Cpa Letter Fix An Expense Factor — The Quick Read: No, not on a true DSCR loan — because the expense factor doesn’t apply there. The expense factor lives inside bank-statement lending, a program that is reviewed against business deposits. DSCR loans qualify off the property’s rent instead, so a CPA letter has nothing to override. Whether it matters at all depends on which loan you’re actually using to buy the resort property.
Most resort buyers ask this question because they’ve mixed up two different non-QM tools. One qualifies the person. The other qualifies the property. Figuring out which one you’re on — before you pay a CPA for a letter — saves a lot of wasted paperwork.
What Is An Expense Factor, Exactly?
An expense factor is a haircut lenders apply to business bank-deposit income because a business account mixes personal profit with operating costs. Since nobody can tell from a bank statement how much of a deposit was actual profit, the lender assumes a chunk went to overhead and backs it out before counting your income.
Across the bank-statement programs Lendmire places files with, that assumed cut typically runs on a tiered basis — a lower assumed-expense tier for a service business with no employees, a higher one for a business with several employees, and the highest tier for any business selling a physical product. A CPA letter, if it meets specific format requirements, can replace that assumed tier with your actual documented ratio. That’s the entire mechanism. It does one job, on one type of loan.
Does The Expense Factor Even Apply To A DSCR Loan?
Generally, no. A DSCR loan is reviewed primarily on the subject property’s rental income covering its payment, subject to lender guidelines. It’s not reviewed on your personal or business bank deposits. There’s no deposit average to haircut, so there’s no expense factor to fix.
On a resort DSCR file, the appraiser’s rent conclusion is what really drives the loan. This figure sometimes comes from Fannie Mae’s Form 1007 comparable rent schedule. Fannie Mae describes this form as the document a lender uses to get market rent for a single-family investment property from the appraiser. But the appraisal trade itself flags a real limitation here. Form 1007 wasn’t built for short-term-rental units. It doesn’t capture vacancy rates or business-style operating expenses the way a hotel-style analysis would, according to McKissock Learning’s coverage of the form’s short-term-rental limits. That’s why lenders in Lendmire’s network frequently pair the 1007 with third-party short-term-rental income data on true vacation-rental files, rather than relying on the form alone.
Bring your personal bank statements to a DSCR closing table and they mostly become a reserves check — proof you can cover months of payments if the rental income dips — not an income rebuild. That’s a completely different job than what a CPA letter does.
So When Does A CPA Letter Actually Help On A Resort Property?
A CPA letter helps when the resort purchase is being documented as a bank-statement file — meaning your personal deposit history, not the property’s rent, is what drives lender review. That happens most often on a genuine second home, where you plan to use the place yourself for real stretches of the year rather than rent it out full time.
On that structure, the mechanics run exactly like they would on any bank-statement file, resort location or not. The lender reviews 12 or 24 consecutive months of statements, strips out transfers between your own accounts and one-off large deposits, and averages what’s left. If the deposits come from a business account, the tiered assumed-expense cut applies — unless your CPA documents a lower actual figure.
The letter itself has to hit specific content requirements. It needs to state a certified expense ratio for the exact period your statements cover, confirm the preparer actually reviewed your business financials, and confirm your most recent business return has been filed or completed. There’s a floor below which no ratio gets certified, no matter how lean your operation runs, and a separate profit-and-loss path exists with its own cap rather than sharing the CPA letter’s floor. Transfers you make from your own business into your personal account typically count in full regardless — the expense factor only touches raw business-account deposits.
Who actually gains from doing this? Low-overhead service businesses — consultants, brokers, property managers, professional practices — where real costs sit well under the fixed tier they’d otherwise be assigned. A goods-heavy or high-headcount business is less likely to move the needle much, since its actual costs usually land close to the default tier anyway.
The Collateral Problem A CPA Letter Can’t Touch
Most resort-style properties fail eligibility rules before anyone even runs the income math. No CPA letter fixes that. Condotels, rental-pool projects, and hotel-condo units are treated as ineligible collateral under agency rules. Fannie Mae’s Selling Guide states plainly that a project can’t be operated or managed like a hotel, motel, or similar commercial entity. One disqualifying sign is an HOA licensed as a hotel, resort, or hospitality entity.
