Germany's SPD Proposes Rental Income Tax to Fund Social Security Amid Backlash

A bold tax on rental earnings could plug budget gaps—or trigger a 15% rent hike. Landlords and tenants brace for fallout in Germany's tight housing market.

, and Administrator

2026 March 15 . 3:04 AM

1 min read

The image shows a drawing of a floor plan of a building with a lot of rooms, which is believed to... — The image shows a drawing of a floor plan of a building with a lot of rooms, which is believed to be the Reichstag in Berlin, Germany. The paper contains text detailing the layout of the building, including the various rooms and hallways, as well as the placement of windows, doors, and other features.

Germany's Social Democratic Party (SPD) has put forward a plan to tax rental income for social security funding. The proposal aims to cover budget shortfalls in health and long-term care insurance. However, the idea has already sparked strong opposition and concerns about rising rents.

Under the SPD's proposal, landlords would pay social security contributions on their rental earnings. The party insists that these costs would not be passed on to tenants. Yet, the German Property Owners' Association has warned that rents could still climb by up to 15% in the worst cases—pushing a typical net cold rent from €575 to €658.

The plan has exposed divisions within the federal coalition. While the SPD pushes ahead, the opposition Union (CDU/CSU) has firmly rejected the idea. No alternative solutions from the government have been outlined so far.

Experts argue that the tax could worsen the housing crisis in major cities. Landlords might cut back on property maintenance or new construction, reducing housing quality and supply. This comes at a time when 80% of rental apartments in Germany are owned by private individuals, many of whom depend on them for retirement income.

The proposal remains contentious, with warnings of higher rents and a potential slowdown in housing investment. If implemented, it could reshape the rental market while attempting to address social security funding gaps. The government's next steps remain unclear as opposition grows.