Self-Storage in the United States

NAICS 531130 — Lessors of Miniwarehouses and Self-Storage Units

An investor's primer. U.S. figures unless noted. Federal statistics are drawn from our ingested Census/SBA data; company and market figures are from the most recent SEC filings and trade sources available in mid-2026. Where a number is a trade estimate or a forward-looking judgment rather than a reported fact, the wording says so.

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1. Overview

Self-storage is one of the simplest real-estate businesses to understand and one of the more profitable to own. An operator builds or buys a facility of small lockable units, rents them month-to-month to households and small businesses that need space for their own belongings, and collects rent while spending very little on staff or upkeep. The customer keeps the key and hauls their own goods; the operator never takes custody of what's inside. That single feature — you rent space, not a storage service — is what legally and economically separates self-storage from warehousing.

Why an investor cares: self-storage has delivered high property-level profit margins (mature facilities often convert 70%+ of revenue into operating income), demand that holds up reasonably well in both good times and bad, and a hugely fragmented ownership base that scaled operators are steadily rolling up. It is, however, still real estate — its value rises and falls with interest rates, it can be overbuilt locally, and it is not immune to a weak housing market.

Two ways in. Public-market investors can buy shares of a handful of large real estate investment trusts (REITs — companies that own income real estate, pay little or no corporate tax, and pass most of their income to shareholders as dividends). Private investors can buy a facility outright, develop one, or invest through a fund or syndication. The two routes trade the same underlying asset from opposite ends: public shareholders get liquidity and diversification at a price set daily by the market; private owners get control and potential value-add upside, but take on the leverage, financing, and local-supply risk directly.

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2. What it is, and what it isn't

Scope. NAICS (North American Industry Classification System) code 531130 covers establishments that rent secure self-storage space — drive-up outdoor units, multistory climate-controlled buildings, indoor lockers, containers, and boat/RV/vehicle spaces run as self-storage. It sits inside industry group 5311 (Lessors of Real Estate) within sector 53 (Real Estate and Rental and Leasing). The Census Bureau explicitly indexes self-storage REITs to this code. The definition did not change between the 2017 and 2022 NAICS editions, so federal data coded on either basis is comparable.[1]

Adjacent codes it excludes — worth knowing so you don't double-count:

The practical takeaway: federal "531130" data captures the real-estate self-storage business cleanly. The usual "rental and leasing" concepts — fleet utilization, residual/resale values, equipment financing — belong to equipment lessors, not to a self-storage owner. They matter here only for hybrids like U-Haul that bolt a moving-truck fleet onto their storage.[1]

Ownership mix. Self-storage is the textbook "fragmented industry consolidating toward institutions." The public REITs and other institutions own the largest, best-run buildings, but by count most facilities still belong to regional chains, families, and single-site owners. Roughly 65% of U.S. facilities sit outside the 100 largest operators.[7][9]

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3. How big it is

Federal employer-business picture (our ground-truth data). From the Census Bureau's County Business Patterns (CBP), 2023 — the primary federal count of businesses with paid employees:[2]

• Establishments (with employees): 18,564
• Paid employees: 48,382
• Annual payroll: $1.96 billion (first-quarter payroll $485 million)

That's about 2.6 employees per site — a strikingly thin payroll, because most facilities run on one lean on-site manager or are managed remotely with no on-site staff at all.

Federal receipts. The 2022 Economic Census reported $20.6 billion in receipts for the industry's employer establishments, spread across 8,946 firms.[3] A separate Census survey (the Annual Services Survey) puts 2022 employer-firm revenue at a consistent $19.6 billion, up sharply from about $14 billion in 2019–20 — a rise inflated by the pandemic moving-and-decluttering boom and not a normal-times growth rate.[4]

The undercount caveat — read this before using any single number. Federal business statistics count employer establishments and firms. They systematically undercount an industry like self-storage, where a large share of facilities are unmanned or owned by individuals and pass-through entities (LLCs, partnerships) with no payrolled staff. The evidence is the gap between the counts: - Census counts ~18,600 employer establishments and ~8,900 firms; - Trade sources count ~49,000–52,000 physical facilities holding ~2.1 billion rentable square feet (2024 Self-Storage Almanac; the Self Storage Association's own tally is ~49,000).[7]

