Property Tax: When Farmland Becomes Building Land – Classifying Expectant Building Land, Wasteland and Recreational Areas

Whether a plot is classified as arable land, land held for future development, or already as building land determines the amount of property tax – and the differences are significant. Agricultural and forestry land is taxed at the favorable property tax A rate, whereas real estate is subject to the significantly higher property tax B. Wer eine Fläche entwickeln oder verkaufen will, sollte die grundsteuerliche Einordnung deshalb kennen, bevor sie sich unbemerkt verschiebt.

Property Tax A and B – The Fundamental Difference

The German Property Tax Act distinguishes between two types of assets. On the one hand, agricultural and forestry assets (Property Tax A) covers agricultural and forestry land, including farmsteads. On the other hand, real estate (Property Tax B) applies to undeveloped and developed plots of land used for residential or commercial purposes, or classified as building land. Because these two asset types are valued differently and municipalities set separate multiplier rates, the transition from A to B often leads to a multiple increase in the tax burden in practice.

When Agricultural Land Becomes Building Land

As long as a plot is used for agricultural or forestry purposes, it generally remains classified as agricultural and forestry assets. The transition occurs as soon as the plot is classified as part of the real estate – according to the German Valuation Act, in particular when it is considered building land on the valuation reference date and, based on its location, accessibility, and general development, is expected to serve a purpose other than agricultural or forestry use in the foreseeable future.

In practice, this means: It is not the first shovel of earth, but rather the planning-related and actual readiness for construction that can trigger the transition. From this point on, Property Tax B applies – regardless of whether construction has actually begun.

Land with Development Potential: The Intermediate Stage

expected building land refers to plots that, based on their location and urban development, are expected to be used for construction in the foreseeable future, without yet being classified as building land. The classification is a grey area: If the plot continues to be used for agricultural or forestry purposes and development is not yet sufficiently concrete, it usually remains subject to Property Tax A. However, if the development potential becomes so pronounced that the plot is classified as part of the real estate assets, Property Tax B applies. The exact boundary depends on the individual case and the respective state model.

Property Tax C: Ready for Construction but Undeveloped Plots

Since the property tax reform, municipalities can set a separate, higher multiplier for developable but undeveloped plots of land – the property tax C. Ziel ist, Baulücken zu mobilisieren und Spekulation mit ungenutztem Bauland zu verteuern. Wer baureifes Land hält, muss also nicht nur mit Grundsteuer B, sondern in Städten mit Grundsteuer-C-Satzung mit einer zusätzlich erhöhten Belastung rechnen.

Barren land and recreational areas

wasteland refers to areas that permanently yield no income – such as rock formations, moors, or wasteland. Although they belong to agricultural and forestry assets, they are assessed separately and valued very low, resulting in a correspondingly low property tax burden.

Recreational areas such as weekend plots, permanent allotment gardens, or leisure land are generally classified as real estate and are subject to Property Tax B – even if they appear "green" in everyday life. The green appearance is misleading: What matters is the classification under valuation law, not the visual impression.

How much property tax does a square meter of arable land cost?

There is no flat rate – the burden depends on the income value of the area, the federal state (federal model or state model), and the local multiplier. However, as a general rule: Pure arable land is taxed based on the low income value of agriculture and forestry, costing usually only a few cents to euros per year per 1,000 square meters. If the same area is converted into building land, the tax is suddenly based on the property value – a multiple higher. This jump is exactly why correct classification is so important.

Conclusion

The property tax treatment of an area is determined by its classification as either agricultural/forestry assets or real estate assets. Arable land, land reserved for building, developable building land, barren land, and recreational areas are subject to different rules – and the switch from Property Tax A to B can multiply the burden. Anyone developing, inheriting, or selling an area should have the classification checked early on.

The Real Estate Valuer office STRECKEL appraises undeveloped plots, land reserved for building, and agricultural/forestry areas, and assists in proving a lower property tax value. Book a non-binding consultation now.