What These Warranties Mean for Your Home Purchase
When you apply for a mortgage that Fannie Mae will eventually purchase, your lender makes three critical promises about your property. These warranties aren't just paperwork formalities. They create real financial consequences if your lender gets them wrong.
The value warranty means your lender stakes their reputation on the appraisal being accurate. If Fannie Mae later discovers the appraiser inflated the value or missed major issues that affected worth, they can force your lender to repurchase the entire loan.
Say you're buying a $400,000 home and the appraiser says it's worth exactly that amount. Your lender warranties this valuation is correct. If the home was actually worth $350,000 due to foundation problems the appraiser missed, Fannie Mae could make your lender eat the $50,000 loss plus any additional costs.
Property Condition Requirements You Need to Know
The condition warranty uses the Uniform Appraisal Dataset rating system. Properties rated C5 or C6 cannot qualify for Fannie Mae financing at closing. Here's what these ratings mean in practice.
C5 condition means the home has substantial damage or deferred maintenance that affects livability, soundness, or structural integrity. Think major roof leaks, non-functioning HVAC systems, or electrical hazards that require immediate attention.
C6 condition indicates the property is not suitable for occupancy and requires inspection by a qualified building inspector or structural engineer. These homes need major repairs before anyone should live there.
Your appraiser assigns the condition rating during their inspection. If they mark your property as C5 or C6, your Fannie Mae loan cannot close until you complete the necessary repairs and get a new appraisal showing improved condition.
Most purchase contracts include contingencies that let you back out if the home appraises in poor condition. But if you waive the appraisal contingency and the property comes back C5 or C6, you could lose your earnest money if you can't close.
The Marketability Standard Explained
The marketability warranty requires that typical buyers in your area would find the property acceptable. This goes beyond just condition to include factors like location, layout, and neighborhood compatibility.
A home might be in good physical condition but still fail the marketability test. Properties with unusual features, poor locations, or characteristics that limit the buyer pool can create problems.
Consider a home next to a sewage treatment plant or one with a highly unusual floor plan that appeals only to a narrow group of buyers. Even if structurally sound, these properties might not meet Fannie Mae's marketability standards.
Your appraiser evaluates marketability by comparing your property to recent sales in the area and considering whether it would appeal to the typical buyer demographic for that neighborhood.
Documentation Your Lender Reviews
Your lender doesn't just rely on the appraiser's word. They review the complete appraisal report to verify these warranties before closing.
The appraisal must include detailed condition ratings using the UAD system. The appraiser photographs both interior and exterior areas, documents any defects or needed repairs, and explains their condition rating.
For marketability, appraisers provide comparable sales analysis showing similar properties that sold recently in your area. They note any factors that might limit buyer appeal and explain how they adjusted for differences between your property and the comparables.
Your lender's underwriter reviews this documentation before approving the loan. They look for red flags that might indicate condition or marketability problems the appraiser missed or understated.
Why Fannie Mae Requires These Warranties
These warranties exist because Fannie Mae purchases loans from lenders without inspecting every property themselves. They need assurance that the collateral securing each mortgage meets their standards.
When lenders make these warranties, they accept financial responsibility for getting them wrong. This creates powerful incentives for careful appraisal review and conservative lending practices.
The system protects Fannie Mae's investors and ultimately helps keep mortgage rates lower for borrowers. Without these warranties, Fannie Mae would face higher risks and likely charge lenders more to purchase loans.
Common Problems That Trip Up Borrowers
Settlement timing can create warranty violations even when everything looks fine initially. If your closing gets delayed more than 120 days after your loan application, additional requirements kick in under [[Section 5604.3]].
Condition changes between appraisal and closing can also cause problems. If your home suffers damage from storms, vandalism, or other issues after the appraisal but before closing, the lender may need a new inspection to verify the condition warranty still holds.
Properties in declining neighborhoods sometimes face marketability challenges even when individual homes are well-maintained. If your area experiences significant economic disruption or environmental issues between contract and closing, this could affect the marketability warranty.
Unique or highly customized properties often present marketability concerns. Homes with swimming pools in cold climates, unusual architectural styles, or commercial-residential mixed use can be harder to warrant as acceptable to typical buyers.
References
For the official guidelines, see 5602.1: Collateral representations and warranties in the Fannie Mae Selling Guide.
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Original Freddie Mac Guideline Text
Bulletin 2025-7
, which announced the policy requirements for Uniform Appraisal Dataset (UAD) 3.6. Sellers may submit to the Uniform Collateral Data Portal
®
appraisal reports that use UAD 3.6 before the mandatory effective November 2, 2026 version of this section.
This section contains requirements related to:
Marketability warranty
In addition to all other representations and warranties specified in the Seller’s Purchase Documents, the Seller makes the following representations and warranties:
(a)
Value warranty
The Seller represents and warrants that the appraisal accurately reflects the market value of the Mortgaged Premises.
Section 5604.3
for information regarding requirements for Mortgages with Settlement Dates more than 120 days after the Note Date.
(b)
Condition warranty
As of the Settlement Date, the Seller represents and warrants that the Mortgaged Premises is not in C5 or C6 condition. For property types not required to utilize the Uniform Appraisal Dataset condition ratings, the Seller represents that the subject property is in a condition consistent with condition ratings C1 through C4.
(c)
Marketability warranty
As of the Settlement Date, the Seller represents and warrants that the Mortgaged Premises is acceptable to typical purchasers in the subject property’s Market Area.

