What Is the 75% Rule for REITs? A Must-Know Guide for Investors

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You're looking at a REIT, maybe a big apartment complex owner or a healthcare facility landlord. The dividend yield looks attractive. But before you get drawn in by the income, there's a critical piece of financial plumbing you need to understand. It's called the 75% rule, and it's not just some obscure accounting detail—it's the very mechanism that allows that juicy dividend to land in your brokerage account tax-free at the corporate level. Get this rule wrong as an investor, and you might be backing a structure that's one bad quarter away from losing its privileged status. I've seen it happen, and the stock price reaction isn't pretty.

What You'll Learn in This Guide

The Core Definition: It's an Income Test, Not an Asset Rule

Let's clear up a major point of confusion right away. Many people hear "75% rule" and assume it's about what a REIT owns. They think 75% of its assets must be in real estate. That's related, but it's a different test (the 75% asset test). The 75% rule we're talking about is the income test.

In simple terms, the 75% rule for REITs states that at least 75% of the company's gross income must come from real estate-related sources. This isn't a suggestion; it's a mandatory requirement from the Internal Revenue Service (IRS) under Subchapter M of the Internal Revenue Code. If a REIT fails this test, it loses its REIT status. That means it gets taxed like a regular corporation—its dividends become taxable at the company level before they reach you, and that attractive yield you bought it for likely evaporates.

The Big Picture: This rule exists to ensure REITs are primarily in the business of passive real estate investment—collecting rent, earning interest from mortgages—and not operating active, non-real estate businesses. The government grants them a pass-through tax structure (they don't pay corporate income tax) in exchange for paying out most of their income and sticking to their core business.

How the 75% Rule Works in the Real World

So, what counts as "real estate-related" income? This is where the rubber meets the road. The IRS provides a specific list. The big-ticket qualifying income sources are:

1. Rents from Real Property

This is the most straightforward one. Income from leasing out apartments, office buildings, shopping malls, warehouses, cell towers, and billboards. If it's a lease on a physical piece of real estate, it qualifies. This is the bread and butter for equity REITs.

2. Interest on Mortgages Financing Real Property

This is the core for mortgage REITs (mREITs). The interest they earn from loans secured by real estate collateral counts toward the 75%. However, there's a nuance here that trips up new investors: not all interest income qualifies equally. Interest from a loan secured by a first mortgage on an apartment complex? Good. Interest from unsecured corporate debt or consumer loans? That doesn't count and can be a dangerous source of non-qualifying income if a mREIT strays too far.

3. Gains from the Sale of Real Estate Assets

When a REIT sells a property it's held for investment, the profit from that sale is qualifying income. But they can't be in the business of flipping properties like a developer—there are holding period rules to prevent that.

4. Income from Real Property-Related Services

This one has a tight limit. A REIT can earn some income from services provided to tenants (like cleaning common areas or providing cable), but this is heavily regulated and typically must be bundled with the rent. They can't derive significant profit from active service businesses.

The remaining 25% of income can come from almost any other legal source—interest on non-real estate securities, management fees (within limits), or even income from a non-real estate subsidiary. This 25% buffer is crucial. It allows REITs some flexibility. For example, a large office REIT might earn some interest on its cash reserves, or a retail REIT might earn a small fee for managing a property for a third party.

Why This Rule Matters More Than You Think

You might think, "The company's CFO handles this, not me." That's true, but as an investor, you're relying on their compliance. The rule matters because it directly guards the sustainability of your dividends.

Think of it as a quality control seal. A REIT that consistently and comfortably meets the 75% income test is likely focused, predictable, and low-risk in terms of its tax structure. I once analyzed a REIT that was venturing heavily into high-margin consulting services related to its properties. The services income was growing fast and threatened to push the qualifying income below 75%. The market got nervous, the stock traded at a discount, and management had to publicly reaffirm their commitment to the REIT model. It was a red flag that signaled a potential strategic drift away from pure real estate ownership.

Conversely, a REIT that constantly flirts with the 75% threshold is walking a tightrope. One atypical quarter—maybe a large, non-recurring gain from selling a non-core asset—could technically push them over, but it signals a lack of a clear, qualifying income moat. The best REITs I've owned generate 90%+ of their income from qualifying sources without even trying. It's just what they do.

