In This Guide
What Is Small Bay Industrial?
Small bay industrial refers to multi-tenant industrial buildings where individual units typically range from 1,000 to 5,000 square feet. Each unit includes at least one grade-level overhead door, sufficient clear height for a van or small truck (usually 12–16 feet), and basic utilities. The format is intentionally functional, not flashy. Concrete floors, metal walls, simple HVAC, and reliable power are the product.
The "bay" is the fundamental unit of the building: a rectangular module with its own door, often shared wall construction, that can be leased independently. Buildings typically contain anywhere from 6 to 40+ bays, depending on the site and developer preference. Some buildings are single-story; some contain a small mezzanine office within each unit. The common thread is that each tenant operates autonomously with their own overhead door and street-facing presence.
Small bay industrial is distinct from "big bay" or "bulk" industrial, which serves large distribution and manufacturing operations and requires buildings of 100,000 square feet or more with dock-high loading, heavy power, and extensive trailer staging. It's also distinct from flex industrial, which typically features a higher office ratio and is designed for light assembly or R&D uses. Small bay is purely functional: it's built for people who need to store equipment, run a trade operation, or manufacture at small scale.
The product is not new, industrial parks with multi-tenant small bays have existed since the postwar suburban buildout, but the investment category has gone largely unnoticed by institutional capital. That's starting to change.
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Who Rents Small Bay Industrial?
The tenant base for small bay industrial is broad and durable. The common profile: a small business owner who runs a trade, service, or light production operation and needs a place to park vehicles, store materials, and work on equipment, not a fancy address. These tenants are the backbone of local economies and they're notoriously sticky.
Typical tenant categories include:
- Contractors and trades: plumbers, electricians, HVAC techs, landscapers, general contractors. They need shop space, vehicle storage, and material storage. They often have 1–5 employees and don't need or want office space.
- Light manufacturing: small-run fabricators, custom sign shops, woodworkers, metal fabricators. They need a bay with adequate power and clearance to run equipment.
- E-commerce and last-mile fulfillment: small online retailers who've outgrown their garage and need a place to receive, stage, and ship product. This segment has grown meaningfully since 2020.
- Auto-related businesses: detailers, mechanics, restoration shops, upholstery shops. They need grade-level doors and adequate vertical clearance.
- Creative and maker businesses: artists, photographers with oversized equipment, prop builders, craft brewers starting small. These tenants often want the industrial aesthetic alongside the function.
What makes these tenants economically valuable is their high switching cost. Moving a trade operation, all the equipment, the established location, the signage, the infrastructure, is expensive and disruptive. Vacancy rates in well-located small bay product consistently run below 5% in most markets. Tenants who sign a lease often stay for 5–10 years with renewals.
Read the full article: Who Rents Small Bay Industrial Space? →
Why Is There a Supply Gap?
Demand for small bay industrial space is structural and growing. Supply has not kept pace. This gap is not accidental, it's a function of who builds things and what they're incentivized to build.
Large industrial developers build large industrial buildings. The economics of developing a 500,000-square-foot distribution center are fundamentally different from developing a 30,000-square-foot multi-tenant small bay complex. The big-bay product is simpler to underwrite: one or two tenants, long-term leases, nationally recognized credit, clean exit to an institutional buyer. Small bay involves many tenants, shorter leases, active management, and a buyer pool made up of private investors and regional operators. Institutions don't want the management complexity.
At the same time, local developers who traditionally supplied small bay product have faced rising land costs, more complex entitlements, and a construction cost environment that makes small projects harder to pencil without sophisticated equity. The supply gap widens every year demand grows.
The result is that in most secondary Midwest markets, available small bay inventory is aging (much of it built in the 1960s–1980s), functionally obsolete (low clear height, no modern power), or in poor condition. New supply is minimal. Tenants who need space often cannot find it, and when they do, they pay premium rates for inferior product.
What Does It Cost to Build Small Bay Industrial?
Development costs vary meaningfully by market, building spec, and site conditions. The following provides a general framework; all-in costs should be verified with local contractors and project-specific analysis.
Land
Land cost is the most variable input. In secondary Midwest markets, industrial-zoned land can range from a small fraction of total project cost to the single largest variable on the budget. Our current Delta Township project acquired its full site for $122,000, about 2% of a $5.4MM total budget. Access, visibility, zoning, and parcel configuration all affect price. Ideally, a small bay site has frontage on a high-traffic road, is rectangular, and is already zoned light industrial without a significant entitlement process.
