Grotrian-Steinweg Piano Serial Numbers

Piano dating guide

Grotrian-Steinweg piano serial numbers

The Grotrian-Steinweg tradition traces to a piano factory founded in 1835. Friedrich Grotrian later became a partner, and the Grotrian family took over the remaining shares in 1865. Use this historical sequence as an approximate dating guide.

Find the serial numberAll maker directories

Where to look

Look on the cast-iron frame near the tuning pins and inside the case. Use only a clearly stamped factory number, not a handwritten service or dealer mark.

Use the result carefully

Serial ranges are approximate. Confirm the date alongside the model, construction details and any known restoration history.

Serial-number reference

Find the nearest serial number in the table. If the number falls between two entries, the likely production date falls between those years.

Grotrian-Steinweg

Need help identifying the piano?

Send clear photographs of the maker name, model marking, serial number and the full instrument. We can help distinguish the relevant markings before you rely on a date.

Ask the Oxford teamBack to Date your piano