Mortgage underwriting is an essential part of the home buying process. It’s the process lenders use to determine whether a potential borrower can properly qualify for a loan and, if so, how much they should be able to borrow. The purpose of mortgage underwriting is to ensure that borrowers are responsible and qualified enough to make their monthly payments on time. In this article, we’ll cover the basics of mortgage underwriting and explain its role in the home buying process.

Understanding Mortgage Underwriting
Mortgage underwriting involves a lender reviewing a potential borrower’s income, assets, and credit score to determine if they would be a good
An underwriter plays an essential role in the home buying process by assessing a borrower’s financial situation and determining whether or not they qualify for a loan. Generally, lenders will look at factors such as income, credit history, assets, debt-to-income ratio (DTI), and employment history to assess whether or not a borrower is suitable for a loan.
When assessing a potential borrower’s financial situation, an underwriter will review documents such as pay stubs, W2 forms, bank statements, tax returns, and credit reports to make an informed decision about the borrower’s ability to repay the loan.
Once the underwriter has reviewed all of the necessary documents and information, they will recommend to the lender whether or not the borrower should be approved for a loan. The final decision rests with the lender, who will consider an underwriter’s recommendation before making their decision.
The Mortgage Underwriting Process
Mortgage underwriting is a crucial step in securing a home loan. It’s the process by which lenders evaluate the risk of lending money to a potential homebuyer. In essence, underwriters assess whether you’re a good candidate for a mortgage based on your financial history and current situation. There are two primary types of mortgage underwriting: manual and automated. Both have pros and cons; understanding these can help you navigate the home buying process more effectively.
Manual Underwriting
Manual underwriting is carried out by skilled underwriters who meticulously review the borrower’s credit and financial background details. This includes evaluating the borrower’s credit history, income, payment history, and other relevant financial information.
The strength of manual underwriting lies in its flexibility. Underwriters can take a more nuanced view of a borrower’s financial situation, considering circumstances that automated systems might overlook. For instance, they might approve a loan for someone with a low credit score but a strong recent payment history.
However, manual underwriting can be more time-consuming because it relies heavily on human intervention. It also introduces the risk of subjectivity in the mortgage underwriting process, as different underwriters may interpret the same information differently.

Automated Underwriting
Automated underwriting, on the other hand, leverages software-driven algorithms to assess borrower data. These sophisticated systems can quickly process large volumes of mortgage applications, making decisions swiftly and objectively with minimal human intervention.
Automated underwriting has several benefits. It’s fast, reliable, and capable of handling a broad range of eligibility criteria. It also eliminates the potential for human bias or error in the underwriting process.
However, its reliance on algorithms means it may not capture the full picture of a borrower’s financial situation. For example, an automated system might overlook someone with a slightly lower income but substantial savings.
Both manual and automated underwriting methods play an integral role in the mortgage application and approval process. The choice between the two often depends on the borrower’s unique financial situation and the lender’s capabilities and policies. Understanding these types of underwriting can empower you as a borrower, providing insight into what to expect when applying for a mortgage.
Criteria for Mortgage Underwriting
Mortgage underwriting is a critical process determining whether a potential borrower is eligible for a loan. This process involves an in-depth analysis of the borrower’s financial health, looking at several key factors. Here, we’ll delve into three of the most important criteria: credit score, debt-to-income ratio, and employment history.
Credit History
Your credit score is often the first thing mortgage underwriters look at when evaluating your loan application. This three-digit number reflects your creditworthiness based on past and present financial behavior.
A high credit score indicates a history of managing your debts responsibly, making you more attractive to many lenders. On the other hand, a low credit score can be a red flag, indicating that you may be a risky borrower.
Payment history is a significant part of your credit score. Regular, timely payments on past loans and credit cards can boost your score, while late payments, defaults, or bankruptcies can significantly damage it. Maintaining a good credit score can open the door to mortgage approval and better loan terms.
Debt-to-Income Ratio
Your debt-to-income ratio (DTI) is another critical factor in the mortgage underwriting process. This ratio compares your gross monthly income to your monthly debt obligations. Lenders use this ratio to assess your ability to manage monthly payments and repay borrowed money.
Typically, lenders prefer a DTI ratio of 36% or less, although some may allow higher ratios under certain circumstances. A lower DTI ratio indicates a good balance between your income and debt, which can increase your chances of loan approval.

