The Quick Read: Reserves are verified liquid savings you must still hold after paying the down payment and closing costs, and on a rental duplex the lender sizes them in months of the building’s full monthly payment, with the month count rising as loan size, leverage and the number of properties you finance go up. Across the wholesale network Lendmire works with, about 6 months of PITIA (principal, interest, taxes, insurance and association dues) is common on most files, subject to lender guidelines.
- Reserves are never paid to the lender. They stay in your accounts, and the lender only verifies them.
- Most files land near 6 months of PITIA, stepping up to about 9 months on loans above $1,500,000.
- Some conservative rate-and-term refinance files at modest leverage under $1,500,000 can see reserves waived.
- Total cash needed is the down payment, plus closing costs, plus reserves.
- Strong rent coverage helps you qualify, but it does not replace reserves.
What Reserves Are, and What They Are Not
Reserves are the cash cushion a lender wants to see in your accounts after the deal is done. They are separate from the down payment and separate from closing costs. The same dollar cannot be counted twice.
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Think of it as a promise backed by a bank statement. If a unit sits empty for a few months, or the roof needs attention while rent is down, the loan still gets paid. The lender wants proof that the money exists before it commits.
Reserves are counted in months of the property’s payment, not in a flat dollar amount. On a duplex the payment basis is the whole building: both units, one loan, one monthly obligation. That is why a duplex does not get a discount just because it has two rent streams.
Two misunderstandings come up all the time. The first is that reserves are a fee. They are not. The second is that equity in the property counts. Unsold real estate equity is not liquid, so it generally does not count.
What Makes a Duplex Loan “Jumbo”?
A duplex loan is jumbo when the loan amount, not the purchase price, exceeds the federal conforming limit for that county and unit count. Those limits vary by area and by the number of units. A duplex has its own, higher limit than a single-family home.
Calculated Risk’s summary of the federal limits shows the scale. The baseline limit for a one-unit home in most U.S. counties is $832,750, and the four-unit baseline is $1,601,750. High-cost counties run higher, with a one-unit ceiling of $1,249,125. A two-unit limit sits between the one-unit and four-unit figures, and it changes from county to county.
Because the limit applies to the loan, a bigger down payment can pull a duplex back under it. A small change in down payment can flip a purchase near the limit from conforming to jumbo. That matters because the reserve tier can change with it.
One brief contrast helps here. Conforming loans can be sold to Fannie Mae, and Fannie Mae’s lender letter on conforming limits confirms the new limits take effect for loans delivered on or after January 1. A DSCR loan does not follow that selling guide. For DSCR files, the label matters less than the loan-size tier in each lender’s own grid.
Why Lenders Hold More Cash on a Rental
Rental properties carry risks a primary residence does not. Units turn over, tenants pay late, and repairs arrive without warning. A jumbo loan is also large, so one missed stretch of payments hurts the lender more.
Corporate Finance Institute explains that large reserves are normally required to protect lenders against default, and that borrowers prove them with bank statements. The network figure for investment-property DSCR files is about 6 months of PITIA, stepping up to about 9 months above $1,500,000.
Investor lending also differs on income. DSCR loans are designed for non-owner-occupied investment properties. Because they are business-purpose investor loans, they are reviewed differently from a standard owner-occupied mortgage. The file qualifies primarily on property-level rental income covering the payment, subject to lender guidelines. Credit and liquid assets still matter.
How Underwriting Counts Your Reserves, Step by Step
The process follows the same seven steps on most files.
1. Loan size is checked against the lender’s tiers. Standard programs run up to $3,000,000, and above $1,500,000 the reserve requirement typically steps up. Above $2,500,000 the network generally holds to 30-year fixed structures.
2. The month count is set from the grid. The main drivers are loan size, leverage, credit score, transaction type, borrower experience and how many other properties you finance.
3. The payment basis is chosen. This is usually the subject property’s PITIA. Interest-only structures may use a different basis, so confirm which one applies.
4. Months are multiplied by the payment. At 6 months, the target is six times the monthly PITIA. At 9 months, it is nine times.
5. Eligible assets are identified. Checking, savings and money market balances count most cleanly. Brokerage and retirement balances may count at a discount.
6. Documentation is collected. Expect recent bank statements, with every page included, and an explanation for any large deposit.
7. The money has to still be there at the end. Spend on repairs, furniture or a move before the final asset review, and your verified balance can drop below the target.
Notice that step 4 uses the payment, not the rent. A duplex that rents well produces a stronger coverage ratio, but the reserve target is still built from the monthly obligation.
Why a Strong DSCR Doesn’t Shrink Your Reserves
Rent helps you pass one test, and reserves are a second test. The strongest files clear both: enough equity and enough rental coverage.
DSCR compares monthly rent to PITIA. Many select programs in the network start at 1.00, where rent just covers the payment. A separate select-lender path takes coverage below 1.00, with leverage and terms adjusted. Stronger ratios open better leverage and pricing.
