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Using Direct Capitalization to Estimate Self-Storage Facility Value

By Ray Wilson Comments

Though self-storage facility values have declined since their peak in 2007, the industry has outperformed all other real estate types during the recession, and that has once again garnered the attention of investors. Self-storage as an industry is also becoming more transparent. Econometric models designed to measure supply and demand have improved, which allows investors to feel more comfortable with their risk-assessment calculations.

Key industry brokers, property owners and managers still use direct capitalization and discounted cash flow as primary tools of the income approach to estimating facility value. They use the sales-comparison approach as support. For the purposes of this article, I'll focus primarily on direct capitalization as a method for determining value.

Direct Capitalization

While there has been some pretty dramatic changes in self-storage operating performance, i.e., declines in occupancy and rental rates, greater use of concessions, etc., the method investors and appraisers use to estimate facility value has not changed—only the depth and sophistication of the analysis. The value of all real estate is still the present worth of future cash flow.

Thus, the appraiser’s job is to assess the local market conditions that will influence a property's future net operating income (NOI). An analysis of these conditions is the foundation on which an objective opinion of value can be reached.

The basis of direct capitalization starts with making an estimate of the facility's potential gross income, which involves a detailed analysis of asking and actual rental rates by unit type compared to competitors in the local market. Then an estimate of the stabilized vacancy is made, based on the current supply of competitive units in the market. Vacancy is comprised of three main components: stabilized physical vacancy, collection loss and concessions.

Next, the appraiser must estimate total operating expenses, which typically include:

  • Real estate taxes
  • Property insurance
  • Repairs and maintenance
  • Administration
  • Onsite management
  • Offsite management
  • Utilities
  • Advertising
  • Miscellaneous

NOI is derived by subtracting vacancy and operating expenses from the estimate of potential gross income. It’s then capitalized into a value estimate by dividing it by the cap rate. The appraiser must select an overall cap rate that reflects facility quality and location and the risk of its future performance.

Investors consider the gap between class-A and -B self-storage facilities to be much smaller than the gap between class-B and -C properties. Cap rates for stabilized, class-A assets can fall below 7 percent, but tend to hover near the low to mid 7 percent range for class-B assets. The market generally indicates that overall cap rates for class-B assets are 25 to 50 basis points higher than class-A assets. For class-C assets, the spread increases to as much as 100 basis points. Thus, class-C cap rates can be 8.5 percent or higher, depending on quality and location.

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