This matters here because a resort buyer can get the CPA-letter question exactly right and still hit a wall the letter has nothing to do with. The letter only ever touches the income side of a file. It has zero bearing on whether the building itself is eligible collateral in the first place.
It also doesn’t take an official “condotel” label to trigger this. Heavy short-term rental activity inside a building can pull an otherwise ordinary-looking condo into hotel-style underwriting on the lender side. Even a public Airbnb listing for units in the building can do this — even in a building that looks warrantable on paper. This is a separate issue from the CPA-letter question entirely. It’s worth checking before you assemble any income documentation at all.
Personal Use vs. Rental Use Changes The Whole Loan Structure
A resort unit bought purely to rent out gets treated as an investment property. A resort unit you plan to use yourself for real stretches of the year gets treated as a second home. Those two paths carry different leverage and different documentation expectations — and only one of them is likely to touch the expense-factor question at all.
If the resort purchase is a genuine second home, it may run through a bank-statement structure where the CPA letter is a real, usable lever. If it’s a rental play, it’s far more likely to land on a DSCR loan, where the expense factor simply isn’t part of the math.
Lendmire’s network works with many wholesale programs. On a primary residence, leverage drops as the loan size goes up. It starts around 90% at the entry tier. Then it steps down through the mid-80s and mid-70s as balances pass the million-dollar and multi-million-dollar marks. Loans above roughly $3.5-4 million on a primary residence move into stricter overlay territory. The same happens above roughly $3 million on a second home or investment property. These stricter files need a 700 credit floor, longer credit-event seasoning, and case-by-case review before submission. Second-home and investment-property ceilings generally run about five points below the matching primary-residence tier at every size band. None of these figures are guaranteed on any individual file. Actual leverage depends on credit, reserves, occupancy, and full underwriting.
Where This Actually Sits In The Bigger Market Picture
Non-QM lending covers both DSCR and bank-statement programs. It has been taking a growing share of overall mortgage lock activity, according to Scotsman Guide’s coverage of March lock volumes. That growth explains why both documentation paths keep expanding for resort and investment buyers who don’t fit a conventional owner-occupied box.
DSCR loans are designed for non-owner-occupied investment properties. Because they’re business-purpose investor loans, they get reviewed differently than a standard owner-occupied mortgage.
Some investors plan to actually rent out the property, rather than use it as a personal second home. For them, the practical DSCR numbers matter more than any expense-factor conversation. On a straightforward rental DSCR file, coverage in the neighborhood of 1.0x to low-1.2x is common on select-lender programs. Coverage below 1.00 can sometimes be reviewed through certain lenders in the network, though leverage and terms adjust accordingly on those files. For loans large enough to cross into super-jumbo territory, cash-out on standard rental collateral generally tops out around 75% loan-to-value. Short-term-rental collateral tends to top out closer to 70% cash-out. Both figures apply to the same size band and are both subject to full underwriting.
One pattern shows up consistently across the files Lendmire’s network sees on condotels and newly built resort units with no operating history. A shorter, 12-month bank-statement lookback can resurface as a fallback on the personal-income side. This happens when there’s simply no rent history yet for the appraiser to lean on. But even then, most resort and short-term-rental investors still end up structuring the purchase as a DSCR loan. There, the property’s own rent carries the file, and personal statements shrink down to a reserves check.
Key Terms Defined
Expense factor (or expense ratio): the percentage of business bank deposits a lender assumes went to overhead, subtracted before your income gets counted.
CPA letter: a signed statement from a qualifying accountant or tax preparer certifying your actual business expense ratio for a specific statement period, used to replace the lender’s default assumption.
DSCR loan: a loan qualified primarily on whether the property’s rental income covers its own monthly payment, rather than on your personal income documents.
Bank-statement loan: a non-QM loan that reconstructs qualifying income from 12 or 24 months of personal or business bank deposits instead of traditional personal-income documentation.
Condotel: a condominium unit operated with hotel-style services — front desk, rental pool, short-term booking — that most agency loan programs treat as ineligible collateral.