Clearing 1.00 does not mean the property has positive cash flow. Repairs, vacancy, management, utilities and capital expenses all sit outside the calculation. Reserves exist precisely because the ratio ignores those costs.
Higher coverage can sometimes work as a compensating factor. At some lenders, a strong ratio together with lower leverage and a higher credit score can ease the requirement. Treat that as a possibility, not a promise.
A Worked Reserve Calculation for a Duplex
Run the numbers on a modeled investor buying a duplex as a pure rental at 75% LTV on an investment-property purchase, with a 700+ credit score. These inputs are assumptions, not market data, and they use variables instead of dollars. The exact numbers vary by lender and program and follow a full review of property, leverage, and credit.
Call the building’s monthly PITIA “P”. Total cash needed is:
- Down payment: 25% of the price.
- Closing costs: whatever the lender and title company itemize.
- Reserves: 6 × P if the loan is at or under $1,500,000, or about 9 × P above that.
Now compare two versions of the same investor. On a loan just under $1,500,000, the reserve target is about 6P. Buy a slightly pricier duplex with a loan just over that line, and the target moves to about 9P. That is a 50% jump in required liquidity for a modest jump in price.
Sequencing matters. Say the investor has the cash for the down payment and closing costs, and a brokerage account that the lender will count at a discount. The investor must show reserves from what remains after closing. Moving money between accounts the week before closing can create sourcing questions, so keep deposits clean and documented.
If the loan is a conservative rate-and-term refinance at modest leverage under $1,500,000, reserves may be waived. That is a specific path, not a general rule. Purchases and cash-out files typically carry the full requirement.
What Drives the Reserve Number
| Factor | Typical effect | Ask your lender |
|---|---|---|
| Loan size | About 6 months; about 9 above $1.5M | Where is the tier break? |
| Leverage | Higher LTV can mean more months | Does 75% vs 80% change it? |
| Credit score | 700+ tiers are most flexible | Does a higher score lower it? |
| Transaction type | Rate-and-term may see waivers | Is my refinance eligible? |
| Other financed properties | Often adds months | Is it capped? |
| Payment structure | Interest-only may use another basis | Which payment is used? |
Leverage ranges help set the context. On an investment-property purchase, most files land at 75%–80% LTV, and select high-leverage programs reach 85% LTV with roughly a 700+ score. A cash-out refinance on a standard rental tops out around 75% LTV, with about 6 months of seasoning as the common expectation. Pricing and available terms vary by lender, borrower profile, property type, and full underwriting review.
What Counts as Reserves and What Doesn’t
| Asset type | Usually counts? | Note |
|---|---|---|
| Checking and savings | Yes | Statements must show the history |
| Money market, CDs | Yes | Same documentation |
| Brokerage accounts | Often, at a discount | Treatment varies by program |
| Retirement balances | Often, at a discount | Vested funds only |
| Gift funds | Often restricted | Lender-specific |
| Property equity | No | Not liquid |
| Cash-out proceeds | Generally not | Not for the same loan |
The discount, called a haircut, is the part of a brokerage or retirement balance the lender will not count. It varies by program, so plan on the lower number rather than the face value.
Cash-out proceeds from the subject property generally cannot serve as that same loan’s reserves. The logic is simple: the money did not exist before the loan. Rules vary by program.
Gift funds deserve a warning. Many programs restrict or prohibit them as reserves, so ask before you plan around a family contribution.
Duplex-Specific Questions
Does unit count change reserves? A duplex does not trigger reserves on its own. The loan size, leverage and borrower profile drive the grid. The second unit helps the rent side, which can lift your coverage, but it does not reduce the months required.
What if you live in one unit? A duplex bought as a house hack, with you in one unit, is typically an owner-occupied loan, not a DSCR loan. DSCR programs are built for non-owner-occupied investment properties. The reserve rules for owner-occupied jumbo loans are set by that lender’s own grid.
What about buying through an LLC? Many investors buy rentals in an entity, subject to lender program eligibility. Where the reserve funds must be titled can depend on the program, and the guarantor’s personal accounts are often the ones reviewed. Confirm that before you move money into or out of the entity.
Do other properties add months? On many files they do. Some lenders in the network add reserve months for other financed properties, and first-time investors may be asked for more. This is why scaling a portfolio is limited by liquidity as much as by coverage.
The property types that are not offered also matter if you are comparing duplexes. DSCR on manufactured homes, log homes and barndominiums is not offered in the network.
Where the General Rule Breaks
The 6-month and 9-month figures are typical, not universal. Several situations bend them.
- Refinances. Rate-and-term refinances at modest leverage can see reserves waived, as noted above. Cash-out files typically do not.
- Short-term rentals. If you plan to host guests, expect different terms. Purchases run up to 75% LTV, and refinances around 70%. Expect a 640+ score and about 12 months of hosting history, and the file is reviewed with the property’s own income.
