How Much Can You Borrow on a HELOC If Your Tax Returns Show a Business Loss?

The Quick Read: It depends on how the lender documents your income, because a business loss does not set the line size by itself. Two limits control the amount: an equity ceiling (home value times the maximum combined loan-to-value, minus your mortgage balance) and an income test that a loss can shrink or fail. The equity cap sets the maximum, and the income test decides whether you reach it.

• Equity formula: value × allowed CLTV − existing mortgage balance.
• On an investment property, the network ceiling is 70% CLTV with a 700 minimum credit score and a $500,000 maximum line.
• A paper loss from depreciation can often be added back. A real operating loss usually cannot.
• Deposit-based documentation can replace tax-return income on some files.
• Titling matters: LLC-owned property cannot take this kind of line, so a home already deeded to an LLC needs a vesting change first.

What Does a Business Loss Actually Do to a HELOC?

A loss does not shrink the line directly. It changes whether you qualify on income, and that can lower the approved amount or end the application.

The line itself comes from equity. NerdWallet’s HELOC explainer shows the method: multiply home value by the lender’s allowed percentage, then subtract the mortgage balance. Its example uses a $300,000 home, an 85% limit and a $200,000 mortgage, which leaves a $55,000 line. That 85% is a market-wide figure. It is not the network figure for investment property, which is covered below.

Income is the second gate. A lender that reads your return as printed starts from the net profit line on Schedule C, K-1 or Schedule E. A negative number there can be treated as zero income, as a negative that offsets other income, or as a monthly obligation in the debt-to-income calculation. Each lender sets its own policy, so two lenders can reach different answers on the same return.

Key Terms Defined

• Paper loss: a loss created mainly by non-cash deductions such as depreciation, while the business still takes in cash.
• Add-back: a non-cash deduction a lender restores to net profit when calculating qualifying income.
• Net profit line: the bottom-line figure on a business schedule, after all deductions.
• Expense factor: a flat percentage a lender subtracts from business deposits to estimate expenses.
• CLTV: combined loan-to-value, meaning all liens on the home divided by its value.

Paper Loss or Real Loss?

A paper loss often can be repaired on paper. A real operating loss usually cannot.

Depreciation, depletion and amortization are non-cash. Many underwriters restore them to net profit, so a rental investor who shows a tax loss from accelerated depreciation may still show positive qualifying income. Whether the lender does this depends on its policy. A real loss, where expenses exceeded cash revenue, reduces income directly. Add-backs will not rescue it.

This table describes common lender behavior in general terms. It is not a rule that applies to every file.

How Much Can You Borrow? The Two Caps

Your line is the lower of what the equity allows and what your income supports. The equity cap is mechanical. The income cap depends on documentation.

The equity cap. On this network, the ceiling depends on the property’s use. An investment-property line tops out at 70% CLTV, requires a credit score of at least 700, and carries a maximum line of $500,000. A primary residence reaches higher: up to 90% CLTV, but only at a 720 credit profile and a line up to $500,000. On a primary residence, 85% CLTV is available at 680 and above, and 70% CLTV at 640 and above, again up to $500,000. A line above $500,000, up to $750,000, is limited to primary residences. It requires a 700 credit profile (720 on the longer-runway structure), caps at 75% CLTV, and needs a full appraisal. Second homes reach 90% CLTV at 720 and above, with a $500,000 maximum line. All figures are subject to lender guidelines and full file review.

Because the CLTV counts your first mortgage, the existing balance eats directly into the line. A home at 70% CLTV with a first mortgage already near that level leaves little or nothing to borrow, regardless of income.

The income cap. Where a program tests debt-to-income, the usual maximum is 50%, and 45% for credit profiles from 600 to 679. Above 45% requires a 680 minimum. The test uses the interest-only payment on the maximum draw. A loss that counts as a liability raises your debt load, which is the numerator of the ratio. A loss that counts as zero income shrinks the denominator the test divides by, so the ratio rises or cannot be calculated at all.

An illustrative comparison. Picture two borrowers with the same equity and the same investment property. Both qualify under the 70% CLTV ceiling. One shows a depreciation-driven loss that the lender adds back. The other shows an operating loss that counts against income. The first can reach the equity cap. The second may be limited by the income test, pushed to deposit-based documentation, or declined. The loss never changed the formula. It changed which test governed.

Return-Based vs. Deposit-Based Documentation

Return-based underwriting reads the tax return. Deposit-based underwriting reads the bank account.

Bank-statement programs typically review 12 to 24 months of business deposits and apply an expense factor in place of the return’s net profit. Some programs let a profit-and-loss statement or an accountant’s expense letter replace the default factor. Deposits do not erase the loss from the file. The expense factor, credit, leverage and business questions still apply. The statements replace the tax-return proof, not the underwriting.

