Verwaltung
Multi-family buildings as an investment: what matters in management
Published on 11 October 2026 · 8 min read

A multi-family building spreads the risk of rent loss across several units and often offers a more solid return than a single condominium. At the same time, it is a small business: several tenancies, shared building services, ongoing maintenance. How well the investment ultimately performs depends heavily on management.
Before buying: check the management reality
Before buying, ask for a complete rent roll with rents, start dates, arrears and deposits. Check whether rents match the local comparative rent, whether there are ongoing disputes and when the last major investments were made. An inspection of the roof, heating, pipes, damp and windows is part of this.
Tenant management: the most important lever
Vacancy and rent arrears are the biggest return killers. Careful tenant selection with credit checks, clear tenancy agreements and quick re-letting when tenants move out have a more direct effect on results than almost any other measure.
Equally important: rent adjustments within the legal framework. Many owners leave rents unchanged for years because they shy away from the effort. Check regularly whether an adjustment to the local comparative rent or an agreed index or graduated rent is possible – observing the cap on increases and the rent brake where it applies.
Plan maintenance instead of reacting
Acting only when something breaks usually costs more. A maintenance plan for the next five to ten years makes sense: when are the heating, roof, façade, pipes and windows due? This shows how much you should set aside each year.
In older buildings especially, energy-efficient modernisation is playing a growing role. It can improve lettability, reduce tenants' service charges and, under certain conditions, be partly refinanced through a modernisation rent increase.
Operating costs and statements
With several tenants, the annual operating cost statement quickly becomes complex. Mistakes cost money directly here, because unenforceable back payments stay with the owner. Clean contracts with service providers, regular tendering and correct statements protect returns.
Safety duties and obligations
As the owner, you are responsible for safety: winter clearance, lighting, playgrounds, trees, drinking water and smoke detector obligations. These tasks should be documented and assigned to reliable service providers.
Keeping an eye on the figures
Good management regularly gives you an overview of rental income, arrears, costs and upcoming measures. Only then can you spot early when returns are deteriorating and take countermeasures.
Manage yourself or engage a manager?
If you live nearby, have time and know tenancy law, you can manage a small multi-family building yourself. As the number of units grows, the distance increases or time runs short, professional rental management usually pays off – not least because mistakes in statements, rent adjustments and re-letting are avoided.
Management and sales under one roof
We manage multi-family buildings commercially and technically and also support you with buying and selling. You have one fixed contact person who knows your property and your goals.
Questions about your property? We are happy to answer them in a personal conversation.
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