How DU Decides Which Assets to Verify
Desktop Underwriter takes a smart approach to asset verification. It looks at all the liquid assets you entered in your loan application, calculates exactly how much money you need for the transaction, and then tells your lender which assets require documentation.
Say you're buying a $400,000 home with 10% down. You need $40,000 for the down payment, $8,000 for closing costs, and DU determines you need $3,000 in reserves. Your total funds needed are $51,000. If you have $75,000 in various accounts, DU will only require verification of $51,000 worth of assets. The remaining $24,000 becomes "excess available assets" that don't need documentation.
This system saves you time and paperwork. You don't have to document every single account if you have more money than needed.
What DU Considers Liquid Assets
DU recognizes specific asset types as liquid and available for your transaction. These include checking and savings accounts, money market accounts, certificates of deposit, stocks, bonds, mutual funds, and retirement accounts. Gift funds, proceeds from property sales, and the cash value of life insurance also qualify.
Stock options count as liquid assets, but only if they're vested. Trust accounts qualify if you have access to the funds. Bridge loan proceeds from selling your current home before closing are also considered liquid.
The key factor is accessibility. DU needs to know you can convert these assets to cash when needed for your transaction.
Assets That Don't Count
DU ignores non-liquid assets in its calculations. Your business net worth, unsecured borrowed funds, and cash deposits on sales contracts don't factor into the qualification equation. These assets don't require verification because DU doesn't consider them available for your mortgage transaction.
This distinction matters for business owners. Even if your company is worth $500,000, DU won't count that value toward your available funds. You'll need to show liquid assets separate from your business holdings.
Understanding Your DU Findings Report
Your DU findings report breaks down the asset picture into clear categories. "Total Available Assets" shows all liquid assets you entered. "Funds Required to Close" includes your down payment, closing costs, and any debts being paid off at closing. "Reserves Required to be Verified" shows the cash cushion DU wants you to maintain after closing.
The report then calculates "Total Funds to be Verified" by adding your closing funds and required reserves. Finally, it shows "Excess Available Assets" — money you have beyond what needs verification.
Here's a real example: You have $100,000 total available assets, need $60,000 to close, and DU requires $8,000 in reserves. Your total funds to be verified equal $68,000. The remaining $32,000 are excess assets that don't need documentation.
Reserve Requirements Vary by Risk
DU doesn't apply a one-size-fits-all reserve requirement. It analyzes your entire loan profile — credit score, debt-to-income ratio, loan-to-value ratio, and other risk factors — then determines appropriate reserves. A borrower with excellent credit and low debt ratios might need minimal reserves, while someone with marginal qualifications could face higher requirements.
Reserves can actually work in your favor. DU treats adequate reserves as a compensating factor that might improve your loan approval odds. If other aspects of your application are borderline, strong reserves could tip the scales toward approval.
Investment properties and second homes typically require higher reserves than primary residences. Multi-unit properties often need reserves equal to 2-6 months of mortgage payments, depending on the number of units.
Documentation Requirements
When DU requires asset verification, your lender will ask for specific documentation. Bank statements typically need to cover the most recent 2 months. Investment account statements should be current within 60 days. Retirement account statements need to show current balances and any loan balances against the accounts.
For gift funds, you'll need a gift letter from the donor plus documentation showing the funds' source and transfer. Sale proceeds from other properties require a settlement statement and proof the funds reached your account.
The lender will scrutinize large deposits in your accounts. Any deposit exceeding 50% of your monthly income needs explanation and documentation. This prevents borrowers from using undisclosed borrowed funds for their down payment.
Common Verification Challenges
Timing creates the biggest headaches in asset verification. Stock values fluctuate daily, so the balance on your statement might differ from the current value. Lenders typically use the statement balance, but significant drops could affect your qualification.
Retirement account access varies by plan type and your age. While 401(k) funds count as liquid assets, early withdrawal penalties might apply. Some lenders discount retirement balances to account for taxes and penalties, especially for borrowers under age 59½.
