National Storage Affiliates Trust
National Storage Affiliates Trust is a U.S.-based real estate investment trust focused on owning, operating, and acquiring self storage properties. Its portfolio is concentrated in major metropolitan markets across the United States and Puerto Rico, and it operates through a REIT structure with an operating partnership subsidiary.
Fiscal year 2025 · change from previous year
Development 2020–2025
Business
Share of revenueRental of storage units across owned and operated facilities.
Tenant insurance-related fees, access fees, and storage supply sales.
Fees and other income tied to managed or affiliated storage assets.
Income and economics tied to self storage acquisitions and venture interests.
Customers
NSA serves households and businesses that need short- or long-term storage space, with demand centered on convenience, security, and location. Its properties are typically used by local customers within a few miles of each facility, while acquisitions and joint ventures expand the asset base across larger metropolitan markets.
Individuals and families renting units for moving, downsizing, or overflow storage.
Businesses storing inventory, equipment, files, or seasonal goods.
Nearby tenants who choose facilities based on proximity and convenience.
Capital partners in promoted-return joint ventures that acquire storage portfolios.
Strategy
NSA’s strategy centers on operating a scaled self storage platform in major U.S. markets while continuing to acquire properties in a fragmented industry. It also uses joint ventures and tax-deferred transaction structures, including OP units, to expand its portfolio and attract sellers.
The U.S. storage market remains highly fragmented, creating consolidation opportunities.
Partnering with institutional capital helps fund larger acquisitions and broaden reach.
Centralized functions can lower marketing, insurance, and overhead costs versus stand-alone operators.
Top MSA locations support demand resilience and barrier-to-entry advantages.
Geography
NSA’s core operating footprint is the United States, with properties in 37 states and Puerto Rico. More than 70% of its consolidated portfolio is located in the top 100 U.S. metropolitan statistical areas, which gives the business exposure to dense, supply-constrained urban and suburban markets.
Risks
NSA is exposed to local demand swings, occupancy pressure, and rental-rate competition because self storage is a neighborhood-level business. It also faces acquisition competition, joint venture execution risk, and valuation sensitivity tied to property performance and market conditions.
- Local market demand weaknessImpact: HighLikelihood: Medium
Storage demand and pricing depend on nearby economic conditions and household mobility.
Exposure: Occupancy and rental rates
- Joint venture partner riskImpact: HighLikelihood: Low
Partners may fail to fund capital or pursue different objectives.
Exposure: Unconsolidated real estate ventures
- Acquisition competitionImpact: MediumLikelihood: Medium
Many buyers pursue the same fragmented assets, raising purchase prices and reducing deal flow.
Exposure: Portfolio growth
- Regional concentration in metro marketsImpact: MediumLikelihood: Medium
Top MSAs are attractive but still exposed to local supply additions and economic shocks.
Exposure: Property-level NOI
- Key personnel dependenceImpact: MediumLikelihood: Low
The business relies on experienced management and acquisition relationships.
Exposure: Sourcing and operations
Accounting
Judgemental itemsAcquisition accounting assigns value to land, buildings, and in-place leases, affecting future depreciation and amortization.
Impact: Reported NOI and depreciation expense
Month-to-month tenant relationships create short-lived intangible assets that are amortized quickly.
Impact: Near-term amortization expense
Earnings from unconsolidated ventures depend on allocation methods and can be non-cash and uneven.
Impact: Equity in earnings/losses
Storage assets are carried at historical cost less depreciation and impairment, so valuation assumptions matter.
Impact: Balance sheet carrying values and earnings
Property dispositions can materially affect reported income in periods of sale.
Impact: Non-operating earnings volatility
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Last updated: 24/09/2026