How an Investment Property HELOC Works on Your Primary Rental to Buy a Rental Package

The Quick Read: A home equity line of credit (HELOC) secured by a rental you already own lets you draw cash against that property’s equity and use it to buy more rentals without a financing contingency. It is a bridge, so a longer-term loan must repay it. Qualification rests on you and the collateral, not on the new property’s rent.

• On our wholesale network, an investment-property line tops out at 70% combined loan-to-value (CLTV) and a $500,000 line, with a 700 minimum credit score.
• The line is borrower-underwritten. The follow-on DSCR loan is property-underwritten, so you clear two separate tests.
• At least 75% of the line is drawn at closing, so plan the purchase before you open it.
• The exit loan has to be large enough to pay the line off, so run that math before you open the line.
• Availability is limited to 16 full-service states, which is narrower than the DSCR footprint.

Why Would You Use a Line on a Rental to Buy a Package?

A line on a rental you own gives you cash you control. You can write an offer with no loan contingency, buy several properties in one sweep, and refinance them afterward. The tradeoff is that your existing rental becomes collateral, and the line must be repaid.

A “package” simply means several rentals bought together, such as a few doors from one seller. A line on your existing rental is one way to fund that kind of purchase in cash.

Investors use two collateral structures. The first is a line on your own home. The second is a line on a rental you already hold, which is the subject here. Lines on rentals are scarcer. A BiggerPockets Rookie podcast transcript describes banks that offer them as hard to find, and the host’s own credit union lent only on primary residences. NerdWallet explains why: lenders view investment-property lines as higher default risk, since borrowers tend to pay their own home first.

How an Investment Property HELOC Works Step by Step

The mechanics run in a fixed order. Each step has a place where a file can stall, so it helps to know them all before you start.

1. Measure available equity. Maximum line equals property value times the CLTV cap, minus your existing mortgage balance. CLTV means the first mortgage plus the new line, divided by value.

2. Confirm the collateral qualifies. The line sits in first or second lien position. The property must be single-family, a 2-4 unit, a PUD, a townhome, or a condo (including non-warrantable condos). It must be held in your personal name or a revocable living trust.

3. Get underwritten. The lender reviews your credit, debt-to-income ratio (DTI), and the collateral. It does not review the properties you plan to buy.

4. Value the property. Because an investment line caps at $500,000, it commonly runs on an automated valuation with no traditional appraisal. You can still request a full appraisal.

5. Close and draw. At least 75% of the line is drawn at closing. You then draw the remainder in $1,000 minimums, subject to lender guidelines.

6. Buy the package. The money lands in your own account. You make offers as a cash buyer, whether for one property or several.

7. Exit. You refinance the acquired properties into a long-term loan and use the proceeds to pay the line down.

Here is the equity math in percentages. Say your first mortgage sits at 45% of the rental’s value. A 70% CLTV cap leaves room for a line of up to 25% of value. The $500,000 line limit then applies on top of that.

Two details on the network matter for a package plan. The investment line has a 5-year draw period, where you pay interest only, followed by a 25-year repayment period that fully amortizes. Pricing floats across both periods and never converts to fixed.

Primary-Home Line or Rental-Secured Line?

The collateral you choose decides what you risk and how much leverage you get. A line on your own home usually reaches higher leverage. A line on a rental keeps your home out of the deal but puts that rental on the table.

Market surveys report that lenders often cap investment-property lines at 80% loan-to-value, per Experian. That is a market-wide statistic. On our network, an investment line caps at 70% CLTV, and credit above 700 buys eligibility rather than extra leverage.

The primary-home figures in the table split by line size. A line above $500,000 is only available on a primary residence, and on that larger line the cap is 75% CLTV rather than 90%. It requires a credit profile of 700 or better (720 on the longer-runway structure) and a full appraisal.

What Does the Underwriting Actually Check?

The lender treats this as a loan to you, secured by the rental. That surprises investors who expect rental income to carry the file.

Your credit 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. DTI maxes out at 50%, and a ratio above 45% requires a 680 minimum score. The lender calculates the payment on the interest-only amount for the maximum draw. That means DTI is measured against a full draw, not just what you borrow on day one.

History matters too. A bankruptcy needs 4 years of seasoning from discharge or dismissal. Investment files follow a 7-year path after foreclosure and 4 years after a deed-in-lieu, pre-foreclosure, or short sale. Seasoning means the waiting period a lender requires after a credit event.

Exposure limits apply across your whole portfolio. A borrower is limited to three lines, with combined exposure capped at $2,000,000 on the higher-leverage structure and $750,000 on the longer-runway structure. A borrower owning more than 15 financed properties is not eligible.

All of this is subject to lender guidelines and full file review. Programs change, and every file is underwritten individually.

Where Does the Exit Loan Fit?

The exit loan is what makes the strategy work or fail. The line is short-term money in practice, even with a 5-year draw period. A longer-term loan has to repay it.

Most package buyers exit with a DSCR loan, which qualifies primarily on property-level rental income covering the payment, subject to lender guidelines. DSCR means debt service coverage ratio: monthly rent divided by the full monthly payment (principal, interest, taxes, insurance, and any association dues). Across our network, 1.00 is where select programs start. Stronger coverage opens better pricing and leverage. A separate select-lender path takes coverage below 1.00 with leverage and terms adjusted.

Clearing 1.00 does not mean positive cash flow. Repairs, vacancy, management, utilities, and capital expenses all sit outside the calculation. You still need to budget for them.

