Practice Owner Taps Business Funds For Bank Statement Loan Reserves — The Quick Read: Yes, a practice owner can use money sitting in the practice’s operating account to cover mortgage reserves, but only up to their documented ownership percentage. A 50% owner of a PLLC gets credit for roughly half the balance, not all of it. Lenders want proof of ownership, proof of access, and often a letter confirming the withdrawal won’t hurt the practice’s operations.
This is a narrower door than most physicians, dentists, and attorneys assume. The account has their name on it. They sign the checks. But a mortgage underwriter doesn’t look at signing authority — the underwriter looks at ownership documentation, and the math that follows from it.
The Core Rule: Ownership Percentage Caps the Usable Amount
Business funds can count toward reserves. But the credited amount can’t exceed the borrower’s ownership stake in the entity. You’ll see this guideline language across non-QM securitization disclosures. It’s also the same test that lenders in Lendmire’s wholesale network apply to bank statement files.
A sole owner of a single-member PC generally gets credit for the full balance, once ownership is documented. A partner in a three-doctor practice who owns a third of the entity gets credit for roughly a third of the account — not the whole thing, even if that partner is the one who happens to write checks from it.
This surprises a lot of practice owners because it runs against how they actually use the account day to day. Tax and cash-flow reasons push a lot of practice cash to sit in the business rather than personal savings, and Census Bureau data on self-employment shows there were 8.3 million U.S. employer businesses in the most recent count — a meaningful share of them professional practices structured as entities rather than sole proprietorships. Most of those owners have never had a reason to think about how a lender would slice up that balance until they apply for a mortgage.
What Documents Prove Ownership?
A Secretary-of-State business search doesn’t prove ownership percentage. Lenders reject it as insufficient on its own. Instead, one of a short list of documents can clear the file: a business license showing the ownership stake, a signed statement from a CPA or third-party tax preparer, or an operating agreement listing the borrower as a member with a stated percentage.
For a single-member LLC, the operating agreement usually settles it in one document. For a multi-owner partnership or professional corporation, the file often needs a CPA letter or a K-1 that ties directly to the percentage claimed. The document has to state the number — “50% owner,” not just “member” or “partner” — because underwriters are matching that percentage against the account balance.
The CPA Letter: What It Does and Doesn’t Prove
A CPA letter for use of business funds confirms three things: the funds are accessible, properly authorized, and not borrowed, restricted, or pledged elsewhere. It doesn’t verify the account balance. It doesn’t audit the books. And it doesn’t guarantee mortgage approval. It’s simply a factual statement based on records the CPA has reviewed — not an underwriting decision.
This distinction matters because some practice owners assume the letter is a formality their accountant will sign same-day. In practice, a CPA is putting a professional statement in writing that a withdrawal won’t damage the business’s ability to operate. Some accountants are cautious about that language, especially for a practice running tight on working capital around payroll or lease renewal. Building in time to get that letter drafted and reviewed — rather than requesting it the week before closing — avoids a scramble late in the file.
Co-Owners: The Overlooked Requirement
When a practice has more than one owner, every non-borrowing owner typically needs to sign a letter acknowledging the transaction and confirming the borrower’s access to the funds. Skip this step and the file usually stalls, because the lender has no way to confirm the other owners aren’t relying on that same cash for the practice’s own liquidity.
Once that acknowledgment is in hand, the math is straightforward: the business balance gets multiplied by the borrower’s ownership percentage to arrive at the usable portion. A 40% owner with an account showing a healthy balance and a signed co-owner letter gets credit for 40% of it — no more, regardless of who initiates the transfer.
A Documentation Gap Is a Delay, Not a Denial
Missing ownership proof is one of the most common reasons underwriters flag a bank statement file. But it’s typically a fixable problem, not a fatal one. Lenders hold the file open while the borrower gets the CPA letter, operating agreement, or an equivalent document. Once it arrives, they re-clear the file.
The practical lesson: gather the ownership documentation and any co-owner letters before the file goes into underwriting, not after a stipulation comes back asking for it. That single step removes the most common friction point on this type of file.
Does This Work the Same Way on a DSCR Loan?
Not exactly — and the difference matters. DSCR loans qualify primarily on whether the subject property’s rental income covers the payment, subject to lender guidelines. They don’t rely on the borrower’s personal or business cash flow. That means the bank-statement income calculation — expense ratios, deposit averaging, months of statements — simply doesn’t apply on a DSCR file.
The reserves rule still applies here too. Say business funds are meant to cover post-closing liquidity on a DSCR purchase or refinance. Then the same ownership-and-access test kicks in. Lenders need documented ownership percentage, proof the funds aren’t pledged elsewhere, and a co-owner letter if it applies. DSCR loans are built for non-owner-occupied investment properties. They are business-purpose investor loans, so lenders review them differently than a standard owner-occupied mortgage.
How Bank Statement Programs Size the Loan
Across the wholesale network Lendmire places files through, bank statement lending runs on two connected ladders. A portfolio non-QM program carries files to $6,000,000, and a bank portfolio program carries twelve-month-statement files to $30,000,000 on its own leverage ladder — 65% loan-to-value to $5,000,000, 60% to $10,000,000, and 55% to $30,000,000, with interest-only capped at 60% or the band’s ceiling, whichever is lower.
