The Rise of Small Bay Industrial: Why This Asset Class Is Outperforming Traditional CRE
For twenty years, capital allocators treated industrial as a monolith. Money poured into mega-warehouses and Class A distribution centers, all chasing the same thesis: e-commerce growth requires more logistics square footage.
That thesis was correct. But it missed the most compelling sub-sector within industrial -- the one quietly delivering better risk-adjusted returns than almost any other property type in commercial real estate.
Small bay industrial -- multi-tenant buildings with individual bays under 20,000 SF, serving contractors, light manufacturers, e-commerce operators, and service businesses -- has outperformed office, retail, multifamily, and even large-format logistics across nearly every meaningful metric since 2019. And the structural forces driving that outperformance are accelerating, not fading.
This isn't a cyclical story. It's a structural shift in how American businesses use space.
The Numbers Don't Lie
Returns
Small bay industrial has generated unlevered total returns of 12-15% annually over the past five years, per NCREIF and MSCI data on sub-50,000 SF industrial assets. For context:
- Big-box logistics: 9-12% (strong, but decelerating as cap rates compressed to 4.0-5.0%)
- Multifamily: 6-9% (rent growth has stalled in oversupplied Sun Belt markets)
- Office: -2% to +3% (still repricing post-pandemic)
- Retail: 5-8% (recovering, but selective)
The outperformance isn't just appreciation. Small bay delivers higher current yields -- cap rates of 5.5-7.5% in Texas versus 4.0-5.5% for institutional big-box -- while simultaneously enjoying stronger rent growth and lower volatility.
Vacancy
National small bay vacancy hovers near 4.5%, well below the 20-year average of 7-8%. In Texas, it's even tighter:
- Dallas-Fort Worth: 3.8% for sub-20,000 SF bays
- Houston: 4.2%, with pockets below 2% in northwest and Katy corridors
- Austin: 3.1%, the tightest major market in the state
- San Antonio: 4.5%, declining for the sixth consecutive quarter
Compare that to office at 19.6% nationally and retail at 5.8%, and the relative attractiveness becomes obvious.
Rent Growth
Small bay rents in Texas have grown 6-9% annually over the past three years. Nationally, 5-7% annual growth, outpacing inflation and most other property types.
What makes this rent growth durable is its composition. Unlike big-box -- where growth has been driven by a relatively small number of large tenants competing for premium space -- small bay rent growth is broad-based across thousands of small tenants, making it far less vulnerable to demand shocks from any single industry or company.
Macro Trend #1: E-Commerce Last-Mile Fragmentation
The first-generation e-commerce supply chain was centralized: massive fulfillment centers shipping directly to consumers. That worked when two-day delivery was the standard.
The next generation is distributed micro-fulfillment -- smaller inventory nodes close to population centers enabling same-day and next-day delivery at lower cost. And the physical format that best serves micro-fulfillment isn't a 500,000 SF distribution center. It's a 3,000-10,000 SF bay in a multi-tenant building.
Why small bay fits
Micro-fulfillment operators need:
- Proximity to residential areas, not interstate interchanges
- Grade-level loading for van-based delivery, not dock-high doors for tractor-trailers
- Flexible lease terms for rapid scaling, not 10-year net leases
- Low total occupancy cost, not Class A finishes
A DTC brand can lease a 5,000 SF bay, stage regional inventory, pack orders, and dispatch deliveries for $4,000-$6,000/month in most Texas markets. Try doing that in a big-box sublease at $8-12 PSF NNN with a 50,000 SF minimum.
The data
Active e-commerce sellers on Amazon alone grew from 2.3 million in 2019 to over 4.7 million in 2025. The vast majority do $100K-$5M in annual revenue -- exactly the small bay tenant profile. As they outgrow garages and self-storage but can't justify big-box space, they land in small bay.
This is already the largest single driver of small bay leasing in DFW and Houston, accounting for an estimated 25-30% of new lease signings in the sub-10,000 SF range.
For a deeper look at how return logistics specifically create tenant demand, see our analysis of how e-commerce returns are fueling demand for shallow bay flex space.