The two are measuring different things. There is no authoritative federal facility count. And the whole-industry revenue is likewise larger than the federal employer figure: trade and analyst estimates put total industry rental revenue at roughly $39–44 billion (IBISWorld models ~$39 billion for 2026), versus the ~$20 billion federal employer-receipts benchmark.[6][7] The gap is the non-employer/individual-owner tail plus rents the Census doesn't fully capture at the establishment level. Use the federal figures for the formal, professionally-run core of the industry; use the trade figures for the physical asset base and total rents — and don't mix them.

Household reach. CBRE Investment Management estimated that about 10.2% of U.S. households used self-storage in 2024 (up from 9.3% in 2019), occupying roughly 13.4 square feet per household.[8] These are industry estimates, not Census statistics.

Small-business threshold. The Small Business Administration's (SBA) size standard for 531130 is $34.0 million in average annual receipts — meaning the vast majority of the ~52,000 facilities qualify as small businesses, while the listed REITs are orders of magnitude larger.[5]

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4. The investable universe

Self-storage has an unusually clean set of public "pure plays" — five listed REITs plus one hybrid — sitting atop a deep private market.

Public companies (operating scale from FY2025 filings; market data as of Feb. 27, 2026 — a snapshot that predates the merger news below and is not current advice):[10][11][12][13][14][15][16]

FFO = funds from operations (defined in Section 5); a "P/FFO" multiple is the REIT equivalent of a price-to-earnings ratio. A very small listed REIT, Global Self Storage (SELF), owns about a dozen properties and is not comparable in scale or liquidity. Nareit reported a ~4.2% average dividend yield for the self-storage REIT group as of mid-2026.[16]

The big consolidation event. In March 2026 Public Storage agreed to acquire National Storage Affiliates in an all-stock deal valued at roughly $10.5 billion, expected to close in the third quarter of 2026 subject to NSA shareholder approval. If it completes, it removes one of the five listed pure plays and materially enlarges PSA.[18] (It had not closed as of this writing.)

Private and institutional owners. The ~65% of facilities outside the top 100 operators — and most of the physical square footage — is held privately: private-equity roll-up platforms (Prime Group Holdings, which reports 450+ acquisitions and 30M+ sq ft; StorageMart, SROA Capital, Merit Hill Capital, William Warren Group/StorQuest, Andover Properties, Metro Storage and many more), plus pension funds, insurers, and sovereign investors owning through funds and joint ventures — and, at the very long tail, thousands of individual and family owners of single facilities.[9][13]

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5. How the money works

Self-storage is a real-estate operating business, so the economics run rent → occupancy → net operating income → cap-rate valuation → leverage, and for the listed owners, through the REIT structure and FFO rather than accounting net income.

Rent and occupancy. Revenue is essentially rentable square feet × occupancy × achieved rent per occupied square foot, plus ancillary income. Leases are month-to-month, which cuts both ways: the operator can reprice fast, but the customer can leave fast. Mature portfolios run high physical occupancy — Extra Space ended 2025 at 92.6%.[11] A defining lever is the spread between the low "street rate" used to fill an empty unit and the higher rent charged to sitting tenants: Extra Space's 2025 average occupied rent was $19.91 per square foot while its average new-lease rate was just $13.16.[11] Operators quote a cheap move-in price, then raise existing customers' rates over time — a practice called ECRI (existing-customer rate increases), which CBRE notes can exceed 10% a year.[8] ECRI is the sector's core pricing engine and its main customer-relations and regulatory risk.

Ancillary income. Tenant-protection/insurance plans, administrative and late fees, retail (locks, boxes), and third-party management fees add high-margin revenue on top of rent.[10][11]

NOI and margins. Because labor and maintenance are light, self-storage converts a large share of revenue into NOI (net operating income — property revenue minus property operating expenses, before depreciation, mortgage interest, and corporate overhead). Public Storage's 2025 same-store pool earned about $2.94 billion of NOI on $3.77 billion of revenue — roughly a 75–78% margin; Extra Space's ran ~71%.[10][11] Those are mature, professionally-managed portfolios; a newly built or poorly located single facility will earn materially less while it fills up.

