Fischer, whose modern, boxy glass and concrete structures are ubiquitous in Manhattan and Brooklyn, filed an application on May 28 with the Department of Buildings to construct a 27-unit building with 5,900-square-feet of commercial space at 533 Myrtle Ave.
The DOB did not immediately respond to a request for comment.
This will be the third Karl Fischer building for the neighborhood, according to the Myrtle Avenue Brooklyn Partnership.
A building designed by the Canadian architect is currently under construction at the former Gulf gas station site at 134 Vanderbilt Ave. and he is also listed as the architect for an eight-story condo at 100 Steuben St.
Karl Fischer and the property owner for 533 Myrtle Ave., Simon Dushinsky, did not immediately respond to a request for comment.
White Castle did not immediately comment.