About the Author
Matt DiLallo has positions in Public Storage. The Motley Fool has positions in and recommends Vanguard Real Estate ETF. The Motley Fool recommends Extra Space Storage. The Motley Fool has a disclosure policy.
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Self-storage real estate investment trusts (REITs) are companies that own, operate, and manage mini-warehouses. These properties enable businesses and households to securely store items in individual storage units. Some self-storage operators also rent parking spaces for boats, RVs, and other vehicles.
Most self-storage units rent on a month-to-month basis. That differs from the lease structure of many other REITs, which typically own properties that lease space for a year or more. The shorter-term lease structure enables self-storage REITs to raise rents more frequently to market rates. However, a drawback is that they might have to reduce rents during a down market.
In addition to generating rental income, self-storage REITs have several other potential revenue sources, depending on their business model. These can include tenant reinsurance income, late fees, management fees, and the sale of moving materials (boxes, packaging, tape, etc.).
Here's a closer look at the self-storage REIT sector, as well as some leading self-storage REITs investors should consider.
Self-storage REITs have several attractive investment qualities, including:
While self-storage REITs have been excellent long-term investments, they're not without risk. Risks include:
Only a half-dozen REITs focus specifically on self-storage. I evaluated this group and chose the best ones based on:
Self-storage REITs benefit from a combination of lower costs, high demand, and short-term lease structures, which have enabled the sector to steadily increase income. That has helped the industry generate above-average total returns over the years. The ability to earn high returns makes self-storage REITs attractive options for real estate investors.
There were only six publicly traded self-storage REITs in mid-2026 due to sector consolidation. Here are the three top ones:

Extra Space Storage (EXR +0.12%) is the largest player in the U.S. self-storage sector. In mid-2026, it had over 4,340 properties in 42 states, with more than 335.6 million square feet of rentable space. It controlled 14.2% of the U.S. self-storage market, the largest share in the sector (bigger than Public Storage's 11.1%, which will increase to 14.1% upon closing its acquisition of National Storage Affiliates).
Extra Space Storage's third-party management platform sets it apart from other self-storage REITs. While most REIT rivals also manage third-party properties, Extra Space Storage was an early leader in this business model. It currently manages more properties than any of its competitors (1,856 in early 2026, compared to 813 for CubeSmart and 362 for Public Storage).
This strategy has several benefits. It generates steady management fee income (over $220 million annually) and requires little up-front investment. Meanwhile, it provides the company with a steady stream of acquisition opportunities (more than $2 billion since 2020). Extra Space Storage can purchase a property it knows very well when the owner sells, reducing risk.
Extra Space's fast-growing third-party management platform has enabled it to deliver sector-leading dividend growth. Over the last 20 years, Extra Space has grown its payout at a 10.3% compound annual rate, faster than Public Storage (7.8%) and CubeSmart (3%).

| Name and ticker | Market capMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary. | Dividend yield | Industry |
|---|---|---|---|
| Public Storage (NYSE:PSA) | $56.5 billion | 3.73% | Specialized REITs |
| Extra Space Storage (NYSE:EXR) | $30.7 billion | 4.46% | Specialized REITs |
| CubeSmart (NYSE:CUBE) | $9.2 billion | 5.20% | Specialized REITs |
CubeSmart (CUBE -0.22%) ranks a distant third in the highly fragmented U.S. self-storage market with a 4.9% share. The company owned or managed over 1,500 properties with 48.5 million square feet across 41 states as of mid-2026.
The REIT has several growth drivers. It will acquire wholly-owned properties, invest alongside joint venture partners, partner with local developers, and grow its third-party management platform.
CubeSmart's multi-pronged growth strategy has enabled it to steadily grow its dividend. The REIT has increased its dividend for 16 straight years, the longest active streak in the self-storage sector. CubeSmart has hiked its dividend by 203% over the last 10 years.
Public Storage (PSA -0.91%) is the largest self-storage REIT by market cap. In mid-2026, it had nearly 3,550 owned or operated properties with more than 259 million square feet of net rentable space across 40 states. In addition, it also owns a 35% interest in European self-storage REIT Shurgard Self Storage, which owns 333 self-storage properties in seven Western European countries with 19 million net rentable square feet.
Public Storage is about to get even bigger. It agreed to buy fellow self-storage REIT National Storage Affiliates (NSA -0.71%) in early 2026 in a $10.5 billion deal. The merger will add 1,000 more properties to its portfolio, further enhancing its scale. Additionally, the company agreed to acquire Public Storage Canada for $1.2 billion, an independent company built by its founder, Wayne Hughes. The deal marks its strategic entry into Canada. Public Storage Canada is the third-largest self-storage platform in Canada with 68 properties totaling 5.3 million square feet.
Acquisitions aren't its only growth driver. Public Storage also has an in-house property development platform, which differentiates it from other self-storage REITs. As of mid-2026, Public Storage had $618.4 million of development and expansion projects underway to add 3.5 million net rentable square feet to its portfolio over the next 18 to 24 months. The company also has growing third-party management and lending platforms.
Public Storage's growth drivers have supported its steadily rising dividend (9.3% compound annual growth rate since 1996).