Gift funds require careful documentation. The donor must prove they have the funds and that the transfer represents a true gift, not a loan. Any last-minute gifts or unusual fund movements can delay closing while the lender investigates.
Business owners face extra scrutiny when personal and business funds intermingle. Lenders need clear documentation showing which funds belong to you personally versus your business. Regular transfers between accounts require explanation and supporting documentation.
Non-Occupant Borrower Assets
When a non-occupant borrower joins your loan — perhaps a parent helping with qualification — their assets can count toward the transaction. This is particularly relevant for loans requiring a minimum borrower contribution, where the non-occupant's funds can help meet that requirement.
DU includes both occupying and non-occupant borrower assets in its total available assets calculation. However, the non-occupant's assets must be properly documented and accessible for the transaction.
The non-occupant borrower's assets follow the same verification requirements as the primary borrower's funds. They'll need to provide bank statements, investment account documentation, and explanations for any large deposits or transfers.
References
For the official guidelines, see B3-4.4-01: DU Asset Verification in the Fannie Mae Selling Guide.
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Original Fannie Mae Guideline Text
B3-4.4-01, DU Asset Verification (12/16/2020)
Reserve Requirements
Asset Values in the DU Underwriting Findings Report
Non-Occupant Borrower Asset Requirements
Liquid Assets
DU analyzes the value of liquid assets entered in the loan application in its risk assessment. Assets may be excluded from the loan application if the borrower can qualify without them.
DU considers the following assets liquid assets: Bonds, Bridge Loan Proceeds, Cash-on-Hand (for certain HomeReady loans only), Cash Value of Life Insurance, Certificate of Deposit, Checking, Gift (not deposited), Gift of Equity, Grant (not deposited), Individual Development Account, Money Market, Mutual Fund, Net Equity, Other Liquid Asset, Proceeds from Real Estate Property to be sold on or before closing, Proceeds from Sale of Non-Real Estate Asset, Retirement, Savings, Secured Borrowed Funds, Stocks, Stock Options (vested), and Trust Account.
Note: Some of these asset types may not be available in the lender’s loan origination system.
Non-Liquid Assets
DU does not consider the amount of non-liquid assets. Non-liquid assets do not have to be verified, and will not be identified in a verification message.
DU considers the following assets non-liquid assets: Cash Deposit on Sales, Net Worth of Business, Other Non-Liquid Asset, and Unsecured Borrowed Funds.
Note: Some of these asset types may not be available in the lender’s loan origination system.
Reserve Requirements
For loan casefiles underwritten with DU, DU will determine the reserve requirements based on the overall risk assessment of the loan casefile and the minimum reserves that may be required for the transaction. Reserves may be considered a compensating factor in DU's risk analysis, and may serve to improve the underwriting recommendation.
Refer to the following topics for additional requirements related to minimum reserves:
Asset Values in the DU Underwriting Findings Report
The DU Underwriting Findings report will identify the following values:
Total Available Assets: the total of all borrower(s)’ liquid assets entered into DU;
Funds Required to Close: includes the cash needed to complete the transaction plus any debts marked paid by closing on purchase or limited cash-out refinance transactions, other than subject property mortgage(s);
Reserves Required to be Verified: the amount of reserves that must be verified;
Total Funds to be Verified: the sum of Funds Required to Close and Reserves Required to be Verified; and
Excess Available Assets, not required to be verified by DU: liquid assets that DU is not requiring the lender to verify.
The Excess Available Assets, not required to be verified by DU (Excess Available Assets) amount represents the amount of assets remaining after subtracting the Total Funds to be Verified from the Total Available Assets. Excess Available Assets do not generally need to be verified.
Non-Occupant Borrower Asset Requirements
Assets that are owned by a non-occupant borrower can be included in the 5% minimum borrower contribution requirement (when applicable), and those funds must be entered in the loan application. Total liquid assets for the occupying borrower and non-occupant borrower are included in DU’s calculation of total available assets.

