Commercial Loans Blog

Underwriting Commercial Construction Loans

Posted by George Blackburne on Mon, Jul 17, 2017

Under_constructionToday we are going to teach you how to underwrite a $50 million commercial construction loan. recently closed an $18.5 million commercial construction loan on a mixed-use project in Wisconsin.  The lucky broker who brought that deal to C-Loans earned a whopping $92,500 loan fee.  Wow.  I'll betcha that fee paid some bills.  Note to self:  Submit my commercial construction loans through

I recently wrote in one of my newsletters that for the past six years commercial banks have had a zero appetite for conventional commercial construction loans.  By conventional I mean a non-SBA, non-USDA, non-EB-5 loan.  In fact I described conventional commercial construction loan requests as being about as welcome as a male stripper at a (hetereosexual) bachelor party.  Ha-ha!


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As a result, there has been very little commercial construction in the U.S. for the past six years.  In the meantime, many vacant and neglected commercial buildings have had their water pipes burst during a cold winter, making them essentially now almost worthless.  Other vacant commercial buildings have been vandalized and stripped of their copper wiring.  The roofs of other vacant commercial buildings have leaked, leading to dangerous black mold.  A great many productive commercial buildings are now unusable.

At the same time, the population of the U.S. has grown.  Workers are finally getting back to work.  The auto industry in America is booming again, leading to the return of many manufacturing jobs in the Midwest.  Shale oil discoveries have caused a significant migration of workers to North Dakota, Wyoming, Texas, and other oil-patch states.  All of these areas need new commercial buildings.

Therefore the hot new commercial loan product for the end of 2014 and for 2015 will be conventional commercial construction loans.  And where do you find hundreds of commercial banks hungry to make conventional commercial construction loans?

But how do you know if the commercial construction loan lead in your hand is a hottie or a complete waste of your time?  You need to know how to underwrite commercial construction loans.  This article will serve as a primer.

Conventional commercial construction loans are underwritten using six financial ratios.  The most important of these ratios is the loan-to-cost ratio.  The loan-to-cost ratio must not be confused with the loan-to-value ratio.

The loan-to-cost ratio is the construction loan amount divided by the total cost of the project.  Traditionally this ratio should not exceed 80%.  In other words, the developer is responsible for contributing at least 20% of the total cost of the project - usually in the form of free-and-clear and entitled land, with most of the architectural and engineering costs prepaid for by the developer.  Since many commercial banks are still licking their wounds from the Great Recession, many banks are limiting their loan-to-cost ratios to just 70% to 75%.  This means that the developer must modernly cover 25% to 30% of the total cost of the project.

The next ratio is the loan-to-value ratio.  The loan-to-value ratio on a commercial construction loan request is computed by taking the construction loan amount and dividing it by value of the commercial property, when it is completed and fully-leased.  The bank's appraiser will compute this value for you.  The loan-to-value ratio on a commercial construction loan request should not exceed today around 70%.

The third ratio is look at when underwriting a commercial construction loan is the debt service coverage ratio.  The debt service coverage ratio is the property's Net Operating Income (NOI), upon completion and leasing, divided by the annual debt service (P&I payments) on the proposed takeout loan.  A takeout loan is just a permanent loan used to pay off a construction loan.  This ratio should exceed 1.25.  The good news is that with interest rates so low today, most commercial properties easily pass this test.

The next ratio to look at when underwriting a commercial construction loan is the profit ratio.  The profit ratio is the difference between the fair market value of the property, upon completion and leasing, and the total cost of the project, all divided by the total cost of the project.  What we are trying to determine here is whether the developer stands to earn any profit by building this commercial building.  If not, he might be tempted to just walk away at the first appearance of a cost overrun.  The profit ratio should exceed 20% to 22%.  In other words, the commercial property should be worth at least 20% to 22% more than it costs to build.

The next ratio to look at when underwriting a commercial construction loan is the net-worth-to-loan-size ratio.  The developer's net worth should be at least as large as the construction loan he is requesting.  A guy with a $1.5 million net worth should not be requesting a $6 million commercial construction loan.  This ratio needs to be at least 1.0.

The last ratio to look at when underwriting a commercial construction loan is the debt yield ratio.  The debt yield ratio is a brand new ratio developed after the huge losses in commercial mortgage-backed securities suffered by CMBS bond investors during the Great Recession.  The debt yield ratio is computed by taking the property's net operating income (NOI) and dividing it by the construction loan amount.  This ratio should not be less than 8.5% to 9% today.

Please note that the debt yield ratio is different from the debt service coverage ratio.  It does not look at today's low commercial mortgage interest rates at all.  In fact, this ratio was invented to rein in the excessive leverage that can occur in commercial mortgage finance when interest rates and cap rates are low.

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