The Direct Implications for Your Investment Decisions

How do you, as an individual investor, use this knowledge? You don't need to calculate the ratio yourself, but you should know where to look and what questions to ask.

1. Scrutinize the Business Model: When researching a REIT, ask: what is its primary source of income? Is it straightforward rent collection (like most apartment or industrial REITs), or is it more complex? Mortgage REITs and more exotic REITs (like those investing in timber or infrastructure) require extra diligence to understand what portion of their income is truly "qualifying." Read the "Management's Discussion and Analysis" (MD&A) section of their annual report (10-K). They often discuss compliance with REIT rules.

2. Listen for the Right Language on Earnings Calls: Competent REIT management teams often proactively state their compliance with REIT income tests during quarterly calls. It's a routine assurance to investors. If there's ever a mention of a "special waiver" from the IRS or discussions about a "remedial period" to regain compliance, consider it a major warning siren. It means they've already failed a test.

3. Understand the 95% Rule's Role: The 75% rule has a stricter sibling: the 95% rule. To pay dividends, REITs must distribute at least 90% of their taxable income to shareholders. But to deduct those dividends paid, at least 95% of their gross income must come from the qualifying list plus passive income like dividends and interest. In practice, most REITs aim for the 95% threshold for their dividends to be fully deductible. The 75% rule is the minimum bar for status; the 95% rule is the target for optimal tax efficiency. A REIT consistently hitting 95% is in solid shape.

The bottom line is this: the 75% rule is a built-in risk mitigator. It forces the company you're investing in to stay in its lane—the real estate lane. By understanding it, you're not just learning a tax rule; you're learning a fundamental lens through which to judge the quality and focus of a real estate investment trust.

Your REIT Rule Questions, Answered

What happens immediately if a REIT accidentally fails the 75% income test one quarter?
It's not an instant death sentence. The IRS provides some safeguards for minor or inadvertent failures. A REIT can maintain its status if the failure is due to reasonable cause and not willful neglect, and if it attaches a schedule to its tax return explaining the failure. More importantly, there are "de minimis" safe harbors for failing certain tests. However, if the failure is significant and repeated, the REIT can lose its status retroactively to the beginning of the year it failed. This would trigger massive corporate-level taxes and likely cause a collapse in the share price. The market's fear of this outcome is a powerful enforcement mechanism.
How does the 75% income rule affect the type of properties a REIT can buy or develop?
It heavily influences strategy. A REIT eyeing a new asset must consider the income profile. For example, buying a hotel is tricky. Is the income "rent" from a long-term lease to an operator (qualifying), or is it primarily from actively running the hotel (non-qualifying)? Most REITs own hotels under a "triple-net lease" structure where a separate company runs it and pays rent. Similarly, developing a property creates a timing issue. During development, there's no rental income, potentially hurting the ratio. REITs often use a subsidiary taxed as a regular corporation (a "Taxable REIT Subsidiary" or TRS) to handle development and active business lines, keeping that non-qualifying income separate and within the 25% bucket.
As a dividend investor, should I avoid REITs that operate in sectors with more "service" income, like healthcare or self-storage?
Not necessarily, but you need to look closer. A healthcare REIT like a medical office or senior housing owner typically leases properties to operators. The rent is qualifying. However, some may have management contracts or earn fees. The key is in the financial statements. Look for a breakdown of revenue. If over 85-90% is listed as "rental income," you're likely safe. Self-storage REITs have a unique model where the rental of storage units is clearly qualifying income, even though they manage it themselves. The IRS views this as analogous to renting apartments. The grey area is when a REIT starts providing ancillary services (selling moving boxes, insurance) that become a material profit center. That's when you dig into the annual report's notes.
Can a REIT's dividend be cut specifically because of compliance with these income rules?
Indirectly, yes. The REIT must distribute at least 90% of its taxable income. Taxable income is calculated after applying all the REIT rules. If a REIT has a lot of non-qualifying income that is taxed at the corporate level (within its TRS, for instance), its overall cash flow available for the shareholder dividend might be reduced. More directly, if a REIT is struggling to generate enough qualifying income to meet the 75% test, it might make a risky acquisition or shift strategy in a way that destabilizes the core business, eventually impacting the dividend's safety. The rule acts as a constraint on management's capital allocation decisions, which is ultimately a good thing for income-focused investors.

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