Best Bank Statement HELOC Program to Build a New Deck

The Quick Read: The right program for a deck depends on who owns the home, how it is occupied, your credit profile, and how much combined leverage you need, because the lender underwrites your documented income and your equity rather than the deck itself. A bank statement line suits self-employed owners whose tax returns understate their real cash flow. The deck is only a use of proceeds. Every figure below is subject to lender guidelines, and none of it is a commitment to lend.

• On a primary residence or second home, lines reach 90% combined loan-to-value (CLTV) only at a 720-or-better credit profile, and only up to $500,000. On an investment property, the ceiling is 70% CLTV.
• Income comes from your deposits after transfers and loan proceeds are removed and an expense factor is applied. Debt-to-income is then the main test, with a 50% maximum.
• At least 75% of the line is drawn at closing, so the line should match the deck budget rather than your full equity.
• A home titled in an LLC cannot take this line. Title must sit with you or your revocable living trust.

What Does a Bank Statement HELOC Do for a Deck Project?

It lets a self-employed homeowner borrow against equity using deposit history instead of tax-return income. The deck changes nothing about underwriting. The lender looks at your income, your credit, the home’s value, and the loans already against it.

A home equity line of credit (HELOC) is a revolving credit line secured by your home. You draw against it as needed, then repay. “Bank statement” is not a regulated category. It is a documentation lane that individual lenders define, and the details differ from program to program.

The lane exists because write-offs shrink taxable income. A contractor, practice owner, or consultant can deposit far more each month than a tax return shows. A bank statement program measures the deposits. It is reviewed around documented income under the applicable program, subject to lender guidelines.

It is still a full review. The lender checks credit, CLTV, debt-to-income, title, and the property. Lendmire is a mortgage broker, not a lender. It places files with wholesale lenders and matches your scenario to the program that fits.

Key Terms Defined

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

Draw period: The stretch when you can borrow from the line and pay interest only on what you have drawn.

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

Expense factor: A percentage the underwriter subtracts from business deposits to estimate what you actually keep.

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

Vesting: The way title is held, such as in your own name, a revocable living trust, or an LLC.

How Does Underwriting Treat Your Bank Statements?

The underwriter turns deposits into a monthly income figure in five steps. Each one can shrink the number, so it pays to know them before you apply.

1. Pick the statement set. Personal or business statements are used, depending on the program and how you are paid. The number of months varies by program.

2. Strip out what is not income. Transfers between your own accounts and loan proceeds come out. A savings sweep or a refinance deposit does not count.

3. Apply an expense factor. On business accounts, a percentage comes off to reflect costs. A heavier factor means lower qualifying income. This is often the biggest lever on how large a line you can get.

4. Run DTI. Your monthly debts go over your qualifying income. On this network the maximum is 50%, and it drops to 45% for credit profiles from 600 to 679. A ratio above 45% requires at least a 680 score. The test uses the interest-only payment on the maximum draw, not on what you plan to use.

5. Check equity and credit. The lender adds your first mortgage to the new line and divides by the home’s value. Credit is scored on a single-bureau model keyed to the primary wage earner. The report can be no more than 90 days old at closing.

Mixed accounts cause trouble. If personal spending and business deposits share one account, the underwriter has to sort them out, and unclear deposits usually get excluded. Separate accounts make for a cleaner file.

What Does “Best” Mean for a Deck?

The best program for your situation is the one whose occupancy rules, credit tiers, and draw structure fit your home and your budget. Rate is not the first filter. A broker shops many wholesale lenders, so the first question is which programs your file is even eligible for.

The ceilings depend on occupancy, and the gap between them is large.

The 90% figure exists only at 720 or better, and only for lines up to $500,000 on a primary residence or second home. Credit tiers step down from there. On a primary residence, 700-plus credit reaches 85% CLTV up to $500,000, and 660-plus also reaches 85%. A 640 profile reaches 80%. A 620 profile drops to 70% up to $400,000, and a 600 profile to 60%.

These lines run in first or second lien position. Primary and second-home lines come in two draw structures. One has a three-year interest-only draw and a 17-year repayment. The other has a five-year draw and a 25-year repayment. Investment lines use the five-year structure only. Pricing floats during both periods and never converts to fixed, so payments can change after closing.

How Should You Size the Line to the Deck?

Size the line to the deck bid plus a contingency, not to the maximum your equity allows. At least 75% of the line is drawn at closing. A line far larger than the project leaves you paying interest on money you did not need.

The CFPB notes that lenders may charge fees and may require a minimum draw or minimum balance. On this network, lines run from $25,000 to $750,000. After closing, later draws carry a $1,000 minimum on the longer-runway program, meaning the one with the five-year draw and 25-year repayment. Draws in the middle of a build are possible but not free-form.

