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NOI Real Estate

NOI In Real Estate: Net Operating Income Explained

real estate financing real estate terms Oct 18, 2024

Numerous metrics are employed to gauge the potential of an investment property, but one variable stands out for those looking to determine whether or not an asset is worth acquiring: Net Operating Income or NOI. While many investors may be familiar with the term, understanding its significance and how it influences investment strategies is paramount. In this article, we’ll cover the concept of NOI real estate metrics. In doing so, we’ll explore the actual NOI meaning, how it is calculated, and why it holds a central role in evaluating the profitability of real estate investments.

Whether you're a seasoned investor looking to fine-tune your current exit strategies or a novice seeking to comprehend the critical role of NOI real estate fundamentals, this guide will tell you about the noi real estate definition, the NOI formula, how to improve NOI, and everything you need to know about the true noi meaning.

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What Is NOI In Real Estate?

Now, what is NOI? Net operating income is a fundamental financial metric in the real estate investing field. In its simplest form, NOI real estate metrics represent the income generated from a property, minus the operating expenses associated with its day-to-day management and upkeep. Essentially, it's the income left over after deducting all costs necessary to maintain and run the property efficiently.

For real estate investors, few metrics are more critical than a property’s NOI; it is a vital indicator of an asset’s financial performance and profitability potential. By subtracting operating expenses from rental income, NOI provides a clear and accurate picture of how much money an investment property can generate.

noi meaning in real estate

Beneath the surface, however, a property’s NOI can be used for more than determining its potential. NOI is pivotal in several critical aspects of real estate investing, including property valuation, financing, and investment decision-making. Investors use NOI to determine the value of a property, estimate future cash flows, and assess its potential return on investment (ROI). Understanding NOI real estate metrics is akin to having a cheat sheet, enabling investors to make better choices that match their investment goals and strategies.

Read Also: How To Calculate ROI On Rental Property

Net Operating Income Formula

The net operating income formula is a straightforward yet powerful tool that helps investors assess an investment property's financial health and profitability. To calculate NOI, follow this simple formula:

NOI = Gross Rental Income - Operating Expenses

How To Calculate NOI or Net Operating Income

Let’s be clear: the NOI formula is pretty simple compared to other calculations real estate investors are expected to be able to make. In fact, the most challenging part about calculating the net operating income isn’t the calculation itself; it’s gathering the correct information. Consequently, investors must know what gross operating income and operating expenses are. As a result, we’ve broken down each variable included in the NOI calculation to make things a bit easier:

  • Gross Rental Income: This figure represents the total income generated by a property from all rental sources. It includes rent collected from tenants, any additional income from amenities, parking fees, or other sources, but excludes any income from the sale of the property itself.
  • Operating Expenses: These are the everyday costs of running and maintaining the property. Operating expenses typically include property management fees, property taxes, insurance, utilities, maintenance and repairs, and other costs necessary for the property's operation.

You determine the net operating income by subtracting the total operating expenses from the gross rental income. This metric is a crucial component of a property's financial analysis because it reveals how much total revenue it generates after covering all its operation costs.

NOI Calculation Example

Let's consider a hypothetical commercial real estate apartment complex as an example. The multifamily complex has 20 rental units, each generating a monthly rent of $1,200. Over the year, the gross rental income can be calculated as follows:

  • Gross Rental Income = Monthly Rent per Unit × Number of Units × 12 months
  • Gross Rental Income = $1,200 × 20 × 12
  • Gross Rental Income = $288,000

Now, let's factor in the operating expenses for the real estate property. These expenses include property taxes, insurance, property management fees, maintenance, and utilities, which total $70,000 annually. In other words, the total operating expenses for the 20-unit property are $70,000.

Now, we can use the NOI formula to calculate the property's net operating income:

N.O.I. = Gross Rental Income - Operating Expenses

N.O.I. = $288,000 - $70,000

N.O.I. = $218,000

In this net operating income formula example, the NOI for the apartment complex is $218,000 per year. This figure represents the income generated by the property after covering all its operational expenses. In this case, a positive NOI indicates that the property generates a surplus income of $218,000 before accounting for debt service, making it a potential investment option.


