How Much Can You Borrow With a HELOC on a Vacation Home You Already Own?

The Quick Read: It depends on your credit tier and how the home is used, but on a second home the line is the home’s value times a combined loan-to-value ceiling of 75% to 90%, minus what you already owe, capped at $500,000, and the 90% tier requires a 720 or better credit profile. Every figure here is subject to lender guidelines and full file review.

• On a second-home line, the ceiling runs from 75% CLTV at a 640 score up to 90% CLTV at 720 or better.
• The maximum second-home line is $500,000, even when the equity math says more.
• Renting the home out can reclassify it as an investment property, which caps the line at 70% CLTV with a 700 minimum score.
• Owning the home free and clear raises your room, but it never removes the CLTV ceiling or the dollar cap.
• A line is not a plan: the amount you can borrow and the amount you should draw are two different numbers.

The Formula: Value, Ceiling, Balance

The borrowing limit is the home’s value times the lender’s CLTV ceiling, minus the mortgage you already owe, up to the program’s dollar cap. CLTV means combined loan-to-value: every loan against the home, added together, divided by its value. A second home gets lower ceilings than a primary residence, and your credit score sets which ceiling applies.

Here is the arithmetic in words. Take the value. Multiply by the ceiling for your credit tier. Subtract your first mortgage balance. What remains is the most the line can be, before the cap trims it.

The line sits behind your first mortgage, in second position, and leaves that mortgage untouched. It can also stand alone in first position if the home has no mortgage. Lendmire arranges these standalone equity lines through select wholesale partners in a limited set of states. That footprint is narrower than its DSCR footprint of 41 markets, including Washington, D.C.

What Ceiling Applies at Each Credit Tier?

On a second-home line, the ceiling steps down as your credit profile weakens. These are typical network ranges for lines up to $500,000, and each file is underwritten individually.

The floor for a second-home line is a 640 score. Below that, this product does not apply to a vacation home, though a primary-residence line has a lower floor.

On this network, a second-home ceiling never exceeds 90% CLTV, and 90% appears only at 720 or better.

Three Worked Examples, in Percentages

Percentages tell the story better than dollar amounts, because the cap only bites on higher-value homes. These are modeled assumptions, not market data.

The first row shows the formula at work. A 720-plus borrower with a mortgage equal to 35% of the home’s value can borrow up to 55% of value, which is 90% minus 35%.

The second row is the free-and-clear case. You owe nothing, so the whole ceiling is open. You still cannot borrow 100% of the value, and the line still stops at $500,000.

The third row is the trap. A 640 score gives a 75% ceiling, and a large existing balance eats most of it. The same home with a 720 score would have far more room.

On a higher-value home, the $500,000 cap binds before the percentage does. A borrower with strong credit and large equity can hit the cap with room to spare. In that case, the cap is the answer to how much you can borrow.

The Gap Between Maximum and Sensible

The maximum line is what the lender allows. It is not what the vacation home can carry. Because at least 75% of the line is drawn at closing on both programs, a large approval means a large balance on day one. Size the line to a purpose, such as a down payment or a repair budget, and not to the ceiling.

Is the Home a Second Home or an Investment Property?

How the lender classifies the home sets everything else. A second home assumes you live in another home as your primary residence and use the vacation home for personal stays. Regular bookings, rental income on a tax return, or a management agreement can push the lender to treat it as an investment property.

On this network, an investment-property line tops out at 70% CLTV and wants a 700 minimum score. It runs only on the five-year interest-only draw with 25-year repayment. Lines above $500,000 are for primary residences only, so an investment line stays at or below that mark.

Rental income does not help you qualify on a second-home line. It can only change how the lender classifies the property. If the home earns real rent, tell the lender up front. Surprises in classification are the quickest way to lose a ceiling you were counting on.

Market color is limited here. Reporting from CBS News shows that minimum equity on a second home varies widely by lender and occupancy. One BiggerPockets discussion shows that availability of lines on investment property varies by bank.

What Else Moves Your Number

Credit tier and classification are the big levers. Several smaller ones can still change the result.

Valuation. Lines at or below $500,000 ordinarily use an automated valuation and no traditional appraisal. A higher CLTV may require a secondary valuation. You can request a full appraisal in any case, and it is worth doing if the automated number looks low.

Debt-to-income. The maximum DTI is 50%. The program’s 600 credit floor applies to primary residences, so a second-home file starts at 640. Any ratio above 45% requires a 680 minimum score, and the lower 45% limit applies to profiles from 600 to 679. The lender reviews your file on the interest-only payment calculated on the maximum draw, so a bigger line makes the test harder.

Credit reporting. The score comes from a single-bureau model keyed to the primary wage earner. The report must be no more than 90 days old at closing, and rescores are not available. A bankruptcy needs 4 years of seasoning from discharge or dismissal.

Title. The home must be held by you individually or in a revocable living trust. An LLC, a corporation, a partnership, or an irrevocable, blind, or land trust cannot hold title on these lines. That is the sharpest difference from a DSCR loan, where an LLC borrower is common, subject to program terms. A vacation home already deeded to an LLC needs a vesting change first, or a DSCR cash-out refinance instead.

