Water Damage in a Condominium: Exclusive or Common Property, and What the Property Manager Must Do
If water damage occurs in your condominium without you having done anything wrong yourself, responsibility initially depends not on who caused the damage, but on which part of the building is affected. The German Condominium Act distinguishes between exclusive property, which belongs to you alone, and common property, which is decided on by the owners’ association. For example, if the inlet hose of your washing machine bursts in your own bathroom, that is generally your own responsibility. If, on the other hand, a riser pipe embedded in the masonry that also supplies neighboring units starts leaking, this usually falls under common property, and the property manager must take action. This article explains where that boundary lies based on the text of the law, shows what you can expect the property manager to do, and lists the steps that make sense after discovering the damage. It is not a substitute for legal advice in an individual case: the precise allocation of responsibility may also differ depending on your development’s declaration of division and community rules, and in the event of a dispute, a court ultimately decides how the specific case should be interpreted.
- Responsibility depends on the source of the damage, not on fault: If the cause lies in an installation that serves only your unit, it is exclusive property; if it lies in a pipe or structural component that serves the building or several units, it is common property.
- The property manager may and must act immediately if further damage is imminent, even without a prior resolution by the owners’ association; larger, non-urgent repairs to common property, however, require a resolution by the owners’ association.
- Documentation matters from the very first minute: Dated photos, a written report to the property manager, and a parallel report to your own insurer protect your position, regardless of how responsibility is clarified later.
- Two insurance policies, two areas of responsibility: Common property is generally covered by the owners’ association’s building insurance, while your own belongings are covered by your personal contents insurance—which policy applies in a particular case depends on the specific terms of the contract.
Exclusive or common property: where is the line?
The law does not draw the line based on which unit a pipe is located in, but on the function it serves. Rooms and fixtures within your unit that you can alter without affecting the building or other owners are part of your exclusive property. Structural components necessary for the building’s existence or safety, as well as systems serving common use, remain common property—even if they run through the walls or floor of your unit (Section 5 WEG, Laws on the Internet).
Why the source of the damage determines responsibility
In practice, this criterion clearly distinguishes most cases: a burst connection hose under your own sink affects only your installation and is therefore part of your exclusive property. A riser pipe embedded in the masonry that supplies several floors, on the other hand, serves common use and remains common property, even if the water leak first becomes visible in your unit. In an individual case, it may not be clear exactly where a pipe finally joins your own plumbing system; it is worth checking your development’s declaration of division before discussing the cost issue with the property manager.
What the property manager must do—and what they do not need authorization to do
By law, the property manager is authorized and required to independently take measures for proper management when they are necessary to avert a disadvantage—such as water damage that is spreading (Section 27 WEG, Laws on the Internet). In practical terms, this means that in an acute emergency, the property manager does not first need to obtain a resolution from the owners’ association, but can and should immediately hire a contractor to shut off the water supply or secure the source of the damage. For larger, non-urgent repairs to common property, however, the law provides that the owners’ association, as a legal entity, exercises the rights to its common property and makes decisions about it (Section 9a WEG, Laws on the Internet). The property manager implements these resolutions, but does not make them alone when more extensive measures are involved.
If repairs to common property also require work inside your unit, you generally have to allow access and the necessary work to be carried out. If the burden on you goes significantly beyond what can normally be expected when living together in a shared building, you can claim reasonable financial compensation for it (Section 14 WEG, Laws on the Internet).
If the property manager does not respond or responds too slowly
If no urgent response is forthcoming, the first sensible step is to send the property manager a written notice setting a deadline, stating the damage, the date it was reported, and the immediate action you believe is required. Copying the advisory board, if your owners’ association has one, often speeds things up because the board oversees the property manager. If there is still no response, getting a lawyer’s opinion may be more sensible than hiring someone yourself at your own expense, especially if it is unclear whether the cause is actually in the common property.
Step by step: what to do after discovering the damage
Responsibility under the law can often only be definitively clarified after an inspection. Until then, following a set order helps ensure that no evidence is lost and no deadline is missed.
- First, stop the visible source of water if it is safe to do so—using your own shutoff valve or, if accessible, the building’s main shutoff valve.
- Photograph the damage and note the date and time before drying or repair work begins. These are exactly the records that the property manager, owners’ association, and any insurer involved may request later.
- Report the damage to the property manager in writing and notify your own insurer at the same time, rather than relying on one party to pass the report on to the other.
- Keep receipts, invoices, and all correspondence together. You will need them regardless of how the question of responsibility is ultimately resolved.
Our article on the time window between water damage and mold growth explains how quickly standing moisture can turn into a mold problem, and once responsibility has been clarified, our guide to drying walls and floors after water damage describes the drying process itself.
Building insurance and contents insurance: two separate policies
A common misconception is that a single insurance policy automatically covers everything. In practice, common property and exclusive property are usually insured separately. Building insurance, which protects common property, is usually taken out by the owners’ association, because it exercises the rights to common property as a legal entity. Belongings and fixtures that are part of your exclusive property, on the other hand, are typically your own responsibility and are covered by your personal contents insurance.
Which policy actually applies in a particular case, and under what conditions, depends on the specific policy wording and on your development’s community rules, which can adjust the statutory allocation in detail. This explanation is therefore general guidance, not a substitute for checking the actual documents or contacting your insurer directly if anything is unclear.
Spot it early, not just report it early
The reporting and documentation process described above cannot be shortened, but some owners supplement it with a system that continuously monitors the main water line and responds automatically to unusual flow. Our introductory article on smart water leak detectors and shutoff valves explains how such devices work in general.
The manufacturer describes the Smart Whole House Water Leak Detector with Auto-Shut-Off Valve as having an ultrasonic sensor that detects flow rates down to about 0.01 GPM, a motorized valve that automatically shuts off the main line if flow deviates from normal, and Wi-Fi app notifications. These are manufacturer claims from the product description, not independently verified test results. Such a device can warn a household before a slow drip turns into standing water, but it does not replace reporting the damage to the property manager and insurer, nor does it guarantee that water damage will never occur. Whether and how this type of shutoff valve can be installed in an individual condominium depends on the pipe layout and is covered in our article on installing an automatic shutoff valve in a rental or owner-occupied apartment; anyone wishing to justify the purchase to the owners’ association can find cost estimates in our overview of the installation costs of an automatic water shutoff valve.
Ultimately, responsibility is a legal question that, in the event of a dispute, depends on the specific circumstances of your development. Knowing the line between exclusive and common property tells you whom to contact, and documenting everything and reporting it in writing from the outset puts you in a much better position, regardless of how the issue is ultimately resolved.