Lessors of Real Estate (NAICS 5311) — An Investor's Rollup Primer

NAICS 2022 code 5311 — Lessors of Real Estate. The "own it and rent it out" corner of the economy: businesses whose main activity is owning real property — homes, offices, warehouses, storage units, farmland, and the ground beneath buildings — and collecting rent on it. Written for both public-market investors (real estate investment trusts and listed landlords) and private investors (direct owners, real-estate private equity, family offices, farmland and timber funds).

This page synthesizes four already-written child primers (53111, 53112, 53113, 53119) plus our ground-truth federal statistics for the four-digit group. Reported federal figures carry a numbered citation; figures labeled "estimate," "judgment," or "outlook" are analytical, not reported data. Acronyms are defined on first use.

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1. Overview

NAICS (North American Industry Classification System — the U.S. government's standard industry taxonomy) code 5311, Lessors of Real Estate, is the landlord industry group. It bundles together everyone whose core business is owning real property and renting it to someone else: apartment and single-family landlords, office and shopping-center and warehouse owners, self-storage operators, and the owners of land — farmland, timberland, manufactured-home pad sites, and ground leases.

For an investor the appeal is common across all of it: real estate is an essential, long-lived, largely inflation-linked asset that throws off contractual rent with very little labor. The catch is also common: every holding here is two things at once — an operating business (rent minus costs) and a leveraged, interest-rate-sensitive asset — and both have to go right. Because value is priced off rent divided by a yield (the "cap rate," defined in Section 5), the entire group rises and falls with interest rates even when the rent checks never miss.

The single most useful thing to understand about 5311 is that it is not one market. It is four very different rental businesses stapled together by a shared verb ("to lease"). They differ in size, growth direction, who owns them, how concentrated they are, and how the money is actually made. That contrast — not the group average — is where the insight lives, so this primer leads with it.

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2. What's inside — the four child industries and how they differ

The 4-digit group 5311 contains four 5-digit "NAICS industries." Each of those, in turn, has exactly one 6-digit "national industry" child, so the 5-digit and 6-digit codes are effectively the same thing in each case (5311 → 53111/531110, 53112/531120, 53113/531130, 53119/531190) [1].

How to read this table. Two of the four children — residential and nonresidential — are giants of roughly equal size that together are ~90% of the group's rent. The other two — self-storage and land — are small by receipts (~6% and ~3%) but matter out of proportion to their size: self-storage is the highest-margin, most-consolidated corner, and land is the one where the reported numbers understate reality most severely (Section 3).

A subtlety worth flagging up front: the whole group is less concentrated than any of its parts. Each child's leader is a different company (the biggest apartment owner is not the biggest storage owner is not the biggest farmland owner), so blending them dilutes any single firm's share. That is why the group HHI (21.9) sits below every child's (Section 3) — the opposite of what people expect when they hear "combine four industries."

Scope and boundaries. 5311 is strictly the own-and-lease-real-property business. It excludes managing property for a fee (531311/531312 — firms like CBRE and JLL), brokerage (531210), equipment and vehicle rental (Sector 532, e.g., car and tool fleets), and operating businesses that happen to sit on real estate — hotels (Sector 721), care-integrated senior housing (Sector 623), and farm or timber operations (Sector 11) [1]. One practical consequence carried across all four children: because 5311 is real property, equipment-rental metrics (fleet utilization, residual/resale value) and licensing/royalty economics do not apply. The economics that matter are rent, occupancy, net operating income, cap rates, and mortgage leverage.

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3. How big it is — this level's ground-truth figures

From Histometrics' ingested federal data for NAICS 5311 (the whole group):

This is a capital-heavy, labor-light group: ~606,000 workers produce ~$350 billion of rent, about $0.58 million of receipts per employee and only ~4.4 employees per establishment [2][7]. The value lives on the balance sheet — in the buildings and land — not on the payroll. A 300-unit apartment community or a large self-storage facility runs on a handful of on-site staff plus contractors.

