Free Guide to Understanding Freddie Mac and Mortgages

What Freddie Mac Does and Why It Matters

Freddie Mac is a major player in the American mortgage market, but many homeowners don't understand what the organization actually does. The Federal Home Loan Mortgage Corporation, known as Freddie Mac, was established by Congress in 1970 to support the mortgage market. It operates as a government-sponsored enterprise, which means it has a public mission but is privately owned. Understanding Freddie Mac's role helps you understand how mortgages work in the United States and why your loan might be sold to or serviced by this organization.

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The primary function of Freddie Mac is to purchase mortgages from lenders. When you get a mortgage from a bank or credit union, that lender doesn't necessarily hold your loan forever. Instead, lenders often sell mortgages to organizations like Freddie Mac. When this happens, your payments may be sent to a different address, but your loan terms don't change. Freddie Mac buys these mortgages and packages them into mortgage-backed securities that are sold to investors worldwide. This system keeps money flowing through the lending market, allowing banks to make more loans to more borrowers.

Freddie Mac's activities directly affect mortgage availability and interest rates. By purchasing mortgages from lenders, Freddie Mac replenishes the money lenders have available to loan out. This creates a continuous cycle that keeps the mortgage market functioning. Without this secondary market, lenders would have less money available, potentially making mortgages harder to obtain or more expensive. In 2023, Freddie Mac purchased approximately $319 billion in mortgages, showing the massive scale of its operations. The organization also sets standards for the mortgages it buys, which influences lending practices across the entire industry.

Practical takeaway: If your mortgage is owned or serviced by Freddie Mac, understand that this is a normal part of how the mortgage market operates. Your loan terms remain the same, but knowing this can help you understand where to send payments and who handles customer service for your account.

Understanding Mortgage Basics and Types

A mortgage is a loan used specifically to purchase property. The property itself serves as collateral for the loan, meaning the lender can take the property if you stop making payments. Most mortgages extend over 15 to 30 years, though other terms exist. The longer your loan term, the lower your monthly payment but the more total interest you pay over the life of the loan. For example, a $300,000 mortgage at 6.5% interest costs approximately $189,663 in total interest over 30 years, compared to about $75,540 over 15 years.

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Fixed-rate mortgages are the most common type. With a fixed-rate mortgage, your interest rate and monthly payment stay exactly the same for the entire loan period. This predictability makes budgeting easier and protects you if interest rates rise. According to Federal Reserve data from 2023, about 94% of all mortgages in the United States were fixed-rate loans. A $300,000 fixed-rate mortgage at 6.5% for 30 years carries a monthly payment of around $1,896 (not including property taxes, insurance, and homeowners association fees).

Adjustable-rate mortgages, or ARMs, work differently. These loans typically offer a lower initial interest rate that remains fixed for a specific period, such as three, five, or seven years. After this introductory period, the interest rate adjusts periodically based on market conditions. An ARM might start at 5% for five years, then adjust to 6.5% or higher when the fixed period ends. ARMs can be risky if rates rise significantly because your monthly payment increases. They're most beneficial if you plan to sell the property or refinance before the rate adjusts.

Conventional mortgages are loans that are not backed by government agencies like the Federal Housing Administration (FHA), Department of Veterans Affairs (VA), or U.S. Department of Agriculture (USDA). Freddie Mac specializes in purchasing conventional mortgages that meet certain standards. Jumbo mortgages exceed the conventional loan limits set by Freddie Mac and Fannie Mae. In 2024, the conventional loan limit is $766,550 in most areas, though limits are higher in expensive real estate markets. FHA loans, by contrast, have much lower limits but allow down payments as small as 3.5%.

Practical takeaway: Before comparing specific mortgage offers, determine what type of loan makes sense for your situation. If you plan to stay in your home long-term, a fixed-rate mortgage provides stability. If you expect to move or refinance within five to seven years, an ARM might offer initial savings, though it carries more risk.

How Mortgage-Backed Securities Work

When Freddie Mac purchases mortgages from lenders, it doesn't hold them individually. Instead, the organization pools hundreds or thousands of mortgages together and creates mortgage-backed securities (MBS). These securities are then sold to investors, including pension funds, insurance companies, mutual funds, and international investors. This process, called securitization, is fundamental to how the modern mortgage market functions. It allows capital to flow continuously through the system, enabling lenders to keep issuing new mortgages.

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Here's how mortgage-backed securities work in practice: A homeowner makes their monthly mortgage payment to their loan servicer. The servicer collects these payments and forwards the principal and interest payments to the investors who own the mortgage-backed security. If you have a $300,000 mortgage at 6.5% with a 30-year term, your monthly payment of approximately $1,896 gets divided between the investor receiving the interest portion and principal repayment. The investor receives regular income from the mortgage payments, similar to how a bond works. As homeowners pay down their mortgages, investors gradually receive their principal back.

Mortgage-backed securities are considered relatively safe investments because they're backed by actual property. Unlike stocks, which represent company ownership, MBS represent real assets with physical collateral. However, they still carry risks. If many homeowners default on their mortgages, investors may not receive their full principal back. The 2008 financial crisis demonstrated this risk when the housing market collapsed and many homeowners defaulted on their mortgages, causing massive losses for MBS investors worldwide.

Freddie Mac guarantees the mortgage-backed securities it issues. This means that even if homeowners default on their mortgages, investors will receive their scheduled payments. Freddie Mac covers the difference using its own capital. This guarantee makes Freddie Mac MBS attractive to conservative investors and helps keep mortgage rates lower than they would be otherwise. The guarantee also comes with fees that borrowers pay through their mortgage interest rates. Without this secondary market and the securitization process, mortgage interest rates would be significantly higher because lenders would need to hold mortgages on their own balance sheets and charge more to compensate for the risk and illiquidity.

Practical takeaway: Understanding that mortgage-backed securities exist helps explain why your mortgage might be sold or transferred after you obtain it. The system isn't personal—it's a financial mechanism that keeps the mortgage market functioning and interest rates competitive.

Interest Rates, Credit Scores, and Down Payments

Your mortgage interest rate depends on multiple factors, with credit score being one of the most important. Credit scores range from 300 to 850, and they reflect your history of borrowing money and making payments on time. Someone with a credit score of 780 might receive a mortgage at 5.8%, while someone with a 620 credit score might receive the same mortgage at 7.2%. That 1.4% difference means paying approximately $35,000 more in total interest over a 30-year period on a $300,000 loan. Lenders charge higher rates to borrowers with lower credit scores because they perceive higher risk of default.

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Down payment size also significantly impacts your interest rate and mortgage terms. A down payment is the money you contribute toward the purchase price, with the mortgage covering the remainder. Standard down payments range from 3% to 20% of the purchase price. Someone putting down 20% on a $300,000 home would contribute $60,000, with the mortgage covering $240,000. Someone putting down 3% would contribute $9,000, with the mortgage covering $291,000. Larger down payments result in lower interest rates because they reduce the lender's risk. Additionally, if your down payment is less than 20%, you'll typically be required to pay private mortgage insurance (PMI