Cap rates and value. A property's value is approximately its stabilized NOI divided by a cap rate (capitalization rate — the market's required income yield on the asset). The math is unforgiving of small moves: $1 million of NOI is worth ~$18.2 million at a 5.5% cap rate but only ~$15.4 million at 6.5% — a 15% swing in value with income unchanged. Add typical 60% mortgage leverage and that same move cuts the owner's equity by nearly 40%. This is why cap-rate movements (which track interest rates) dominate returns for leveraged owners.

Development. A ground-up project is judged by its stabilized yield on cost (stabilized NOI ÷ total build cost) against the market cap rate at completion. The danger is timing: permitting and construction take years, and a facility can open into soft rents or fresh competing supply while still paying taxes, interest, and marketing during a multi-year lease-up.[10][11][19]

The REIT structure (why FFO, not net income). A REIT generally pays no corporate income tax if it distributes at least 90% of its taxable income to shareholders, who are taxed on the dividends — a "pass-through" shorthand that's directionally right but imperfect (taxable REIT subsidiaries do pay corporate tax, and dividend tax character varies).[22] Crucially, accounting rules depreciate buildings even as well-kept properties hold or gain value, so GAAP net income badly understates real earnings. The sector instead reports FFO (funds from operations — net income with real-estate depreciation added back and property-sale gains removed) and AFFO (adjusted FFO — FFO further adjusted for recurring maintenance spending, a closer proxy for distributable cash). Investors value these companies on price-to-FFO/AFFO, dividend coverage from AFFO, and price-to-NAV (net asset value — the estimated private-market value of the properties less debt, per share) — not on price-to-earnings. Note that FFO is standardized by Nareit but AFFO is not, so each company's AFFO must be read on its own definition.[22]

Fleet economics apply only to hybrids. U-Haul is the exception that proves the rule: its results turn on truck/trailer utilization, fleet depreciation, and vehicle resale (residual) values as well as storage occupancy. For fiscal 2026 it reported ~$972 million of self-storage revenue against $3.8 billion of moving-equipment rental revenue.[14] Residual-value and utilization risk belong in a U-Haul thesis — not in a Public Storage, Extra Space, or CubeSmart one.

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6. What drives demand

• Housing turnover and mobility. Moving is the single biggest trigger — people store between homes, when relocating, renovating, or combining households. Census data show 11.8% of Americans changed residence during 2024.[21] When home sales freeze (as under high mortgage rates in 2023–26), move-driven demand softens — the main cyclical swing factor.[19]
• The "four D's" — death, divorce, downsizing, dislocation. Non-discretionary life events generate a steady baseline of demand through the cycle; this is the foundation of self-storage's recession-resilience reputation. It's a useful narrative, not a law — CBRE's statistical work supported several life-event and housing factors but, notably, did not find divorce independently significant.[8]
• Housing size and density. Smaller apartments, urban living, fewer basements and garages, and more renters all push storage off-site. Lower local rents, bedroom counts, and basement availability help explain where penetration is highest.[8]
• Small-business and e-commerce use. Contractors, sales reps, and online sellers store inventory and equipment — a growing non-residential slice.
• Penetration runway. With ~10% of households using storage today and awareness rising, operators argue penetration can grind higher over time (a forward-looking judgment, not a certainty).[8]

Demand is resilient but not recession-proof: growth produces moves and business formation, stress produces downsizing and relocation, but a deep housing-transaction slump still hurts new-customer volume.

