The courtyard for the synagogue was purchased for 8,000 thalers donated by the landowner Tiel-Winckler.

The synagogue was a small, one-story building built in the neo-Romanesque style with a sloping roof and rectangular floor plan. There was arcade decoration in the side elevations. Corner pilasters were one of the characteristic elements. The architect Ignatz Grünfeld was most likely inspired by a synagogue in Wolfhagen. There were 200 seats for men and 120 seats for women.

In the address book of the city of Kreuznach, the salt works Karls- and Theodorshalle and Bad Münster am Stein 1884, the following entry

- Brothers Rothschild - Haberdashery - ( Owner Adolf and Anton Rothschild ) -  Kreuznach - Mannheimer Straße 112.