Steinway & Sons Piano Serial Number Lookup
Enter the serial number of your Steinway & Sons piano to find the year it was made and how old it is. It is usually 6 digits long unless you have a very old Steinway piano.
The serial number is found on the plate underneath the music desk on grand pianos, and if you open the top lid on uprights.
Other Links:
How Old Is My Bechstein Piano?