The Quick Read: It depends on whether you have drawn on the line and which asset-based path you use. A drawn balance usually reduces the assets a lender can count, while an undrawn line is mostly a documentation question that varies by lender.
- Asset qualifier path: the pledged account must still cover the loan after the lender nets out any balance, and borrowed funds are not published as eligible.
- Asset depletion path: a drawn balance shrinks the pool that is divided by 60 months into qualifying income.
- Undrawn line: often no deduction, but expect questions and paperwork.
- Market drop: a collateral call during the application can shrink the verified balance.
- Best move: get lender confirmation before you draw, not after.
Here is how the pieces fit together. The short version for a retiree or a portfolio-heavy household: the line itself is rarely the problem. The draw is.
What Is a Securities-Backed Line of Credit, in Plain Words?
A securities-backed line of credit (SBLOC) is a revolving loan secured by the investments in your brokerage account. FINRA explains that payments are typically interest-only, and that a drop in collateral value can trigger a maintenance call. You must then add collateral or repay within a short window. If you cannot, the firm can sell your securities.
Two more facts matter for a mortgage file. Schwab notes that pledged assets sit in a separate account that the lender monitors and restricts, and that retirement accounts cannot be pledged. So an SBLOC does two things at once. It creates a debt, and it puts a lien on part of the very assets a mortgage lender wants to count.
Two Paths, Two Different Answers
An asset-based mortgage is not one product. Across the wholesale network Lendmire works with, there are two paths, and a borrower is reviewed on one at a time.
- Asset qualifier path: eligible assets must equal or exceed the entire loan. No employment or income is documented.
- Asset depletion path: eligible assets are converted into monthly qualifying income, which then carries the housing payment and other debts through the debt-to-income test.
Both programs are consumer mortgages for principal residences and second homes, subject to underwriting. Investment property is available only on the depletion path. (Rent-qualified investor loans are a different product, covered in Lendmire’s complete DSCR loans guide.) Keep the paths separate in your head. The same SBLOC can be nearly harmless on one path and costly on the other.
How Does an SBLOC Affect the Asset Depletion Path?
It can hurt directly. On this path, the lender takes your eligible assets, applies haircuts, and divides by 60 months. Securities count at 80%, cash and CDs at 100%, retirement accounts at 70%, and real-estate equity at 60%, subject to underwriting.
A drawn balance reduces the account it is secured against. Underwriters generally look at equity, not gross value. Say a portfolio holds a large securities position and the borrower has drawn a meaningful balance against it. The lender nets the balance first, then applies the 80% credit to what remains. A smaller pool means a smaller monthly income figure.
There is a second hit if the draw is spent. The cash that left the line for a down payment is gone, and the debt remains. The pool shrinks twice. The same dollars also cannot serve as both income-pool assets and down payment or reserves.
An illustration using the program’s own arithmetic shape: $1,500,000 in usable assets divided by 60 months produces $25,000 of monthly qualifying income. Reduce the usable pool by a drawn balance and that income falls in proportion, which can tighten the debt-to-income test. The lender’s own calculation governs.
Depletion also has minimums. Qualified assets must be at least the lesser of $1,000,000 or 1.25 times the loan balance, and never below $250,000 liquid when depletion is the only income source. A draw can push a borderline file below those floors.
How Does an SBLOC Affect the Asset Qualifier Path?
Usually through the asset count, not the income test. No income is documented on this path, so no debt-to-income ratio exists for the SBLOC payment to land in. The question becomes whether eligible assets still cover the whole loan.
Brokerage accounts, CDs, money market and savings count at 100%. Retirement balances count at 90% under age 59½ and 100% after. Accounts combine. If the borrower’s brokerage account is pledged and drawn, a lender will want to see the net position. A pledged account may also not behave like freely available money, because the lender restricts it.
Pledged or borrowed funds are not published as eligible on either path. The documented route is converting assets to a seasoned cash balance in a regulated account, with the source reviewed by the lender. The qualifier path also asks for 60 days of seasoning and two months of statements per account. A fresh draw that lands in a checking account mid-application does not fit that pattern well.
The Verdict by Scenario
| Situation | Asset qualifier path | Asset depletion path |
|---|---|---|
| Line open, never drawn | Usually a documentation item | Sometimes discounted; varies by lender |
| Drawn, funds still held | Balance likely netted against the account | Balance netted from the pool |
| Drawn and spent | Pledged account net of balance; spent cash not available | Pool shrinks twice |
| Pledged account is the only asset | Must cover the loan after netting | May fall below minimum assets |
Treat the table as direction, not a rule. Practice varies by lender, and every file is underwritten individually.
Does an Undrawn Line Count Against You?
Often not, but it is not free. An executed line with no balance may create no debit at all. The underwriter still needs to see statements that prove which situation applies. Some lenders discount the pledged assets anyway, simply because the collateral is restricted. Others ignore the line until it is drawn.
The practical point: do not leave this for the underwriter to discover. Disclose the line, supply the agreement and a statement showing a zero balance, and let the file speak for itself.
Can You Use SBLOC Proceeds for the Down Payment?
Often a problem, so ask before you draw. Borrowed funds are not published as eligible assets on either path. Many borrowers want to keep a portfolio invested and borrow instead of selling. That is a sound instinct for taxes and market exposure, but a mortgage file asks a different question: where did the cash come from, and is it yours?
