Second mortgage vs. home equity loan: What's the difference?

Once you’ve built significant equity in your home, you may be looking for ways to access those funds. Second mortgages and home equity loans are just two options. Is there a difference? A second mortgage is a broader loan category, while a home equity loan is a specific type of second mortgage. 

Basically, all home equity loans are second mortgages, but there are several types of home equity loans. Let’s look at the pros and cons and when taking out a second mortgage makes sense.

Key takeaways:

• A second mortgage is a second lien on your home, while a home equity loan is a type of loan that acts like a second mortgage.
• A home equity loan lets you tap into your home’s equity and access those funds as a lump sum payment.
• Various loan products fall under the umbrella of a second mortgage, including home equity loans and home equity lines of credit (HELOCs).

What is a second mortgage?

A second mortgage is a loan secured by your home in addition to your primary mortgage. If you default on your loan and your home is sold to pay off your debts, this loan is paid off second, after your first mortgage. Second mortgages are also sometimes referred to as junior liens. 

How do second mortgages work?

A second mortgage is a lien taken out against your home equity. There are two different types of second mortgages — open-end and closed-end loans. Here are some examples of each type of second mortgage:

• Home equity loan: A home equity loan¹ is a closed-end loan because you receive the entire loan amount up front and cannot draw any additional funds later.
• Home equity line of credit: A HELOC is an open-end loan because you can continue to borrow money up to your credit limit. And as you pay down the balance, you can borrow again. 

What is a home equity loan, and how does it work?

A home equity loan allows you to borrow against your home equity. It comes with fixed interest rates and an upfront lump sum payment. You’ll repay the loan in monthly installments, with loan terms ranging from 5 – 30 years, depending on your lender. If this sounds like a good fit for you, consider a Home Equity Loan from Rocket Mortgage.

A home equity loan is considered a second mortgage because it’s an additional loan that’s secured by your home. You can usually borrow up to 80% of your home’s loan-to-value (LTV) ratio. If you want to estimate your equity, you can use Rocket Mortgage's home equity calculator.

Key differences: Home equity loans vs. second mortgages

Unlike refinancing, a home equity loan is considered a second mortgage. That means you’ll have a second monthly mortgage payment, which can put more strain on your finances. Many people take out a second mortgage to consolidate debt, finance a home improvement project, or pay for a large one-time expense.

Second mortgages are risky for your lender because the primary lender gets paid first if you default. As a result, these loans typically come with higher interest rates. 

Pros and cons of second mortgages

Here are some of the biggest advantages and disadvantages to consider about second mortgages. 

 Pros

• Predictable monthly payments: Home equity loans come with fixed interest rates, so your monthly payments won’t change over the life of the loan. This predictability can make the loan payments easier to budget for. 
• Less expensive: Since a second mortgage uses your home as collateral, it tends to come with lower interest rates than credit cards or personal loans.
• Flexible payment options: You can choose to receive the funds as a one-time, lump sum payment or as an ongoing line of credit.

 Cons

• Closing costs: You’ll have to pay closing costs on a second mortgage, just like you did with your primary mortgage. These costs can quickly add up and cut into the amount you have available to borrow.
• Second monthly payment: Taking out a second mortgage means you’ll have to account for another monthly mortgage payment. Plus, HELOCs come with variable interest rates, so your monthly payment could increase depending on market conditions. 
• Could lose your home: Using your home to secure the loan means that if you’re unable to make the payment, your lender could foreclose on your house. 

When to consider a home equity loan

Here are some scenarios when it could make sense to take out a home equity loan. 

Consolidate debt

Credit cards come with high interest rates, making it easy to get trapped in a cycle of debt. Home equity loans can help you consolidate multiple credit card balances into one loan with much lower rates. When used strategically, this can be a good way to get out of debt. 

Perform home improvements

Some homeowners take out a home equity loan to fund a home improvement project or renovations. Because you’ll receive a lump sum payment, a home equity loan is a better option when you know how much you’ll need to spend up front.   

Pay for higher education

Home equity loan rates are often lower than student loan interest rates, so the funds can also be used to cover higher education costs. However, you’ll lose out on the borrower protections offered by federal student loans. 

When to consider a HELOC

Here are some situations when taking out a HELOC could make more sense. 

Buy a second home

If you want to buy a second home, you can use your existing home equity to cover some of the costs. For instance, the funds could be used for a down payment and to cover closing costs. And the flexibility of a HELOC makes it easy to cover the various expenses that come up when buying a home. 

Consolidate credit card debt

If you have a lot of credit card debt you’re trying to pay off, you can use a HELOC to consolidate your debt. Although the interest rates are variable, they’ll be much lower than what you’ll receive on a credit card. 

Cover revolving expenses

HELOCs are a revolving line of credit, so you can spend up to your credit limit, and then borrow again once you pay down your balance. If you have ongoing expenses that are hard to manage, a HELOC could give you access to the resources you need.

FAQ about second mortgages

Here’s some additional information about second mortgages and home equity loans.

Do second mortgages have closing costs?

Yes, second mortgages have closing costs, and they can vary depending on your loan amount and lender. In general, you can expect to pay between 2% – 5% of the total loan amount in closing costs.

How long does approval take for a home equity loan or second mortgage?

How long the approval process takes depends on your lender, financial situation, and how quickly you get your documents submitted.  The timeline can take anywhere from 2 weeks to 2 months.

How do fixed-rate and variable-rate home equity loans work?

A home equity loan comes with fixed interest rates, so your monthly payments won’t change over the life of the loan. In comparison, HELOCs have variable interest rates, which can change based on market conditions.

Does my home need to be appraised to get a second mortgage?

Yes, most lenders require an appraisal before you can close on a second mortgage. An appraisal accurately determines the value of your home and ensures you have enough equity to borrow.

Is a home equity loan a second mortgage?

A home equity loan acts as a second mortgage if you currently have a mortgage. It allows you to leverage the equity in your home without modifying the loan terms or interest rate of your primary mortgage. Most lenders limit how much homeowners can borrow based on their loan-to-value ratio (LTV).

The bottom line: A home equity loan is a second mortgage

Second mortgages can be used to cover home renovations, higher education costs, and ongoing expenses. Home equity loans and HELOCs are two different types of second mortgages. If you’re interested in learning more, reach out to a Home Loan Expert who can answer your questions and help you evaluate your options. 

¹Home Equity Loan product requires full documentation of income and assets, credit score and max loan-to-value (LTV), combined loan-to-value (CLTV), and home equity combined loan-to-value (HCLTV) ratios. Requirements were updated 11/19/25 and are tiered as follows: 680 minimum FICO with a max LTV/CLTV/HCLTV of 80%, 700 minimum FICO with a max LTV/CLTV/HCLTV of 85%, and 740 minimum FICO with a max LTV/CLTV/HCLTV of 90%. Your debt-to-income ratio (DTI) must be 50% or below. Valid for loan amounts between $45,000.00 and $500,000.00 (minimum loan amount for properties located in Michigan is $10,000.00). Product is a second standalone lien and may not be used for piggyback transactions. Product not available on Ameriprise products. Guidelines may vary for self-employed individuals. Some mortgages may be considered “higher priced” based on the APOR spread test. Higher‑priced loans in the State of New York are subject to additional regulatory requirements. Additional restrictions apply. This is not a commitment to l

Refinancing may increase finance charges over the life of the loan.

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