Managing a Multi-Tenant Building — the Real Challenges and How to Handle Them in Practice

From the outside, a multi-tenant building looks like a collection of offices under one roof — but in practice it is a single infrastructure system serving dozens of entities with different interests. One lobby, one elevator, one HVAC system, one main electrical panel — and each tenant wants to pay less, get more, and never hear about faults. From years of experience managing commercial buildings in Israel: most disputes, payment delays and compensation claims arise not from ill will, but from a lack of agreement, from the outset, on three things — who is responsible for what, who pays for what, and when things get handled. This article is about exactly that.

Why a multi-tenant building is a fundamentally different management challenge

When a single landlord holds an entire building for a single tenant, the boundaries are clear: everything is theirs, everything is their responsibility. The moment there are several tenants, a large gray area is created — the common areas — that no tenant feels is "theirs," and therefore no one proactively cares for it.

The prevailing Israeli culture in building management still tends to act only when an external force compels it: a fire inspector who arrives, an elevator that gets stuck, flooding that shuts down a floor. In a multi-tenant building this approach is especially destructive, because a fault in a shared system harms all the tenants simultaneously, generates a wave of complaints, and can lead to claims of rent reduction or contract termination. Correct management begins with the understanding that in a shared system, prevention always beats reaction — and not only in money, but in quiet and in reputation.

First challenge: where the leased area ends and the common area begins

The most basic question — and it is surprising how many owners never answered it explicitly in the contract — is exactly where the boundary runs. In practice, I encounter it again and again as one type of dispute that erupts at the wrong moment:

• A terminal HVAC unit serving a particular office — is it the tenant's responsibility or the owner's?
• A fire detection and alarm system that runs through a leased space — whose responsibility is it to inspect?
• Emergency lighting in a corridor used exclusively by one tenant — who replaces a burned-out bulb?
• A roof gutter above a leased space accessible only through that space — who schedules the cleaning?

Without a clear definition, every fault turns into an argument. Every argument delays handling — precisely in the systems where delay is unacceptable.

The practical rule for classifying responsibility

Any system that serves more than one tenant, or whose failure could endanger the whole building (main electrical, fire suppression systems, elevators, water, structure and envelope), should be under the owner's central management responsibility — even if the cost is passed on to the tenants through the management fee. The reason is not only convenience; it is safety and regulatory compliance. You cannot leave the maintenance of the suppression system to the discretion of tenants who change every three years. Israeli Standard (SI) 1525 for building maintenance defines which systems must have an orderly, documented maintenance plan — a reference tool worth knowing before drafting contract appendices.

Second challenge: fair cost allocation — the dispute hidden in the appendix

Allocating operating and maintenance costs among tenants is the number one source of friction in a commercial building. A small tenant on a high floor does not understand why they pay a share of parking-garage maintenance they barely use; a large tenant that consumes electricity and HVAC in bulk feels they are subsidizing the others. Without a transparent, uniform allocation method, every management-fee bill becomes a battleground.

The common allocation methods — and when each fits

• Allocation by leased area: the most common method — each tenant bears a share of the common costs in proportion to the area they lease. Fair and simple for most cleaning, security and general maintenance expenses. The flaw: it does not account for different usage intensity.
• Allocation by actual consumption (sub-meters): for electricity and water — individual measurement through sub-meters installed for each unit. Far fairer than allocation by area, because it reflects real usage. Investing in sub-meters almost always pays off in a multi-tenant building — both in reducing friction and in early detection of leaks or unusual consumption.
• Dedicated costs (direct billing): an expense that serves only one tenant — an interior renovation, a custom fit-out, a separate electrical line — is not rolled onto all the tenants. Clear direct billing builds trust.
• System replacement reserve: a separate component earmarked for future capital replacements — elevator, chiller, roof. Tenants resist it until a system collapses and there is no source to fund the replacement. A building that establishes such a reserve shows managerial maturity.

The key is transparency: a tenant who receives a clear breakdown of what they pay and why, and can see that the method is uniform for everyone, complains less. Concealment or arbitrary allocation creates a lack of trust that accompanies the relationship until the end of the contract — and sometimes beyond it, in court.

Third challenge: coordinating works in an occupied building — the puzzle no one plans ahead

In an empty building you can do anything at any hour. In a building occupied by active tenants, every maintenance task is an exercise in coordination. I know this situation well: cleaning a cooling tower that requires shutting down the HVAC for three hours, a generator load test that requires a planned power cut, a pressure test for fire suppression in an active corridor — all of them disturb tenants, and therefore all of them get postponed.

This is exactly where breakdown maintenance fails. When you do not plan ahead, statutory inspections are postponed again and again because "it can't disturb the tenant right now" — until a certificate expires, a system fails at the peak of summer, and then ten tenants call at once.

The solution: a coordinated annual maintenance schedule

Planned preventive maintenance lets you spread all the works across an annual calendar, coordinated in advance with the tenants. Every tenant knows months ahead when there will be a shutdown and for how long — and can prepare. When the annual maintenance schedule is organized this way, I have received far more flexible cooperation from tenants: when they get three weeks' notice, they usually arrange their workday accordingly and do not complain. The annual preventive maintenance checklist shows how to build such a schedule in a practical way.

