially improve” the property that serves as collateral for the HELOC.

Business Line of Credit

Businesses use these to borrow on an as-needed basis instead of taking out a fixed loan. The financial institution extending the LOC evaluates the market value, profitability, and risk taken on by the business and extends an LOC based on that evaluation. The LOC may be unsecured or secured, depending on the size of the LOC requested and the evaluation results. As with almost all LOCs, the interest rate is variable.

Demand Line of Credit

This type can be either secured or unsecured but is rarely used. With a demand LOC, the lender can call the amount borrowed due at any time. Payback (until the loan is called) can be interest only or interest plus principal, depending on the terms of the LOC. The borrower can spend up to the credit limit at any time.

Securities-Backed Line of Credit (SBLOC)

This is a special secured-demand LOC, in which collateral is provided by the borrower’s securities. Typically, an SBLOC lets the investor borrow anywhere from 50% to 95% of the value of assets in their account. SBLOCs are non-purpose loans, meaning that the borrower may not use the money to buy or trade securities. Almost any other type of expenditure is allowed.

SBLOCs require the borrower to make monthly, interest-only payments until the loan is repaid in full or the brokerage or bank demands payment, which can happen if the value of the investor’s portfolio falls below the level of the LOC.

Limitations of Lines of Credit

The main advantage of an LOC is the ability to borrow only the amount needed and avoid paying interest on a large loan. That said, borrowers need to be aware of potential problems when taking out an LOC.

  • Unsecured LOCs have higher interest rates and credit requirements than those secured by collateral.
  • Interest rates for LOCs are almost always variable and vary widely from one lender to another.
  • LOCs do not provide the same regulatory protection as credit cards. Penalties for late payments and going over the LOC limit can be severe.
  • An open LOC can invite overspending, leading to an inability to make payments.
  • Misuse of an LOC can hurt a borrower’s credit score. Depending on the severity, the services of a top credit repair company might be worth considering.

What are common types of lines of credit (LOCs)?

The most common types of lines of credit (LOCs) are personal, business, and home equity (HELOCs). In general, personal LOCs are typically unsecured, while business LOCs can be secured or unsecured. HELOCs are secured and backed by the market value of your home.

How can I use an LOC?

You can use an LOC for many purposes. Examples include paying for a wedding, a vacation, or an unexpected financial emergency.

How does an LOC affect my credit score?

Lenders conduct a credit check when you apply for an LOC. This results in a hard inquiry on your credit report, which lowers your credit score in the short term. Your credit score will also drop if you tap into more than 30% of the borrowing limit.

Article Sources
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  1. Federal Trade Commission, Consumer Advice. “Home Equity Loans and Home Equity Lines of Credit.”

  2. Experian. “What Is a Line of Credit?

  3. Consumer Financial Protection Bureau. “My Lender Offered Me a Home Equity Line of Credit (HELOC). What Is a HELOC?

  4. Internal Revenue Service. “Interest on Home Equity Loans Often Still Deductible Under New Law.”

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