Disclosed herein are system, method, and computer program product embodiments for bulk processing of custom object properties. An embodiment operates by receiving a query on one or more properties of an object class. A column of a database table is determined to correspond to a field of the object class. A set of data is collected from the determined column. The collected data of the determined column corresponding to each of the plurality of instances is converted by executing the one or more operations on the data set. A result set including the converted data as it corresponds to the plurality of instances associated with the query is provided.