Hard Construction Costs
Construction costs for a basic small bay complex, tilt-up or metal building construction, grade-level doors, simple HVAC, concrete floors, generally range from $80 to $140 per square foot nationally depending on market and spec. Our current Lansing-area project is budgeted at $95 per square foot in hard costs plus a 5% contingency. This range does not include site work, which can add meaningfully in markets with poor drainage, fill requirements, or significant utility extension.
Soft Costs
Architecture, engineering, permits, legal, and financing costs typically run 8 to 10% of hard costs on our recent projects, including the development fee. Industry guidance often quotes 10 to 15%; repeat plan sets and simple entitlements keep our number lower. Markets with more complex entitlement processes will be at the higher end. Projects with pre-negotiated plan sets or repeat design can compress this significantly.
Contingency
Given current construction market volatility, developers should carry a 10–15% contingency on hard costs, particularly for ground-up projects.
Read the full article: What Does It Cost to Build Small Bay Industrial? →
How Do the Economics Work for Investors?
Small bay industrial generates returns through two primary mechanisms: operating cash flow (in-place rents from multiple tenants) and capital appreciation (value growth as NOI grows and/or cap rates compress). Compared to other asset classes, small bay industrial offers a compelling combination of cash yield, low correlation with economic cycles, and relatively simple operations.
Key financial characteristics:
- NNN or modified gross leases: Most small bay leases are structured on a net basis, meaning tenants pay base rent plus their share of taxes, insurance, and CAM. This insulates landlord cash flow from operating cost inflation.
- Durable demand: Trade businesses, contractors, and light manufacturers are not going remote. Their space requirements are physical and local. This buffers the asset class against the structural demand destruction that has challenged office and retail.
- Multiple tenants = distributed risk: Unlike a single-tenant net-lease building where one vacancy = 100% vacancy, a 20-unit small bay complex at 5% vacancy has 19 paying tenants. This distribution makes cash flow significantly more predictable.
- Value-add opportunity: Older small bay stock often has below-market rents and deferred maintenance. Acquiring, improving, and re-tenanting this stock at market rates creates substantial value.
Dymaxion structures deals on a project-by-project basis, with transparent reporting and preferred return structures designed to align incentives between the developer and its capital partners. We do not pool capital across deals, each investment is discrete and understandable.
Read the full article: How to Invest in Small Bay Industrial Real Estate →
What Do Landowners Need to Know?
If you own industrial-zoned land in a secondary Midwest market, you're sitting on something genuinely valuable, and you have more options than you might think. The most common choice is simply to sell, but that's not always the highest-value path.
The three primary options for an industrial landowner:
- Sell outright: The simplest path. You receive market value now but give up all future upside. The market for industrial land has been strong; a good broker can price your parcel competitively. Best when you want liquidity and don't want any ongoing involvement.
- Develop yourself: Highest potential return, but requires access to construction financing, development expertise, and property management capability. Most landowners don't have all three. Those who try without them tend to experience significant cost overruns or operating problems post-delivery.
- Partner with a developer: A middle path. You contribute land value (often as equity), the developer brings construction, management, and capital raise expertise, and you share in the returns without taking on the full burden of development. This is the model Dymaxion actively pursues with landowners who want to participate in the upside of their asset's development.
Dymaxion looks for sites that are industrially zoned or realistically able to be rezoned, on a public road with good visibility, with utilities available at or near the site, and large enough to support a meaningful first phase. Our current Delta Township project fits 33 units and 44,160 leasable square feet on a single site. If you own land and are open to a conversation, the intake form below is the best starting point.
Read the full article: I Own Industrial Land, What Are My Options? →
How Dymaxion Approaches Small Bay
Dymaxion Development builds, owns, and operates small bay industrial assets in secondary Midwest markets. We are not a broker, fund manager, or passive aggregator, we develop ground-up projects, manage them in-house through our property management affiliate DPMG Prime, and hold them as long-term operating assets.
Our model is built on three beliefs:
- Secondary markets are the opportunity. Gateway markets (Chicago, Detroit core) have well-capitalized competitors and thinner margins. Secondary markets, Lansing, Kalamazoo, Flint, Saginaw and similar, have the same structural demand dynamics but far less institutional competition. We know these markets because we operate in them.
- In-house management creates durable value. Property management is where industrial portfolios succeed or fail at the unit level. Tenant selection, lease execution, maintenance response time, and renewal management are all active decisions that affect NOI. We don't outsource this.
- Ground-up is better than buy-and-hold old stock. While value-add plays in aging industrial can make sense, new construction delivers modern clear heights, updated power, proper drainage, and contemporary appeal that retains tenants longer and commands better rents. We build to hold.
If you're an investor, landowner, or prospective tenant, the intake form below or the spoke articles in this hub are the right starting points.