Concentration (this level) — near the theoretical floor. Among the 104,669 counted employer firms, the largest 4 collect just 5.4% of receipts (the CR4, or four-firm concentration ratio); the top 8, 9.6%; the top 20, 18.2%; the top 50, 28.6%. The Herfindahl-Hirschman Index (HHI — a 0–10,000 gauge where the U.S. Department of Justice treats anything under 1,500 as "unconcentrated") is a near-atomistic 21.9 [7]. Real-estate lessing is one of the most fragmented activities in the entire economy — and, as noted above, the group is more fragmented than any single child because the leaders differ by segment.

The undercount caveat — read this before trusting any single number

The counted employer group (~137,000 establishments, ~105,000 firms, $349.9 billion of receipts) is a small slice of the real thing, and the fragmentation is even greater than the concentration ratios suggest. Federal business surveys count only employer establishments — reporting locations with payroll. They systematically miss the dominant owner of rental real estate: the individual, family, trust, or single-property pass-through entity (LLC or partnership) with no employees, who reports rent on a personal or pass-through return and never appears in these tables [2][7]. The undercount is worst exactly where small-landlord ownership dominates:

• Residential (53111): the counted employer industry is $162B of receipts, but the asset stock is vastly larger — the Census Bureau's 2024 Rental Housing Finance Survey counted ~18.97 million rental properties containing 49.72 million units, roughly 70% owned by individuals [3][8].
• Nonresidential (53112): by value, roughly 89% of U.S. commercial real estate is privately held and only ~11% sits inside listed REITs; the trillions of dollars of building value dwarf the $155B rent line [4][10].
• Self-storage (53113): federal surveys count ~18,600 employer establishments, while trade sources count ~49,000–52,000 physical facilities; whole-industry revenue is estimated at ~$39–44 billion versus the ~$20.6B federal figure [5].
• Land (53119): the most extreme gap. USDA's 2024 landlord survey alone counts 2.09 million farmland-landlord entities renting 347.8 million acres worth $1.66 trillion and generating $34.1 billion of farmland rent in 2024 — farmland rent by itself is roughly three times the entire employer-group receipts line for 53119, and the true land base is measured in trillions [6][11].

Bottom line on size: use the federal figures for the formal, professionally-run employer core; use the housing-stock, CRE-universe, storage-almanac, and USDA land surveys for the true asset base and total rents — and don't mix the two. Any claim about "the size of the landlord industry" should say which one it means.

Small-business threshold. The U.S. Small Business Administration's size standard for these lessor industries is $34.0 million in average annual receipts — so practically the entire counted population qualifies as "small," while the listed REITs are orders of magnitude larger [9].

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4. The investable universe — where value concentrates

Value is not spread evenly across the group; it concentrates in a modest set of public REITs and land companies sitting atop a much larger private and institutional base. A REIT (real estate investment trust) is a company that owns income-producing real estate, pays little or no corporate income tax, and is required to pass most of its income to shareholders as dividends. Roughly 190 REITs sit in the FTSE Nareit All Equity REITs Index (28 of them in the S&P 500), with ~$1.6 trillion of combined equity value; an estimated 170 million Americans own REITs through retirement plans and funds [12]. The listed bellwethers, by child:

• Residential (53111): apartment REITs — AvalonBay (AVB), Equity Residential (EQR), Mid-America (MAA), Essex (ESS), UDR, Camden (CPT); single-family-rental (SFR) REITs — Invitation Homes (INVH), American Homes 4 Rent (AMH). The residential REIT universe is ~$113B of apartment equity plus ~$28B of SFR equity [13][14].
• Nonresidential (53112): the three sub-sectors have different leaders — industrial/logistics Prologis (PLD, the largest U.S. equity REIT of any kind) and Rexford (REXR); retail Simon Property Group (SPG), Realty Income (O), Kimco (KIM); office BXP (formerly Boston Properties), Cousins (CUZ) [4][12].
• Self-storage (53113): the "pure play" REITs — Public Storage (PSA), Extra Space Storage (EXR), CubeSmart (CUBE), National Storage Affiliates (NSA, pending acquisition by PSA), SmartStop (SMA); plus U-Haul Holding (UHAL), a hybrid that bolts a moving-truck fleet onto ~99M sq ft of storage [5][15].
• Land (53119): farmland — Gladstone Land (LAND), Farmland Partners (FPI); timberland — Weyerhaeuser (WY), Rayonier (RYN); ground-lease — Safehold (SAFE); manufactured-home / RV-site — Equity LifeStyle (ELS), Sun Communities (SUI) [6][16].