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7. Regulation

Self-storage carries a lighter regulatory load than residential real estate, which is a structural advantage:

• Not a home tenancy. A storage rental is commercial space, not a dwelling, so residential eviction protections, habitability rules, fair-housing occupancy rules, and ordinary apartment rent control generally don't apply. Instead, nearly every state has a Self-Service Storage Facility Act governing the relationship — most importantly the operator's statutory lien on stored goods and the right to auction the contents after default and proper notice (this is why "storage auctions" exist and why recovering a defaulted unit is faster and cheaper than evicting a tenant). Procedures differ materially by state; Florida's lien statute is a representative example.[20]
• Consumer-protection overlay. The relationship isn't unregulated: deceptive-practices, debt-collection, auto-pay, advertising, and lien-sale rules all apply. Aggressive ECRI — steep increases on sitting customers — can attract legislative or attorney-general scrutiny. Some states cap emergency-period increases (California limits most storage rate hikes to 10% above the pre-emergency price during a declared emergency).[20]
• Accessibility. Offices and customer areas are places of public accommodation, and new or altered facilities must meet ADA (Americans with Disabilities Act) design standards.[20]
• Tenant insurance. Operators selling tenant-protection products face state licensing and disclosure requirements.[20]
• Zoning is the real throttle on supply. New facilities need local approval, and many municipalities restrict self-storage in prime corridors (it generates few jobs and little sales tax). Zoning protects incumbents but can also let supply spike where permitting is easy.[10][11]
• REIT and securities rules. Listed owners must keep REIT tax qualification, meet the 90% distribution rule, and file full SEC disclosure with standardized FFO reconciliations.[22] (Medical-equipment, rent-to-own, and intangible-licensing regimes are not relevant here.)

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8. Competitive dynamics and consolidation

Federal concentration data (our ground truth). Among the industry's employer firms, the 2022 Economic Census reports:[3]

HHI (a standard concentration gauge; the U.S. Department of Justice treats below 1,500 as "unconcentrated") of just 606 confirms a fragmented industry even within its formal core. Note the subtlety: the top four firms take 42.7% of employer receipts but control only about 22% of physical square footage, and Public Storage alone owns ~9% of all U.S. square feet.[3][9] The reconciliation is instructive — the big REITs dominate the revenue that federal surveys capture because they run staffed, professionally-managed buildings, while the enormous tail of unmanned and individually-owned facilities (the non-employer universe) barely registers in the receipts data but still holds most of the actual real estate. By facility count the market is far more fragmented than even an HHI of 606 implies.

The consolidation engine. With ~52,000 facilities and the top 100 operators managing only ~35% of them (though ~60% of the square footage, because their buildings are bigger), there's a deep acquisition runway.[7][9] Scaled operators buy under-managed private assets and lift NOI with revenue-management software, digital marketing, call centers, and centralized operations — and, importantly, they run third-party management platforms (Extra Space manages 1,856 stores for others; CubeSmart manages ~862) that earn fee income and create a pipeline of future acquisitions, since managed owners often eventually sell to their manager.[11][12] The PSA–NSA merger is the current headline example of this roll-up moving up into the listed tier itself.[18]

Local, not national, competition. Because customers choose within a ~3–5 mile radius, pricing is set by local supply and demand, not national market share. A strong national market can coexist with a brutally oversupplied individual trade area — which is why underwriting a specific facility is about its neighborhood, not the industry.[8][19]

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9. Risks

1. Interest rates (the dominant risk). As a cap-rate-valued, income-producing asset, self-storage moves inversely to interest rates: higher rates expand cap rates and cut property values, raise the cost of new and floating-rate debt, and shrink the proceeds available when a mortgage matures. Higher mortgage rates also suppress home sales and moving demand. The listed REITs are partly insulated — Nareit reported the group at ~82% fixed-rate and ~94.8% unsecured debt — but their share prices still de-rate when long-term rates rise, because bond yields become more competitive with their dividends. Private owners with floating-rate, bridge, or near-term-maturing loans are the most exposed; a property can stay operationally profitable yet destroy its owner's equity if it can't refinance.[17]

2. Occupancy and pricing. The post-COVID swing was dramatic: CBRE reported vacancy below 3% and move-in rents up ~40% between mid-2020 and early 2022, then vacancy above 8% and move-in rents down ~15% from peak by early 2024.[8] Operators can respond with deeper discounts (which cut achieved rent) or harder ECRI (which can drive customers out) — neither is free.