An SBLOC is secured by securities, not by the new property, so some lenders treat it differently from a loan secured by the home. That is a reasonable inference, not a promise. If you plan to sell shares and convert them to a seasoned cash balance instead, the seasoning periods above still apply. Tax treatment varies; consult a qualified professional.
What Happens If the Market Falls Mid-Application?
This is the risk people underrate. Falling collateral values can force a sale. A drop between application and closing can shrink the pledged account, cut your credit limit, and lower the verified balance a lender sees. On the depletion path, securities are already haircut to 80%, so a fall compounds.
Two defensive habits help. Borrow well below your limit so a decline does not force a sale. And avoid drawing at all during underwriting, because every new transaction becomes something to document. A cushion matters more than a clever structure.
What About Credit Reports and Scores?
Whether an SBLOC reports to the credit bureaus varies by issuer, and the answer should come from your line’s agreement. Credit still matters: the qualifier path has a 600 minimum score, and the depletion path follows the lender’s score and loan-amount matrix. A first-time investor on the depletion path needs 700. All of this is subject to underwriting, and approval is never assured.
Key Terms Defined
Securities-backed line of credit (SBLOC): a revolving loan secured by the securities in your investment account.
Maintenance call: a demand to add collateral or repay when the pledged account loses value.
Asset qualifier path: a program where eligible assets must cover the entire loan and no income is documented.
Asset depletion path: a program that divides usable assets by 60 months to create qualifying income.
Haircut: the share of an asset’s value a lender will not count, to allow for price swings.
Netting: subtracting a borrowed balance from the account it is secured against.
Should You Pay It Off First? A Practical Sequence
Often yes, if the balance is large relative to the account. Retiring or reducing a line before you apply can simplify the file. It removes the netting question and the call risk at once. The tradeoff is liquidity: paying it down uses cash you may want for the purchase.
A sensible order:
1. Ask your loan officer how your lender treats a pledged account and a drawn balance.
2. Decide which path fits: assets cover the loan, or assets become income.
3. Pay down or retire the line if it would pull a file near a minimum.
4. Leave statements to season to the required period.
5. Do not draw again until the loan has closed.
Some borrowers consider replacing a line with a larger mortgage instead.
What to Gather Before You Apply
- Statements for each qualifying account (two months on the qualifier path; on the depletion path, one at least 120 days old plus one within 45 days).
- The SBLOC agreement and a current statement showing the balance.
- A paper trail for any draw, from the line to the account that will fund closing.
- Your credit profile and housing history (0x30x12 is the standard; one recent 30-day late is considered case by case).
When an SBLOC Is Still the Right Tool
An SBLOC can be a reasonable bridge for someone who will repay it from a known source soon after closing. It is a poor fit when the borrower is relying on the same securities to qualify and has no spare cushion. For a household living on a portfolio, the flip point is simple: if the loan only works with the line undrawn and the pledged assets counted in full, keep it undrawn and keep it documented. If it only works with the draw, the file is probably too thin.
Frequently Asked Questions
Will opening an SBLOC lower my chances of approval?
Not by itself. An open line with no balance is mostly a documentation item. The risk comes from drawing on it, which can reduce the eligible pool or raise questions about borrowed funds. Every file is underwritten individually.
Can I pledge my IRA or 401(k) to an SBLOC?
No. Schwab states that retirement accounts cannot be pledged. They can still count toward a mortgage: at 90% under 59½ and 100% after on the qualifier path, or 70% on the depletion path.
Does the SBLOC interest payment count in my debt-to-income ratio?
On the qualifier path, no income or debt-to-income ratio is documented. On the depletion path, the lender nets the drawn balance against the pool, and its debt review follows program rules. Ask how your lender handles a variable, interest-only line.
Should I draw before closing or after?
After, unless your lender has confirmed in writing that the draw will be accepted. A draw mid-application adds a transaction to explain and may reduce the countable pool.
Do all lenders handle this the same way?
No. Seeing several programs side by side is the point of working through a broker.
If you are qualifying on assets rather than income and want to see how the numbers work, Lendmire can help you compare asset-based mortgage options based on your statements, the property, credit profile, leverage, and your goals. Under select programs and subject to underwriting, the first step is a clear picture of what is pledged, what is drawn, and what is free.
About Lendmire
Lendmire (NMLS# 2371349) is a mortgage brokerage serving self-employed and high-net-worth borrowers in 16 states. Bank statement, P&L-only, 1099-only and asset-based mortgages are arranged through wholesale lending channels; Lendmire brokers the financing and the lender underwrites each application. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.
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References
1. FINRA
2. Schwab – What Is a Securities-Based Line of Credit?
This article is part of Lendmire’s asset-based mortgage program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: How Big Can an Asset Qualifier Mortgage Be? · How an Asset Qualifier Jumbo Mortgage Works · How Asset Depletion Mortgage Eligible Assets Work on a Jumbo Loan
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
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Disclosures. The information presented in this article is general market commentary, not financial, legal, or tax advice. Lendmire is a mortgage brokerage (NMLS# 2371349) — not a direct lender or depository institution — and loan placement is subject to lender underwriting. Nothing in this content represents a commitment to lend. Loan terms, pricing, and program availability vary based on borrower qualifications, property characteristics, and state of subject property, and are subject to change at any time. Lendmire complies with Equal Housing Opportunity requirements. Consumer access: nmlsconsumeraccess.org.