Employment History
Finally, let’s talk about your employment history. Lenders look favorably upon stable, consistent employment because it indicates a reliable source of income, which increases the likelihood that you’ll be able to make your mortgage payments.
Typically, lenders like to see at least two years of steady employment. However, this doesn’t necessarily mean you need to be with the same employer for two years. Job changes within the same industry that result in equal or increased income are generally not seen as negative.
Assets on Hand
Another critical component that underwriters consider during the mortgage approval process is your assets on hand. These assets can include savings accounts, investments, real estate, and other tangible properties that have value.
The primary reason underwriters look at your assets is to ensure you have enough funds to cover the down payment, closing costs, and a few months’ worth of mortgage payments, also known as reserves. Having these funds readily available shows the lender that you are financially prepared for the responsibility of a mortgage.
In addition, many lenders will also use your assets to calculate the asset depletion rate, which can be used as a form of income when qualifying for a mortgage. This is particularly useful for retirees or those who don’t have a regular income but possess substantial assets.
Moreover, having significant assets can sometimes offset risk factors such as a high debt-to-income ratio or a less-than-stellar credit score. For instance, a borrower with a large amount of assets but a low credit score may still be considered for a mortgage because the assets provide a level of security for the mortgage lender.
Other Factors That a Mortgage Underwriter Will Consider
Mortgage underwriting is a comprehensive process that assesses a borrower’s ability to repay a loan. The critical factors considered include the borrower’s credit score, which reflects their history of managing debt; the debt-to-income ratio, which measures the borrower’s financial obligations against their income; employment history, which indicates income stability; and assets on hand, which can cover down payments, closing costs, and unexpected expenses.
In addition to these primary factors, the underwriter will also consider the purchase price and Loan-to-Value Ratio (LTV), the percentage of the home’s value that will be financed with a mortgage. Lower LTV generally means less risk for the lender. They also take note of any additional savings beyond what is needed for down payment and closing costs, as this can act as a safety net in times of financial strain.
The type and appraised value of the property are also evaluated since they can affect the terms of the mortgage. Moreover, broader market conditions, including interest rates and the state of the housing market, can influence the underwriting process. A stable residence history can be beneficial, while frequent moves might raise concerns. Finally, past financial difficulties such as bankruptcy or foreclosure can significantly impact a borrower’s ability to secure a mortgage.
Understanding these key criteria can help you better prepare for the mortgage underwriting process. By improving these areas, you can enhance your chances of securing a mortgage loan with favorable terms.

Documentation for Mortgage Underwriting
The underwriting process is where you will be peppered with requests for documents. Buyers will often become frustrated with this part of the mortgage process, but it is one of the most essential steps. The underwriter must document everything so that if anything ever happens with the loan (such as default), they can go back to the file and show why they felt the loan was good to be approved.
Although it can require a lot of back and forth and scanning and emailing documents, you should focus on each task given to you and produce the required documents as quickly as possible. Too many holdups can create a bottleneck effect and push your closing date back substantially.
Here are some of the common documents you will be requested to send to the lender and their underwriter.
- Tax Returns: Usually, you’ll need to provide the last two years of federal and state tax returns, along with W-2s or 1099s.
- Bank Statements: Lenders typically request the last 60 days of statements for all checking and savings accounts.
- Pay Stubs: Bring at least a month’s worth of recent pay stubs to verify your income.
- Employment Verification: This could include a letter from your employer confirming your employment and salary. Some lenders may also contact your employer directly.
- Asset Statements: If you have investments, retirement accounts, or other assets, provide the most recent statements for these.
- Existing Loan Information: If you currently have any loans (auto, student, personal), bring along statements showing your balance and monthly payments.
- Identification Documents: A valid driver’s license, passport, or other government-issued ID.
- Purchase Agreement: If you’re buying a home, the lender will want to see your purchase agreement.
Remember, the exact documents required may vary depending on the type of mortgage and the lender’s specific requirements.
Verification Process
Underwriters use various tools and processes to verify the accuracy of the information borrowers provide. They’ll check your credit score and credit report to verify your debt and payment history. They will also corroborate your employment history with your employer or use databases that track employment data.
For income verification, underwriters often use your tax returns and pay stubs. They may also contact your employer directly or use third-party verification services.
To confirm your assets, underwriters review your recent bank statements and asset statements. Sometimes, they might also require additional documentation or explanations for large or unusual deposits or withdrawals.
If underwriters find discrepancies or have concerns about the information provided, they may request additional documentation or clarification. In some cases, serious doubts or issues could lead to the denial of the loan application.

Factors Influencing the Length of the Underwriting Process
The underwriting process can vary in duration due to several factors. One primary factor influencing the duration is the underwriting method used – automated or manual. Automated underwriting is typically faster but may not be as thorough as manual underwriting, which can take longer.
In loan underwriting, the underwriter needs to determine the likelihood of whether a loan will be repaid. The process involves evaluating a borrower’s history and the asset for which they’re requesting a loan. Each of the documents, and the information they provide, must be cross-referenced and verified to ensure the underwriter is getting a complete picture of the borrower and the property they are buying.
If additional information is required during the process, the underwriter may need to request further documents or an explanation letter addressing any questions they have, and this can prolong the process.
The complexity of the loan comes into play here as well. Some loan products function differently than others, and this can contribute to the length of time needed. Every lender has their own policies and guidelines, so what one might breeze through, another might require a deluge of paperwork to get through – each loan comes with its own requirements.
As we mentioned, getting documents turned in quickly is vital to keeping the underwriting process moving. It also makes underwriters happy – and like anything, you’ll always do better when the person you’re working with is in a good mood. Frustrate your underwriter with slow delivery or not providing what they ask for, and you can guarantee they’re not going to stay a bit late on a Friday night to wrap up your file and get it approved.

Final Thoughts
The underwriting process is a pivotal phase in the journey toward loan approval. It necessitates that borrowers furnish a diverse array of documents for meticulous examination. Such commonly requested items encompass tax returns, bank statements, pay stubs, employment verification, and asset statements. Additionally, details about existing loans, valid identification documents, and purchase agreements are typically required.
Underwriters bear the responsibility of meticulously documenting every aspect of this process. This diligence ensures that there is a comprehensive record justifying the initial approval in the event of any unforeseen circumstances, such as loan default. This detailed file serves as a testament to the credibility of the loan, providing clear evidence of why the loan was deemed viable for approval.
Prompt responsiveness is key for borrowers when additional documentation or clarification is requested. This proactive approach keeps the mortgage application process progressing smoothly and helps circumvent any potential delays in loan closure. By understanding and adhering to these requirements, borrowers can facilitate a seamless underwriting process, paving the way for a successful loan agreement.
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