Can you use a HELOC to buy a second property?
Yes — and it is one of the more common reasons homeowners open a line of credit against their primary residence. The equity you have built over years of mortgage payments and appreciation becomes accessible capital, and a HELOC lets you draw from it without selling the home or taking a lump-sum loan you may not fully need.
The core idea is straightforward: you open a HELOC on your primary home, draw the funds needed for a down payment (or, in some cases, the full purchase price) on a second property, then manage two sets of payments — the HELOC draw and whatever financing you take on the new property.
How the mechanics work
A HELOC is a revolving credit line, typically structured with a draw period of around 10 years and a repayment period of 10 to 20 years after that. During the draw period you can pull funds, repay them, and pull again — paying interest only on the outstanding balance.
When used for a second-property purchase, most borrowers draw once for the down payment, leave the rest of the line available, and begin repaying as quickly as cash flow allows. If you are buying an investment rental, rental income may help service the HELOC balance.
What lenders evaluate
Lenders look at several factors before approving a HELOC on your primary home:
| Factor | What lenders typically want |
|---|---|
| Combined loan-to-value (CLTV) | Often 85% or below (meaning you retain at least 15% equity after the new line) |
| Credit score | Generally 680 minimum; best rates above 720 |
| Debt-to-income ratio (DTI) | Most lenders cap at 43–50%, counting all obligations including the new HELOC payment |
| Income verification | W-2s, tax returns, or documented rental income depending on your situation |
| Property appraisal | Current value of your primary home determines the equity available |
Note that when you apply for a mortgage on the second property, that lender will also see the HELOC as an open obligation. Disclosing the HELOC upfront — and showing a low or zero balance — keeps the process clean.
What types of second properties does this work for?
Vacation homes
A HELOC down payment is common for a lake house, mountain cabin, or beach cottage. Because you already have a primary residence with equity, you arrive at the negotiating table as a strong buyer — often with the down payment ready before you make an offer.
Investment rental properties
Using equity to acquire a rental is a classic real estate strategy. The logic: if the rental income exceeds the HELOC interest plus any mortgage payment on the new property, the investment generates positive cash flow. That outcome is never guaranteed, but it is the scenario investors model before proceeding.
Land or fixer-uppers
Buyers purchasing raw land or a property that needs substantial work sometimes use a HELOC because the new property may not qualify for conventional financing on its own. The HELOC against an existing home fills the gap.
What are the biggest risks?
Being honest about the risks is as important as understanding the opportunity.
- Your primary home is collateral. If you cannot make HELOC payments — because the rental sits vacant, the vacation home costs more than expected, or your income changes — the lender has a claim on the home you already live in.
- Variable interest rates. Most HELOCs carry variable rates tied to an index like the prime rate. If rates rise significantly after you draw funds, your monthly interest cost rises too.
- Two properties, two sets of costs. Property taxes, insurance, maintenance, and HOA fees on a second property add up quickly. Running conservative projections before drawing funds is worth the time.
- Market timing is unpredictable. Drawing equity from a primary home and deploying it into a second property concentrates real estate risk. If both markets soften simultaneously, your financial position tightens on two fronts.
How much equity can you actually access?
The formula most lenders use:
- Take the current appraised value of your primary home.
- Multiply by the lender’s maximum CLTV (often 80–85%).
- Subtract what you still owe on your first mortgage.
- The result is the approximate maximum HELOC credit line.
For example, if your home is worth $600,000, you owe $250,000 on the mortgage, and the lender allows 85% CLTV: ($600,000 × 0.85) − $250,000 = $260,000 available. Actual approved amounts vary by lender and your full financial profile.
Alternatives worth comparing
A HELOC is not the only way to pull equity. Before committing, consider how it compares:
- Home equity loan: A fixed lump sum at a fixed rate. Better if you know exactly how much you need and want predictable payments.
- Cash-out refinance: Replaces your existing mortgage with a larger one and puts the difference in your pocket. Can make sense if your current rate is already above prevailing rates, but you lose the flexibility of a revolving line.
- Investment property financing: Some buyers finance the second property directly with a higher down payment and a conventional investment-property mortgage, leaving primary home equity untouched.
Each path has different rate structures, closing costs, and risk profiles. Comparing offers across multiple lenders — for both the HELOC and any mortgage on the second property — is one of the most reliable ways to reduce the total cost of the strategy.