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 NOI & Cap Rate

noi cap rate in real estate

Net operating income serves a multifaceted purpose in the real estate investment industry. Beyond revealing a property's income potential and operational efficiency, NOI real estate metrics are pivotal in calculating a property's capitalization rate or "cap rate."

The capitalization rate, commonly referred to as the "cap rate," is an essential metric in the real estate industry. It represents the synergies that take place between a property's NOI and the value of the property (acquisition cost). The cap rate is expressed as a percentage and serves as a crucial tool for investors to assess the potential profitability and risk associated with an investment property.

With the help of the NOI, the cap rate can help investors with the following:

  • Risk Assessment: Cap rates provide investors with a quick and effective way to assess the risk associated with a particular property. A higher cap rate typically indicates higher perceived risk, while a lower cap rate suggests lower risk. This information helps investors make informed decisions aligned with their risk tolerance.
  • Profitability Evaluation: Cap rates offer insights into a property's potential profitability. By comparing the cap rates of different investment opportunities, investors can identify properties that offer higher cash returns on investment; this is especially valuable when evaluating various income-producing assets.
  • Comparative Analysis: Cap rates enable investors to compare investment properties, even if they differ in size, location, or type. It allows for apples-to-apples comparisons, helping investors select properties that align with their financial goals and investment strategies.
  • Property Valuation: Cap rates can be used in reverse to estimate a property's value based on its NOI. Investors can rearrange the cap rate formula to calculate property value (Value = NOI / Cap Rate). This approach is helpful when determining a property's fair market value during acquisitions or sales.

What Expenses Are Included In NOI?

The most common expenses deducted from gross rental income to calculate the NOI real estate metrics of a rental property include:

  • Property Management Fees: These fees are paid to property management companies or individuals responsible for overseeing the day-to-day operations of the rental property. They include tasks like tenant screening, rent collection, and maintenance coordination.
  • Maintenance & Repair Costs: Routine and necessary maintenance costs are considered operating expenses. This category covers expenses such as fixing plumbing issues, repairing appliances, and repainting the property.
  • Utilities: Operating expenses include utilities paid by the property owner, such as water, sewer, trash removal, and common area electricity.
  • Property Taxes: Property tax payments made by the property owner to local authorities are part of the operating expenses.
  • Property Insurance: The cost of property insurance, including coverage for fire, liability, and other risks, is subtracted from gross rental income.
  • Landscaping & Grounds Maintenance: Expenses related to maintaining the property's exterior, including lawn care, snow removal, and landscaping, are considered operating costs.
  • Advertising & Marketing: Costs incurred to advertise vacant units or market the property to potential tenants are included in operating expenses.
  • Legal & Professional Fees: Expenses associated with legal and professional services, such as attorney fees for lease drafting or accounting fees for financial reporting, are considered part of the operating expenses.
  • Utilities Paid By Owner: Utilities like electricity, gas, or water that the property owner covers for common areas, such as hallways or outdoor lighting, are subtracted from gross rental income.
  • HOA Fees: The associated fees are considered operating expenses if the rental property is part of a homeowners association (HOA).
  • Repairs & Maintenance: Costs related to repairs and general property maintenance, such as painting, carpet cleaning, or pest control, are considered operating expenses. 

What Expenses Are Not Included In NOI?

Ordinary expenses that typically wouldn't be included in the operating expenses used to calculate NOI real estate metrics are:

  • Capital Expenditures (CapEx): Capital expenditures are costs related to significant property improvements, renovations, or replacements that extend the property's useful life, such as a new roof or HVAC system. These are considered long-term investments and are not part of day-to-day operating expenses.
  • Debt Service Coverage Ratio (DSCR): Debt service includes mortgage principal and interest payments. While it's a significant expense for property owners, it's not considered an operating expense because it involves the repayment of loans, which is a financial activity rather than an operational one.
  • Income Taxes: Income taxes are a separate financial consideration not included in NOI calculations. Investors may need to account for income taxes separately based on their tax situations.
  • One-Time Or Extraordinary Expenses: Unusual or one-time expenses, such as legal fees for a specific lawsuit or settlement costs, are not part of the regular operating expenses used to calculate NOI.
  • Owner's Expenses: Any personal expenses unrelated to the property's operations, such as the owner's personal utility bills, are not included.
  • Vacancy Losses: While vacancy losses are subtracted from gross rental income to calculate effective gross income, they are not part of the operating expenses used to determine NOI.