The private and institutional base holds most of the dollars — and most of the risk. The same platforms recur across children: Blackstone (its real-estate arm is the world's largest commercial-property owner at ~$319B of real-estate AUM; its non-traded BREIT vehicle disclosed ~63,918 SFR homes at end-2025 and it took apartment owner AIR Communities private), Brookfield, PGIM Real Estate, Nuveen, Greystar (No. 1 apartment owner/manager), and Morgan Properties [3][4][13]. In land, the analogues are TIMOs (timberland investment management organizations — firms that hold forest land for pensions and endowments), farmland funds (AcreTrader, FarmTogether), and non-operator landlords who hold ~30% of U.S. farmland [6]. Beneath all of them sits the fragmented long tail — the ~15 million individually owned rental properties, the doctors who own their medical building, the thousands of single-facility storage and single-parcel land owners — that makes up most of the group by count.

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5. How the money works — shared engine, where children diverge

The shared engine. Across all four children the value chain is the same four links: rent → NOI → cap rate → value, amplified by leverage.

• Rent → NOI. A property's operating profit is its net operating income (NOI) = rent (times occupied units, plus fee/expense-recovery income) minus property-level operating costs — before interest, corporate overhead, depreciation, and capital spending [17]. NOI excludes recurring capital spending (roofs, HVAC, tenant improvements), so true free cash flow runs a bit below it.
• NOI → value, via the cap rate. Value ≈ NOI ÷ capitalization rate (cap rate) — the market's required unleveraged yield, which moves inversely to price. $1,000,000 of NOI is worth $20.0M at a 5% cap rate but only ~$16.7M at 6% — a ~17% value loss with no change in operations [18]. Because cap rates track interest rates, higher rates cut property values even when rent and occupancy are healthy. This is the single channel through which interest rates dominate the entire group.
• Leverage. Properties are usually financed with mortgage debt — typically 40–70% loan-to-value (LTV) — so value swings hit the owner's equity harder, and when cap rates expand, equity is wiped out first.
• The REIT wrapper. A REIT must distribute ≥90% of its taxable income and meet asset/income tests; in exchange it pays little or no corporate tax (income is taxed once, at the shareholder) [19]. Because accounting rules force heavy building depreciation that overstates real economic wear, REITs are valued on FFO (funds from operations — net income with real-estate depreciation added back), AFFO (adjusted FFO — FFO minus recurring maintenance capital, the best proxy for sustainable distributable cash), dividend yield, and price-to-NAV (net asset value — appraised asset value minus debt) — not the price-to-earnings ratio used for ordinary stocks [17].

Where the children genuinely diverge — this is the part the group average hides:

• Lease length and re-pricing cadence. Residential leases reprice about once a year, so rent tracks the market quickly. Storage is month-to-month, and operators use a signature tactic — quote a cheap move-in "street rate," then push sitting tenants up over time (ECRI, existing-customer rate increases) — which makes it the most nimble pricing model in the group [5]. Nonresidential leases run years to a decade-plus, so cash flow is stickier but slower to reset. Land is often leased for many years on a triple-net (NNN) basis (the tenant pays taxes, insurance, and upkeep).
• Where the return comes from. Residential, nonresidential, and storage earn most of their return from current income (rent → NOI). Land is different: it trades at very low cap rates (farmland's current cash yield is only ~2–3%) because investors expect most of the return from appreciation, not this year's rent — which makes land the most interest-rate-sensitive child of all [6].
• Margins. Self-storage converts an unusually large share of revenue to NOI (the big REITs run ~71–78% property margins) because labor and upkeep are so light [5]. Residential carries heavier operating and turnover costs.
• Within a single child, sub-markets diverge too. In residential, coastal/supply-constrained portfolios and Sun Belt/supply-heavy portfolios grow at different rates; in nonresidential, office, industrial, and retail are practically different asset classes with different cap rates and demand. The full mechanics live in each child primer.

