Data Studies
Analyses computed with our calculators: by city, state, income or household type. Each study names its sources and assumptions and offers all numbers as CSV.
The data is free to use under CC BY 4.0 with attribution and a link to rechenportal.de.
27 October 2026 · Property Tax Calculator
Property Tax 2026 in the 50 Largest Cities: Rates and Costs
With the same base amount, owners in Hagen pay 3.6 times as much as in Potsdam; a detached house costs €321 a year in Kassel and €774 in Darmstadt.
27 October 2026 · Mortgage Calculator
Purchase Costs 2026/2027 by German State
For a €300,000 flat, purchase costs without a broker are €14,988 in Bavaria and €23,988 in Brandenburg, NRW, Saarland and Schleswig-Holstein.
27 October 2026 · Commuter Allowance Calculator
Commuter Allowance 2026: Tax Saving by Distance and Income
Below a 15 km commute the allowance alone saves no tax; the 2026 reform adds at most €166 a year.
26 October 2026 · Housing Benefit Calculator
Housing Benefit for Pensioners 2026 in the 50 Largest Cities
With a €1,300 pension, a single pensioner gets up to €294 housing benefit a month in Munich, but at most €133 in Chemnitz.