Amortization in Commercial Real Estate

What is Amortization in Commercial Real Estate? 

Amortization is the process of spreading a loan into payments that consist of both principal and interest over a set timeline, called an amortization schedule. While some commercial real estate loans are fully amortizing, not all are. For example, balloon loans are typically only partially amortizing. In addition, interest-only loans (like many commercial construction loans) usually have a non-amortizing interest-only period, followed by a period that is either partially or fully amortizing.

Principal and Interest in Amortized Loans 

In an amortized loan, the amount of interest a borrower pays decreases as they pay off the principal. This is because the amount of interest charged is based upon the most recent principal balance of the loan. As a borrower continues to pay off their loan, the proportion of the payment that goes to interest decreases, while the proportion that goes to paying off the principal increases. 

Balloon Loans in Commercial Real Estate 

While many residential real estate loans are fully amortizing, most commercial real estate loans are not. For example, a loan might have a term of 7 years and an amortization period of 30. That means that, while the borrower makes payments as if the loan was due in 30 years (over a 30 year amortization schedule), the full principal balance of the loan is due in 7 years. In many cases, commercial real estate borrowers refinance the loan at this point instead of making a large balloon payment. 

Negatively Amortizing Loans Can Be Particularly Risky For Borrowers 

In some cases, loans may be negatively amortizing. In this case, a borrower isn't even fully paying the interest on the loan. Negatively amortizing loans can be particularly risky for borrowers, since each time a borrower doesn't fully pay off a month's interest, that unpaid interest is added to the principal of the loan. The next month, the borrower is required to make a larger interest payment on the new, increased principal. In this case, compound interest actually works against them. In the long run, this can become extremely expensive.  


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