# National Register of Historic Places listings in Gratiot County, Michigan

This is a list of the National Register of Historic Places listings in Gratiot County, Michigan.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Gratiot County, Michigan, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.
There are 10 properties and districts listed on the National Register in the county.
This National Park Service list is complete through NPS recent listings posted February 28, 2025.
Download coordinates as:
* KML
* GPX (all coordinates)
* GPX (primary coordinates)
* GPX (secondary coordinates)

## Current listings

| | Name on the Register | Image | Date listed | Location | City or town | Description |
| 1 | Alma Downtown Historic District | Alma Downtown Historic District | December 11, 2013 (#13000904) | Superior and State Streets 43°22′44″N 84°39′43″W﻿ / ﻿43.378919°N 84.661840°W﻿ / 43.378919; -84.661840﻿ (Alma Downtown Historic District) | Alma | The Alma Downtown Historic District contains 72 structures, primarily brick commercial buildings, ranging from one to three stories in height and dating from 1874 (and likely earlier) to the 1960s. |
| 2 | Brown Site (20GR21) | Upload image | September 19, 1985 (#85002411) | Pine River near Tyler Road 43°20′30″N 84°42′00″W﻿ / ﻿43.341667°N 84.7°W﻿ / 43.341667; -84.7﻿ (Brown Site (20GR21)) | Alma | The Brown Site is an archaeological site, located along the Pine River, that was the location of a late Woodland period village dating to about AD 1000. |
| 3 | Conservation Park Site (20GR33) | Upload image | September 30, 1985 (#85002695) | Pine River Park, Alma, Michigan 43°22′15″N 84°40′15″W﻿ / ﻿43.370833°N 84.670833°W﻿ / 43.370833; -84.670833﻿ (Conservation Park Site (20GR33)) | Alma | The Conservation Park Site, also known as the Pine River Park Site, is an archaeological site located along the Pine River that was the location of an early Woodland period camp. |
| 4 | Gratiot County Courthouse | Gratiot County Courthouse | January 31, 1976 (#76002291) | Center St. 43°17′27″N 84°36′17″W﻿ / ﻿43.290833°N 84.604722°W﻿ / 43.290833; -84.604722﻿ (Gratiot County Courthouse) | Ithaca | The Gratiot County Courthouse was constructed in 1900-02 from plans drawn by architect Claire Allen. It is a 2-1/2-story Classical Revival structure covered in beige sandstone with a distinctive multi-stage clock tower topped with a belfry. |
| 5 | Holiday Park Site (20GR91) | Upload image | December 6, 1985 (#85003519) | Holiday Park 43°22′15″N 84°40′00″W﻿ / ﻿43.370833°N 84.666667°W﻿ / 43.370833; -84.666667﻿ (Holiday Park Site (20GR91)) | Alma | The Holiday Park Site is an archaeological site that was the location of a Late Woodland period village. |
| 6 | Ithaca Downtown Historic District | Ithaca Downtown Historic District More images | December 21, 2005 (#05001510) | 100-168 and 101-161 E. Center St. 43°17′30″N 84°36′24″W﻿ / ﻿43.291667°N 84.606667°W﻿ / 43.291667; -84.606667﻿ (Ithaca Downtown Historic District) | Ithaca | The Ithaca Downtown Historic District encompasses 15 commercial structures, the entire 100 block of East Center Street. |
| 7 | Lincoln Road–Pine River Bridge | Lincoln Road–Pine River Bridge | December 9, 1999 (#99001516) | Lincoln Rd. over the Pine River 43°22′45″N 84°49′59″W﻿ / ﻿43.379167°N 84.833056°W﻿ / 43.379167; -84.833056﻿ (Lincoln Road–Pine River Bridge) | Seville Township | This bridge is notable for being a large early example of an arched through girder bridge in Michigan, and for sitting on substantially skewed abutments. It was demolished and replaced in 2009. |
| 8 | Dr. Charles H. MacLachlan Sanitarium and House | Dr. Charles H. MacLachlan Sanitarium and House | November 22, 1982 (#82000533) | 6482 Pingree Rd. 43°23′09″N 84°44′47″W﻿ / ﻿43.385833°N 84.746389°W﻿ / 43.385833; -84.746389﻿ (Dr. Charles H. MacLachlan Sanitarium and House) | Elwell | The MacLachlan Sanitarium is a stone facility built in 1908 by Dr. Charles H. MacLachlan, a proponent of "physiological therapeutics," a treatment of chronic diseases without the use of medication. It also served as a local hospital. |
| 9 | Saint Louis Downtown Historic District | Saint Louis Downtown Historic District | December 3, 2014 (#14000976) | N. Mill St., W. Saginaw & W. Center Aves. 43°24′35″N 84°36′32″W﻿ / ﻿43.4097°N 84.609°W﻿ / 43.4097; -84.609﻿ (Saint Louis Downtown Historic District) | Saint Louis | |
| 10 | Wright Opera House Block Complex | Wright Opera House Block Complex | June 26, 2013 (#13000443) | 101–113 E. Superior St., 408 N. State St. 43°22′45″N 84°39′41″W﻿ / ﻿43.379176°N 84.661380°W﻿ / 43.379176; -84.661380﻿ (Wright Opera House Block Complex) | Alma | The Wright Opera House Block, also known as the 'Alma Opera House Block, was built in 1880 by lumberman Ammi Willard Wright. It is a large brick building houseing five commercial spaces on the first floor, and a performance space and offices on the upper floors. The 1899 Lancashire Building addition is integral to the original building. |