HELOC Options to Fund Large Renovations

The Quick Read: A home equity line of credit (HELOC) can fund a large renovation when the property securing it is eligible, the line is big enough for the full scope, and you can carry the interest-only payment from day one. Across the wholesale network Lendmire places files with, at least 75% of the line is drawn at closing. Whether a HELOC fits depends mostly on which property secures it, how it is titled, and how much equity sits above your first mortgage.

• Investment property lines are tighter. They run up to 70% combined loan-to-value (CLTV) and a $500,000 line, with a 700 minimum credit score.
• Primary-residence lines reach further. They can hit 90% CLTV, but only at a 720-or-better credit profile.
• Title matters. The property must sit in your own name or a revocable living trust. LLC-held rentals cannot take the line.
• Payments float. Interest-only draws are followed by a principal-and-interest repayment period, and pricing never converts to fixed.
• A DSCR cash-out refinance is the usual fallback when the budget outgrows the line or the deed sits in an LLC.

Key Terms Defined

HELOC: a revolving credit line secured by property, with a set limit you can draw against.

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

Lien: a lender’s legal claim on the property. A first lien gets paid first, and a second lien gets paid after it.

Draw period: the stretch when you can borrow from the line and typically pay interest only.

Repayment period: the stretch after the draw period when you pay principal and interest, and new borrowing stops.

DTI (debt-to-income): your monthly debts divided by your monthly income.

DSCR (debt service coverage ratio): a property’s rent divided by its full monthly payment, known as PITIA (principal, interest, taxes, insurance, and HOA dues where they apply).

Vesting: how title to the property is held, such as an individual, a trust, or an LLC.

What a HELOC Actually Does for a Renovation

A HELOC lets you borrow against equity in stages instead of taking one lump sum. You get a credit limit, draw what the project needs, and pay interest on what you have drawn. That is the textbook version. The CFPB’s HELOC booklet describes the line as revolving credit with your property as collateral, with the limit set as a percentage of value minus what you already owe.

On a large renovation, the staged-draw idea is the appeal. Contractors bill in milestones, and a line can match that rhythm. Fixed budgets with one big invoice sit better in a lump-sum product.

Here is the catch. The wholesale programs behind these lines require at least 75% of the line to be drawn at closing. The “pay interest only on what you use” benefit shrinks fast. You start paying interest on most of the line before the first contractor draw clears. After closing, additional draws carry a $1,000 minimum.

Think of it as a loan with a small revolving tail, not a flexible checking account for your project.

Which Property Secures the Line?

The property securing the line sets almost every limit. You have three collateral options, plus one alternative that is not a HELOC at all.

Primary-residence lines can go as high as $750,000. Anything above $500,000 is primary-residence only, requires a 700-or-better credit profile (720 on the longer-runway program, covered below), caps at 75% CLTV, and requires a full appraisal.

Using a primary-residence line for rental work means your own home backs the renovation debt. That is a real risk if the rental stumbles. Investment-property lines keep the risk at the rental, but with lower leverage.

Programs differ on exact figures, and every figure here is subject to lender guidelines and full file review. The 16-state footprint also matters. These equity lines are available only in the 16 states where Lendmire offers full-service mortgage lending, which is narrower than its 41-market DSCR footprint.

How Underwriting Treats the Request, Step by Step

Underwriting a renovation HELOC follows a predictable path.

1. Eligibility screen. The lender checks the property type, vesting, and occupancy. Single-family homes, 2-4 unit properties, PUDs, townhomes, and condos (including non-warrantable condos) qualify. Manufactured homes, co-ops, condotels, log homes, and commercial, mixed-use, or agricultural-zoned properties are not offered.

2. Credit check. The program floor is 600, but the investment property floor is 700. The score model is single-bureau and keyed to the primary wage earner. The report must be no more than 90 days old at closing, with no rescores.

3. Income and DTI. A HELOC is reviewed around personal income. Maximum DTI is 50%, or 45% for credit profiles from 600 to 679. A ratio above 45% requires at least a 680 score. The lender reviews your file on the interest-only payment calculated on the maximum draw, not on what you plan to use.

4. Equity test. The lender subtracts your first mortgage from the CLTV ceiling to see how much line is left.

5. Valuation. Lines at or below $500,000 ordinarily run an automated valuation instead of a traditional appraisal. Lines above $500,000 require a full appraisal, and you can request a full appraisal in any case.

6. Disclosure and closing. Lenders must hand you the government’s HELOC brochure at application, per the CFPB’s compliance resources.

Step 5 is where renovations get tricky. An automated valuation looks at the property as it exists in public data, not at the finished rehab you are planning. A higher CLTV may trigger a secondary valuation. If you want the lender to see the post-work value, ask for the full appraisal. Any improvement may support a higher appraised value, depending on comps and underwriter review. Never plan around a fixed lift.

Draw Structures and What Happens at Repayment

Two draw structures exist on primary residences and second homes. One runs a 3-year interest-only draw followed by a 17-year repayment. The other runs a 5-year draw followed by a 25-year repayment. Investment lines run the 5-year draw and 25-year repayment structure only.

Pricing floats across both the draw and repayment periods and never converts to fixed. That means your payment can change even when your balance does not.

The bigger shock is the switch at the end of the draw period. First Alliance Credit Union’s explanation of draw and repayment shows how the payment shifts when interest-only ends and principal begins. On a fully drawn line, the jump can be large. The line also closes to new borrowing at that point.

