The Marion County Surveyor's Office maintains an index of subdivision plats recorded in the Marion County Recorder’s Office. This index is updated on a quarterly basis.
View the Recorded Subdivision Plat Index
The index is sorted by Subdivision name and you can find your subdivision from the public GIS viewer MapIndy.
You can obtain copies of the subdivision plats from the Marion County Recorder’s Office, located on the 7th floor of the City County Building or by calling (317) 327-4020.