The shared systems most prone to problems — and what to do with each

Some shared systems carry an especially high risk in a multi-tenant building, because a failure in them harms everyone at once and exposes the owner to legal liability. These are the systems that demand managerial attention before anything else:

• Elevators: the central point of dependence in a multi-story building. A fault shuts down access to all upper floors. Requires ongoing service and a certified-inspector check under the occupational safety regulations — see elevator maintenance standards. Important to know: for tenants on the upper floors, a broken elevator is a total business shutdown.
• Central HVAC (chillers and cooling towers): a failure in the Israeli summer instantly turns into dozens of complaints and compensation demands. Cleaning the cooling towers before summer — and not during it — is a basic principle. See HVAC maintenance in office buildings.
• Main electrical (panels, generator, UPS): a failure here shuts down the entire building. An annual thermographic inspection of electrical panels and a generator test under a real load — not just a run for a few minutes — are a must that is too often performed on paper only. See electrical systems maintenance in offices.
• Plumbing and water: flooding from one floor seeps to those below it and harms several tenants at once — with equipment damage, insurance claims and sometimes a halt in activity. See water and plumbing systems maintenance.
• Fire detection and suppression: a building-wide system whose malfunction endangers lives and voids tenants' business licenses — a statutory obligation that cannot be postponed, and one that the fire authorities in Israel actually inspect.
• Safety and security systems: cameras, access control, emergency lighting and alarm systems — in a multi-tenant building they are a safety layer that protects everyone, and therefore their maintenance should be in one set of hands.

Fourth challenge: accessibility and regulation — the responsibility that stays with the owner

The common areas in an office building are subject to the Equal Rights for Persons with Disabilities Law and the accessibility regulations derived from it — the lobby, the elevators, the public restrooms and the escape routes. Many owners are unaware that responsibility for accessibility in the common space stays with them and does not pass to the tenants, even if the contract tried to transfer general responsibility.

In addition: business licensing requirements applying to certain tenants (a café, a clinic, a daycare) indirectly impose requirements on the building itself — wheelchair accessibility, emergency exits of a minimum width, sufficient emergency lighting. Only a central management entity that holds the full regulatory picture can ensure the building meets all the requirements simultaneously, not just for one tenant at a time.

Why central management beats distributed maintenance — every time

In a multi-tenant building there is a temptation to split responsibility: each tenant handles their own, the owner touches only what they must. Experience shows this fails almost every time. When responsibility is distributed:

• No one holds an overall schedule — statutory inspections fall through the cracks
• There is no single maintenance log consolidating the history — all the information leaves with the vendor who did the work
• When a fire inspector arrives, an insurance policy needs renewing, or a claim is filed — there is no orderly file
• The owner is exposed to personal liability for defects they never knew about, because no one was tasked with knowing

Central management, by contrast, holds all the shared systems in a single plan — with a documented log, a scheduled inspection calendar and one person responsible for knowing. The difference between the approaches is explained in depth in the difference between property management and facility management. And if you are considering who will perform the management in practice, the guide to choosing a management company explains what to check before entrusting a multi-tenant asset to an external party.

An action plan for a building owner — six practical steps

1. Map the boundaries in writing: define explicitly — in a document and in the lease agreements — what is shared and what is leased, and who is responsible for maintaining each system. A detailed appendix is always better than a verbal agreement.
2. A transparent cost-allocation method: set a clear mechanism (area / consumption / dedicated) and document it. Present it to tenants at move-in and at every update. Transparency prevents disputes.
3. Install sub-meters: for electricity and water — as much as possible at the unit level. This is the investment that pays off in fairness, in quiet and in early detection of faults.
4. A coordinated annual maintenance schedule: spread all the inspections and shutdowns across the year in advance, and distribute it to the tenants. Every tenant who knows ahead of time is far more accommodating.
5. A consolidated log and certificates: one file — physical or digital — that consolidates every inspection, repair, certificate and license. The proof that the building is sound, when it is required.
6. A system replacement reserve: set aside a fixed component for a reserve for future capital replacements — elevator, chiller, roof. A building that does not prepare this reserve is always caught by surprise, usually in the middle of summer.

If the building is relatively new, it is worth establishing all of this already in the first year — see the guide to the first 12 months in a new building.

Bottom line

Managing a multi-tenant building succeeds or fails on three axes: clear boundaries of responsibility, transparent cost allocation, and planned and coordinated preventive maintenance. Each of them requires action before the problem erupts — not after. A building managed with a reactive approach loses money, tenants and value; a building managed proactively protects all of them and its value over time. This is not an expense — it is the investment that protects your most valuable asset.

At Domera we build an orderly management plan for every multi-tenant building — boundary definition, a cost-allocation method, a maintenance log and a scheduled inspection calendar. For more on the service: comprehensive property management, or get a quote.