The Quick Read: This structure is a large mortgage with three separate parts. The balance sits above standard jumbo size, your income is proven by 12 or 24 months of bank deposits instead of traditional personal-income documentation, and the rate stays fixed for five years before adjusting every six months. Each part follows its own rules, and your exit plan before year five decides whether the structure fits.
- Income: The loan is reviewed on documented deposits after an expense ratio, subject to lender guidelines, not on the write-offs shown on a tax return.
- Size: “Super jumbo” has no legal definition. Each lender sets the line, and the strictest overlays start around $3,000,000 on investment property.
- Rate: The five-year fixed period ends, and the payment then follows an index plus a margin. The change is formulaic, not negotiated.
- Exit: Plan a sale or refinance before the first adjustment. Swapping to a fixed rate later means a new application.
Key Terms Defined
ARM is an adjustable-rate mortgage. The rate is fixed for a set period, then changes on a schedule.
Fixed period is the opening stretch when the rate does not move. On this loan it is five years.
Adjustment period is how often the rate resets after the fixed period ends. Most 5-year ARMs reset every six months.
Index is a published market benchmark that the reset follows. Many non-QM adjustables use an average of SOFR, a benchmark built from overnight borrowing costs.
Margin is the fixed amount the lender adds to the index. It usually stays the same for the life of the loan.
Cap is a limit on how far the rate can move at one reset or over the whole loan.
Bank statement loan is a mortgage where deposits in your bank accounts, not traditional personal-income documentation, show your income. It is a non-QM loan, meaning it falls outside standard agency documentation rules.
Expense ratio is the share of business deposits treated as costs. Only the remainder counts as your income.
Super jumbo is an informal label for very large balances. Lenders set the dollar line themselves.
How Does the Loan Work From Application to Year Five?
The loan runs in five stages: choose a statement set, build qualifying income, clear credit and reserves, close, and then carry the fixed period toward a planned exit. Qualifying income is built the same way for an ARM or a fixed rate. The rate structure matters at reset, not at approval.
1. Choose the statement window. Programs take 12 or 24 consecutive months of personal or business statements. The bank portfolio program, which carries files up to $30,000,000, uses 12 months. Transaction histories never substitute for statements.
2. Scrub the deposits. Transfers between your own accounts, loan proceeds and one-time items come out before any averaging.
3. Compute income and test debt-to-income. Qualifying income is eligible deposits divided by the statement months, after the expense ratio. Debt-to-income can run up to 50% through select wholesale programs, subject to full underwriting.
4. Clear credit, reserves and property review. Credit floors and reserves rise with balance. Both are covered below.
5. Hold through the fixed period. The rate does not move for five years. Your job is to decide before the first reset whether to sell, refinance or carry the loan.
Bank statement qualification is also separate from rental income. A rental whose rent looks thin against its price can still qualify here if your personal cash flow is strong. The reverse path, qualifying on the property’s rent alone, is a different loan. The complete DSCR loans guide explains it. That path qualifies primarily on property-level rental income covering the payment, subject to lender guidelines.
How Do Bank Deposits Become Qualifying Income?
Your lender takes eligible deposits, multiplies them by your ownership share, subtracts an expense ratio, and divides by the number of months in the window. The result is monthly qualifying income. That figure is tested against your debts, not against the rent the property earns.
The account type changes the math. Across the wholesale network, the pattern looks like this:
| Statement type | How deposits are treated |
|---|---|
| Business account | Expense ratio applied; 25% ownership minimum |
| Personal account | Counted after scrubbing for transfers |
| Business-to-personal transfers | Counted at 100% of the transfer |
| Profit-and-loss method | Income capped at 80% |
Expense ratios are not one flat number. The fixed ratios most programs use are:
- 20% for a service business with no employees.
- Higher for a business with one to five employees.
- Higher still for a business with six or more employees, or any product business.
An accountant-provided ratio can replace the fixed ratio where the program permits it. A lower ratio counts more of each deposit as income.
Picture an attorney with a two-person practice. Her tax return shows modest income after write-offs, but her business account shows steady deposits. At a 40% ratio, 60 cents of each eligible deposit dollar counts toward qualifying income. If the same deposits moved from the business account into her personal account as owner transfers, they would count in full.
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.
Some borrowers skip deposits entirely. An asset allowance divides liquid assets by 36, 60 or 84 months to create income, on primary and second homes only. An assets-only path needs no debt-to-income test when U.S. liquid assets equal the loan amount, closing costs and a reserve for any net loss on other residential property. Retirement accounts count at 70% (80% from age 59½). Business funds, gifts and cryptocurrency never count.
What Does the “5-Year” Part Mean?
A 5-year ARM holds the rate fixed for five years, then adjusts every six months. NerdWallet’s ARM explainer describes the standard 30-year version: five fixed years, then adjustments every six months for the remaining 25. Lenders write it as 5/6 or 5y/6m. The older label 5/1 means annual resets instead.
The first number is the fixed period. The second is how often the rate resets afterward. Read the note to see which version you hold.
