Small Bay Industrial Conversions Cost More Than Investors Expect

Written by:

Rudi Davis

Date:

22 Mar 2026

Share

Share via Facebook

Share via Linkedin

Share via X

Copy to clipboard

Institutional capital is flowing into small bay industrial acquisitions. Yet many investors are underestimating the true cost of converting older buildings, according to Patrick Rodgers, Chief Revenue Officer at RISE Commercial District. Many of these properties were not designed for small bay use, and retrofitting them often requires modifications that exceed original budgets.

The core issue lies in the sector’s recent emergence. Small bay industrial is a relatively new asset class. Many buildings now targeted for conversion were originally built as lumber yards, manufacturing facilities, or standard warehouses. These structures typically lack features that small bay tenants expect: individual unit access, sufficient electrical capacity for multiple tenants, distributed HVAC systems, and bathrooms throughout the property.

Rodgers warns that investors often overlook the extent of work required. “These buildings didn’t use to have a segment or an asset type, so the modifications can be much more extensive than expected if you haven’t done thorough due diligence,” he says. Conversion costs can escalate quickly if investors fail to assess each building’s unique challenges.

This risk is especially pronounced for investors coming from sectors like self-storage, where conversions are more predictable. Wide variability in condition, prior alterations, and structural needs makes it difficult to apply standard cost assumptions across acquisitions.

Conversions Demand Deeper Due Diligence

Converting vintage buildings for small bay use demands more rigorous due diligence than typical industrial acquisitions. Investors must analyze not only the building’s shell and main systems but also the viability of subdividing space, the adequacy of electrical and plumbing infrastructure for multiple tenants, and the feasibility of creating separate unit entrances.

Rodgers notes that small bay operations are more demanding than traditional industrial operations, especially in terms of infrastructure. Each site often supports 100 to 115 businesses, each requiring separate utility metering, individual climate control, and dedicated access. Installing these systems in buildings never designed for them can require significant capital investment.

“It’s a much more operationally intensive business,” Rodgers says. Investors need to partner with experienced third parties or work with a platform capable of managing these complex sites.

This operational complexity starts during the conversion itself. Unlike typical industrial upgrades — which may focus on roof repair, HVAC updates, or loading dock improvements — small bay conversions often require gutting interior layouts, installing new electrical panels and wiring, building bathrooms, and adding doors and security systems for each unit.

Investor Demand Surges, Risks Remain

Even with these challenges, investor demand for small bay industrial remains strong. Rodgers reports that attendance at the Small Bay Summit jumped from about 100 attendees in 2025 to 650 in 2026, reflecting a surge in institutional interest. Major firms like Kayne Anderson are entering the sector through joint ventures and partnerships.

The appeal is clear: small bay industrial properties offer acquisition prices below replacement cost, rents below market averages, and vacancy rates significantly lower than those of traditional industrial assets. The sector is highly fragmented, dominated by small operators with limited institutional ownership and no REITs, creating opportunities for consolidation.

However, Rodgers stresses that understanding the operational demands is essential. “Momentum is high, but the operational component is huge,” he says.

Investors accustomed to self-storage, where most properties are purpose-built and conversions are rare, may underestimate both the time and capital required to reposition older industrial assets as small bay facilities. This is particularly risky for those pursuing aggressive acquisition strategies without prior operational experience. Buildings that look similar in size, location, and age can have vastly different conversion needs based on past usage and existing infrastructure.

Blending Development and Acquisitions Cuts Risk

To address these risks, Rodgers recommends a blended approach that combines new development with acquisitions. RISE is currently raising capital for a fund targeting both strategies, allowing the company to offset the higher upfront costs and longer timelines of new construction with the faster deployment, but higher conversion risk, of acquisitions.

This approach gives RISE more control over quality and unit layout through development, while still generating immediate cash flow and scale through acquisitions. “We believe that we have the infrastructure and opportunity to go out and achieve that,” he says, referencing RISE’s aim to build a national platform similar to Public Storage in self-storage.

Development allows for precise control over the final product but involves longer timelines and exposure to construction cost fluctuations. Acquisitions can be executed more quickly and generate cash flow sooner, but they bring the risk of unforeseen capital expenditures during conversion. By pursuing both, operators can balance the risks and avoid overexposure to either strategy.

RISE is moving forward with three new developments set to open in 2026 — in St. Peters, Mo.; Milford, Ohio; and Mount Comfort, Ind. — and has two more projects in its pipeline. These ground-up developments run alongside RISE’s acquisition efforts, enabling the company to sustain growth while managing the distinct risks of each path.

The tight supply of small bay industrial properties supports both strategies. Vacancy rates remain well below those of the broader industrial market, and new supply is limited. This environment favors operators who can accurately underwrite the capital needs and operational complexity of both development and conversion.

Operational Expertise Separates Winners

As institutional capital continues to flow into small bay industrial, success will depend on realistic assessments of conversion costs and operational demands. Growth prospects remain strong, but the most successful operators will be those who understand the specialized requirements of both real estate and business operations. Relying on assumptions from other property types, especially self-storage, could lead to costly mistakes.

The next phase of sector growth will favor those who combine rigorous due diligence, operational know-how, and diversified strategies. For investors and operators willing to tackle the complexity, small bay industrial offers significant opportunity — but only if they accurately account for the true costs of turning yesterday’s buildings into today’s assets.