Stellos Research · Asset Class · Parking Garage

Commercial Parking Garage ROI: The Operator's Margin Story

By Stellos Research · May 2026

A standalone commercial garage is the one asset where parking is the business, there is no office or retail tenant subsidising it. That focus should make it the best-optimised parking in the market. In practice, many run on tariffs and an operating model set years ago, leaving margin on the table at both ends: revenue and cost.

Stellos operates live parking optimisation across Switzerland and Germany for real estate owners, investors and corporates. Stellos parking platform · trusted by Google, Swisscom, Implenia, Wincasa, CWS and Sony.

1. Why "parking is the business" cuts both ways

For an office or residential owner, parking is a side line, which is exactly why it gets neglected. For a dedicated garage operator, parking is the entire P&L, so the incentive to optimise is total. The paradox is that many standalone garages still price like a utility: a flat hourly tariff and a fixed daily cap, unchanged across a quiet Monday morning and a Saturday peak, with monthly contracts sold at a rate that may no longer reflect the local market. When the asset's whole value rests on one revenue line, even a small mispricing compounds directly into NOI, and, at a cap rate, into valuation.

2. The yield lever: pricing and occupancy

Garage yield is the product of price and occupancy, and the two are usually traded off badly. A static tariff over-prices the dead hours (empty parking spots earning nothing) and under-prices the peaks (full garage, turning cars away, leaving money uncaptured). Demand-aligned pricing, the revenue-management discipline airlines and hotels have used for decades, addresses both: lower off-peak rates to fill idle capacity, higher peak rates to capture willingness-to-pay when the garage is in demand. The same total capacity earns more without a single new parking spot.

The contract-vs-transient mix

Many garages lean heavily on monthly contracts because they are administratively easy, but a parking spot locked to a contract holder who uses it 40% of the time is a parking spot unavailable to higher-yielding transient demand the rest of the week. Re-balancing the mix toward flexible and transient inventory, while keeping enough contracts for baseline stability, is one of the largest single yield levers a garage has.

3. The cost lever: automation

The second half of the margin story is operating cost. Manual or semi-manual access, staffed booths, paper tickets, manual season-card administration, carries labour and error costs that automated number-plate recognition (ANPR) and digital payment remove. Automation does not just cut cost; it produces the occupancy and dwell data that makes the yield lever above possible in the first place. The two levers reinforce each other.

4. What the optimisation is worth

The Stellos 2026 benchmark (53 anonymised owner-side audits) frames the opportunity per 100 parking spots: a median annual net benefit of CHF 17,600 and median asset-value uplift of CHF 135,200, with the top quartile clearing CHF 48,600 of annual net benefit before capitalisation. A dedicated garage, where the levers can be pulled without negotiating around an office or retail tenant's needs, typically has the freest hand to reach the upper part of that range.

Benchmark ranges describe the asset class from aggregate, anonymised audit data, not a specific garage. The figure for a given property depends on its current tariff, occupancy curve, contract mix and operating model, which is what a property-specific audit measures.

5. Reading your own garage

The benchmark gives the range; the audit gives the number. Stellos reads a garage's location, capacity and pricing inputs against the local market to estimate where on this distribution it sits, and whether the bigger win is on the yield side (pricing, mix) or the cost side (automation).