Leverage on a primary residence steps down as the loan size climbs: 90% to $1,000,000, 85% to $2,000,000, 80% to $3,000,000, and 75% at the top credit tier to $4,000,000. Above $4,000,000, every file goes to case-by-case review before it’s even submitted, and then it moves onto the bank program’s own ladder above $6,000,000. Second homes and investment properties generally run about five points lower than the primary-residence figures at every size band.
Borrowers can document income with 12 or 24 months of deposits, after an expense ratio is applied. Transfers from the borrower’s own business into a personal account count in full toward that calculation. Practice owners who’d rather qualify using liquid assets instead of deposits have that option too. One path divides liquid assets by 36, 60, or 84 months. A separate assets-only path requires liquidity equal to the loan amount plus costs.
Credit generally needs to clear 660 on the portfolio program (700 above the super-jumbo threshold), debt-to-income up to 50% is workable on most files, and reserve requirements run 3, 6, or 9 months depending on loan size. Cash-out above 60% LTV is capped at $1,500,000 on the portfolio program. None of this is universal — every file is underwritten individually, and program terms change.
Common Misconceptions
“If my name is on the account, I can use all of it.” Not necessarily. Guideline language ties the usable amount to documented ownership, not signing authority. A 50% owner generally gets roughly half the balance, unless a co-owner access letter expands that.
“A state business registration search proves my stake.” It doesn’t show percentage of ownership, and underwriters reject it as insufficient on its own. Only a CPA letter, operating agreement, or equivalent document with a stated percentage satisfies the requirement.
“Business funds and personal funds get treated the same way.” They don’t. Because business-purpose lending like DSCR loans sits outside the Truth in Lending Act and Regulation Z framework, there’s no single standardized documentation box — every wholesale program handles the ownership-and-access test with slightly different mechanics, even when the underlying question is the same.
Key Terms Defined
Reserves: Liquid funds a borrower must show, beyond closing costs, to cover a set number of months of the housing payment after closing.
Bank statement loan: A mortgage that qualifies income from bank deposits over a set number of months rather than from traditional personal-income documentation, common for self-employed borrowers and practice owners.
Ownership percentage: The documented share of a business entity a borrower actually owns, which caps how much of that entity’s cash the borrower can count toward a mortgage.
CPA letter for use of business funds: A written statement from an accountant confirming a specific withdrawal from a business account is accessible and won’t be borrowed against or restricted elsewhere.
Expense ratio: A fixed or accountant-provided percentage subtracted from business deposits before calculating qualifying income on a bank statement loan.
Frequently Asked Questions
Can a practice owner use 100% of the business account balance for reserves if they’re the sole owner? Generally yes, once ownership is properly documented through an operating agreement, business license, or CPA letter. A single-member entity is the cleanest case because there’s no percentage split to calculate and no co-owner letter required.
What if the practice has three equal partners?
Each partner’s usable amount is typically capped at roughly a third of the account balance, and the other two partners generally need to sign a letter acknowledging the transaction. Skipping that acknowledgment is one of the more common reasons a file gets held up in review.
Does a CPA letter guarantee the loan will be approved?
No. The letter confirms the funds are accessible and not otherwise pledged — it doesn’t verify the account balance, audit the books, or decide the loan. Final approval rests with the lender after a full underwriting review, subject to lender guidelines.
Can business funds be used on a DSCR investment property loan the same way?
The reserves side works the same way — ownership documentation and access still matter. The income side is different, since a DSCR loan qualifies primarily on the property’s rental income rather than the borrower’s business cash flow.
How much lead time should a practice owner build in for this documentation?
Enough to coordinate with a CPA and, if there are co-owners, to get signed acknowledgment letters in hand before underwriting review begins. Gathering ownership documents early is the single biggest thing that keeps this type of file from stalling.
Tax treatment can depend on how the funds are used and how the practice is structured; practice owners should keep clear records and speak with a qualified tax professional before relying on any particular treatment.
If a practice owner is weighing whether business funds can support a purchase or refinance, Lendmire can help compare bank statement and DSCR loan options based on ownership documentation, credit profile, leverage, and the property or practice’s cash position.
For current guidelines and terms, see Lendmire’s super jumbo bank statement loan programs page.
Self-employed borrowers can compare both super jumbo programs on Lendmire’s self-employed mortgages page.
About Lendmire
Lendmire (NMLS# 2371349), a non-QM mortgage broker serving investors in 40 markets including Washington, D.C., helps structure DSCR scenarios commonly evaluated around a property’s rental income rather than personal income paperwork, subject to lender guidelines. A Scotsman Guide Top Mortgage Workplace in 2025 and 2026, Lendmire places loans through wholesale investor lenders and is not a direct lender.
Lendmire’s Top Mortgage Workplace recognition is documented by Scotsman Guide 2025 Top Mortgage Workplace and Scotsman Guide 2026 Top Mortgage Workplace.
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References
1. U.S. Census Bureau — Self-Employment by Sector and State
2. CFPB Regulation Z §1026.3 Exempt Transactions
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.
