Underutilized office buildings need more than cosmetic repositioning. They need a new operating thesis. Coworking and flexible workspace can turn static vacancy into a more active income platform, but the approach has to be tested against layout, pricing, demand, capital cost, staffing, and the owner's appetite for operational involvement.
Why Class B and C office assets are under pressure
Class B and C office buildings often sit in the middle of an uncomfortable market. They are not always cheap enough to win purely on price, and they usually cannot compete with new trophy assets on amenities, brand, or workplace experience. When traditional tenants are cautious, long-term vacancy becomes more than a temporary leasing problem.
That is where flexible workspace can become a strategic option. It changes the unit of demand. Instead of waiting for one larger tenant to absorb an entire suite or floor, ownership can serve smaller businesses, satellite teams, remote workers, professional services firms, and enterprise users that need access without a conventional lease.
The return case is built on four levers
1. Start with the building, not the trend
The first question is not whether coworking is popular. The first question is whether the building can physically and economically support a flex workspace product. Layout, elevator access, restroom locations, HVAC zones, parking, signage, natural light, and floor plate depth all affect the conversion model.
A building with stranded small suites may be a strong candidate. A deep floor plate with poor subdivision logic may require too much capital to create a competitive product. The property has to be evaluated as an operating environment, not just as available square footage.
2. Match the product to real local demand
A conversion strategy should not copy a large urban coworking brand by default. Many Class B and C assets perform better with a practical local product: private offices, team rooms, meeting space, quiet work areas, podcast or content rooms, training rooms, mail plans, and local business services.
The right mix depends on the submarket. A suburban professional services corridor, a downtown recovery district, a medical office cluster, and a university-adjacent asset may each require a different offer.
3. Underwrite the operating model before design
Owners often want to begin with layouts and finishes. The better sequence is to build the model first. How many sellable offices can the building support? What is the pricing range? What occupancy ramp is realistic? What staff is required? What marketing system will produce leads? What technology stack is needed? What happens if stabilization takes longer than expected?
Those questions determine whether the conversion improves returns or simply replaces leasing risk with operating risk.
4. Choose the right control structure
There are several paths for ownership. The landlord can lease space to an operator, pursue a management agreement, create an owner-operated flex layer, or run a hybrid model where the flex program supports broader leasing and asset management goals.
Each option changes the economics. A lease provides cleaner landlord income but may limit upside and control. A management agreement can align incentives but requires stronger oversight. Owner-operated flex creates the most control and potential upside, but it also demands real operating capability.
Quick diagnostic: when a conversion deserves serious study
- The building has persistent vacancy that standard rent reductions have not solved.
- The submarket has small-business, professional, enterprise satellite, or remote-work demand.
- The asset has enough visibility, parking, access, and identity to support a customer-facing workspace product.
- The floor plate can create efficient private offices, meeting rooms, and shared areas without extreme capital cost.
- Ownership is willing to evaluate the space as an operating platform, not just a real estate lease-up problem.
5. Treat coworking as an asset-management tool
The strongest flex strategies do not treat coworking as a standalone novelty. They use it to improve the performance of the whole asset. A coworking layer can make a building easier to tour, create activity in underused areas, give traditional tenants access to meeting rooms, and provide a bridge for prospects that are not ready for conventional leases.
In that sense, the coworking center becomes part of the building's leasing engine, amenity strategy, and income plan.
6. Measure the return after operating costs
Revenue per square foot can look attractive on paper, but the return only matters after costs. Staffing, software, utilities, cleaning, coffee, internet, furniture, repair reserves, member acquisition, and ongoing community management all need to be included.
The goal is not to create the prettiest space. The goal is to create a repeatable operating model that can improve the asset's financial position and market relevance.
Have an underutilized office building?
We help owners test whether a coworking or flexible workspace conversion can support a stronger operating model, including product mix, pricing, ramp assumptions, capital implications, and go-to-market strategy.
Request a Flex Feasibility ScanFrequently Asked Questions
Are Class B and C buildings good candidates for coworking?
Sometimes. They can be strong candidates when the location, access, layout, parking, local demand, and economics support a differentiated flexible workspace product.
Is this a design project or an operating project?
It is both, but the operating model should lead. Design must support the revenue plan, staffing model, sales process, and member experience.
What is the first step?
Run a feasibility scan before committing to construction. The scan should test local demand, pricing, product mix, capital cost, ramp timing, and ownership structure.