Banks That Offer a HELOC to Pay for a New Deck

The Quick Read: A home equity line of credit (HELOC) can pay for a deck, and many retail banks and credit unions write them on a primary home, but the field narrows sharply on a rental, where fewer lenders participate and the rules are stricter. Lendmire is a mortgage broker, so it matches your property, equity, and credit profile to a wholesale lender whose program fits. Which institution suits you depends on occupancy, combined leverage, and how the property is titled.

• Occupancy sets the ceiling. Combined loan-to-value (CLTV) measures your first mortgage plus the new line against the home’s value. On a primary residence the network reaches 90% CLTV with a 720-or-better credit profile. On an investment property it stops at 70% CLTV.
• Most of the line is drawn at closing. At least 75% of the approved line is drawn on day one, which makes this a poor fit for pay-as-you-go spending.
• Title matters. The borrower must hold title personally or in a revocable living trust. A rental deeded to an LLC cannot take one of these lines.
• A DSCR cash-out refinance is the usual alternative when a rental does not fit a HELOC.

What a HELOC Actually Does When the Bill Is a Deck

A HELOC is revolving credit secured by your property. A lender approves a limit, and you borrow against it as needed. Nothing in the product restricts what the money buys, so a deck is a perfectly ordinary use.

Consumer-finance writers often point to a HELOC for projects completed in stages. Forbes Advisor notes that you draw gradually and pay interest only on what you have drawn. That description fits many bank lines.

It fits the wholesale lines Lendmire places less neatly, because most of the line is funded up front. After that, the line runs an interest-only draw period followed by a fully amortizing repayment period.

For a deck, that changes how you size the request. A deck has a contractor quote, a permit, and a fairly defined scope. You are better off sizing the line close to the real project cost than opening a large line and hoping to draw it down slowly.

Which Banks, Credit Unions, and Lenders Offer One?

No single list of banks answers this well, and any list would be out of date quickly. Availability shifts by state, product, and whether the home is lived in or rented. What you can map is the type of lender and what each one tends to do.

For an owner-occupied home, Forbes Advisor says HELOCs are available through traditional banks and credit unions. Big banks, regional banks, and credit unions all write these lines on primary homes. Online lenders do too.

Rentals are a different story. NerdWallet says a HELOC on an investment property is possible. It adds that not all lenders offer one, qualification is strict, and the lender pool is smaller.

Here is how a broker fits in. A single bank can only offer you its own HELOC. A broker shops several wholesale lenders and matches your scenario to the program that fits. The best program for your situation depends on occupancy, credit profile, how much equity you hold, and how the home is titled.

One limit to know up front: Lendmire’s HELOC placement runs in 16 full-service states. That is narrower than its 41-market DSCR footprint, which includes Washington, D.C.

Key Terms Defined

HELOC: A home equity line of credit, a revolving line secured by your property that you can draw on up to a set limit.

Draw period: The stretch when you can borrow against the line and payments are interest-only.

Repayment period: The stretch after the draw period when you pay down principal and interest until the balance is gone.

First lien and second lien: Lien position is the order in which lenders get repaid. A standalone line can sit in first position, or in second position behind an existing mortgage.

DTI: Debt-to-income ratio, your monthly debts divided by your monthly income.

DSCR: Debt service coverage ratio, a rental property’s income divided by its monthly mortgage obligation, which includes principal, interest, taxes, insurance, and any HOA dues (PITIA).

How Underwriting Treats a Deck HELOC, Step by Step

The review follows a predictable order. Each step can end the conversation, so it helps to know them in sequence.

1. Occupancy screen. The lender first asks whether the property is your primary home, a second home, or a rental. Many banks stop here on a rental. Answer this question truthfully. It sets the whole program.

2. Equity math. The CFPB’s HELOC booklet explains that lenders set the limit by taking a percentage of the home’s appraised value and subtracting what you owe on the existing mortgage. The booklet’s 75% figure is an illustration, not a program rule. On this network the percentage depends on occupancy and credit, as the table below shows. No lender lends against 100% of your equity.

3. Valuation. On lines at or below $500,000, the network ordinarily uses an automated valuation instead of a traditional appraisal. A higher CLTV may call for a second valuation. A full appraisal is required on every line above $500,000, and you can request one in any case. NerdWallet notes that an investment property may need multiple appraisals on the broader market.

4. Credit and DTI. The program uses a single-bureau score keyed to the primary wage earner. The report can be no more than 90 days old at closing. DTI tops out at 50%, with a lower 45% cap for scores from 600 to 679, so any ratio above 45% requires a 680 minimum score. The lender reviews your file on the interest-only payment calculated on the maximum draw, not the amount you plan to use.

5. Title and property check. The property must be eligible, and the vesting must be you personally or a revocable living trust.

6. Structure and draw. The lender assigns a draw and repayment structure, covered next, and at least 75% of the line funds at closing.

Draw Structures, Line Sizes, and Leverage by Occupancy

On primary residences and second homes, two draw structures exist. One has a 3-year interest-only draw followed by a 17-year repayment period. The other has a 5-year draw followed by a 25-year repayment period. Investment lines run the 5-year draw and 25-year repayment structure only.

The line floats across both periods and never converts to fixed. Interest-only payments therefore change, and the payment after the draw period ends is a step up. A standalone line can sit in first or second lien position.

