Isaac McCormick House

{{short description|Historic house in Missouri, United States}}

{{Use mdy dates|date=January 2025}}

{{Infobox NRHP

| name = Isaac McCormick House

| nrhp_type =

| image = Isaac McCormick House.jpg

| caption =

| location = SW of Defiance off Hwy. F, near Defiance, Missouri

| coordinates={{coord|38|38|28|N|90|48|18|W|display=inline,title}}

| locmapin = Missouri#USA

| built = c. {{Start date|1867}}

| builder = McCormick, Isaac

| architecture = Hewn-log house

| added = September 10, 2004

| area = less than one acre

| refnum = 04000960{{NRISref|version=2010a}}

}}

Isaac McCormick House, also known as McCormick Farm, is a historic home located near Defiance, St. Charles County, Missouri. It was built around 1867, and is a two-story, "L"-plan, log dwelling. It consists of a single pen hewn log main section with single pen hewn log ell. The main section measures approximately 18 feet wide and 27 feet deep and has a side gable roof.{{cite web| url =http://dnr.mo.gov/shpo/nps-nr/04000960.pdf| title = National Register of Historic Places Inventory Nomination Form: Isaac McCormick House| accessdate = 2017-02-01| author=Joan L Gould|format = PDF| date=March 2004| publisher=Missouri Department of Natural Resources}} (includes 32 photographs from 2004){{rp|5}}

It was added to the National Register of Historic Places in 2004.