The fixed rate for 30 years is currently around 6.6%. This is based on Freddie Mac PMMS as of July 2026. This number directly affects the amount you pay each month. Before deciding how much to set for the down payment, you need to understand this trend first.

The housing value in West Covina is $773,122 according to Zillow. A 3.5% down payment is $27,059. A 5% down payment is $38,656. A 10% down payment is $77,312. A 20% down payment is $154,624. As the percentage increases, the initial cash burden also increases.

There are three main things to check. First, the down payment percentage and whether PMI applies. If it's less than 20%, PMI will be required. If it's 20% or more, there will be no PMI. Second, your credit score. Third, your DTI.

Let's start with the credit score. A score above 780 gets you a 30-year fixed rate of 6.59%. A score in the 760s is 6.66%. In the 740s, it's 6.75%. In the 700s, it's 6.91% (themortgagereports.com, as of July 2026). Even a one-point difference in score can lead to a different interest rate.

You also need to consider DTI. According to the Consumer Financial Protection Bureau, the back-end DTI should be 43% or lower. The front-end DTI should ideally be below 28%. You should reduce credit card balances in advance and check for any auto loans.

Do not open new loans just before closing. Avoid changing jobs as well. Prepare income documentation for the last two years. Get pre-approved in advance. Following these four steps will reduce the chances of issues during the review process.

You should also check property taxes. The average effective tax rate in Los Angeles County is around 0.69% (propertytaxrates.org, as of 2026). The overall average for California is 0.71%. Local bonds can increase this rate.

It's worth checking support programs as well. The CalHFA MyHome Assistance Program offers subordinate loans up to 3.5% of the purchase price. This can be used for down payments or closing costs. It is settled at the time of sale or refinancing and does not count as debt in monthly payments. The requirements include a credit score of 660 to 680 or higher and completion of homebuyer education.

Sometimes, you may receive down payment assistance from family. In this case, you need to prepare gift documentation. If a large amount suddenly appears in your bank statement, the lender will ask about the source. Preparing this in advance will prevent delays in the review process.

Within West Covina, the age of listings and school districts vary by neighborhood. Even with the same budget, the ability to adjust the down payment percentage can differ depending on the neighborhood. Check school ratings on GreatSchools or Niche. Boundaries change frequently, so verify the assigned school before purchasing.

Leave some reserves after closing. You should not use all your cash for the down payment. Moving costs and repair expenses may arise. Make sure to set aside enough to cover a few months of mortgage payments.

If you receive part of the down payment from family and utilize it with CalHFA, the initial entry barrier is lowered. However, if you exceed the income limits, you will not qualify for CalHFA. Dual-income households should check the income limits first. If a large amount appears in your bank statement, the lender will ask about the source. Prepare gift documentation in advance.

Get pre-approved before making an offer. This clarifies your budget range. It also helps you remain steady when viewing properties. It builds trust with sellers. Organizing your income documentation, credit score, DTI, and reserves in advance is the simplest way to maintain your approval rate.

In summary, the down payment percentage considers both cash availability and PMI burden. Approval rates depend on credit score, DTI, reserves, and stable income documentation. Preparing these four factors in advance will reduce the chances of issues during the review process.

This information is not investment or legal advice. Actual loan terms may vary based on individual circumstances. Please consult a mortgage professional before making any agreements.