Macro Trend #2: Reshoring and Nearshoring
COVID exposed the fragility of extended global supply chains. Since then, geopolitical tension, tariff policy, and corporate risk management have triggered the most significant manufacturing reshoring wave in a generation.
The scale
The Reshoring Initiative tracked over 350,000 announced manufacturing and related jobs returning to or newly sourced in the U.S. between 2021 and 2025. Capital expenditure announcements exceeded $450 billion.
But here's the nuance most analysts miss: it's not primarily about building new semiconductor fabs and EV battery plants. The headline projects get attention, but the supply chain ecosystem surrounding them -- component suppliers, fabricators, packagers, service providers -- requires orders of magnitude more total square footage, distributed across far more locations.
Those ecosystem companies overwhelmingly lease small bay industrial space.
The cascade effect
When a major manufacturer announces a Texas facility, it triggers:
- Tier 1 suppliers within 50-100 miles, leasing 10,000-50,000 SF
- Tier 2 and 3 suppliers leasing 3,000-15,000 SF bays for specialty parts
- Service providers -- maintenance, tooling, calibration, packaging -- in 2,000-8,000 SF flex bays
- Workforce services -- staffing, training, uniforms -- taking additional small bay space
Samsung's $17 billion fab in Taylor has already generated an estimated 800,000+ SF of secondary space demand in the surrounding area, with the majority in the small bay category. Similar cascades are underway around TI's expansion in Sherman, Flex's Austin operations, and defense/aerospace projects across DFW and San Antonio.
We cover this in detail in our post on supply chain reshoring and small bay industrial demand.
Macro Trend #3: The Shift from Big-Box to Flexible Footprints
For a decade, the industrial development pipeline was dominated by big-box. Developers could build 500,000 SF spec distribution centers, pre-lease to a credit tenant, and sell to institutional buyers at 4% caps. Irresistible math.
That math is changing.
Big-box supply is catching up
National big-box vacancy has risen from 3.0% in late 2021 to roughly 6.5% in early 2026 as the massive 2021-2023 development pipeline delivers into a market where e-commerce growth has normalized. Phoenix, the Inland Empire, and parts of DFW exceed 8%.
Amazon alone has shed over 30 million SF since its 2022 peak, flooding markets with large-format availability.
Tenants are right-sizing
Across industries, tenants are shifting from fewer large locations to more numerous smaller ones:
- Supply chain resilience: Distributed inventory reduces single-point failure risk
- Labor market access: Smaller facilities in more locations tap wider labor pools
- Speed to market: Smaller leases execute in weeks, not months
- Capital efficiency: A 5,000 SF bay at $3,000/month requires far less working capital than a 100,000 SF commitment
The tenant who would've leased a single 50,000 SF space five years ago now leases five 10,000 SF bays in different submarkets. Total footage similar, format fundamentally changed -- and small bay landlords are the beneficiaries.
Macro Trend #4: Skilled Trades Expansion
The U.S. is in the middle of the most significant skilled trades labor shortage in decades. Over 3 million workers projected to retire by 2028, with the pipeline unable to keep pace.
Paradoxically, this shortage is good for small bay demand.
Rising wages attract new entrants
Skilled trades wages have grown 15-25% since 2020 in most Texas markets. Electricians, plumbers, HVAC techs, and GCs are earning more in real terms than they have in decades. Higher wages mean more people starting trades businesses, and every new trades business needs a bay -- typically 2,000-5,000 SF with grade-level loading and yard space.
Existing firms are expanding
Trades firms winning in a labor-constrained market are growing rapidly. The HVAC company that operated from 3,000 SF three years ago now needs 8,000 SF for a growing fleet, expanded parts inventory, and additional staff. Organic growth is a powerful and underappreciated driver of small bay absorption.
In Texas, construction-related trades account for an estimated 20-25% of small bay tenancy -- the largest single category after e-commerce and general warehousing.
Why the Competition Can't Keep Up
Small bay's outperformance isn't just about strong demand. It's equally about structural weaknesses in competing asset classes.
