Field help: (2024) Other costs related to the apartment This text refers to the Steuererklärung 2024. You can find the version for the Steuererklärung 2025 at: (2025): Other costs related to the apartment Enter here any other costs related to the flat. This could include, for example: Legal expenses (lawyer, court), Expenses for obtaining the flat, such as advertisement costs, broker's fees.