Oversizing also hurts your qualifying ratio. Because DTI is measured on the interest-only payment at the maximum draw, a bigger line raises the debt side of the test even if you never spend it.

Here is a percentage-only example. Say your first mortgage equals 70% of the home’s value and your credit profile is 720 or better on a primary residence. The 90% ceiling leaves room for a line of up to 20% of value, assuming your income and DTI clear and the line stays at or below $500,000. At 700 credit, the 85% tier leaves 15% of value. The home needs enough value for that room to cover at least the $25,000 minimum line. A modest deck on a lower-value home can fall short.

Valuation is usually light. Lines at or below $500,000 ordinarily run an automated valuation with no traditional appraisal, though a higher CLTV may call for a secondary valuation. You may request a full appraisal in any case. Every line above $500,000 requires one. The valuation reflects the home as it stands, so the unbuilt deck adds nothing at application. Once built, a deck may support a higher appraised value, depending on comps and underwriter review.

Where Does the General Rule Break?

The general rule is a primary home, personal title, and good credit. These edge cases bend it, and some end the search.

Deck on a rental. Most lenders do not write equity lines on non-owner-occupied property. NerdWallet says investment-property HELOCs are harder to get because lenders see higher default risk. On this network, investment lines exist but cap at 70% CLTV, require at least a 700 credit profile, and top out at $500,000. They run the five-year draw structure only.

Borrowing on your own home to build on a rental. Some owners put the line on their primary residence and spend the money on a rental. That puts the home behind the rental’s performance, which is a real risk if the rental underperforms. The CFPB’s HELOC booklet also notes that renting out your home may be prohibited under the line’s terms. It adds that you generally must pay the line off in full if you sell.

LLC title. LLCs, corporations, partnerships, and irrevocable, blind, or land trusts cannot hold title on these lines. A property already deeded to an LLC needs a vesting change first, or a different product. This is the sharpest structural difference from a DSCR loan.

Property type. Single-family homes, 2-4 units, PUDs, townhomes, and condominiums are eligible, including non-warrantable condos. Modular homes are eligible on the longer-runway program only. Manufactured homes, co-ops, condotels, log homes, and commercial, mixed-use, or agricultural-zoned properties are not offered. Multi-unit properties need a 640 minimum on that same longer-runway program.

Large lines. A line above $500,000 is primary-residence only and caps at 75% CLTV. It needs a credit profile of 700 or better (720 on the longer-runway program) and a full appraisal.

Credit history. A bankruptcy needs four years of seasoning from discharge or dismissal. Foreclosure history splits by program on primary homes and second homes. One program seasons a foreclosure at seven years and a deed-in-lieu or short sale at four. The other declines that history regardless of age. Investment files follow the seven-and-four-year path.

Exposure. A borrower is limited to three lines. Combined exposure caps at $2,000,000 on one program and $750,000 on the longer-runway program. Owning more than 15 financed properties makes you ineligible.

HELOC, DSCR Cash-Out, or Cash?

For a deck on your own home, a bank statement HELOC is usually the natural fit. For a deck on a rental, a cash-out on the rental itself often works better. The options differ in what they test.

A bank statement HELOC does not count the property’s rent the way a DSCR loan does. It is a borrower-income test. DSCR (debt service coverage ratio) compares rent to the full monthly payment. A DSCR cash-out refinance qualifies primarily on property-level rental income covering the payment, subject to lender guidelines. It generally tops out around 75% LTV on standard rentals, with about six months of seasoning as the common expectation. LLC title is possible subject to lender program eligibility.

The tradeoff is the first mortgage. A HELOC leaves your existing first loan in place, which helps if you want to keep it. A cash-out replaces it. The complete DSCR loans guide covers the rental-side path.

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.

What Should You Prepare Before Applying?

A clean file speeds up your own thinking more than anything else. Start with these:

• Personal and business statements for the period the program asks for, with each large deposit explained.
• A year-to-date profit and loss statement, if the program asks for one.
• Your current mortgage statement, so the lender can compute CLTV.
• Proof of title in your name or revocable trust, plus homeowners insurance.
• A written contractor bid with a contingency line.

Build a simple monthly deposit summary. List each deposit, mark transfers and loan proceeds, and see what is left. If that number looks thin, a different documentation lane or a smaller line may fit better.

About Lendmire

Lendmire (NMLS# 2371349) is a mortgage broker that arranges DSCR investor loans in 41 markets, including Washington, D.C. Its equity-line programs are available in the 16 states where Lendmire offers full-service mortgage lending, which is narrower than the DSCR footprint. Lendmire places files with select wholesale lenders and is never the lender. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

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.

Investors who want the broader program framework can review how DSCR loans work.

References

1. CFPB

2. NerdWallet – HELOC on investment property

3. CFPB HELOC booklet