Now the sizing problem. Say you buy the package with a line-funded down payment and a DSCR purchase loan. Purchase leverage typically lands at 75% to 80% LTV, or 20% to 25% down. A later cash-out refinance on a standard rental typically tops out around 75% LTV, with about 6 months of seasoning as the common expectation. At the same property value, that refinance gives back almost nothing. The cash the line supplied only comes back if the property has gained value, or if you renovated and an appraiser supports a higher value.

The cleaner sequence is the cash offer. You buy the package outright with line proceeds, season it, then run a DSCR cash-out refinance on each property. The cash-out loan repays the line. Even then, the refinance must be large enough to retire the whole balance.

The takeaway is simple. Call the take-out lender before you buy, and size the plan backward from the payoff.

Key Terms Defined

CLTV (combined loan-to-value): Your first mortgage balance plus the new line, divided by the property’s value.

Draw period: The stretch when you can borrow from the line and pay interest only. On an investment line here, it lasts 5 years.

Repayment period: The stretch after the draw ends, when you can no longer borrow and the balance amortizes. On an investment line here, it lasts 25 years.

Second lien: A loan that sits behind the first mortgage in repayment priority. A line can also be in first position if no mortgage exists.

Seasoning: The waiting period a lender wants before a refinance, or after a credit event.

PITIA: Principal, interest, taxes, insurance, and association dues. It is the monthly obligation DSCR compares to rent.

Automated valuation: A computer-generated property value used in place of a full appraisal.

Where the General Rule Breaks

The step-by-step flow assumes a clean file. These edge cases are where it gets bent.

The rental sits inside an LLC. On our network, LLCs, corporations, partnerships, and irrevocable, blind, or land trusts cannot hold title to the collateral. A rental already deeded to an LLC needs a vesting change, or a DSCR cash-out refinance instead, subject to program terms. Lenders differ, so confirm before you apply.

The property is listed for sale. A property listed for sale, or listed within the past 60 days, is ineligible in Indiana, North Carolina, Pennsylvania, Tennessee, Texas, and Washington.

The property type is off the menu. Manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, and agricultural-zoned properties are not eligible.

The line is not a standby facility. Since at least 75% of the line is drawn at closing, you carry interest on most of it from day one. Pricing floats, so the carrying cost can move while you wait for the exit.

The draw period ends before the exit. Per the CFPB, payments can rise sharply when repayment begins, and in some cases the whole balance can come due. On the investment structure here, the 5-year draw gives room, but the clock still runs.

Your leverage approaches the full price. If the line funds the down payment and a purchase loan covers the rest, you are financing close to the entire price. Stress-test the payments on both loans together.

The new property’s rent does not help you qualify for the line. The rent only matters to the DSCR loan.

Default hits the rental. Missed payments on the line put the rental you pledged at risk. If you are unsure of the exit, consider other tools.

Which Documents and States Come Into Play?

Expect to document your identity, income, credit, and the collateral property. A purchase lender will separately want to trace where your down payment came from. Lines of borrowed funds draw extra review, and the new loan keeps its own reserve rules. Reserves on a DSCR purchase vary by lender, leverage, and loan size. They commonly run around 6 months of PITIA. Conservative files at modest leverage under $1,500,000 can see reserves waived. Larger loans typically step up to about 9 months.

Your credit also shapes the DSCR side. A 620 floor exists in parts of the network, most programs want around 660, and 700+ unlocks the strongest leverage tiers. Loan sizes reach up to $3,000,000 on standard programs, with smaller balances available through select lenders. Select high-leverage purchase programs reach 85% LTV with roughly a 700+ score.

The HELOC itself is available only in Alabama, California, Colorado, Florida, Georgia, Indiana, Michigan, Montana, New Mexico, North Carolina, Ohio, Pennsylvania, Tennessee, Texas, Virginia, and Washington. Texas has an extra rule: an investment property there is treated as a non-homestead transaction, with a 10-acre property limit. New Mexico and Ohio cap CLTV based on the credit profile. Line minimums differ in Michigan and Texas as well.

A Stress Test Before You Open the Line

Run this checklist before applying. It takes an hour and can save you from a bad structure.

• Equity: Does 70% of value minus the first mortgage leave enough line to matter?
• Line cap: Does the $500,000 maximum cover the down payments you need across the whole package?
• Combined payments: Can the portfolio carry the line’s interest-only payment plus every new loan payment, with vacancy and repairs on top?
• Exit sizing: Will the take-out loan cover the full line balance at 75% LTV, or does it depend on appreciation?
• Title: Is the collateral in your personal name or a revocable living trust?
• Coverage: Does each new property clear the rent-to-payment test your DSCR lender requires?
• Other options: Would a home equity line versus a cash-out refinance fit the plan better? These specifics are subject to lender guidelines and a full review of property, leverage, and credit.

If you want the full picture of how these loans fit together, the complete DSCR loans guide walks through the product from start to finish.

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 broker that arranges financing through select lenders in its wholesale network.

About Lendmire

Lendmire (NMLS# 2371349) is a mortgage broker. Home equity lines of credit — on a primary residence, a second home or an investment property — are arranged through wholesale lenders in Lendmire’s 16 full-service states, and every line is underwritten by the lender under its program guidelines. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. BiggerPockets Rookie podcast – Using home equity to buy rentals

2. NerdWallet

3. Experian

4. CFPB