HOW OLD IS MY PIANO?

FREE PIANO IDENTIFICATION & SERIAL NUMBER LOOKUP TOOL

What Year Was My Sohmer Piano Made? (Serial Number Lookup + Guide)

DIRECT ANSWER

The age of a Sohmer piano is determined primarily by its serial number. In most cases, Sohmer instruments can be dated to a reasonably accurate year using established serial number charts, particularly for pianos produced during the company’s primary New York manufacturing period.

However, accuracy depends on production era, especially for later instruments made after ownership changes and factory transitions.

Key factors affecting Sohmer dating include:

production era (original New York manufacturing vs later corporate ownership periods)
changes in production control after the Sohmer family era
variations in serial continuity during late 20th-century manufacturing

Earlier Sohmer pianos generally follow a more consistent serial sequence, while later instruments may require broader interpretation.

HOW SOHMER SERIAL NUMBERS WORK

Sohmer serial numbers were historically assigned in a largely sequential manner during the company’s primary manufacturing period in New York.

This makes many Sohmer pianos—especially those built in the late 19th and early 20th centuries—relatively straightforward to date using reference charts.

However, this consistency becomes less reliable in later production periods due to:

changes in company ownership after the original Sohmer & Co. era
shifting manufacturing arrangements in the late 20th century
reduced production volume and less standardized tracking

In practice:

early Sohmer pianos tend to align closely with published serial number charts
later pianos may not follow a strictly continuous sequence and may require broader date ranges

SOHMER SERIAL PREFIX SYSTEM

Sohmer pianos generally use numeric serial numbers without standardized prefix systems.

Unlike some larger manufacturers, Sohmer did not widely implement consistent letter-based factory or region codes during its primary production years.

Any prefixes or non-standard markings found on later instruments are typically tied to specific production periods or ownership phases and should be interpreted cautiously.

HOW TO FIND YOUR SOHMER PIANO’S SERIAL NUMBER

SOHMER GRAND PIANOS

Open the lid and inspect the cast iron plate near the tuning pins. The serial number is typically stamped directly into the plate, usually in the bass section.

SOHMER UPRIGHT PIANOS

Open the top lid or front panel. The serial number is generally stamped on the cast iron plate inside the piano or stamped into the wood (see photo) through a hole in the plate.
In some cases, it may also appear on a metal badge or stamped into interior wood components, though the plate marking is the most reliable reference point.

WHAT THE SERIAL NUMBER CAN (AND CANNOT) TELL YOU

A Sohmer serial number can typically provide:

approximate manufacturing year (often fairly precise for early instruments)
production era classification (New York era vs later production periods)

However, it may NOT reliably provide:

exact production date (day or month)
consistent interpretation for late-production instruments
detailed factory origin for post–New York era pianos

These limitations arise primarily from changes in company structure and manufacturing practices over time.

Note: the serial number shown in the upright piano photos above returns “Information Unavailable”.

This is because all known charts for Sohmer end in 1982 with 241180 being the last known number.

We can safely deduce that our sample piano was made in the early to mid 1980’s.

This is a prime example of the issues that can arise when searching piano serial numbers.

SOHMER SERIAL NUMBER LOOKUP TOOL

Use the tool below to estimate your Sohmer piano’s manufacturing year.

STEP 1: SELECT THE MANUFACTURER

Important note for Sohmer pianos:

Important notes for Sohmer pianos:
- Enter numeric serial numbers only
- Do not include anything after the # sign, as that refers to the model number
- Ignore any large raised numbers (see pic above), as they also reference the model

Manufacturer

STEP 2: ENTER YOUR SERIAL NUMBER

Serial Number

STEP 3: THE RESULT

COMMON SERIAL NUMBER MISTAKES

Common issues when checking Sohmer piano age include:

confusing model names or cabinet styles with the serial number
misreading worn or partially obscured digits on older plates
using secondary numbers (such as action or part numbers) instead of the main serial
assuming all Sohmer production follows a perfectly continuous sequence across all eras

Incorrect results are most often caused by identifying the wrong number rather than an issue with the lookup system.

BRAND HISTORY

Sohmer & Co. was founded in New York in the late 19th century and became known for producing high-quality American pianos, particularly during the late 1800s and early 1900s.

The company’s primary manufacturing period took place in New York, where it established a reputation for well-built uprights and grands.

Over time, ownership changes and shifts in manufacturing affected both production volume and serial number consistency, particularly in the later 20th century.

This transition is the main reason why earlier Sohmer pianos are easier to date precisely, while later instruments may require broader interpretation.

Sohmer