- Foreign nationals. These borrowers often face reserves held in U.S. accounts and tighter leverage.
- Sub-1.00 coverage. Select lenders in the network will review coverage below 1.00, with leverage and terms adjusted. Reserves and cash down typically carry more weight on those files.
- Very large loans. Above $2,500,000, the network generally holds to 30-year fixed structures, and the reserve tier is the higher one.
For a deeper look at the highest tier, Lendmire’s piece on reserves and leverage on super jumbo DSCR rental loans covers it separately.
Term structures also change the payment basis. The spine is the 30-year fixed. Extended terms, interest-only periods and ARM structures are available through select lenders in the network. Each can alter the monthly payment and what the lender multiplies your reserve months against.
What the Decision Looks Like in Practice
Start with liquidity, not with the listing. Add the down payment, the closing costs and the reserve target, then compare the total with the cash you can document. If you come up short, you have a few paths.
1. Shrink the loan. A larger down payment or a lower price can drop you below the $1,500,000 tier. That can cut the reserve target by about a third.
2. Raise your score or lower your leverage. Better credit and lower LTV can open more flexible tiers.
3. Add documented liquid assets. Seasoned savings are cleaner than a late transfer.
4. Look at a different structure. Lenders in the network treat purchases, refinances and cash-out differently.
A larger down payment lowers the monthly payment and can lift the DSCR. It never erases leverage caps, credit floors, reserve rules or property eligibility.
One more caution. Many investors are asset-rich and cash-light. A big retirement balance or a large equity position looks strong on a net-worth statement, but the reserve test counts liquid dollars. Count only what you can document and spend.
Before you apply, gather two months of statements for every account you plan to count, with every page. Keep a written explanation for any large deposit. Avoid new debt or large transfers while the file is in review.
On the tax side, 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.
If you are weighing whether stated documentation or rental coverage fits your profile better, Lendmire’s comparison of bank statement and DSCR financing for a founder buying a rental shows the tradeoffs. For the full picture of how these loans work, see the complete DSCR loans guide.
Key Terms Defined
Reserves: verified liquid assets you still hold after paying the down payment and closing costs.
PITIA: the monthly payment made of principal, interest, taxes, insurance and association dues.
Jumbo loan: a loan larger than the conforming limit for that county and unit count.
Conforming limit: the maximum loan size eligible for purchase by the agencies, set by county and by number of units. Final terms depend on the lender’s guidelines, the property type, and the borrower’s complete credit picture.
LTV: loan-to-value, the loan amount divided by the property’s value.
Haircut: the share of a brokerage or retirement balance a lender will not count toward reserves.
DSCR: debt service coverage ratio, the property’s monthly rent divided by its PITIA.
Frequently Asked Questions
Can I use a jumbo loan on a duplex rental?
Yes, when the duplex is a non-owner-occupied investment property and the loan fits the program grid. A DSCR loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines. Standard programs run up to $3,000,000, and above $1,500,000 the reserve requirement typically steps up to about 9 months.
Do my other properties count toward reserves?
They can add to them. On many files, each additional financed property adds reserve months, and a few lenders in the network cap the total. The subject property’s PITIA is the base, so confirm how your portfolio size affects the number before you apply.
Does strong rent reduce my reserves?
Not directly. Rent helps you clear the coverage test, and a stronger ratio can improve leverage and pricing tiers. The reserve target is built from the monthly payment, and it only shrinks when the program itself reduces or waives it.
Do retirement funds count as reserves?
Often, at a discount. Many programs count only a portion of vested retirement and brokerage balances, and the percentage varies by program. Plan around the discounted value, not the statement total.
Can reserves be waived?
Sometimes. Conservative rate-and-term refinances at modest leverage under $1,500,000 can see reserves waived. Purchases and cash-out loans typically carry the full requirement, and every file is underwritten individually.
Next Steps
If you are buying or refinancing a rental property and want to see how the numbers work, Lendmire can help you compare DSCR loan options based on the property income, credit profile, leverage and investor goals. As a broker, it arranges financing through select lenders in its wholesale network across 41 markets, including Washington, D.C. Programs change, and qualification is subject to lender guidelines, credit approval and property review.
About Lendmire
Lendmire, NMLS# 2371349, is a mortgage brokerage focused on investor financing, arranging DSCR loans in 40 states plus Washington, D.C. — 41 markets total. Qualification is based on the property’s income rather than personal income documentation, subject to lender guidelines, making it a fit for LLC-held rentals and scaling portfolios. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.
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References
1. Calculated Risk: summary of federal conforming loan limits
2. Fannie Mae lender letter on conforming loan limits
3. Corporate Finance Institute: jumbo loan
This article is part of Lendmire’s DSCR loan program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: How Converting a Long-Term Rental to an Airbnb Affects Your Loan · How an Escrow Waiver Works on a Rental Loan · How a Short-Term Rental Loan Works on a Townhouse
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
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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.