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6. Demand drivers

Demand is derived — it comes from whoever ultimately uses the space or land — so the drivers differ by child, but a few forces cut across the whole group.

• Residential (53111): household formation and demographics (large millennial/Gen-Z renter cohorts, immigration; ~45.9M renter households); the rent-vs-own trade-off (a ~6.5% mortgage rate and stretched affordability keep marginal households renting); jobs and income; migration to the Sun Belt; and near-term new supply [3].
• Nonresidential (53112): the health and space needs of tenants, now sharply divergent by type — durable e-commerce/logistics demand for industrial (digesting a building boom), supply-starved and recovering retail, and structurally impaired but bifurcating office ("flight to quality") [4].
• Self-storage (53113): need-based and reasonably resilient but not recession-proof — housing turnover and mobility (moving is the biggest single trigger), the "four D's" (death, divorce, downsizing, dislocation), smaller/denser housing, small-business and e-commerce use, and rising household penetration [5].
• Land (53119): farm income and crop prices (cropland); housing starts (timberland/lumber); housing affordability (manufactured-home pads); development and land scarcity (ground leases); and new stacked income layers — solar, wind, carbon, conservation, minerals, water [6].

The cross-cutting driver for all four is interest rates, which set both financing cost and the discount rate on future rents. Population growth, migration, employment, and construction costs move all four as well, just through different tenants.

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7. Regulation

The common regulatory backbone is the REIT tax regime (Internal Revenue Code §§856–860): the 90%-distribution rule plus asset, income, and ownership tests, with SEC (Securities and Exchange Commission) 10-K/10-Q/8-K disclosure and reconciliation of non-GAAP measures like FFO/AFFO for the listed vehicles [19]. §1031 like-kind exchanges let private owners defer capital-gains tax by rolling into replacement property — a shared tax lever across all four children. Beyond that, the regulatory load differs sharply by child:

• Residential is the most regulated: the federal Fair Housing Act bars discrimination, and rent regulation is the biggest policy risk to apartment NOI in covered markets (though ~30 states preempt local rent control), alongside deposits, habitability, eviction rules, and antitrust scrutiny of algorithmic pricing (the RealPage case) [3][20].
• Nonresidential lives under land-use/zoning, property tax (often the largest cost after debt service), environmental liability (CERCLA), ADA accessibility, and a growing wave of building-energy mandates (e.g., New York City's Local Law 97) [4].
• Self-storage carries a lighter load — a storage unit is commercial space, not a dwelling, so eviction/habitability/rent-control rules generally don't apply. Instead, state Self-Service Storage Facility Acts give operators a statutory lien and the right to auction contents after default (why "storage auctions" exist) [5].
• Land faces foreign-farmland-ownership restrictions (a live and growing state-level issue under the federal AFIDA disclosure regime), manufactured-home community rent-control and park-closure statutes, and water rights, wetlands, and conservation-easement rules [6].

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8. Consolidation

The group is structurally fragmented and only slowly institutionalizing — the low group HHI (21.9) is the proof. But capital and capability concentrate even where ownership does not: large REITs and mega-managers enjoy cheaper insurance and procurement, revenue-management data, development expertise, and public-capital access, edges that are strongest when assets are geographically clustered and leases are standardized. Consolidation is furthest along in the two smallest children and slowest in the two largest by asset base:

• Self-storage (53113) is the textbook roll-up — the top 100 operators run only ~35% of ~52,000 facilities, and the roll-up has now reached the listed tier itself: in March 2026 Public Storage agreed to acquire National Storage Affiliates for ~$10.5 billion (expected close Q3 2026) [5].
• Land (53119) is actively institutionalizing at the margin: the Rayonier–PotlatchDeltic timber merger (closed January 2026) created a ~4.2-million-acre owner, and manufactured-home parks are rolling up from mom-and-pop owners into REIT and PE platforms [6].
• Residential (53111) shows two stories — SFR was created as an institutional asset class out of the post-2008 foreclosure wave, and take-privates and mega-mergers keep reshaping the small public universe (Blackstone took AIR Communities private; in May 2026 AvalonBay and Equity Residential announced an all-stock merger of equals — ~180,000 pro-forma apartments, ~$52B equity value, expected close 2H 2026). Even so, the eight largest public apartment landlords own only ~1.2% of all U.S. rental units [3][13].
• Nonresidential (53112) consolidates easiest in standardized industrial and net-lease portfolios, hardest in office, where every building's submarket and lease schedule make underwriting asset-specific [4].