Line sizes run from $25,000 to $750,000. A line above $500,000 is for primary residences only. It needs a 700-or-better credit profile (720 on the 5-year draw structure), caps at 75% CLTV, and requires a full appraisal. After closing, further draws carry a minimum, generally $1,000 where a program states one.

Read the table with care. The 90% tier on a primary residence applies to lines up to $500,000, and lower credit tiers step down from there. On a primary residence at 720 or better, a line up to $750,000 is available at 75% CLTV. An investment property never rises above 70% CLTV, and the credit floor is 700. Every figure is subject to lender guidelines and full file review, and none is a commitment to lend.

For example, NerdWallet says a typical investment-property HELOC requires at least 20% equity and carries a 10-year draw period. The network figure for an investment property is 70% CLTV, which means at least 30% equity, with a 5-year draw and 25-year repayment.

Where the General Rule Breaks

Rental versus primary home. This is the biggest split. The same borrower can have easy access to a line on the home they live in and little access on a rental. One investor on BiggerPockets described lenders that would not use the word HELOC for a rental but offered a similar line secured by the investment property. That is one investor’s report, not a rule, but it shows that product naming varies by lender.

LLC-owned rentals. Many investors hold rentals in an LLC, but an LLC cannot hold title on these lines. Corporations, partnerships, and irrevocable, blind, or land trusts are also barred from holding title. If the deck is going on a property already deeded to an LLC, you need a change in vesting or a different product. A DSCR cash-out refinance is one such product, subject to lender program eligibility, and it is not limited to LLC-owned rentals.

Thin equity. Equity is the whole premise of the product. A recent purchase with a large first mortgage may leave no room under the CLTV cap. On an investment property, the 70% ceiling leaves less room than most owners expect.

Property types. Single-family homes, 2-4 unit properties, PUDs, townhomes, and condominiums (including non-warrantable ones) are eligible. Manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, and agriculturally zoned properties are not offered. A 2-4 unit property needs a 640 minimum score on the 5-year draw structure. Modular factory-built homes are eligible on that structure only.

Credit history. A bankruptcy needs 4 years of seasoning from discharge or dismissal. Foreclosure history is where programs split. One program seasons a foreclosure for 7 years and a short sale for 4. The other declines the history regardless of age.

Exposure limits. A borrower is limited to three lines. A borrower owning more than 15 financed properties is not eligible. A property listed for sale, or listed within the past 60 days, is ineligible in several states.

The line is not permanent. The CFPB’s HELOC brochure says a lender can reduce the credit line if the home’s value falls. It also says you generally must pay the line off in full if you sell the home.

A Worked Example With Modeled Percentages

These are modeled assumptions, not market data. Say you own a primary residence with a 720-plus credit profile. Your first mortgage equals 65% of the home’s value. At the 90% CLTV tier, the line could reach up to 25% of the home’s value.

Now take the same math on a rental. Say your first mortgage equals 50% of value. At the 70% CLTV investment ceiling, the line could reach up to 20% of value, and only for a 700-plus profile.

Notice the order of constraints. The CLTV cap sets the maximum line first. Your DTI is then tested against the interest-only payment on the full line, not the deck budget. A modest deck on a home with strong equity clears easily. A deck on a heavily mortgaged rental may not.

A deck may support a higher appraised value, depending on comps and underwriter review. Do not count on it to create equity for the line itself, because the valuation happens before the work.

When a HELOC Is the Wrong Tool

Sometimes the answer is a different product. A HELOC keeps your first mortgage and adds a second lien. A cash-out refinance replaces the first mortgage. A home equity loan is a lump sum rather than a revolving line, and a personal loan uses no property as collateral.

A DSCR cash-out refinance qualifies primarily on property-level rental income covering the payment, subject to lender guidelines. It tops out around 75% LTV on standard rentals across most of the network, and about 6 months of seasoning is the common expectation. Coverage of 1.00 is where select programs start. A separate select-lender path goes below 1.00, with leverage and terms adjusted.

Clearing 1.00 does not mean the rental produces positive cash flow. The ratio compares rent to PITIA only. Repairs, vacancy, management, utilities, and capital spending sit outside it. Lendmire’s complete DSCR loans guide covers how coverage is calculated and which loan sizes and credit tiers apply.

If you already carry an investment-property line and want to restructure it, Lendmire’s piece Banks That Offer an Investment Property HELOC for Refinancing a Balance Into a New HELOC covers that path.

What to Ask Before You Apply

A short list keeps the conversation useful, whether you are talking to your own bank or a broker.

• Does this lender write lines on the occupancy type I have, whether primary, second home, or rental?
• What is the maximum CLTV at my credit score, and how does my first mortgage fit under it?
• How much of the line must I draw at closing?
• How long is the draw period, and what is the repayment period afterward?
• Does the payment float, and does it ever convert to fixed?
• Is a valuation automated or a full appraisal, and who orders it?
• Can the property be titled the way I hold it today?
• What fees come with the line, and what happens if I sell?

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 reach the team at 828-256-2183 or request a quote. A deck is a small project, but the equity and title questions behind it decide which loan fits.

About Lendmire

As a mortgage broker (NMLS# 2371349), Lendmire helps homeowners and real estate investors in its 16 full-service states open home equity lines of credit arranged through wholesale lenders. Lendmire is never the lender; line amounts, ceilings and terms are set by the lender under its guidelines. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. Forbes Advisor, deck financing

2. NerdWallet, HELOC on investment property

3. CFPB HELOC booklet

4. BiggerPockets, HELOC for investment property

5. CFPB HELOC brochure