By Christopher Tiessen, Contributing Writer

Key Takeaways:  

• As outpatient demand grows and medical office space remains scarce, parking capacity is becoming a critical factor in determining which healthcare sites are viable for development and expansion. 
• Adaptive reuse projects often struggle because existing parking was designed for retail or office uses, creating shortages that disrupt patient access, scheduling and overall operational efficiency. 
• Healthcare organizations can unlock more viable sites by treating parking as a strategic design variable early in the planning process through demand modeling, shared-use agreements and innovative parking solutions. 

Healthcare systems need more sites, and the parking footprint often decides which ones they realistically can have. 

Healthcare is walking into this trap at scale. JLL's 2026 Medical Outpatient Building Perspective puts occupancy at a record 92.7 percent, while Cushman & Wakefield reports that new construction represents just 2.2 percent of existing inventory and declined 10 percent year over year. 

Demand for new sites keeps climbing anyway, and an aging population is driving outpatient volume growth. Eight of the ten fastest-growing categories of patient volume sit in outpatient services. Savvy owners and facility managers need to pay closer attention to parking considerations during a project’s planning. 

Picture a parking lot outside a busy imaging center at 9:40 a.m. on a Tuesday. Cars circle. A patient scheduled for 9:45 a.m. hunts for a stall, and the schedule after her is already compressing. 

Nothing about that scene appears in a new site’s pro forma, yet it repeats daily at outpatient facilities across the country. The engine behind that scene is turnover — the short-visit rhythm that lets one parking stall serve eight to ten patients in a day. 

That efficiency cuts both ways because undersupply compounds just as fast. A shortfall of 20 stalls translates into hundreds of delayed arrivals over a week, and delayed arrivals become shortened appointments and gaps in the day that clinical staff can never quite recover from. 

For a patient in her late 70s managing mobility limitations, 10 minutes of circling followed by a 400-foot walk creates a barrier to care. Demographically, she is also exactly the patient these buildings increasingly serve. Facilities teams tend to file parking under code compliance, but in ambulatory settings, parking belongs in the same conversation as exam room counts and patient throughput because it governs whether the visit happens at all. 

The conversion trap 

Adaptive reuse has become the healthcare sector's favorite answer to scarce land - and for good reason. Vacant retail boxes and half-empty office buildings offer square footage, existing structures and locations near the populations that health systems want to serve. 

What these buildings also offer is parking engineered for someone else’s business. Retail parking assumes evening and weekend peaks. Office parking assumes one car per worker sitting in a stall for eight hours. 

By comparison, outpatient healthcare demand stacks steep weekday peaks on top of constant turnover, filling the parking lot at precisely the hours the original design assumed it would sit empty or hold commuter cars all day. 

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This mismatch surfaces repeatedly on mixed-use projects, and it generally surfaces late in the planning process. The ratios clear zoning, the site plan looks fine on paper, and then the demand modeling comes back, or worse, the building opens, and the team discovers a parking lot that fills by 10 a.m. every weekday. 

At that stage, affordable fixes are gone. Converted sites rarely hold spare land for surface expansion, and tearing out leasable square footage to add stalls destroys the economics that made the conversion attractive in the first place. 

Even the apparent escape hatch of acquiring a neighboring parcel carries a hidden cost. Filing the permit for that expansion typically triggers a review of the entire site under current zoning code, and parking ratios that sat grandfathered for decades suddenly get measured against requirements the owner has never had to satisfy. 

Site development teams learn these lessons fast, and they learn them in the direction of caution. After one conversion goes sideways on parking, the instinct is to screen harder at the front end, which then feeds into more problems. 

Parking as a design variable 

Here is what an eliminated site looks like: It clears the location screen, the zoning review and the building assessment, and then it dies on a spreadsheet: too little land for surface parking stalls, a structured parking estimate that breaks the pro forma, and a municipal minimum the parcel simply cannot meet. The project team moves on, and no market report ever records the loss. 

That invisibility is exactly the reason the parking problem stays underdiscussed. Absorption data captures the deals that closed but says nothing about the sites that never made it out of feasibility, and those losses are mounting at the worst possible moment. 

Hospital systems accounted for 46 percent of the medical outpatient leases JLL tracked in 2025, and they are expanding ambulatory footprints into precisely the dense urban and suburban submarkets where parking yield is hardest to achieve. 

The way out starts with treating parking as a design variable rather than a fixed ratio. A site’s stall count is negotiable in ways most feasibility models never test: vertical and automated approaches multiply the amount each square foot of land produces, shared-use agreements borrow capacity from neighboring properties, and demand modeling run before site selection reveals parcels that realistically can work. As a result, sites that conventional ratio math eliminated come back onto the board. 

Rethinking where a visit starts 

Record occupancy and a thin development pipeline mean the land problem will not resolve on its own, and parking will continue to be the place where that problem shows first, both in the site selection spreadsheet and in the Tuesday morning lot. 

Patients notice. They choose between health systems, and the experience shaping that choice begins well before the front door.  Healthcare systems that treat parking as clinical infrastructure and as a strategic design variable from the first feasibility pass will find they have more sites to choose from and more patients choosing them. 

Christopher Tiessen is president and CEO of Klaus Multiparking America, a German-engineered automated parking provider specializing in space-efficient systems, including stackers, lifts and automated valet technologies, for land-constrained sites across healthcare, senior living and mixed-use development.