Two things make it different at super jumbo size. First, the bank portfolio program in the network offers 5- and 7-year fixed-period adjustables. A 10-year fixed-period adjustable on that program is fully amortizing. Second, interest-only on the bank program tops out at 60% LTV. That makes interest-only an LTV-limited feature, not a default. Each figure is subject to lender guidelines and a complete review of property type, leverage, and credit.
Interest-only and the fixed period are two separate features. When an interest-only stretch ends, the payment can step up even with no rate change. Your note states when.
What Happens at the First Reset?
At each reset, the lender adds the index to the margin, rounds the result, and applies the caps. The CFPB’s handbook on adjustable-rate mortgages explains that the index plus the margin gives the fully indexed rate, and that the margin usually stays constant. It also notes that some ARMs start below the fully indexed rate, then move to it when the introductory period ends.
The CFPB’s plain-language page on index and margin adds that, after the introductory period, the two are added together subject to caps. It also says later changes follow the market, not your personal finances. That matters on a bank statement file. A better year in your business does not lower the reset, and a worse year does not raise it.
Here is the sequence at the first change date, which falls after the 60th payment:
1. The lender reads the index value, usually set several weeks before the change date. Your note states the exact lag.
2. It adds the margin from your note.
3. It rounds the total and checks it against the adjustment caps.
4. It recalculates the payment on the remaining balance and remaining term.
Caps come in three kinds: the maximum move at the first reset, the maximum at each later reset, and a limit over the life of the loan. A lifetime cap measures from the starting rate. It does not limit the dollar payment, and it does not stop a large balance from producing a large payment change. Stress-test the worst case against the income you actually have, and keep your debt-to-income ratio near the 50% ceiling in mind.
How Much Can You Borrow, and at What Leverage?
Leverage falls as the loan grows. The table shows purchase ceilings for business-purpose investment property through select wholesale programs, subject to full underwriting. Every figure is a ceiling, not a promise.
| Loan size | Purchase LTV ceiling | Credit tier |
|---|---|---|
| $300K–$1M | 85% | 700+ |
| $1M–$1.5M | 80% | 680+ |
| $1.5M–$2M | 80% | 700+ |
| $2M–$2.5M | 80% | 720+ |
| $2.5M–$3M | 75% | 720+ |
| $3M–$4M | 60% | 700+ (overlay) |
| $4M–$5M | 65%, case by case | 760+ |
Every loan above $4,000,000 is reviewed case by case before submission. Above $5,000,000 leverage steps down further, and the bank portfolio program carries files to $30,000,000 on its own ladder. Cash-out ceilings run lower than purchase ceilings at every size. Which adjustable options exist in the lower bands depends on the lender, so ask early.
Above $3,000,000 on investment property, a stricter set of overlays applies:
- A 700 credit floor.
- A 0x30x24 housing history.
- 48 months of seasoning after any credit event.
- U.S. citizens and permanent residents only.
- No non-occupant co-borrowers.
- No rural property, and a ten-acre maximum.
- Cash-out proceeds cannot satisfy reserves.
Pricing and available terms vary by lender, borrower profile, property type, and full underwriting review. Reserves run 3 months up to $500,000, 6 months up to $1,500,000, and 9 months above. Add 2 months for each additional financed property, to a 12-month maximum. First-time investors need 12 months.
ARM or Fixed at This Size?
The choice is a hold-period decision, not a question of cheap now versus safe later. A fixed rate gives certainty for the whole term. An ARM gives certainty for five years, then hands the market risk to you.
| Factor | 5-year ARM | Fixed |
|---|---|---|
| Payment in years 1–5 | Stable | Stable |
| After year five | Resets on index plus margin | No reset |
| Best fit | Sale or refinance planned | Long hold |
| Switching later | New application | Not applicable |
| Interest-only (bank program) | Up to 60% LTV | Varies by lender |
The ARM suits a founder planning a business sale, an investor planning to refinance after stabilizing a property, or anyone who expects to exit within about five years. It fits poorly if you plan to hold for decades and your income could dip.
What If Your Exit Plan Doesn’t Work?
If you cannot sell or refinance by the first reset, the loan simply resets. Nothing lets you convert an ARM into a fixed loan later on standard non-QM structures. You would need a new application, so you would be underwritten again on the same terms as anyone else.
A fresh application can change three things:
- Income: The statement window moves forward. A weaker year drops qualifying income.
- Leverage: If the property value fell, the ladder may not support the balance.
- Credit: A lower score can move you into a lower tier or disqualify the file.
Plan the exit while the loan is still comfortable. Refinancing from a position of strength beats refinancing because the reset is looming.
Where the General Rules Bend
Several edge cases change how a file is built. A short list covers most of them.
Business-purpose loans. Bank statement loans on rental property are business-purpose investor loans, so they are reviewed differently from a standard owner-occupied mortgage. The practical result is that you may not receive the reset warning a consumer borrower gets. Put the first change date from your note in your own calendar.
Second homes and owner occupancy. Occupancy decides which rules attach. A home you use personally is a different file from a rental. Second homes are one-unit only.
