How to Choose a Mortgage Lender

Choosing a home to buy takes hours of scrolling through Zillow and debating over floor plans. While buyers obsess over the number of bathrooms, they often overlook a critical step: choosing a mortgage lender.

A good lender saves you money, but getting it wrong can cost you thousands. A mere 0.25% difference—from 6.5% to 6.75%—in your annual percentage rate (APR) can translate to over $20,000 in extra costs on a $400,000 home.

And it’s not just about the rate. Many buyers fear the surprise of closing day—landing on a specific quote early on, only to find that the terms have changed drastically, and their lender stayed silent.

Learn here how to choose the right lender, what to look for beyond the interest rate, and the essential questions to ask.

Prepare your finances

Before interviewing lenders, have your finances in order and be ready to answer their questions while providing the necessary documents.

• Check your credit: Aim for a credit score of 740+ to unlock the best terms and interest rates. You’re entitled to one free credit report a year at AnnualCreditReport.com. 
• Calculate your debt-to-income (DTI) ratio: Add all your monthly debt payments (credit cards, student loans, car loans) plus your potential mortgage payment and divide the total by your gross monthly income. A DTI of 36% or lower is considered ideal.
• Gather some paperwork: A standard list includes your ID, pay stubs, tax returns for the last two years, assets and bank statements, and employment history.

Of course, you can apply for a mortgage with less-than-perfect credit or a higher DTI; just try to improve your situation before you apply. For example, a 20-point jump in your credit score can save you thousands in interest over the life of the loan.

According to Experian, borrowers with a credit score of 700 pay $34 less per month than those with a 680 on a $350,000 mortgage. Over 30 years, this 20-point difference saves $12,240.

Know your options: Main types of lenders

Before you jump into choosing the best lender, it’s important to understand the types available in the current market.

Direct lenders

These are lenders who use their own funds to provide the mortgage. They handle the entire process, from application to funding, in-house. These are often the first option to look into for buyers with standard requirements:

• Retail banks: Large national banks (e.g., Chase, Bank of America) that offer mortgage products alongside checking or savings accounts. You may qualify for relationship discounts if you already have significant assets with them.
• Online lenders: Digital-first platforms that may offer a fully virtual process and no branches for in-person service. If you have a straightforward financial situation and prioritize managing everything via an app, they offer speed and convenience.
• Credit unions: Member-owned, not-for-profit organizations. You need to qualify to become a member; for example, some credit unions are available only to members based on location, occupation, or veteran status. They aren’t profit-driven; they often offer lower rates and fees and more personalized, member-focused service.

Mortgage brokers

Mortgage brokers are licensed professionals who connect homebuyers with the right lenders for a small fee (usually 1-2% of the loan amount). They have access to multiple lenders’ options, can provide you with professional expertise, and negotiate on your behalf to secure lower rates and better terms.

Brokers provide efficient comparison shopping and ease for first-time buyers or those with complex financial situations. For example, borrowers with significant assets but no traditional paycheck or those with multiple income streams.

Lenders can also be grouped by how they service your loan and communicate with borrowers after the papers are signed. For example, a credit union can act as a correspondent lender or a portfolio lender (or both).

• Portfolio lenders: A lender who originates the loan and keeps it on their own books, which gives them more flexibility to offer non-conforming loans for unique situations and non-standard buyers.
• Wholesale lenders: These institutions offer their products through mortgage brokers or credit unions, and since they don’t invest in retail storefronts, they can often pass along savings in the form of lower interest rates. 

Where to find a reliable mortgage lender

Finding the right lender is more than just clicking the first sponsored link on a Google search results page. To get the best perspective, combine a few resources. Ask your real estate agent for referrals, and make sure to reach out to friends or family; they can give you honest feedback on what went well and point you toward lenders to avoid. 

Combine this with a thorough online search and check reviews. Be sure to visit the NMLS Consumer Access portal to verify every mortgage lender and loan officer before sharing any personal information (especially when dealing with smaller lenders).

Ryann Bryer, a real estate agent from City Lights Home Buyer, warns, “Avoid red flag lenders that use vague language and are slow to get back with you.”

Calculate the total loan cost beyond the rate

Some borrowers consider the interest rate the single most important factor when choosing a lender. While important, it doesn't paint the full picture. 

As Ryann Brier recommends, “Borrowers should always keep track of offers and focus on the entire cost structure of the loan, not just the rate." He adds that the CFPB’s home-loan toolkit is a "great in-depth resource for buyers to keep track of lender quotes."

Here is what to consider to understand the full cost of your loan:

The APR vs. the interest rate

The interest rate is based only on your actual monthly principal and interest payment. Instead, the APR reflects the total annual cost of your loan, and includes lender fees, origination fees, private mortgage insurance (PMI) fees and more, on top of the interest rate.

