# AfAMax Property Calculations (ChatGPT App)

> German property calculations

- Type: app
- Publisher: Rundum Immo UG
- Categories: Data & Analytics, Real Estate
- Website: https://chatgpt.com/plugins/plugin_asdk_app_6ab4551bcf788191a24d65b7927d145f
- Open in ChatGPT: https://chatgpt.com/plugins/plugin_asdk_app_6ab4551bcf788191a24d65b7927d145f
- Version: 1.0.0
- Listed: 2026-10-15

## About

AfAMax provides free, non-binding calculations for German residential real estate. Estimate building depreciation (AfA), remaining useful life, annual and monthly depreciation, indicative tax effects, or allocate a purchase price between land and building using the German BMF methodology. Inputs are validated, tools are read-only and idempotent, and results include assumptions, limitations, attribution, and a disclaimer. Operated by Rundum Immo UG in Heidelberg, Germany. For informational planning only; not a substitute for tax, legal, or professional appraisal advice.

## How to use

1. **Add it in ChatGPT** Open AfAMax Property Calculations in ChatGPT's Plugin directory (button above), select + to add it and sign in if asked.

2. **Use it in a chat** Type @ in the composer and pick AfAMax Property Calculations, or start your message with its name. ChatGPT may also suggest it when it fits what you ask.

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Source: https://chatgptplugins.directory/apps/afamax-property-calculations · Index: https://chatgptplugins.directory/llms.txt · Independent and community-run. Not affiliated with or endorsed by OpenAI. ChatGPT is a trademark of OpenAI.