Property type. Single-family homes, 2-4 units, PUDs, townhomes, and condominiums are eligible, including non-warrantable condos. Manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, and agricultural-zoned properties are not offered.

Exposure. A borrower is limited to three lines, and an owner of more than 15 financed properties is not eligible. Count your other lines before you plan around this one.

How the Line Behaves After You Draw

A home equity line works in two phases. The CFPB’s overview of home equity lines describes a draw period followed by repayment, often over 10 or 20 years. On this network, second-home lines use either a 3-year interest-only draw with 17-year repayment, or a 5-year draw with 25-year repayment. Pricing floats during both phases and never converts to a fixed payment.

The arithmetic for the limit is the same one federal guidance describes. The CFPB’s HELOC booklet explains that lenders set the credit limit as a percentage of appraised value, minus the mortgage balance. The same booklet warns that some line terms prohibit renting out the home, so read your agreement before you list the property.

The real risk is the collateral. Here that home is your vacation property, and any payment jump when the interest-only period ends lands on that same asset.

Vacation-Home Line or Primary-Home Line?

You may also be able to borrow against your primary residence instead. The two choices put different assets on the line.

A primary-residence line above $500,000 caps at 75% CLTV and requires a full appraisal. Putting the vacation home at risk keeps your main residence out of the deal. Putting your main home at risk may raise the limit. This is a genuine tradeoff, and the right answer depends on how much of your net worth each property represents.

Using the Line for the Next Rental

An investor who owns a vacation home often asks this question for one reason: the down payment on a rental. A line against the vacation home can supply those funds, and many DSCR purchase programs accept documented line draws. Some limit how much of the down payment can be borrowed, or want a set amount of your own money in the deal. Approval of the line does not guarantee the purchase lender accepts the draw, so confirm that before you open it.

DSCR means debt service coverage ratio: the property’s monthly rent divided by its full monthly payment, which covers principal, interest, taxes, insurance, and any HOA dues. That payment bundle is called PITIA. DSCR loans are designed for non-owner-occupied investment properties. Because they are business-purpose investor loans, they are reviewed differently from a standard owner-occupied mortgage.

Across the wholesale network, typical DSCR terms look like this:

• Purchase: most files land at 75% to 80% LTV on a purchase, which means 20% to 25% down. Select programs reach 85% LTV on a purchase, which means 15% down, with roughly a 700 or better score.
• Cash-out refinance: tops out around 75% LTV on a cash-out, with about 6 months of seasoning as the common expectation.
• Coverage: 1.00 is where many select programs start. A separate select-lender path takes coverage below 1.00 with leverage and terms adjusted. Stronger ratios open better pricing and leverage.
• Credit: a 620 floor exists in parts of the network, most programs want around 660, and 700 or better unlocks the strongest tiers.
• Reserves: commonly around 6 months of PITIA, though they vary by lender, leverage, loan size, and transaction type.

Clearing 1.00 does not mean the rental produces positive cash flow. Repairs, vacancy, management, utilities, and capital expenses all sit outside the calculation. The strongest files clear two tests: enough equity and enough rental coverage. Lendmire’s complete DSCR loans guide walks through the second test in full.

Tax treatment can depend on how the funds are used and how the property is held; borrowers should keep clear records and speak with a qualified tax professional before relying on any deduction.

If you want more detail on the equity side, Lendmire’s piece How Much Can You Borrow on an Investment Property HELOC on a Vacation Home? covers the investor angle. Its article on how much can you borrow on an investment property HELOC for a vacation home down payment covers that use of the funds.

Key Terms Defined

CLTV (combined loan-to-value): all loans secured by the home, added together, divided by its value.

Second home: a property you use personally, while living in a different home as your primary residence.

Investment property: a home held to produce rent, which gets a lower CLTV ceiling on equity lines.

Draw period: the first phase of a line, when you can borrow and often pay only interest.

Repayment period: the second phase, when the balance amortizes and payments typically rise.

Lien position: your place in line for repayment; a line behind your mortgage is in second position.

PITIA: principal, interest, taxes, insurance, and association dues, the monthly payment a DSCR loan measures rent against.

Next Step

If you are considering a home equity line and want to see how the numbers work, Lendmire can help you compare HELOC options based on the property, the equity available, credit profile, combined leverage, and your goals. Lendmire is a mortgage broker, not a lender, and all figures are subject to lender guidelines and are not a commitment to lend.

About Lendmire

Lendmire, NMLS# 2371349, is a mortgage brokerage that arranges home equity lines of credit through wholesale lending partners in its 16 full-service states. Lines on primary residences, second homes and investment properties are each reviewed individually by the lender under the program’s occupancy, credit and combined-loan-to-value guidelines. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. CBS News

2. BiggerPockets: HELOC on investment property

3. The CFPB’s overview of home equity lines

4. CFPB: What you should know about home equity lines of credit