“According to the CFPB, the difference between the advertised rate and the actual cost of the loan through fees can add 0.5-1% to the borrower's total loan cost. People look at the interest rate but don't consider the total overpayment over 30 years, which can be tens of thousands of dollars,” adds Shawn Zar, a real estate investor at Sell My House Fast.

You may see two lenders offering the same 6% interest rate, but one has a 6.25% APR, and the other a 6.45% APR. In this example, a second loan is significantly more expensive; the wider the gap between an interest rate and APR, the more fees you’d have to cover.

Mortgage points

When interest rates are rising, it’s common to see lenders offer to purchase discount points in exchange for a lower interest rate.[1]

Each point typically costs 1% of your loan amount and drops your rate by about 0.25%. For example, on a $400,000 loan, one point would cost $4,000 and would save you ~$65 a month. It may be worth paying mortgage points if you buy your forever home and don’t plan to sell or refinance in the near future.

Mortgage rate lock policy

Interest rates can change daily, so many lenders offer the option to lock in a loan's interest rate. Lock-ins are usually available for 30, 45, or 60 days and ensure your rate won’t change between the initial offer and closing.[2]

While some lenders offer it for free, others charge a small fee for this opportunity. If interest rates drop significantly during this time, some lenders offer a“float-down” option that lets you switch to the new, lower rate.[3]

Use preapproval to vet lenders

Once you’ve shortlisted a few lenders that meet your requirements, it’s time to test them in real life by getting a preapproval. Unlike a ballpark prequalification, a preapproval requires a lender to verify your income, taxes, and credit history. This is the perfect opportunity to see how they handle your business before you’re under pressure to close.

Here are some pointers to pay attention to:

• Responsiveness: Are they readily available when some issues arise, or do you have to chase them? Ask specifically about their weekend availability in case you find yourself in the midst of a bidding war on Sunday.
• Transparency: A good lender will openly answer all your questions about fees and terms and will not hide behind the fine print or jargon.
• Proactive communication: Look for a lender who asks upfront for all documents, explains the next steps, and updates you regularly throughout the process.

Comparing a few lenders ensures a smoother experience and saves money. Getting at least four quotes can save borrowers more than $1,200 a year.[4]

Questions to ask your potential lender

It’s important to understand how your lender will work with you throughout the process and after the closing—after all, they’ll be your financial partner for years to come. To ensure it’s a good fit, get answers to all these before signing a loan contract:

• Is there a prepayment penalty? Some lenders charge it if you pay off your loan in full or sell your home within a certain period of time (usually the first 3 to 5 years). 
• What is your average closing time? 
• Are there any member perks or borrower benefits offered?
• Can the interest rate be locked in, and for how long? Does it come with a fee?
• Are rates, fees, or closing costs negotiable?
• Who’s my primary point of contact after I sign the contract?
• Who will service my loan after closing? It’s common practice to sell mortgages on the secondary market after closing. While your terms and interest rate remain the same, you might have to make payments to a new owner.

Ensure every answer is backed by a formal document. “A lender should give you a written Loan Estimate (LE) breakdown, which will include important details about your loan like your points, origination charges, and ‘what-not-to-dos,’” says Ryann Brier.

Mortgage lender red flags

As Zar recommends, “Sometimes it's wiser to take a rate [that is] 0.3% or higher, but work with a lender with a high closing rate and a fast underwriting process. In our current heated market, this can be the difference between winning and losing a home.”

If unsure, watch for these warning signals:

• Slow response times
• Vague fee explanation
• Pressure tactics
• Preapproval letter issued without verifying your full financial and credit standing
• Large gaps between the interest rate and the APR
• Lack of NMLS registration

“The silent killer of a mortgage deal is a failure at the underwriting stage due to poor file preparation. Industry estimates indicate that about 9% of home purchases fall through before closing, and one common reason is when the lender fails to verify income, employment, or debts in advance,” shares Zar.

This data alone illustrates how a lender’s lack of due diligence can cost you a home at the finish line. To protect yourself from stress and the risk of losing your earnest money deposit, choose a lender who’s thorough with your paperwork from day one.

Check your loan estimate

Before you decide to fully commit to the loan with a selected lender, make sure to thoroughly read your Loan Estimate, a three-page document you must receive within 3 days after submitting your mortgage application. It provides borrowers with full information on terms, rates, and the total cost of the loan.
This will give you a full picture of how your loan will look. For example, on page 3 of the Loan Estimate, you can find the total 5-year cost of your loan, which is a great tool for comparing lenders’ offers.

The bottom line

Choosing the right mortgage lender is a critical step toward the success of your home purchase, and beyond. Don’t be afraid to ask questions, look at the full cost of your loan, and prioritize a partner who values transparency over a quick sale.

Ready to get prequalified? Our team of loan officers aims to make the mortgage process clear for every borrower. We can analyze your financial profile and find the best solution.

Compare all your loan options in minutes. Fill out a quick form, and we’ll connect you with one of our loan officers today.

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