What Is a Home Equity Line of Credit and How Does

What Is a Home Equity Line of Credit and How Does It Work?

A home equity line of credit, or HELOC, lets you borrow against the equity you have built in your home. It works like a credit card with your house as collateral: you get approved for a credit limit, draw what you need, pay it back, and draw again. For homeowners who need flexible access to funds, a HELOC can be a powerful financial tool.

How a HELOC Works

A HELOC has two distinct phases.

The draw period lasts 5 to 10 years. During this time, you can borrow up to your credit limit as often as you like. Most lenders provide a debit card, checks, or online transfer capability. You pay interest only on the amount you have actually borrowed, not your full credit limit. Many lenders allow interest-only payments during the draw period, though paying down principal is always a good idea.

The repayment period follows and lasts 10 to 20 years. You can no longer draw funds, and you must repay the outstanding balance through regular principal-and-interest payments. This is where payment shock can hit borrowers who only made interest-only payments during the draw period.

Here is an example. You have a $100,000 HELOC at 8% interest. During the draw period, you borrow $40,000. Your monthly interest-only payment is about $267. When the repayment period starts and you have to pay back that $40,000 over 15 years, your payment jumps to roughly $382 -- and that assumes you have not borrowed more in the meantime.

How Much Can You Borrow?

Your HELOC limit depends on your home equity and your lender's combined loan-to-value (CLTV) limit. Most lenders allow a CLTV of 80% to 85%, meaning your first mortgage plus HELOC cannot exceed 80% to 85% of your home's appraised value.

The math:

• Home value: $600,000
• Current mortgage balance: $350,000
• Lender's CLTV limit: 85%
• Maximum total debt: $600,000 x 0.85 = $510,000
• Maximum HELOC: $510,000 - $350,000 = $160,000

Your actual approved amount also depends on your credit score, income, and DTI ratio. Just because the equity math works does not mean you automatically qualify for the maximum.

Interest Rates and Costs

Most HELOCs have variable interest rates tied to the prime rate plus a margin. If the prime rate is 7.5% and your margin is 1%, your rate is 8.5%. When the Fed raises or lowers rates, your HELOC rate moves with it.

This variability is the biggest risk. A HELOC that starts at 7.5% could climb to 10% or higher if rates rise. Most HELOCs have a lifetime rate cap (often 18% to 21%), but even a few percentage points of increase can significantly affect your payment.

Upfront costs are typically lower than a home equity loan or cash-out refinance. Many lenders waive closing costs on HELOCs. Watch for:

• Annual fees ($25 to $100)
• Early termination fees if you close the line within 2 to 3 years
• Inactivity fees if you do not use the line
• Transaction fees on draws (rare but check)

Qualification Requirements

HELOC qualification standards are similar to a mortgage:

• Credit score: Most lenders require a minimum of 680, with better rates at 720 and above.
• DTI ratio: Generally 43% or lower, including your first mortgage and the HELOC payment.
• Equity: You typically need at least 15% to 20% equity after accounting for the HELOC.
• Income documentation: Pay stubs, W-2s, tax returns -- similar to a mortgage application.
• Property appraisal: The lender will appraise your home to confirm its value. Some lenders accept automated valuations for smaller lines.

Smart Uses for a HELOC

HELOCs work best when the need is ongoing, variable, or uncertain in amount:

• Home renovations in phases. Draw funds as each phase begins rather than borrowing the full amount upfront.
• Emergency fund backup. Open the line but do not draw from it unless needed. You pay nothing until you borrow.
• Business expenses. Access working capital as needed (though mixing personal and business finances has its own risks).
• Education costs. Draw tuition payments semester by semester.

HELOCs are generally not ideal for:

• Everyday spending. Treating a HELOC like a piggy bank is a fast path to trouble.
• Investments. Borrowing against your home to invest in the stock market adds risk on top of risk.
• Consolidating debt you will run up again. If you transfer credit card balances to a HELOC but keep charging the cards, you end up with more debt, not less -- and now your home is on the line.

HELOC vs. Cash-Out Refinance

If you locked in a low mortgage rate in 2020 or 2021, a cash-out refinance means giving up that rate for today's higher rates on your entire balance. A HELOC sits behind your existing mortgage, so you keep your low rate and only pay the higher HELOC rate on the additional funds you borrow. For many homeowners, this is the deciding factor.

What Happens If You Sell?

When you sell your home, the HELOC must be paid off from the sale proceeds, just like your first mortgage. The first mortgage gets paid first, then the HELOC. If your home value has dropped below what you owe on both, you are in a difficult position.

Some lenders can freeze or reduce your HELOC if property values in your area decline significantly. This happened to many homeowners during the 2008 crisis. It is a risk worth understanding.

SOMA can help you evaluate whether a HELOC makes sense given your current mortgage terms, equity position, and financial goals.