Otts Assay Office is said to have had $27 million in gold pass through its doors without ever once being held up or robbed. Built sometime prior to the great fire of 1856, this two-story brick building originally housed the City Drugstore.
The South Yuba Canal Building is one of the oldest business buildings in Nevada City. Built in 1855, the two-story brick structure was fitted with the standard iron doors and shutters, and edged with a filigree balcony railing.
This building is located at 132 Main Street. This building is a National and Nevada County landmark.