7 Mistakes You’re Making with Your Mortgage Application (And How to Fix Them)

by rony@reazrealty.com | May 14, 2026 | Uncategorized | 0 comments

Buying a home in Buena Park, Cerritos, or anywhere in Southern California is a high-stakes game. You’ve spent months, maybe years, saving for a down payment, browsing listings on Zillow, and dreaming of the perfect backyard. But here is the cold, hard truth: even if you have the cash and a great Real Estate Agent, […]

Buying a home in Buena Park, Cerritos, or anywhere in Southern California is a high-stakes game. You’ve spent months, maybe years, saving for a down payment, browsing listings on Zillow, and dreaming of the perfect backyard. But here is the cold, hard truth: even if you have the cash and a great Real Estate Agent, a single "oops" on your mortgage application can kill your deal faster than a low-ball offer.

The mortgage process is like a financial physical. An underwriter (the person at the bank who decides if you're "healthy" enough for a loan) is going to poke and prod every corner of your bank statements and credit report. At Maya Team Inc, we see well-meaning buyers make the same handful of errors every single month.

If you want to move from "applicant" to "homeowner," you need to avoid these seven common traps. Here is what they are and, more importantly, how to fix them.


1. Window Shopping Without a Pre-Approval

The Mistake: Many first-time homebuyers start by touring homes and falling in love with a property before they’ve even spoken to a mortgage broker. They assume that because they have a "good" salary, the bank will automatically give them whatever they need.

Why it’s a problem: In a competitive market like Cerritos, a seller won't even look at your offer without a pre-approval letter. More importantly, you might be looking at $800,000 homes when you only qualify for $700,000.

The Fix: Before you step foot in an open house, get a formal pre-approval. This isn't just a "pre-qualification" (which is a quick chat about your income); a pre-approval involves a hard look at your credit and income documents. At Banc One Mortgage, we help you understand exactly what your budget is so you don't waste time on homes you can't afford.

First time homebuyer couple consulting a mortgage broker about their pre-approval and budget at Banc One Mortgage.


2. Opening New Credit Lines During Escrow

The Mistake: You’re excited about the new house, so you go to a furniture store and open a "0% interest for 24 months" credit card to buy a new sofa. Or maybe you lease a new car because you want it to look good in the new driveway.

Why it’s a problem: Your mortgage is approved based on your Debt-to-Income (DTI) ratio. This is the percentage of your gross monthly income that goes toward paying debts. If you add a $500 monthly car payment or a new credit card balance, your DTI might jump too high, causing the lender to revoke your loan approval just days before closing.

The Fix: STOP. Do not apply for any new credit, no cars, no furniture, no "store cards" to save 10% on a toaster, until the keys are in your hand and the loan has funded. If you absolutely must make a large purchase, talk to your loan officer first.


3. Playing "Musical Chairs" with Your Employment

The Mistake: You decide that since you're buying a house, it's the perfect time to quit your corporate job and start that consulting business you’ve dreamed of. Or, you switch from a salaried position to a commission-only role.

Why it’s a problem: Lenders crave stability. They usually want to see a two-year history in the same line of work. If you switch from a steady salary to 100% commission, the lender might not be able to "count" that new income for two years because it’s no longer guaranteed.

The Fix: Stay put. If you’re planning a career move, try to do it after you close on your home. If a move is unavoidable (like a promotion or a lateral move in the same industry), keep every single paystub and offer letter to prove your income is stable.


4. Making "Mystery" Large Deposits

The Mistake: You have $10,000 in cash "under the mattress" or a relative gives you a large cash gift for your down payment, and you deposit it into your bank account a week before applying for the loan.

Why it’s a problem: Underwriters are required by law to prevent money laundering. They need to see a "paper trail" for every dollar you use for your down payment. If $10,000 suddenly appears in your account without a clear source, they can't use it toward your home purchase.

The Fix: "Season" your funds. Lenders typically look at the last two months of bank statements. If the money has been in your account for more than 60 days, it's considered "seasoned" and won't be questioned. If you are getting a gift, ensure it is documented with a "Gift Letter" and a clear paper trail from the donor’s account to yours.

Banc One Mortgage Logo


5. Hiding Debt or Financial Liabilities

The Mistake: You "forget" to mention that you’re co-signed on your sister's car loan, or you don't list an old student loan because it's currently in deferment.

Why it’s a problem: You can’t hide from the credit report. Lenders will find every debt tied to your Social Security number. If you hide it, it looks like fraud, which is a fast track to a denied application. Even if a loan is in deferment, the lender often has to calculate a "placeholder" payment (usually 0.5% or 1% of the balance) into your DTI.

The Fix: Be 100% transparent. Tell your mortgage broker everything. Often, there are ways to work around co-signed loans (like proving the other person has made the last 12 payments) or specific programs for student loans. Honesty allows us to find the right solution before it becomes a problem.


6. Ignoring the "Hidden" Closing Costs

The Mistake: A first-time homebuyer saves $30,000 for a down payment on a $600,000 FHA loan (3.5% down = $21,000). They think they have $9,000 left over for renovations.

Why it’s a problem: They forgot about Closing Costs. In California, closing costs (taxes, escrow fees, title insurance, appraisal, etc.) typically range from 2% to 5% of the purchase price. On a $600,000 home, that could be an extra $12,000 to $18,000 you didn't plan for.

The Fix: Ask for a "Loan Estimate" early on. This document breaks down every fee so you know exactly how much "cash to close" you actually need. You can also look into Down Payment Assistance programs like those offered by CALHFA, which can help cover these costs. Check out our resources at nas.com/mayateaminc to see if you qualify for help.

CALHFA MyHome Assistance Flyer


7. Falling for "Too Good to Be True" Interest Rates

The Mistake: You see an ad online for a rate that is 1% lower than everyone else, so you jump on it without reading the fine print.

Why it’s a problem: Usually, those ultra-low rates come with "discount points" (prepaid interest that costs you thousands upfront) or high "junk fees" hidden in the closing costs. A "cheap" rate can actually end up being the most expensive loan over five years.

The Fix: Compare the APR (Annual Percentage Rate), not just the interest rate. The APR includes the interest rate plus the fees, giving you the true cost of the loan. Also, consider the type of loan. For some, an FHA loan is better because of the low down payment; for others, a Conventional loan saves money on mortgage insurance.

Banc One FHA Mortgage Flyer


Technical Terms You Need to Know

If you're feeling overwhelmed by the jargon, here’s a quick "cheat sheet":

  • DTI (Debt-to-Income Ratio): Your monthly debt payments divided by your gross monthly income. Most lenders want this under 43-45%.
  • FICO Score: Your credit score. Higher scores usually mean lower interest rates.
  • Underwriting: The process where the lender verifies your income, assets, and debt to make a final "yes/no" decision.
  • LTV (Loan-to-Value): The amount of the loan compared to the value of the home. If you put 10% down, your LTV is 90%.

How to Get Your Application Approved the First Time

The secret to a stress-free mortgage isn't having a perfect credit score; it's having a perfect plan. Whether you are looking for FHA loans, Conventional loans, or specialized CALHFA Loans with down payment assistance, the Maya Team Inc and REAZ Realty are here to guide you.

We don't just sell houses; we coach you through the financial hurdles so you can build long-term wealth. If you’re ready to stop guessing and start planning, let's chat.

Ready to start your journey?
Visit us at nas.com/mayateaminc for more tips, or contact Rony Velasquez at Maya Team Inc / Banc One Mortgage today. Let's get you into your new home without the headaches!

Rony Velasquez of Maya Team Inc standing in front of a sold Buena Park home as an expert real estate agent.