What Is a Perc Test—and Why Can It Make or Break a Land Purchase?By John S. Wagner, Affiliate Broker/Realtor®Weichert, Realtors® - Saxon ClarkServing Kingsport, Johnson City, Bristol,
Dated: June 24 2026
Views: 205
Buying a home is exciting, but before most buyers can get to the closing table, they have to qualify for a mortgage.
Many people assume that if they have a job and can afford the payment, getting approved should be simple. In reality, lenders look at several parts of your financial picture before deciding whether to approve the loan.
The good news is this: being denied or delayed for a mortgage does not always mean you can never buy a home. Often, it simply means there are issues that need to be corrected first.
Here are some of the most common things that can disqualify you from getting a mortgage.
Your credit score is one of the first things lenders review.
A low credit score does not always mean you cannot buy a home, but it can limit your loan options. Different loan programs have different credit requirements, and individual lenders may also have their own standards.
For example, FHA loans may allow lower credit scores than some conventional programs, but there are still minimum requirements. If a borrower’s credit score is too low, the lender may not be able to approve the loan.
Credit problems that may cause issues include:
Before you start house hunting, it is wise to review your credit and speak with a lender so you know where you stand.
Another major factor is your debt-to-income ratio, often called DTI.
Your debt-to-income ratio compares your monthly debt payments to your gross monthly income. Lenders use this number to help determine whether you can reasonably afford a mortgage payment on top of your existing debts.
Debts that may be counted include:
Even if your credit score is good, too much monthly debt can make it harder to qualify.
This is why buyers should be careful about taking on new debt before or during the homebuying process.
Lenders need to verify that you have enough income to repay the loan.
It is not enough to simply say you make a certain amount. Your lender will usually need documentation such as pay stubs, W-2s, tax returns, bank statements, or profit-and-loss statements if you are self-employed.
Income issues that may cause problems include:
Self-employed buyers can absolutely qualify for a mortgage, but documentation is especially important.
Changing jobs does not automatically disqualify you from getting a mortgage.
However, a recent job change can create problems depending on the situation.
A move to a similar job in the same field may not be a big issue. But switching to a different type of work, becoming self-employed, changing from salary to commission, or having gaps in employment may require more explanation and documentation.
Lenders want to see that your income is stable and likely to continue.
Some buyers focus only on the down payment and forget about closing costs.
In most real estate transactions, buyers may need money for:
Certain loan programs offer low down payment options, but buyers still need to be prepared for the full cost of buying a home.
If you do not have enough funds available, your loan approval could be delayed or denied.
This one surprises many buyers.
During the mortgage process, lenders often review bank statements. If there are large deposits that cannot be explained or documented, the lender may ask where the money came from.
That does not mean large deposits are automatically bad. But lenders need to verify that the funds are acceptable and not undisclosed borrowed money.
Examples that may need documentation include:
Before moving money around, it is smart to talk with your lender.
One of the biggest mistakes buyers make is opening new credit during the mortgage process.
Buying furniture, financing appliances, opening a new credit card, or purchasing a vehicle before closing can change your financial picture.
That new payment may increase your debt-to-income ratio. A new credit inquiry may affect your score. Either one could create problems for your loan approval.
A good rule of thumb is:
Do not open new credit, finance major purchases, or make large financial changes before closing without talking to your lender first.
A past bankruptcy or foreclosure does not always prevent someone from buying a home again.
However, there may be waiting periods before you can qualify for certain loan programs. The waiting period can depend on the type of bankruptcy, the loan program, the circumstances, and whether credit has been re-established.
If you have had a bankruptcy, foreclosure, short sale, or deed-in-lieu of foreclosure, speak with a lender early. They can help you understand what options may be available and what timeline may apply.
Sometimes the issue is not the buyer. Sometimes the property itself creates a problem.
A lender may not approve a mortgage if the property does not meet the loan program’s standards.
Property-related issues may include:
This is especially important with FHA, VA, and USDA loans, where property condition and eligibility requirements can be more specific.
An appraisal is the lender’s way of making sure the property supports the loan amount.
If the home appraises for less than the purchase price, it can create a financing problem.
When this happens, the buyer and seller may need to renegotiate, the buyer may need additional funds, or the transaction may not move forward unless another solution is found.
This does not always kill the deal, but it must be addressed before closing.
Mortgage approval requires paperwork.
If documents are missing, inconsistent, or inaccurate, the process can slow down quickly.
Buyers should be prepared to provide:
The faster you respond to your lender’s document requests, the smoother the process usually goes.
Never guess, hide, or misrepresent information on a mortgage application.
Lenders verify financial information, employment, assets, debts, and credit history. If something does not match, it can cause serious problems.
Always be upfront with your lender. It is better to explain an issue early than to have it discovered later in the process.
If you are not approved right away, do not panic.
Many buyers need time to prepare before purchasing a home. You may need to:
Sometimes the best first step is simply finding out where you stand.
One of the smartest things a buyer can do is speak with a lender before looking at homes.
A good lender can help you understand:
Getting pre-approved does not guarantee final loan approval, but it gives you a much stronger starting point.
There are many things that can disqualify you from getting a mortgage, including low credit, too much debt, unstable income, lack of funds, property problems, or major financial changes before closing.
But in many cases, these issues can be fixed with time, planning, and the right guidance.
If you are thinking about buying a home in the Tri-Cities area, do not wait until you find the perfect house to start preparing. Talk with a trusted lender early, understand your numbers, and work with a Realtor who can help you navigate the process.
If you are considering buying a home in Kingsport, Johnson City, Bristol, or the surrounding East Tennessee area, I would be happy to help you understand the process and connect you with local lending resources.
Weichert, Realtors®- Saxon Clark
Independently Owned and Operated
555 E. Main St Suite 101
Kingsport, TN 37660
Cell: 423-276-3392
Office: 423-765-9118
Email: WagsworldRealtor@gmail.com
Website: WagsworldRealtor.com
Let me help you find what you're looking for in your next home.
John is a dedicated real estate professional serving the Tri-Cities of Northeast Tennessee.John was born and raised in Kingsport, Tennessee, and is a graduate of Sullivan Central High School. Although....
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