Underwrite your own plan for that jump. If the renovated property is not stabilized and renting by the time repayment starts, the new payment lands on your pocket instead of the tenant’s.

Where the General Rule Breaks

A few named edge cases change the answer.

LLC-held rentals. Title must be held by an individual or a revocable living trust. LLCs, corporations, partnerships, and irrevocable, blind, or land trusts cannot hold title on these lines. This is the sharpest structural difference from a DSCR loan. If the deed already sits in an LLC, you need a vesting change or a DSCR cash-out instead.

Vacant or between-tenant units. Occupancy and lease rules vary by lender. One BiggerPockets discussion describes an investor turned down on a roof repair because the unit had no tenant yet. Confirm early whether a vacant rental is eligible.

Gut rehabs. HELOCs and DSCR loans both assume an existing, rentable asset. An empty, unleased shell has no rent to test and often needs a different product, such as a bridge loan, with a refinance as the exit.

Big scopes. Investment lines top out at $500,000. If the scope plus a safety cushion exceeds that, the line cannot cover it.

Exposure limits. A borrower is limited to three lines. Combined exposure caps at $2,000,000 on the higher-leverage program and $750,000 on the longer-runway program. A borrower owning more than 15 financed properties is not eligible.

Listed properties. In certain states, a property listed for sale, or listed within the past 60 days, is ineligible.

History flags. A bankruptcy needs 4 years of seasoning from discharge or dismissal. Foreclosure history splits by program: one seasons a foreclosure in 7 years and a deed-in-lieu, pre-foreclosure, or short sale in 4, while the other declines the history regardless of age.

Stress-Testing a Large Renovation Before You Borrow

This is where most renovation budgets fail, not in the loan approval. Run these checks before you sign.

• Size a contingency. Budget a cushion for change orders, because a large scope almost always moves. Make sure the line still covers the scope with the cushion included.
• Match draws to milestones. Because most of the line is drawn at closing, park the funds and release them to the contractor by milestone, not by deposit size.
• Model the payment twice. Run your cash needs on the interest-only payment during the work and on the principal-and-interest payment after.
• Plan for floating pricing. A variable line can cost more at the worst moment. The CFPB booklet also notes that lenders can freeze or reduce a line if property value drops.
• Test the exit. The common investor sequence is to draw on the line to pay contractors, then refinance into long-term debt on the post-renovation value. A BiggerPockets thread on financing a renovation describes that path and notes that personal DTI is the usual wall for investors holding several mortgages. Your exit has to qualify on its own.

One more point. DSCR is a rent-to-PITIA test only. A property that clears 1.00 is not necessarily producing positive cash flow, because repairs, vacancy, management, utilities, and capital expenses sit outside the calculation. After a renovation, the new line payment is part of the picture, so recalculate coverage with everything included.

A Worked Example With Percentages

Say you own a duplex in your own name with a first mortgage. The scope is a full unit-by-unit rehab. This is a modeled scenario, not a market statistic.

The line is on the investment property, so the CLTV ceiling is 70%. That ceiling counts your first mortgage. Suppose the first mortgage already uses about 55% of current value. That leaves about 15 percentage points of value as the maximum line, subject to the $500,000 cap.

Then the lender reviews your file on the interest-only payment calculated on the maximum draw, plus your personal DTI. If rent today covers the full monthly obligation with room to spare, the second payment may still pull coverage toward 1.0x or lower. A coverage ratio near 1.2x before the work could look much thinner once the new line payment is counted.

Now compare that with a refinance. A DSCR cash-out refinance replaces the first mortgage and tops out around 75% LTV on standard rentals, with about 6 months of seasoning commonly expected. In short, a HELOC protects a low-cost first mortgage, and a cash-out can raise the total available if it fits the numbers.

If the renovated unit will rent well, the cash-out path qualifies primarily on property-level rental income covering the payment, subject to lender guidelines. DSCR floors start at 1.00 on many select programs. A separate select-lender path takes coverage below 1.00, with leverage and terms adjusted. Credit minimums typically run around 660 on most programs, with 700 or higher unlocking the strongest leverage tiers. The complete DSCR loans guide lays out those tiers in full.

When a HELOC Is the Wrong Tool

Skip the HELOC when any of these is true:

• The property sits in an LLC and you do not want to move title.
• The renovation budget plus cushion exceeds $500,000 on an investment property.
• The unit is vacant and the lender will not write a line without a tenant.
• You need one lump sum on day one. A single big invoice fits a refinance better than a revolving line.
• You cannot comfortably carry the payment during the work with no rent from the units under construction.

In those cases the options are a DSCR cash-out refinance, a bridge loan with a planned refinance, or paying cash for part of the scope. Which wins depends on the existing first mortgage, the title, and how soon the units rent.

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. You can also request a quote at Lendmire’s quote page or call 828-256-2183.

About Lendmire

Lendmire (NMLS# 2371349) is a mortgage brokerage serving homeowners and real estate investors in its 16 full-service states. Home equity lines of credit are arranged through wholesale lending channels; Lendmire brokers the line and the lender underwrites each application under its occupancy-based guidelines. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. CFPB, “What You Should Know About Home Equity Lines of Credit” booklet

2. CFPB, compliance resources

3. First Alliance Credit Union, HELOC draw and repayment periods

4. BiggerPockets, HELOC on investment property

5. BiggerPockets, financing a renovation