For a property investor, there is a third lane. A DSCR loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines, and does not depend on personal income. If your goal is cash from rental equity rather than a line secured by a home, the structure may fit a file that a loss has damaged. Lendmire’s complete DSCR loans guide explains how coverage works. A DSCR cash-out refinance has different leverage rules: most programs in the network top out around 75% LTV on standard rentals and want roughly six months of seasoning. That is a separate product with separate terms, not a version of the line.

Schedule C, K-1 and Rental Income Differ

The form your loss appears on changes how it is read.

A Schedule C loss flows straight to your personal income. A K-1 from a partnership or S corporation can show a loss that exceeds what you actually took out, so lenders often look at distributions, basis and the entity’s own return. Schedule E rental losses are frequently depreciation-driven, which is where add-backs do the most work. If you own properties through an entity, one more issue arises: LLCs, corporations, partnerships and irrevocable, blind or land trusts cannot hold title to a property that secures this kind of line. Title must be in your individual name or an inter vivos revocable living trust. A home already deeded to an LLC needs a vesting change first, or a DSCR cash-out instead.

One Loss Year, Two Loss Years, or a New Business

The number of loss years and the direction of the trend shape the lender’s view.

• One loss year after profitable years: many lenders will average or look at the two-year trend. A recovering business reads better than a shrinking one.
• Two loss years in a row: viability becomes the question. Expect a request for a profit-and-loss statement and an explanation. A deposit-based product may fit better.
• A business under about two years old: return-based income may be thin to begin with. Check what history the lender wants before applying.
• Mixed income: a loss in a side business alongside strong traditional employment income sometimes nets out, and sometimes counts as a liability, so ask the lender which treatment applies.

Credit also matters. The network’s lines run a single-bureau score keyed to the primary wage earner, with no rescores. The report must be no more than 90 days old at closing. The program floor is 600, though the floor rises by occupancy: second homes start at 640 and investment lines start at 700.

Why the Rules Differ Between Lenders

No federal formula tells a lender how to treat a loss on an equity line. The CFPB’s mortgage origination exam procedures state that the ability-to-repay rule does not apply to HELOCs. Underwriting is lender policy, which is why one lender’s decline can be another’s approval. A narrow exception exists: when a line is a simultaneous second lien on a new closed-end purchase or refinance, the lender must consider its periodic payment, per the CFPB’s Regulation Z §1026.43 page.

Draw-Period Risk When Revenue Is Falling

An interest-only draw looks cheap until it ends. Lines in this network run a 3-year interest-only draw with a 17-year amortizing repayment, or a 5-year draw with a 25-year repayment (Tennessee shortens both). Investment lines use the 5-year structure only. At least 75% of the line is drawn at closing, and pricing floats through both periods without converting to fixed. A borrower whose business income is declining should size the request for the repayment period, not the draw period. A smaller line that stays serviceable beats a larger one that becomes a strain when amortization starts.

Lenders may also freeze or reduce a line if the home’s value drops significantly, so the line should not be the only source of liquidity the business plan depends on.

How to Prepare a Loss-Year File

Preparation changes which path you land on.

1. Pull two years of returns and identify whether the loss is depreciation-driven or operating.

2. List every non-cash deduction so an underwriter can see the add-backs.

3. Prepare a current profit-and-loss statement and a short written explanation of the loss.

4. Keep business and personal accounts separate, and keep 12 to 24 months of statements clean.

5. Confirm title is in your name or a revocable trust, not an LLC.

6. Check the equity math first: value × allowed CLTV minus the mortgage balance.

7. Request a figure you can service during amortization, not just the draw.

If You Were Declined

Ask which test failed: equity, credit, debt-to-income, or income documentation. The answer determines the next move. An income decline may turn into an approval under deposit-based documentation. An equity decline cannot be solved with paperwork. A property held in an LLC needs a title change or a different product.

Lendmire’s piece on whether an investment property HELOC or a cash-out refinance fits a loss-year file compares those two routes.

Availability is narrower than the DSCR footprint. These lines are arranged in 16 full-service states only (AL, CA, CO, FL, GA, IN, MI, MT, NM, NC, OH, PA, TN, TX, VA, WA). Eligible properties include single-family homes, 2-4 units, PUDs, townhomes and condominiums, including non-warrantable condos. Manufactured homes, co-ops, condotels, log homes, commercial and mixed-use properties are not eligible.

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. Reach the team at 828-256-2183 or request a quote. Programs change, every file is underwritten individually, and nothing here is a commitment to lend.

For current guidelines and terms, see Lendmire’s home equity page.

About Lendmire

Lendmire is a mortgage brokerage (NMLS# 2371349) arranging home equity lines of credit — primary-residence, second-home and investment-property lines — through a wholesale lending network in its 16 full-service states. Eligibility is determined by the lender on each file. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. NerdWallet — HELOC explainer

2. CFPB — Mortgage Origination Exam Procedures

3. CFPB — Regulation Z §1026.43