Navigating Reserve Studies with Inflation Rate Sensitivity Testing

By Glenn Tyndall, CPA, PRA | May 14, 2025

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When it comes to conducting a reserve study for your community association, one crucial factor often overlooked is the impact of inflation. An effective reserve study should consider the ever-changing landscape of costs over time, especially in an environment where inflation can fluctuate. To ensure that your community association’s long-term financial planning is robust and resilient, it’s advisable to perform inflation rate sensitivity testing as part of your reserve study.

Inflation can have a substantial effect on your community association’s reserve funds, particularly in the context of capital expenses for major component repairs and replacements. Even seemingly small variations in inflation rates can lead to significant differences in the future cost estimates of these components. To illustrate this point, let’s examine a hypothetical component with an initial cost of $10,000. We’ll calculate the impact of inflation rates of 3%, 5%, and 7% over 30 years to showcase how inflation can affect your reserve calculations.

Here’s a table demonstrating the evolving costs of the $10,000 component:

YearInitial Cost3% Inflation5% Inflation7% Inflation
Year 1$10,000$10,300$10,500$10,700
Year 10$10,000$13,441$15,564$18,090
Year 20$10,000$18,061$26,532$39,058
Year 30$10,000$24,566$45,259$83,652

As evident from the table, even a seemingly modest 3% inflation rate results in a considerable cost increase over the 30 years. The difference between a 3% inflation rate and a 7% rate for a $10,000 component is striking, with the latter reaching an estimated cost of $83,652 by Year 30, compared to $24,566 at a 3% inflation rate. These figures emphasize how small differences in inflation rates can lead to substantial financial implications for your association.

The advantage of inflation rate sensitivity testing as part of your reserve study plan is to prepare for various scenarios. Inflation rates can be volatile, and they may experience short-term fluctuations. By testing your reserve calculations at different inflation rates, the board can gain a clearer picture of how these fluctuations might affect future reserve contributions. It’s a proactive approach to ensuring your association is financially resilient and prepared for unexpected financial challenges.

While our experience suggests that relatively few clients perform inflation rate sensitivity testing, the old adage holds true: an ounce of prevention is worth a pound of cure. It’s prudent to anticipate how inflation can impact your association’s financial stability and plan accordingly. By doing so, you’re better equipped to navigate the complexities of reserve fund management, ensuring your association is prepared for whatever the future may bring.

In summary, reserve studies should not be static documents. They should adapt to the dynamic nature of financial markets, including inflation. By incorporating inflation rate sensitivity testing into your reserve study, you can make more informed and resilient financial decisions for your community association.

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