Office
Generational repricing. Remote and hybrid work have permanently reduced demand 15-20% nationally. Conversion is expensive and often impractical. Vacancy keeps rising. Even the best office assets in the strongest markets struggle to match small bay returns.
Retail
Selectively recovering -- experiential retail, grocery-anchored, and QSR pads are fine. But higher capex, shorter leases, and greater consumer spending sensitivity mean risk-adjusted returns trail small bay by 200-400 basis points.
Multifamily
The darling of 2020-2022, now drowning in supply. A massive pipeline -- especially in Texas and other Sun Belt markets -- has pushed vacancy above 7% in many metros. Rent growth is negative in some submarkets. The correction has months, if not years, to play out.
Big-box logistics
Fundamentally sound, but cap rate compression and rising vacancy are reducing forward returns. More importantly for private investors, the $20M+ per asset entry point and institutional competition make it largely inaccessible. For a detailed comparison, see small-bay vs. big-box logistics.
The Supply Side: Why Nobody's Building More
Perhaps the most important -- and least discussed -- factor in small bay's outperformance: there's almost no new supply being built.
The economics don't pencil
Building a 50,000 SF multi-tenant small bay costs $120-$160 PSF in most Texas markets (land, site work, TI). At achievable rents of $10-$14 PSF NNN, development yields are 6-7% before lease-up risk and management complexity.
A 300,000 SF spec distribution center? $80-$100 PSF, single-tenant structure, institutional buyer demand at exit. Developers overwhelmingly choose big-box.
The result: a persistent and growing supply gap in small bay that protects existing owners from new competition.
Conversion is no fix either
Converting big-box to multi-tenant small bay is technically possible but economically challenging -- demising walls, individual HVAC, separate meters, multiple loading doors can cost $40-$60 PSF. Rarely pencils unless the big-box was acquired at a deep discount.
What This Means for Investors
The convergence of these trends creates a clear thesis: small bay industrial isn't just outperforming today -- the structural forces are durable and self-reinforcing.
For individual investors ($1M-$10M)
Small bay is one of the few asset classes where individual investors have a structural advantage over institutions. Over 60% of Texas small bay is owned by individuals or small entities, creating consistent off-market opportunities at below replacement cost.
The playbook:
- Source off-market through data-driven owner prospecting and direct outreach
- Acquire at 6.5-7.5% cap rates from mom-and-pop owners with below-market rents
- Stabilize and improve through lease-up, rent bumps, and targeted capital improvements
- Hold for cash flow at 8-10% cash-on-cash, or sell to an aggregator at a compressed cap rate
For small to mid-size funds ($10M-$100M)
The aggregation opportunity is significant. Assembling 10-20 properties in a single metro creates institutional-quality scale from a fragmented base. Portfolio premiums of 50-100 basis points on exit cap rates are achievable.
For owner-occupants
If you own a business occupying small bay in Texas, the case for buying rather than leasing has rarely been stronger. Occupancy costs are rising, and owner-occupied properties benefit from SBA 504 financing (10% down, below-market fixed rates) while building equity in an appreciating asset.
Finding the Right Opportunities
The challenge isn't the thesis -- the fundamentals speak for themselves. The challenge is sourcing: finding the right properties, identifying motivated sellers, and moving before the competition.
The highest-potential opportunities share several characteristics:
- Below-market rents with near-term lease expirations that allow mark-to-market
- Mom-and-pop ownership with limited management infrastructure
- Strong submarket fundamentals with low vacancy and growing demand
- Value-add potential through operational improvements, not speculative development
SpanVor helps investors identify exactly these opportunities. Our platform aggregates data on over 227,000 industrial properties across Texas, with AI-powered scoring that surfaces the highest-potential targets based on ownership characteristics, market position, and property fundamentals.
Search small bay and flex industrial properties across every major Texas metro, explore deals visually on our interactive map, or sign up free to start building your pipeline. The macro trends are clear. The supply constraints are durable. The opportunity is now.