Across all four, because public REIT shares reprice continuously while private appraisals lag, REIT discounts to NAV can precede private-market markdowns — a recurring public-vs-private arbitrage and the classic take-private trigger.

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9. Risks

The risks rhyme across the group because the underlying asset is the same, but their intensity varies by child.

1. Interest-rate / cap-rate risk — the master risk for the entire group. Higher required yields cut values even when NOI is flat, magnified by leverage. It bites land hardest (lowest current yield, longest duration) and is felt everywhere else through cap-rate expansion [6][18].
2. Refinancing / maturity risk. Roughly $5 trillion of commercial/multifamily mortgage debt must be refinanced on a rolling basis, a large slice in 2026–27 — loans made at 3–4% on higher values re-pricing at higher rates on lower values. The distress is real and concentrated in office (elevated CMBS — commercial mortgage-backed securities — delinquencies), which the Federal Reserve has repeatedly flagged as a financial-stability vulnerability because the debt is heavily held by regional and community banks [4].
3. Oversupply / lease-up risk. Overbuilding is a local risk — heaviest recently in Sun Belt apartments, Sun Belt self-storage, and (earlier) industrial big-boxes. A new asset can sit below stabilized occupancy for years while still paying taxes and interest [3][5].
4. Expense inflation — property taxes and insurance outrunning rents.
5. Regulation and litigation — rent caps and eviction rules (residential), building-energy mandates (office), foreign-ownership bans and pad-rent control (land) [3][6].
6. Recession / affordability / commodity cyclicality — nearly half of renters are already cost-burdened; soft crop prices pressure cropland; weak housing turnover softens storage demand [3][6].
7. Illiquidity and appraisal lag — private real estate trades infrequently and appraisal-based values lag; public REIT shares can swing far from underlying asset value in the other direction [4].

One risk this whole group largely avoids: the residual/resale-value risk that plagues equipment and vehicle lessors. 5311 owns land and buildings, not a depreciating fleet — so fleet-utilization and used-asset-price economics do not apply here (the one partial exception is U-Haul's truck fleet inside the storage child).

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10. How to invest, and the outlook

Public routes. Buy individual REITs for the child and sub-sector you want — residential (AVB, EQR, MAA, INVH), industrial (PLD, REXR), retail (SPG, O, KIM), office (BXP, CUZ), storage (PSA, EXR, CUBE), farmland/timber/ground-lease/manufactured-home (LAND, FPI, WY, RYN, SAFE, ELS, SUI) — or a diversified REIT exchange-traded fund (ETF) for one-click exposure across the group. REIT preferreds, bonds, or CMBS funds give income or credit exposure rather than equity. Value the shares on dividend yield (roughly 3–7% across these children), price/FFO, price/AFFO, same-store NOI growth, and price-to-NAV — not price/earnings; a wide NAV discount is the classic entry signal and take-private trigger. Listed REITs are liquid and transparent but reprice fast and hard with interest rates [13][14][16].

Private routes. Direct ownership (a rental house, a strip center, a storage facility, a parcel of farmland) offers control and the tax benefits of depreciation and §1031 exchanges, at the cost of illiquidity, concentration, and hands-on work. Real-estate private-equity and closed-end funds, non-traded REITs, syndications, TIMO separate accounts, and fractional land platforms (AcreTrader, FarmTogether), plus Delaware Statutory Trusts (DSTs) for 1031 exchanges, sit between direct ownership and public shares — professional execution and diversification for fees, lockups, and lagging valuations. For any private deal, insist on the going-in cap rate, the debt maturity and structure, the lease-expiration schedule, market-vs-contract rent, and what value survives a major vacancy.

