Comparing home loans means looking beyond the interest rate to evaluate the total cost of each offer, including fees, mortgage insurance, and how long you plan to stay in the home. The best loan isn’t always the one with the lowest rate. A loan at 6.5% with $8,000 in fees can cost more over time than one at 6.75% with $2,000 in fees, or vice versa, depending on your timeline. Here’s how to break down each piece so you can make a confident choice.
Get Loan Estimates From Multiple Lenders
Your most powerful comparison tool is the Loan Estimate, a standardized three-page form that every lender is required to give you within three business days of receiving your application. Because the format is identical across lenders, you can place two Loan Estimates side by side and compare line by line.
Request Loan Estimates from at least three lenders for the same type of loan. If you’re comparing a 30-year fixed from Lender A to a 30-year fixed from Lender B, the numbers are directly comparable. If one offer is a 30-year fixed and the other is an adjustable-rate mortgage, you’re comparing two different products, which muddies the picture. Keep the loan type, term, and down payment consistent across your requests so the differences you see reflect lender pricing, not structural differences in the loan.
Page 3 of the Loan Estimate has a “Comparisons” section specifically designed for this. It shows the APR, the total interest percentage (which tells you how much interest you’ll pay over the full life of the loan as a percentage of the amount borrowed), and the total you’ll have paid after five years. These three numbers give you a quick snapshot for ranking your offers before digging into the details.
Compare APR, Not Just the Interest Rate
The interest rate tells you what you’ll pay on the borrowed balance each year. The APR folds in lender fees, discount points, and prepaid interest to show you a more complete cost of borrowing. Two loans with the same interest rate can have very different APRs if one charges higher origination fees or requires you to buy points upfront.
Think of APR as the “all-in” rate. A loan with a 6.5% interest rate and heavy fees might carry a 6.9% APR, while a loan at 6.625% with minimal fees might have a 6.7% APR. The second loan has a higher stated rate but is actually cheaper once you account for what you’re paying upfront. When you see a lender advertising an unusually low rate, check the APR to see whether they’re making up the difference with fees.
One limitation: APR assumes you keep the loan for its full term. If you plan to sell or refinance within a few years, a loan with higher upfront fees and a lower rate may never pay off. That’s where the five-year cost comparison on the Loan Estimate becomes especially useful.
Break Down the Fees
Page 2 of your Loan Estimate lists every fee you’ll pay at closing, split into categories. Focus on the fees that vary between lenders, which fall under “Loan Costs.” These typically include:
- Origination fee: A percentage of the loan amount the lender charges for processing your loan. This can range from 0.5% to 1% or more, meaning on a $350,000 loan it could be $1,750 to $3,500.
- Discount points: Optional upfront payments that buy down your interest rate. Each point costs 1% of the loan amount and typically reduces your rate by up to 0.25%.
- Underwriting and processing fees: Flat fees lenders charge for evaluating your application. These vary widely and are sometimes bundled into the origination fee.
Other closing costs like title insurance, appraisal fees, and government recording fees tend to be similar regardless of which lender you choose. They still matter for your total cash-to-close amount, but they won’t help you distinguish between offers.
Decide Whether Points Are Worth It
Some lenders offer a lower rate if you buy discount points upfront. Whether this makes sense depends on how long you plan to keep the loan. On a $350,000 loan, one point costs $3,500 and might drop your rate by about 0.25%, saving you roughly $50 to $60 per month. Divide the cost of the points by the monthly savings and you get your break-even period, the number of months it takes for the savings to recoup the upfront cost.
In this example, $3,500 divided by $55 in monthly savings gives a break-even point of roughly 64 months, or just over five years. If you plan to stay in the home for ten years, buying points saves you money. If you might move or refinance within three years, you’d pay $3,500 upfront and never recover it. When comparing two offers where one includes points and the other doesn’t, run this break-even calculation to see which is actually cheaper for your situation.
Factor In Mortgage Insurance
If your down payment is less than 20%, most conventional loans require private mortgage insurance (PMI). This cost doesn’t always appear prominently in rate advertisements, but it’s a real monthly expense that can significantly change how two loans compare.
PMI typically costs between 0.46% and 1.5% of the original loan amount per year. On a $300,000 mortgage, that’s $1,380 to $4,500 annually, or $115 to $375 per month. Your exact rate depends on your credit score, down payment size, and the insurer the lender uses. A borrower with a 760 credit score putting 15% down will pay far less for PMI than someone with a 660 score putting 5% down.
Because PMI rates vary by lender and insurer, two otherwise identical loan offers can have different monthly payments once PMI is included. Make sure you’re comparing the total monthly payment, not just principal and interest.
Understand How Your Credit Score Shapes Offers
Your credit score is one of the biggest factors determining the rates you’ll be offered, and the spread between score tiers is substantial. For a $400,000 home with 10% down on a 30-year fixed loan, a borrower with a 700 credit score might see rates ranging from about 5.875% to 8.125%, while a borrower with a 625 score could see offers from 6.125% to 8.875%, based on CFPB data from early 2025.
A higher score also means more lenders competing for your business, which gives you more offers to compare and more negotiating leverage. If your score is on the border between tiers, even a modest improvement before applying could widen the pool of lenders willing to offer competitive terms.
Compare the Monthly Payment and Total Cost Together
Two numbers matter most when you’re making your final decision: the monthly payment you’ll live with and the total cost over the time you expect to hold the loan.
A lower monthly payment might come from a longer loan term, which means you pay more interest overall. A 15-year loan has a higher monthly payment but dramatically less total interest than a 30-year loan on the same amount. If you can afford the higher payment, the shorter term saves tens of thousands of dollars.
Build a simple comparison table for your top two or three offers. For each one, write down the interest rate, APR, monthly payment (including PMI and escrow if applicable), total closing costs, and the total you’ll pay over five years (listed on the Loan Estimate). This side-by-side view makes the differences concrete. A $40 monthly difference might seem small, but over 30 years that’s $14,400.
Look Beyond the Numbers
Cost matters most, but a few other factors deserve attention. Check how long the lender’s rate lock lasts. A rate lock of 30 days is standard, but if your closing timeline is longer, you may need 45 or 60 days, and some lenders charge extra for that.
Consider the lender’s responsiveness during the Loan Estimate process. A lender that takes a week to return your calls before you’ve committed is unlikely to improve after. Mortgage closings involve tight deadlines, and a slow or disorganized lender can delay your purchase.
Finally, check whether the lender plans to service your loan or sell it. If your loan is sold, you’ll make payments to a different company, which is common and usually seamless but worth knowing upfront. Some borrowers prefer credit unions or smaller lenders that keep loans in-house for a more consistent experience.