Your street and house number worked against the city's own calendar — the next Restabfall, Bioabfall, Altpapier and Gelbe Tonne dates, including the days that move for a public holiday.
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Pick your street, add your house number, and this works out the next collection dates for all four bins — including the days that move because of a public holiday.
Heidelberg's fortnightly rounds alternate by house number: even numbers go out in even calendar weeks, odd numbers in odd ones. That is why the printed calendar leaves the week letter blank on most streets, and why this asks for the number. Your house number stays in your browser — only your street, and whether the number is odd or even, is sent on.
These are the city's standard rhythms. A household can hold a different bin contract — a bigger container on a different round, or no Biotonne at all — and the calendar service cannot see that. If your bin has never matched this pattern, trust the paper calendar that came with it, or the city's own online calendar linked below.
Collected once per district in January, undecorated and free of tinsel.
Data: Abfallwirtschaft und Stadtreinigung Heidelberg (ASZ), from the city's own Abfallkalender service.
Source: Abfallwirtschaft und Stadtreinigung Heidelberg (ASZ) — Abfallkalender, checked 8 August 2026 (today).