Frequently Asked Questions
Can a CPA letter lower the expense factor on a DSCR rental loan? Not directly — DSCR loans don’t use an expense factor in the first place, since they qualify on the property’s rent rather than your bank deposits. If you’re seeing an expense-factor question on a resort purchase, it usually means the file is actually structured as a bank-statement loan, not a DSCR loan.
What information does a CPA letter need to include? It needs to state your certified expense ratio for the exact period your bank statements cover, confirm the preparer reviewed your business’s actual financials, and confirm your most recent business tax return has been filed or completed. Letters missing any of those three elements typically get rejected by underwriting.
Will short-term rental income raise my appraised value on a resort property? No. Appraisers using the standard rent-schedule form can’t factor projected short-term rental income into a property’s value — a short-term rental appraises the same as a comparable long-term rental would. That’s a separate limitation from anything a CPA letter can address.
Does personal-use time on a resort property affect the loan structure? Yes. A resort unit bought purely to rent out gets underwritten as an investment property, while one you plan to use yourself for meaningful stretches of the year gets treated as a second home — and those two paths carry different leverage ceilings and different documentation requirements from the start.
Can a building be treated like a condotel even without that label in its HOA documents? Yes. Heavy short-term rental activity, or even a visible Airbnb listing presence, can pull a nominally warrantable building into hotel-style underwriting on the lender side, regardless of what the HOA paperwork calls it.
If you’re weighing a resort purchase and aren’t sure whether you’re looking at a DSCR file or a bank-statement file, that’s the first question worth answering before any paperwork gets assembled. Lendmire can help compare options based on the property’s income potential, your credit profile, and how you plan to use the home — reach out to talk through which structure actually fits.
For a fuller walkthrough of how DSCR lender review works end to end, see Lendmire’s complete DSCR loans guide. Investors weighing this exact CPA-letter-versus-property-income question on a second home specifically may also want expense factor vs. CPA letter on a second home.
Tax treatment can depend on how the funds are used and how the property is held; investors should keep clear records and speak with a qualified tax professional before relying on any deduction.
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, is a non-QM mortgage broker serving real estate investors in 40 markets, including Washington, D.C., through DSCR investor loan programs. Qualification is generally reviewed around the subject property’s rental income, not the borrower’s W-2 history — a practical fit for LLC-titled portfolios and self-employed investors. All scenarios remain subject to lender review and program guidelines. Two consecutive Scotsman Guide Top Mortgage Workplace recognitions (2025, 2026).
Lendmire’s Top Mortgage Workplace recognition is documented by Scotsman Guide 2025 Top Mortgage Workplace and Scotsman Guide 2026 Top Mortgage Workplace.
Get Started
Ready to find the right loan for you?
In about 30 seconds you can review financing options available for your home or investment property. No commitment required.
Informational only. Not a Loan Estimate, approval, or commitment to lend. Program availability and eligibility are subject to lender guidelines, credit approval, property review, and underwriting.
References
1. Fannie Mae Single-Family Comparable Rent Schedule (Form 1007 display page)
2. McKissock Learning — Form 1007 & Its Impact on Short-Term Rental Appraisals
3. Fannie Mae Selling Guide B4-2.1-03 — Ineligible Projects
4. Scotsman Guide — Non-QM, FHA channels power March mortgage lock volumes
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
- Mortgage Loan Originator · NMLS# 1129696 · Verify on NMLS Consumer Access
- North Carolina Real Estate Broker · License# 343312 · Verify on NCREC
- North Carolina Insurance Producer · License# 19053198 · Property, Casualty, Life, Health · Verify on NAIC SBS
- Lendmire LLC · Firm NMLS# 2371349 · Verify firm licensure
Disclosure information. Lendmire is a state-licensed mortgage brokerage under NMLS# 2371349. Lendmire is not a depository institution, direct lender, or financial advisor — all loans referenced are placed through wholesale lender partners and are subject to each lender's underwriting standards. This article is provided for general informational purposes and is not a commitment to lend, nor does it constitute financial, legal, or tax advice. Loan programs, terms, rates, and qualification standards change without notice and depend on borrower profile, property type, and the state in which the subject property is located. Equal Housing Opportunity provider. NMLS Consumer Access: nmlsconsumeraccess.org.
