Mortgage underwriting can take anywhere from several business days to a few weeks, but there is no standard industry deadline.
The timeline depends on the lender's workload, your financial profile, the property and how quickly outstanding conditions are resolved.
Underwriting is only one stage of the larger mortgage process. Understanding what mortgage underwriting involves makes the timeline easier to follow.
It also comes after earlier steps such as application and, for many borrowers, mortgage preapproval.
Mortgage Underwriting Timeline
There is no Fannie Mae, Freddie Mac or federal rule saying an underwriter must complete a mortgage review within a specific number of days.
A lender can move a straightforward file through underwriting relatively quickly, while a complicated file can require multiple reviews.
| Stage |
What Happens |
What Can Affect Timing |
| File preparation |
The processor collects and organizes documents for underwriting |
Missing income, asset, property or insurance information |
| Initial underwriting |
The underwriter reviews the borrower, loan and property |
Lender workload and complexity of the file |
| Conditions issued |
The lender identifies remaining documentation or requirements |
Number and complexity of conditions |
| Borrower or third-party response |
Requested documents and explanations are submitted |
How quickly information can be obtained |
| Condition review |
The underwriter determines whether the submitted items clear the conditions |
New questions or incomplete documentation |
| Final approval |
Remaining underwriting requirements are satisfied |
Final employment, credit, asset or property checks |
| Clear to close |
The file moves into the final closing process |
Closing Disclosure timing and remaining closing requirements |
Some files move through these stages once.
Others go back to underwriting more than once because a document answers one question but creates another.
That does not automatically mean the loan is in trouble.
Purchase vs. Refinance Underwriting
Purchase and refinance underwriting review many of the same borrower-level factors, including income, debts, credit and assets when applicable.
The transaction itself is different.
A purchase involves a sales contract, seller, purchase price and transaction deadlines.
A refinance does not have a purchase contract, but the lender still has to evaluate the existing property, current liens and the eligibility of the new mortgage.
Neither transaction is automatically faster.
A straightforward refinance can move quickly, but an appraisal, title problem, income issue or complex loan structure can extend the process.
The same is true for a purchase.
Conditions Are a Common Source of Added Time
After the initial underwriting review, the lender may issue conditions.
A condition is an item that has to be documented, corrected or verified before the loan can move forward.
Examples include an updated bank statement, proof of homeowners insurance, an explanation of a recent credit inquiry or additional income documentation.
A conditional approval means the underwriter has reviewed the file but still needs specified requirements satisfied.
The timeline depends partly on how quickly those items can be provided.
A paystub might be available immediately. A title correction, updated appraisal or document from an employer can take longer.
Conditions Can Create Multiple Reviews
Submitting a condition does not necessarily mean the file is finished.
The underwriter may review the new document and determine that another item is needed.
For example, an updated bank statement might contain a large deposit that needs to be documented.
An employment verification could show a recent change in pay structure that requires additional income analysis.
This back-and-forth is one reason underwriting time varies so much between borrowers.
Appraisal Timing Can Affect the Mortgage Timeline
Property valuation can move alongside underwriting rather than waiting for underwriting to finish.
When an appraisal is required, the lender generally cannot complete all collateral-related underwriting until the necessary appraisal information is available.
Turn time depends on appraiser availability, location, property complexity and whether additional work is required.
A unique or rural property can take longer to appraise than a property with numerous recent comparable sales nearby.
If the appraisal comes in below the purchase price, an appraisal gap can also require changes to the transaction or loan structure before underwriting can continue.
Some Loans Do Not Require a Traditional Appraisal
Not every conventional mortgage requires an appraisal.
Fannie Mae's current value acceptance rules allow certain Desktop Underwriter casefiles to proceed without an appraisal when all eligibility requirements are met.
The lender cannot simply waive an appraisal by choice. The casefile has to receive an eligible value acceptance offer and meet the applicable requirements.
What Can Slow Mortgage Underwriting Down?
Delays usually come from a file requiring more verification rather than from one specific underwriting rule.
Slow Document Responses
An underwriting condition remains open until the lender receives what it needs and determines that the response is sufficient.
Missing pages, screenshots instead of full statements or incomplete explanations can create another round of requests.
Self-Employment and Variable Income
Income that changes from month to month generally requires more analysis than a fixed salary.
That can include self-employment, bonuses, commissions and overtime.
For example, commission income can require the lender to review its history and trend rather than simply use the most recent month's earnings.
The same principle applies to overtime income.
A New Job or Employment Change
Changing employers during the mortgage process does not automatically make a loan ineligible.
But it can require the lender to reevaluate the income being used to qualify you.
The effect of starting a new job during the mortgage process depends on the compensation structure, start date and applicable loan requirements.
Asset Questions
Large deposits, recently transferred funds, gifts and money moving between accounts can require documentation.
The lender has to establish that funds used for closing and required reserves come from eligible sources.
A clean paper trail generally makes this easier.
Property or Title Problems
Underwriting can also be delayed by title defects, property-condition questions, insurance issues or problems with condominium eligibility.
Those issues may depend on third parties, which means the borrower cannot always resolve them immediately.
Documents to Have Ready
The exact documents required depend on the borrower and mortgage program.
Do not assume every lender will request the same fixed number of paystubs, statements or tax returns.
Common documentation can include:
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