Outlook (analytical judgment, not a forecast). The four children are on different clocks but share one swing factor — interest rates:

• Residential: modest, uneven growth as the supply wave peaks and rolls off; coastal/constrained markets keep better pricing power than the oversupplied Sun Belt.
• Nonresidential: a two-speed workout — retail has the best supply/demand balance, industrial digests its boom, and office is a multi-year, bifurcated grind; sector selection and building quality matter far more than the "commercial real estate" label.
• Self-storage: a bottoming process rather than a clean recovery, as a shrinking construction pipeline eases local oversupply.
• Land: muted appreciation while rates stay high; a stabilizing or falling-rate path would relieve cap-rate pressure and re-rate hard assets.

Under the cycle, the structural setup for the whole group is durable: essential, long-lived, largely inflation-linked assets; contractual rent; a persistent housing shortage; finite land; and an ownership base still dominated by individuals, which leaves institutions a long consolidation runway. The bull case for all four is rates easing without a recession (tighter cap rates, higher values, less refinancing stress); the bear case is a rate spike or recession. Either way, the honest bottom line is the one the group average obscures: which real estate you own — and at what price and leverage — matters far more than the label "lessor of real estate."

For the full, company-by-company detail, read the four child primers: [53111] residential, [53112] nonresidential, [53113] self-storage, and [53119] land — each of which contains the complete investable-universe table, cap-rate math, and risk list for its segment.

