Understanding the Internal Rate of Return & Cap Rate

Dec 10, 2024

How much do you really know about financial metrics? 

Success begins with understanding, and real estate investment is no different. To achieve long-term success and secure strong returns, investors must understand the true value of their property. One key way to do this is by analyzing critical financial metrics. Two of real estate investors' most commonly used tools are the internal rate of return (IRR) and the capitalization rate (cap rate). 

Learn how mastering IRR and cap rate can give you a significant advantage in real estate investing.

What Are Cap Rates & How Are They Determined?

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The cap rate is a crucial metric in commercial real estate that helps investors estimate their potential return on a property. It's expressed as a percentage and is calculated by dividing the net operating income (NOI) by the property’s purchase price. 

The formula is simple:

Cap Rate = Net Operating Income / Property Value

For example, if a building has $500,000 in NOI and costs $10 million, the cap rate is 5%. Cap rates are inversely related to property value — higher property values lead to lower cap rates and vice versa.

The NOI represents the income the property generates over a year while the property value is the price you’re paying. It’s important to note that debt or financing is not included in this calculation. This makes the cap rate a powerful tool because it allows you to compare properties without factoring in individual financing terms, giving you an unbiased view of the property’s performance.

For example, whether you buy a property outright or take out a loan, the cap rate focuses on the property’s potential to generate income. This comparison helps investors assess different deals more fairly since financing terms can vary significantly based on an investor’s situation.

Cap rates are useful for comparing different investment opportunities. A lower cap rate often indicates a higher-value, lower-risk investment while a higher cap rate might represent higher risk but potentially higher returns.

There are different types of cap rates to be aware of:

  • Terminal cap rate: This is used to estimate the property’s value at the end of the investment period. It’s calculated using the NOI at the time of sale, helping investors determine if the investment was profitable.
  • Pro forma cap rate: This is an estimate of future returns based on assumptions about how the property will perform after repairs or improvements. It’s a forward-looking metric and requires careful consideration, especially for less experienced investors.

When To Use Cap Rates

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Cap rates are most valuable when evaluating commercial properties like apartment buildings, office spaces, and strip malls — places with a stable income flow and a long-term investment goal. If you’re comparing several potential properties, cap rates provide a quick way to gauge returns relative to the property’s value, helping you make better decisions.

However, cap rates aren’t ideal for short-term investments like fix-and-flip projects or single-family homes, where income isn’t consistent. For the best insights, stick to cap rates for properties with predictable, ongoing revenue.

What Is IRR and How Is It Determined?

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The IRR is a helpful way to evaluate an investment’s potential, measuring what you might earn over time from income, property appreciation, and debt payments. Unlike simpler metrics, IRR takes a long-term view, giving you an annualized percentage that reflects yearly cash flows and the profit from selling the property. In short, IRR captures the total returns you could earn, with a higher IRR indicating faster returns.

To calculate IRR, you need the property’s projected or yearly cash flows — rental income and any future sale proceeds. The key here is that IRR considers the time value of money, meaning it discounts future earnings because cash received later isn’t as valuable as cash today due to inflation and opportunity cost. That makes the calculation more complex, so it’s best done with Excel or a financial calculator.

When IRR Is Used

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IRR is most useful when comparing different types of investments, even beyond real estate. It’s helpful for projects where cash flow varies yearly or leverage is involved. That said, because IRR depends on future cash flow assumptions, it’s always good to use it alongside other metrics for a well-rounded view.

Comparison of Cap Rate vs. IRR

The table below outlines the major differences between cap rate and IRR in commercial real estate investments.

Choose the Right Financial Metrics for Your Investment Goals

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In real estate investment, using financial metrics is integral for making informed decisions. These metrics provide insight into how profitable a property could be, what risks it carries, and how it compares to other opportunities. For example, cap rate helps you assess potential returns on properties like multifamily buildings by comparing the property’s net income to its purchase price. Meanwhile, IRR accounts for long-term cash flows and is perfect for investments with projected sales, such as a commercial development project.

By using the right financial metrics based on your investment goals, you gain multiple benefits:

  1. Better risk assessment: Metrics like IRR help you understand how long-term factors such as market trends and property appreciation impact your return, helping you minimize risks.
  2. Optimized decision-making: Knowing whether you're seeking short-term gains or long-term growth helps you pick the right metrics. For instance, if you’re flipping properties, cap rate might suffice, while larger development projects would need IRR to accurately reflect future returns.
  3. Maximized profit: Metrics evaluate current income and future potential, allowing you to compare opportunities and ensure you’re investing in the most profitable properties.

For example, if you’re evaluating a $5 million apartment complex generating $300,000 in annual net operating income, the cap rate would be 6%. However, if you plan to sell it in five years, calculating the IRR will help you assess the total return over that period, including potential appreciation and changes in income.

Understanding financial metrics is the key to making smarter, more profitable real estate investments. They allow you to match your goals — immediate returns or long-term wealth growth — with the right metrics to guide your decisions.

Knowledge Fuels Growth, Partnership Drives Results

“Knowledge isn’t power until it’s applied.” — Dale Carnegie

Knowing metrics like cap rate and IRR is essential, but applying that knowledge effectively is where true value is created. Partnering with experienced professionals bridges the gap, turning insights into actionable strategies that deliver measurable success for investors.

At Alliance CGC, we specialize in delivering results. With expertly managed investments across all commercial real estate asset classes, including medical offices, veterinary facilities, multifamily housing, industrial properties, and retail spaces, we provide opportunities designed to maximize investor returns. Backed by 30-plus years of experience, billions in successful transactions, and a historical 28% IRR, our strategies deliver proven, recession-resilient growth.

Here’s how we create value for our investors:


Rigorous due diligence: We meticulously evaluate every property to ensure stability, resilience, and growth potential.
Innovative strategies: Advanced financial tools and data-driven insights power every decision, optimizing returns.
Transparency and communication: From acquisition to long-term portfolio management, we prioritize detailed reporting and consistent updates.

At Alliance CGC, we’re committed to delivering reliable growth, consistent cash flow, and long-term profitability. Our approach transforms knowledge into action — and action into exceptional results for our investors.

Are you ready to partner with experts who deliver? Contact us today to explore how Alliance CGC can help you build a diversified and profitable portfolio.

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