Lobbies, Elevators and Stairwells: Cleaning the Shared Core of a Multi-Tenant Building

The rooms nobody leases but everyone uses

In a building with several tenants, the lobby, the elevators and the stairs belong to the property rather than to any one company. Every employee, courier and visitor passes through them, often twice a day, and none of those people feels responsible for them. That combination makes the shared core the hardest-working space in the building and the one most likely to be cleaned by habit rather than by plan.

Each of the three spaces wears in its own way. The lobby takes grit and water from the street. Elevator cabs collect fingerprints, scuffs and spills in a box a few feet wide. Stairwells see less traffic but almost no one looks at them, so dust, litter and handrail grime build up quietly until a tenant mentions it. A good common-area list treats them as three separate jobs.

Elevator cabs and landings

An elevator cab is small, but it gets touched more per square foot than almost any other surface in the building. The nightly list for each cab is short and specific: call buttons and the car operating panel, handrails, the inside face of the doors, wall panels at hand height, and the floor. Brushed stainless walls clean best with a cloth moving along the grain, finished with a dry buff so streaks don’t show under cab lighting.

The floor depends on what’s in the cab. Carpet inserts get vacuumed nightly and spot-cleaned when coffee hits them; hard cab floors get a damp mop that reaches the corners. The groove at each door sill gathers grit from shoes, and vacuuming it out keeps that grit from being dragged back across the cab floor. Repairs and anything inside the shaft or machine room stay with the elevator maintenance contractor.

Landings on the upper floors matter as much as the cab. The call panel, the door frames and the carpet directly in front of each elevator bank take traffic from every suite on that floor, and they show wear long before the rest of the corridor does.

How often each space needs attention

Frequency in the shared core follows traffic, not square footage. A typical schedule for a mid-size office building looks like this:

• Every service night: lobby glass and floor, entry mats, elevator cabs and buttons, landing call panels, bins
• Weekly: exit stairwells swept and mopped, handrails wiped, lobby furniture and baseboards detailed
• Monthly: high dusting in the lobby, stair nosings and wall scuffs, elevator door tracks given a deeper clean
• Quarterly or twice a year: carpet extraction in elevator lobbies, lobby floor refinishing or stone polishing

Buildings with a staffed security desk, a fitness room or a cafe off the lobby push more of that list to nightly, because those amenities bring people through the core at all hours. A building with one or two small tenants can stretch the weekly items further and still look sharp.

Writing and checking the common-area list

The common areas need their own written list, separate from any tenant’s suite. Name every space: the main lobby, a secondary entrance, each elevator cab, each landing, each stairwell, the loading-dock corridor. Give every item a frequency, and note which tasks wait for the floor-care calendar. A list built this way makes it obvious when a cab or a flight of stairs has been forgotten.

Then check it on a set day. Ride every cab and look at the panel and the door edges under the cab light, walk one stairwell from the top each week, and stand at the entrance in daylight to see the glass the way visitors see it. Our supervisors run scheduled quality inspections against the same written list, so your walk and theirs measure the same things. For the whole shared-interior program, see commercial cleaning for multi-tenant buildings.