When Should You Use Net Operating Income?

when to use net operating income

Investors find it helpful to calculate the net operating income of a rental property in various scenarios. Here are some situations in which calculating NOI real estate metrics is valuable:

  • Property Valuation: Investors often use NOI to estimate a property's fair market value following depreciation or appreciation. They can determine an approximate purchase price by dividing the NOI by the prevailing cap rate in the area. For example, if a property has an NOI of $50,000 and the local cap rate is 8%, the estimated property value would be $625,000 ($50,000 / 0.08).
  • Comparative Analysis: Investors use NOI to compare different investment opportunities. They can assess which offers the best investment return by calculating the NOI for multiple properties. For instance, if Property A generates an NOI of $60,000, while Property B generates an NOI of $45,000, an investor may favor Property A due to its higher income potential.
  • Financing Decisions: Lenders often consider a property's NOI when evaluating loan applications and amortization. A higher NOI can strengthen an investor's borrowing capacity and improve loan terms. For example, a strong NOI can help secure a favorable mortgage with a lower interest rate if an investor needs financing to purchase a property.
  • Income Projection: NOI is a valuable tool for projecting a property's future income. Investors can estimate potential NOI growth over time by analyzing historical data and market trends. For instance, if a property's current NOI is $40,000 and the investor expects rental rates to increase by 5% annually, they can project an NOI of $44,000 for the following year.
  • Operational Efficiency: Investors use NOI to assess the operational efficiency of a property. By tracking NOI over time, they can identify trends and adjust to improve profitability. For example, investors may implement cost-saving measures to maintain or increase profitability if the NOI has declined due to rising maintenance costs.

How To Improve Net Operating Income

Investors can take several strategic steps to improve net operating income and enhance the profitability of their rental properties:

  • Increase Rental Income: One of the most direct ways to boost NOI is to raise rental rates. Investors can periodically review market rents and adjust their rates accordingly. Additionally, offering value-added amenities or property upgrades can justify higher rents to tenants.
  • Reduce Vacancy Rates: High vacancy rates can significantly impact NOI. Investors can minimize vacancies by implementing effective marketing and tenant retention strategies.
  • Lower Operating Expenses: Investors should regularly review their property's operating expenses to identify areas for cost savings. Negotiating lower utility rates, outsourcing property management, or optimizing maintenance schedules can all contribute to reduced expenses.
  • Efficient Property Management: Effective property management can lead to improved NOI. Investors can hire professional property management services to handle day-to-day operations, tenant issues, and maintenance tasks. Experienced managers often have the expertise to optimize property performance.
  • Control Maintenance Costs: Proactive maintenance can prevent costly repairs in the long run. Investors should conduct regular property inspections, address maintenance issues promptly, and prioritize preventive measures to extend the life of property systems and components.
  • Add Value Through Renovations: Property renovations or upgrades can justify higher rents and increase property value. Investors should assess which improvements offer the best return on investment and consider implementing them.
  • Diversify Income Streams: Investors can explore opportunities to diversify income streams on their properties, including adding laundry machines, vending machines, or other income-generating amenities.
  • Property Tax Review: Regularly reviewing property tax assessments can help investors identify potential overvaluations and reduce property tax expenses, contributing to higher NOI.
  • Energy Efficiency: Implementing energy-efficient upgrades, such as LED lighting, insulation improvements, and energy-efficient appliances, can reduce utility expenses, ultimately increasing NOI.
  • Tenant Screening: Careful tenant screening can help investors identify reliable tenants more likely to pay rent on time and minimize turnover costs associated with eviction and re-renting.
  • Market Analysis: Staying informed about market trends and demographics can help investors make data-driven decisions about rent levels, property upgrades, and marketing strategies.
  • Expense Tracking: Maintain meticulous records of property expenses and income to continually identify areas of continual improvement.