3. Oversupply. Storage is relatively cheap and quick to build, and approvals granted in a strong market open together after demand has cooled. As of April 2026 Yardi tracked 46.2M sq ft under construction (~2.2% of existing inventory), heavily concentrated in Sunbelt metros — Phoenix, Sarasota–Cape Coral, Orlando, Miami, Tampa, San Antonio, Austin.[19]

4. Development lease-up. A new facility can sit below stabilized occupancy for years while still carrying taxes, interest, and marketing — and may have to cut street rents exactly when the underwriting assumed increases.[10][11][19]

5. Operating and public-company risks. Property-tax reassessment, insurance inflation, storm/flood exposure, roof/HVAC/elevator capital spending, cyber and payment-system failures, and lien-sale mistakes all hit owners. Public investors additionally face premium-to-NAV acquisitions, stock-financed dilution, non-standard AFFO definitions, joint-venture debt outside headline leverage, and merger-integration risk.[10][11]

One risk this sector largely avoids: the residual/resale-value risk that plagues equipment and vehicle lessors. Self-storage owns land and buildings, not a depreciating fleet — so there's no used-asset market to collapse under it (a favorable contrast to fleet-rental businesses).

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10. How to invest, and the outlook

Public route. The clean listed exposures are PSA, EXR, CUBE, NSA (while its merger is pending), and SMA; UHAL adds storage bundled with fleet-rental economics. Buy for dividend income plus FFO growth, and value on price-to-Core-FFO/AFFO, dividend yield, AFFO payout ratio, and price-to-NAV — not price-to-earnings, which is meaningless here. A discount to NAV can be an opportunity or a warning that the market expects weaker NOI or balance-sheet strain; a premium lowers a REIT's cost of equity and helps it make accretive stock-funded deals. Key gauges to watch: same-store revenue and NOI growth, occupancy, the new-lease-vs-in-place rent spread, development lease-up drag, and the debt maturity ladder.

Private route. Options run from buying a single stabilized facility (often with third-party management from a REIT platform to borrow institutional operating systems), to ground-up development or building conversion, to real-estate private-equity funds, non-traded REITs, syndications, and Delaware Statutory Trusts (DSTs — fractional ownership vehicles used to defer capital-gains tax in a 1031 exchange). Direct ownership offers control and value-add upside but concentrates risk and illiquidity, and puts property-level debt and refinancing squarely on the investor. Underwrite the trade area — competing and planned square footage, in-place vs. advertised rents, delinquency, property-tax reassessment after purchase, and debt-service coverage under a higher refinancing rate.

Near-term outlook (a judgment, not a forecast). The setup in 2026 is a bottoming process, not a clean recovery. Advertised rents were still slipping — Yardi put national asking rents at ~$16.22 per square foot in April 2026, down ~1.9% year over year — while a frozen housing market and high financing costs kept demand and transactions subdued.[19] The constructive side: construction starts and the forward pipeline are contracting (Yardi projects completions falling from ~53M sq ft in 2026 toward ~39M by 2028), which should ease local oversupply and support a fundamentals recovery as home turnover eventually normalizes.[19] Occupancy for the REITs is stabilizing in the low-90s percent.

Structural outlook. The consolidation thesis is intact: a still-fragmented ~52,000-facility base, a rising institutional share of the best square footage, REIT management pipelines feeding future acquisitions, and now a ~$10.5 billion merger reshaping the listed tier.[7][9][18] The interest-rate path is the swing factor — falling long rates would compress cap rates, lift property values and NAVs, and re-rate the public names; a renewed rate spike would do the reverse.

Bottom line. Self-storage earns its reputation as a high-margin, low-labor, need-based real-estate niche with a lighter regulatory load than apartments and a long consolidation runway. But its returns are still governed by real-estate fundamentals. For public investors the question is whether the dividend and FFO multiple pay you enough for interest-rate and same-store-growth risk; for private investors it's whether conservative NOI, cap-rate, and refinancing assumptions still clear your return hurdle. In both cases the real protection isn't the "recession-resistant" label — it's a strong trade area, a defensible purchase price, modest leverage, and a balance sheet that can survive a slow lease-up or a hard refinancing.

