Why blanket statements are misleading – and why object-specific analysis matters

The legal framework governing short-term rentals in Vienna is frequently discussed in simplified terms. Public debate and many international summaries focus almost exclusively on residential units and conclude that short-term rentals are broadly restricted or even prohibited.

In practice, this picture is incomplete.

For investors, owners and developers, the relevant legal question is often not whether short-term rental models are generally permitted, but whether a specific unit can be used for short-term accommodation under its existing legal framework. This is particularly relevant for commercial units, former office space or mixed-use properties, which are not classified as residential apartments.

1. Short-term rental is not a uniform legal concept

A common misconception is that the restrictions introduced under Viennese building and housing regulations apply uniformly to all forms of short-term accommodation.

In fact, key restrictions under the Vienna Building Code are expressly tied to “apartments” (Wohnungen). Whether a unit qualifies as a residential apartment is not determined by its intended economic use, but by its legal classification, which typically depends on:

• the building law zoning and permitted use,
• the approved building consent (Baukonsens),
• and, where applicable, the condominium deed.

In inner-city locations, it is not uncommon for different units within the same building to be subject to entirely different legal regimes. Ground-floor commercial units, former offices or units designated for non-residential use may therefore fall outside the core scope of residential short-term rental restrictions.

2. Building law: change of use requires object-specific assessment

Even where a unit is not legally classified as residential, short-term accommodation is not automatically permissible.

Under Austrian building law, the decisive question is whether the planned use constitutes a relevant change of use requiring notification or approval. This assessment depends on several factors, including:

• the previously approved use of the unit,
• the spatial layout and technical configuration,
• the zoning context (e.g. residential zone, protection zone),
• and potential impacts on neighbouring rights.

There is no abstract rule as to whether a notification procedure is sufficient or a formal permit is required. Each case must be assessed individually, based on the specific characteristics of the property and the intended operating model.

3. Condominium law: commercial units are not treated like apartments

In condominium buildings, short-term rental of residential apartments is frequently considered a use requiring the consent of other owners.

For commercial units, the legal analysis is more nuanced. The key issue is whether the planned activity remains within the typical and customary use of a commercial unit. This assessment does not depend solely on the label of the activity, but also on:

• the scale and intensity of the use,
• the frequency of guest turnover,
• and the organisational setup of the operation.

As a result, legally viable outcomes often hinge on how the use is structured, not merely on whether accommodation is provided.

4. Trade and regulatory law: a frequently underestimated layer

From a practical perspective, short-term accommodation is often classified as a commercial activity under Austrian trade law.

Even limited additional services may trigger the requirement for a trade licence. Relevant issues typically include:

• the type of required trade licence,
• the total number of beds (including across multiple units),
• potential approval requirements under trade regulations,
• and operational facility considerations.

In practice, deficiencies in this area are a common source of regulatory exposure, even where the building law framework would otherwise allow the use.

5. Why general answers do not work

Whether short-term accommodation is legally viable cannot be assessed in the abstract. The decisive factors are always object-specific, including:

• the existing legal designation of the unit,
• the approved use under building law,
• the detailed operating concept,
• and the broader project structure.

Relying on generalised assumptions can create material legal and economic risks, particularly in the context of acquisition decisions or redevelopment projects.

6. Practice: focused legal assessments as a decision-making tool

In comparable constellations, we regularly prepare object-specific legal assessments addressing building law, condominium law and trade law aspects of proposed short-term accommodation models.

Such assessments are designed to clarify:

• whether and under which conditions short-term accommodation may be legally viable,
• which permits or notifications are required,
• where project-specific risk areas lie,
• and which issues should be addressed prior to acquisition or implementation.

They do not replace full project structuring, but provide early legal clarity as a basis for informed decision-making.

Conclusion

Short-term accommodation outside the classic residential context may be legally viable in Vienna. However, permissibility is never a matter of general policy statements or market practice.

Legal viability depends not on the business model in the abstract, but on the specific legal status of the unit and the way the use is implemented.

For investors and owners, this makes object-specific legal analysis an essential part of responsible project evaluation.

Author: Dr. Georg Rihs, Managing Director, RIHS Rechtsanwalt GmbH (Vienna)

Image credit: © C. Stadler/Bwag / Wikimedia Commons – CC BY-SA 4.0