Source of Building Data: 1910 Sanborn Fire Insurance Atlas; Multi-Family Construction: ; Roof of Main Structure: Non-combustible; Additional Sections: Section 1, left (E), 1 story, composition roof; Porches: ; Outbuildings: ; Other: "Storage City Supplies" / Sanborn 1910 numbers Section 1 as #621 W Seneca St and Main Structure as #623 W Seneca St;