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Sources

1. U.S. Census Bureau, 2022 NAICS Definition: 531130, Lessors of Miniwarehouses and Self-Storage Units (definition, hierarchy, exclusions to 4931/812990; 2017–2022 continuity), 2022/2026. https://www.census.gov/naics/?details=531130&input=531130&year=2022
2. U.S. Census Bureau, County Business Patterns, 2023 (531130: 18,564 establishments; 48,382 employees; ~$1.96 billion annual payroll; $485 million Q1 payroll), released 2025. [Histometrics ingested federal statistic.] https://data.census.gov/table/CBP2023.CB2300CBP
3. U.S. Census Bureau, 2022 Economic Census — concentration and summary statistics, NAICS 531130 ($20.615 billion receipts; 8,946 firms; CR4 42.7%, CR8 52.5%, CR20 58.8%, CR50 64.0%; HHI 606), released 2024. [Histometrics ingested federal statistic.] https://data.census.gov/table/ECNBASIC2022.EC2253BASIC
4. U.S. Census Bureau / Federal Reserve Bank of St. Louis (FRED), Total Revenue for Lessors of Miniwarehouses and Self-Storage Units, Employer Firms (~$19.572 billion, 2022; ~$14 billion 2019–20). https://fred.stlouisfed.org/series/REVEF53113ALLEST
5. U.S. Small Business Administration, Table of Small Business Size Standards (531130: $34.0 million average annual receipts; $47 million exception for federal building-space leasing), effective 2023. [Histometrics ingested federal statistic.] https://www.sba.gov/document/support-table-size-standards
6. IBISWorld, NAICS 531130: Lessors of Miniwarehouses and Self-Storage Units (whole-industry revenue ≈ $39 billion, 2026). https://www.ibisworld.com/classifications/naics/531130/
7. 2024 Self-Storage Almanac (via Strategic Storage Trust VI 2024 Annual Report, SEC) / Self Storage Association / Neighbor / SpareFoot (~49,000–52,000 facilities; ~2.1 billion rentable sq ft; top-100 operators ≈60% of sq ft but ~35% of properties). https://www.sec.gov/Archives/edgar/data/1852575/000119312525081500/d845928dars.pdf
8. CBRE Investment Management, Self-Storage Investing: Unpacking a Sector on the Move (2024) (~10.2% household penetration; ECRI >10%/yr; vacancy and move-in-rent dynamics 2020–24). https://www.cbreim.com/insights/articles/self-storage-investing-unpacking-a-sector-on-the-move
9. RentCafe, The 100 Largest Self-Storage Companies in the U.S. and Public Storage 2025 10-K ownership disclosures (public companies ≈20–23% of facilities; PSA ~9% of sq ft; four largest ~22%; ~65% of facilities outside top 100; private-owner list). https://www.rentcafe.com/blog/self-storage/the-100-largest-self-storage-companies-in-the-u-s/
10. Public Storage, Form 10-K, FY2025 (SEC), filed 2026 (3,171 facilities controlled / 229.4M sq ft; ~258M incl. managed; same-store $3.765B revenue, $2.944B direct NOI, ~78% direct margin; ~9% U.S. share; Shurgard 35%; REIT distribution). https://www.sec.gov/Archives/edgar/data/1393311/000162828026007696/psa-20251231.htm
11. Extra Space Storage, Form 10-K, FY2025 (SEC), filed 2026 (4,281 owned/operated stores, ~2.9M units, 330.4M sq ft; same-store $2.649B revenue, $1.885B NOI, ~71% margin; occupancy 92.6%; occupied rent $19.91 vs. new-lease $13.16; 1,856 managed stores). https://www.sec.gov/Archives/edgar/data/1289490/000128949026000011/exr-20251231.htm
12. CubeSmart, Form 10-K, FY2025 (SEC), filed 2026 (662 consolidated properties, 48.4M sq ft, ~399,000 customers; ~862 managed/JV). https://www.sec.gov/Archives/edgar/data/1300485/000129867526000010/cube-20251231x10k.htm
13. National Storage Affiliates Trust, Form 10-K, FY2025 (SEC), filed 2026 (1,063 properties, 69.4M sq ft, ~548,000 units); Prime Group Holdings portfolio disclosures. https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001618563