Pros & Cons Of NOI

what is noi pros and cons

A property’s net operating income plays a crucial role in evaluating the financial performance of rental properties, offering valuable insights to investors. However, like any tool, it comes with its own set of advantages and limitations. Understanding both sides of the equation is essential for making well-informed investment decisions.

Here, we'll explore some pros and cons of relying on the NOI real estate metric, helping investors better utilize this tool in their real estate endeavors.

Pros Of NOI

The benefits of relying on the net operating income metric include, but are not limited to:

  • Standardized Evaluation: NOI provides a standardized metric for evaluating the financial performance of income-producing properties, making it easier for investors to compare different properties and investment opportunities.
  • Focus On Property Operations: NOI isolates the income generated and expenses incurred directly from property operations, allowing investors to assess the property's ability to generate income independently of external factors like financing costs or tax implications.
  • Simplicity: Calculating NOI is relatively straightforward, making it accessible to novice and experienced investors. It serves as an essential tool for initial property screening.

Cons Of NOI

The drawbacks of relying on the net operating income metric include, but are not limited to:

  • Excludes Financing Costs: NOI does not account for financing costs, including mortgage interest and loan principal mortgage payments, which are significant expenses for real estate investors. Ignoring these costs can provide a distorted view of a property's profitability.
  • Ignores Capital Expenditures: It does not factor in capital expenditures (CapEx), which are essential for property maintenance and long-term viability. Focusing solely on NOI may lead to underinvestment in property upkeep.
  • Doesn't Reflect Market Fluctuations: NOI may not reflect market fluctuations, such as changes in rental rates or occupancy levels. Investors should consider the broader market context when interpreting NOI figures.
  • Limited To Operating Income: NOI only considers income related to property operations and does not account for other potential income sources, such as appreciation or tax benefits. It may provide a partial assessment of an investment's overall return.
  • Variability In Expense Reporting: The classification of expenses can vary among investors and property managers. Some expenses might be categorized differently, potentially affecting NOI comparability.
  • Not Accounting For Debt Service: While suitable for evaluating property performance, NOI does not consider the impact of debt service, which is crucial for investors using financing to acquire properties 

NOI Real Estate: FAQs

Why Is NOI Important for Real Estate Investors?

Net Operating Income (NOI) is crucial for real estate investors as it measures a property's profitability.

By calculating NOI, investors can assess a property's revenue potential after accounting for operating expenses, helping them make informed decisions about property acquisition, financing, and long-term investment strategies.

What Is the Difference Between NOI and Cash Flow?

NOI (Net Operating Income) refers to a property's income minus operating expenses, excluding debt service.

Cash flow, on the other hand, is the actual profit remaining after paying operating expenses and mortgage payments. While NOI helps evaluate profitability, cash flow shows the investor's real income.

Final Thoughts On NOI Real Estate Metrics

A property’s net operating income is a fundamental metric that allows investors to gauge its financial health. It offers valuable insights into potential returns and helps make informed investment decisions. However, it's essential to remember that NOI is just one piece of the puzzle. While it provides a snapshot of a property's profitability, a more comprehensive analysis, including consideration of market trends, location, financing, and future growth potential, is crucial for a well-rounded investment strategy.

Ready to take your real estate investing to the next level? Learning NOI real estate is just the beginning. Schedule a FREE Strategy Session with us to learn how our Ultimate Investor Program can unlock even more opportunities and strategies in the market. We'll also help you tailor an investment strategy that's right for you. Don't miss out—take the next step toward maximizing your investment potential today!


*Disclosure: Real Estate Skills is not a law firm, and the information contained here does not constitute legal advice. You should consult with an attorney before making any legal conclusions. The information presented here is educational in nature. All investments involve risks, and the past performance of an investment, industry, sector, and/or market does not guarantee future returns or results. Investors are responsible for any investment decision they make. Such decisions should be based on an evaluation of their financial situation, investment objectives, risk tolerance, and liquidity needs.

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