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Sources

1. U.S. Census Bureau, 2022 NAICS Definitions — Group 5311 and industries 53111/531110, 53112/531120, 53113/531130, 53119/531190 (hierarchy, single-child structure, exclusions). https://www.census.gov/naics/?year=2022
2. U.S. Census Bureau, County Business Patterns 2023 — NAICS 5311 (establishments 136,539; employees 605,793; annual payroll $38.074B; Q1 payroll $10.624B). [Histometrics ingested federal statistic.] https://data.census.gov/table/CBP2023.CB2300CBP
3. U.S. Census Bureau & child primer 53111 — County Business Patterns 2023 and 2022 Economic Census, NAICS 53111 (74,459 establishments; $162.3B receipts; 55,397 firms; CR4 8.8%, HHI 34.9); apartment/SFR REIT and private-owner detail. https://data.census.gov/table/ECNBASIC2022.EC2253BASIC
4. U.S. Census Bureau & child primer 53112 — CBP 2023 and 2022 Economic Census, NAICS 53112 (34,559 establishments; ~$155.2B receipts; 33,656 firms; CR4 11.1%, HHI 64); office/industrial/retail REIT and private-owner detail. https://data.census.gov/table/ECNBASIC2022.EC2253BASIC
5. U.S. Census Bureau & child primer 53113 — CBP 2023 and 2022 Economic Census, NAICS 53113 (18,564 establishments; $20.6B receipts; 8,946 firms; CR4 42.7%, HHI 606); self-storage REIT detail, ~49,000–52,000 facilities, ~$39–44B trade revenue estimate. https://data.census.gov/table/ECNBASIC2022.EC2253BASIC
6. U.S. Census Bureau & child primer 53119 — CBP 2023 and 2022 Economic Census, NAICS 53119 (8,957 establishments; ~$11.7B receipts; 7,019 firms; CR4 29.4%, HHI 258.9); farmland/timber/ground-lease/manufactured-home REIT detail. https://data.census.gov/table/ECNBASIC2022.EC2253BASIC
7. U.S. Census Bureau, 2022 Economic Census — NAICS 5311, concentration statistics (receipts $349.885B; 104,669 firms; CR4 5.4%, CR8 9.6%, CR20 18.2%, CR50 28.6%; HHI 21.9). [Histometrics ingested federal statistic.] https://data.census.gov/table/ECNBASIC2022.EC2253BASIC
8. U.S. Census Bureau, 2024 Rental Housing Finance Survey (18.965M rental properties, 49.722M units; ~70% individual-owned). https://www.census.gov/programs-surveys/rhfs.html
9. U.S. Small Business Administration, 13 CFR §121.201, Small Business Size Standards (real-estate lessors: $34.0M average annual receipts, effective 2023). https://www.sba.gov/document/support-table-size-standards
10. Clarion Partners / Nareit, Estimating the Size of the Commercial Real Estate Market (≈89% private / ≈11% listed, Q4 2024). https://www.reit.com/news/blog/market-commentary/estimating-size-commercial-real-estate-market
11. USDA National Agricultural Statistics Service, 2024 Tenure, Ownership, and Transition of Agricultural Land (TOTAL) Survey (2.09M landlord entities; 347.8M rented acres; $1.66T assets; $34.1B rent, 2024). https://www.nass.usda.gov/Publications/Highlights/2026/TOTAL24.pdf
12. Nareit / EY, Economic Contribution of REITs in the U.S. in 2024 (~190 REITs in the FTSE Nareit All Equity index, 28 in the S&P 500; ~$1.6T listed equity; ~170M Americans own REITs). https://www.reit.com/data-research
13. Blackstone / BREIT 2025 Form 10-K; National Multifamily Housing Council, 2026 Top 50 Owners/Managers (Blackstone ~$319B real-estate AUM; BREIT ~63,918 SFR homes; Greystar No. 1; Morgan Properties ~110,475 apartments); AvalonBay–Equity Residential merger-of-equals announcement (May 2026). https://www.sec.gov/cgi-bin/browse-edgar
14. Nareit, REIT Industry Fact Sheet — data as of January 30, 2026 (apartment REITs ~$113.2B equity; SFR REITs ~$28.0B); FY2025 SEC filings for AVB, EQR, MAA, UDR, CPT, ESS, INVH, AMH. https://www.reit.com/data-research/reit-market-data
15. Public Storage & National Storage Affiliates, Public Storage to Acquire National Storage Affiliates (all-stock, ~$10.5B; expected Q3 2026 close), March 2026; U-Haul Holding fiscal 2026 results (99.0M sq ft storage). https://investors.publicstorage.com/news-events/press-releases/
16. FY2025 SEC filings and Nareit REIT Directory (July 2026 snapshot) for LAND, FPI, WY, RYN, SAFE, ELS, SUI; Rayonier–PotlatchDeltic merger closing (January 2026). https://www.reit.com/investing/reit-directory
17. Nareit glossary, Net Operating Income, Capitalization Rate, Funds From Operations, Adjusted FFO, NAV; SEC non-GAAP FFO guidance. https://www.reit.com/glossary
18. Federal Reserve Board, Financial Stability Report, November 2025; CBRE, U.S. Cap Rate Survey, H2 2025 (cap-rate levels and interest-rate sensitivity). https://www.federalreserve.gov/publications/financial-stability-report.htm
19. U.S. Internal Revenue Service, Instructions for Form 1120-REIT (90% distribution requirement; 75% asset and income tests); Internal Revenue Code §§856–860. https://www.irs.gov/instructions/i1120rei
20. U.S. Department of Housing and Urban Development, Fair Housing Act Overview; U.S. Department of Justice, U.S. and Plaintiff States v. RealPage, Inc. (algorithmic-pricing antitrust litigation). https://www.hud.gov/helping-americans/fair-housing-act-overview

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Data-vintage notes: Section 3 group figures are Histometrics' ingested federal data for NAICS 5311 — County Business Patterns 2023 (establishments, employment, payroll) and the 2022 Economic Census (firm count, receipts, concentration ratios and HHI) [2][7]. Child-level federal figures [3]–[6] are the corresponding ingested statistics for 53111/53112/53113/53119 and sum to the group totals (establishments and employment reconcile exactly; receipts and payroll reconcile to rounding). All four children are single-national-industry pass-throughs, so each 5-digit code equals its 6-digit child in scope and statistics. Asset-stock, company, market, and regulatory context are drawn from the four child primers and their cited USDA, SEC, Nareit, Clarion, MBA, HUD, DOJ, and Federal Reserve sources. Federal business surveys count employer firms only and materially understate this group — most rental real estate is owned by individuals and pass-through entities with no payroll — so asset-base and total-rent claims lean on the housing-stock, CRE-universe, storage-almanac, and USDA land surveys, not the ~137,000 counted establishments. Reported facts carry citations; forward-looking statements are labeled analytical judgments, not forecasts.