14. U-Haul Holding Company, Fiscal 2026 Financial Results (99.0M sq ft storage; ~$972M storage revenue vs. $3.812B moving-equipment rental revenue; same-store storage occupancy 86.1%), 2026. https://investors.uhaul.com/
15. SmartStop Self Storage REIT, Form 10-K, FY2025 (SEC), filed 2026 (177 owned properties, 13.9M sq ft, ~122,000 units; NYSE listing April 2025). https://www.sec.gov/Archives/edgar/data/1585389/000119312526082573/ck0001585389-20251231.htm
16. Nareit, Self-Storage REIT sector page and REITWatch, March 2026 (market caps, P/2026-FFO multiples, and dividend yields as of Feb. 27, 2026; sector yield ~4.2% mid-2026). https://www.reit.com/what-reit/reit-sectors/self-storage; https://www.reit.com/sites/default/files/reitwatch/RW2603.pdf
17. Nareit, Self-Storage REITs: Soft Fundamentals but Disciplined Balance Sheets (~82% fixed-rate, ~94.8% unsecured debt), 2025. https://www.reit.com/news/articles/self-storage-reits-soft-fundamentals-but-disciplined-balance-sheets-
18. Public Storage & National Storage Affiliates, Public Storage to Acquire National Storage Affiliates (all-stock, ~$10.5 billion enterprise value; expected Q3 2026 close), March 16, 2026. https://investors.publicstorage.com/news-events/press-releases/
19. Yardi Matrix, Self Storage National Report, May 2026 (national advertised rent ~$16.22/sq ft, −1.9% YoY, April 2026; 46.2M sq ft under construction ≈2.2% of inventory; completions ~52.9M sq ft 2026 falling to ~38.6M by 2028; Sunbelt pipeline concentration). https://www.yardimatrix.com/publications/download/file/8693-MatrixSelfStorageNationalReport-May2026
20. Self Storage Association, State Lien & Tenant-Insurance Laws; Florida Statutes §83.805 (self-storage owner's lien); U.S. DOJ, ADA Title III Regulations; California Office of Emergency Services, Price Gouging (10% emergency cap); California Dept. of Insurance, Self-Service Storage Insurance Disclosures. https://www.selfstorage.org/Advocacy/Legal-Resource-Center; https://www.flsenate.gov/Laws/Statutes/2025/0083.805; https://www.ada.gov/law-and-regs/regulations/title-iii-regulations/
21. U.S. Census Bureau, American Community Survey geographic-mobility data, 2024 (11.8% of Americans changed residence in 2024). https://www.census.gov/topics/population/migration/guidance/acs-1yr.html
22. U.S. Code, 26 U.S.C. §857 — Taxation of REITs (90% distribution requirement), and Nareit glossaries, Funds From Operations (FFO), Adjusted FFO (AFFO), and Net Operating Income (NOI). https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title26-section857; https://www.reit.com/glossary/funds-operation-ffo

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Data-vintage notes: establishment, employment, and payroll figures are Census County Business Patterns 2023 (primary, high-confidence)[2]; receipts and concentration ratios are the 2022 Economic Census (primary)[3]; both are Histometrics ingested federal statistics. Facility count, square footage, and household penetration are 2024 trade/analyst estimates, directionally reliable but not federal[7][8]. Company figures are FY2025 SEC filings[10]–[15]; valuation multiples are a Feb. 27, 2026 snapshot that predates the PSA–NSA merger announcement[16][18]. Whole-industry revenue (~$39–44 billion) is an estimate range that runs above the ~$20 billion federal employer-receipts benchmark because federal surveys undercount the large non-employer/individually-owned tail. Cap rates, rent, occupancy, and pipeline figures are analyst/trade estimates[8][19]; the near-term outlook is a judgment, not a forecast.