Ownership under 100%. Qualifying income is prorated to your share. A 25% minimum ownership applies for business statements.
Entity vesting. Closing in an LLC may be possible, subject to lender program eligibility, and the entity can change which documentation applies. Confirm with counsel and your broker before you sign.
Expense ratio variation. A fixed ratio is the default, not the rule. An accountant-provided ratio or a profit-and-loss method can replace it where the program permits.
Qualifying-rate rules. The rate used to test your income on an ARM varies by investor guideline. Ask what it is before you price the deal.
Interest-only. The 60% bank program ceiling applies to the interest-only structure on purchase and rate-term files. It never raises a cash-out ceiling.
Is a 5-Year ARM Right for You?
Run this checklist. Three or more yeses points toward the ARM.
- You expect to sell, refinance, or restructure within five years.
- Your reserves cover the required months, with room beyond.
- Your income is stable enough to pass the 50% debt-to-income ceiling if payments rise.
- You can carry the worst-case payment at the lifetime cap without strain.
- You can tolerate a reset on your income at that time, not the income you have today.
If most answers are no, a fixed structure is likely the better match, even at super jumbo size.
Common Misconceptions
Bank statement means no documentation. That’s a misconception: the lender verifies deposits, applies an expense ratio, and reviews credit, reserves and the property.
The expense ratio is fixed at 50%. False. It ranges from 20% to 50% by business type, and an accountant’s ratio can replace it.
The ARM resets to today’s rate. False. The reset uses an index value set weeks earlier.
Caps mean payment can’t rise much. False. Caps limit the rate, not your ability to pay on a large balance.
Super jumbo is a legal category. False. Lenders set the line, usually through overlays that tighten above about $3,000,000 on investment property.
All investor loans send reset notices. False. Business-purpose loans may fall outside consumer notice rules, so track the date yourself.
You can convert an ARM to fixed later. False on standard non-QM structures. Switching means a new application.
Bank statement and DSCR are the same. False. One is reviewed on deposits and debt-to-income. The other qualifies primarily on property-level rental income covering the payment, subject to lender guidelines.
Frequently Asked Questions
Does a 5-year ARM change how my income is calculated?
No. The deposit math is identical for an ARM or a fixed loan. The structure shows up later, at reset, and in leverage and interest-only limits on the bank portfolio program.
How big can a 5-year ARM bank statement loan be?
The two wholesale programs together cover $300,000 to $30,000,000. The portfolio non-QM program carries files to $6,000,000, and the bank portfolio program carries twelve-month-statement files to $30,000,000. Every file above $4,000,000 is reviewed case by case before submission, subject to full underwriting.
Can I use my business account?
Yes, with at least 25% ownership. An expense ratio is applied, and transfers from your business into your personal account count in full. Personal statements are an alternative.
What credit score do I need?
The floor is 660 on the portfolio non-QM program and 680 on the bank portfolio program. Above the super-jumbo line, the floor is 700, and higher tiers apply at certain sizes. The exact number depends on loan size, occupancy and transaction type.
Will I get a notice before the rate resets?
Not necessarily. Consumer borrowers receive scheduled reset warnings, but business-purpose investor loans may fall outside them. Track the first change date in your note, which lands after the 60th payment.
Next Step
If you are financing a high-balance property on business or personal bank statements and want to see how the numbers work, Lendmire can help you compare super jumbo bank statement loan options based on your deposits, the property, credit profile, leverage, and your goals. Lendmire is a broker, not a lender, and its consumer mortgage lending is licensed in 16 states, so availability on a given file depends on state and property. Nothing here is a commitment to lend.
The loan that fits is the one whose reset date you have already planned around.
Lendmire’s self-employed mortgages page presents both super jumbo programs, bank statement and DSCR, side by side.
About Lendmire
Lendmire is a non-QM mortgage brokerage (NMLS# 2371349) arranging DSCR investor loans in 41 markets, including Washington, D.C. DSCR eligibility is generally reviewed around property-level rental income rather than personal income, subject to lender and program guidelines, a fit for self-employed investors and LLC-owned portfolios. Lendmire was recognized as a Scotsman Guide Top Mortgage Workplace in 2025 and 2026.
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References
2. CFPB Consumer Handbook on Adjustable-Rate Mortgages
3. CFPB Ask CFPB: index and margin
This article is part of Lendmire’s super jumbo bank statement loan program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: How to Document a 40-Year Super Jumbo Bank Statement Loan · How a Bank Statement Jumbo Loan Works in Destin · Is a Super Jumbo Bank Statement Loan Available in Texas?
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
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Important disclosures. Lendmire (NMLS# 2371349) is a licensed mortgage brokerage. Lendmire is not a direct lender, depository institution, or financial advisor. All loan inquiries are subject to lender underwriting; this article does not constitute a commitment to lend. Rates, terms, and program guidelines are subject to change without notice and vary by borrower profile, property type, and state. Information in this article is general in nature and is not financial, legal, or tax advice. Equal Housing Opportunity. NMLS Consumer Access: nmlsconsumeraccess.org.