# National Register of Historic Places listings in Preble County, Ohio

This is a list of the National Register of Historic Places listings in Preble County, Ohio.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Preble County, Ohio, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in an online map.
There are 20 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 | Acton House | Acton House | September 5, 1985 (#85001944) | 115 W. Main St. 39°44′38″N 84°38′15″W﻿ / ﻿39.74375°N 84.6375°W﻿ / 39.74375; -84.6375﻿ (Acton House) | Eaton | |
| 2 | Brubaker Covered Bridge | Brubaker Covered Bridge More images | June 11, 1975 (#75001527) | West of Gratis on Aukerman Creek Rd. 39°39′06″N 84°32′39″W﻿ / ﻿39.651667°N 84.544167°W﻿ / 39.651667; -84.544167﻿ (Brubaker Covered Bridge) | Gratis Township | |
| 3 | Bunker Hill House | Bunker Hill House | September 28, 2001 (#01001062) | 7919 State Route 177 in Fairhaven 39°38′13″N 84°46′20″W﻿ / ﻿39.636944°N 84.772222°W﻿ / 39.636944; -84.772222﻿ (Bunker Hill House) | Dixon Township | |
| 4 | Camden City Hall and Opera House | Camden City Hall and Opera House More images | February 12, 1998 (#98000100) | 54 W. Central Ave. 39°37′44″N 84°39′00″W﻿ / ﻿39.628889°N 84.65°W﻿ / 39.628889; -84.65﻿ (Camden City Hall and Opera House) | Camden | |
| 5 | Camden Public School | Camden Public School More images | January 30, 1998 (#98000041) | 110 W. Central Ave. 39°37′48″N 84°38′33″W﻿ / ﻿39.63°N 84.6425°W﻿ / 39.63; -84.6425﻿ (Camden Public School) | Camden | |
| 6 | Christman Covered Bridge | Christman Covered Bridge More images | October 22, 1976 (#76001516) | 1.5 miles northwest of Eaton 39°46′13″N 84°39′18″W﻿ / ﻿39.770278°N 84.655000°W﻿ / 39.770278; -84.655000﻿ (Christman Covered Bridge) | Washington Township | |
| 7 | Daniel Christman Homestead | Daniel Christman Homestead | November 4, 1982 (#82001486) | West of Eaton on U.S. Route 35 39°45′44″N 84°40′04″W﻿ / ﻿39.762222°N 84.667778°W﻿ / 39.762222; -84.667778﻿ (Daniel Christman Homestead) | Washington Township | |
| 8 | Eaton High School | Eaton High School | December 15, 2014 (#14001052) | 307 N. Cherry St. 39°44′50″N 84°38′08″W﻿ / ﻿39.747222°N 84.635556°W﻿ / 39.747222; -84.635556﻿ (Eaton High School) | Eaton | |
| 9 | Euphemia Inn and Tavern | Upload image | August 15, 2024 (#100010659) | 303 W. Cumberland Street (Route 40, National Road) 39°51′16″N 84°32′27″W﻿ / ﻿39.8544°N 84.5407°W﻿ / 39.8544; -84.5407﻿ (Euphemia Inn and Tavern) | Lewisburg | |
| 10 | Fort St. Clair Site | Fort St. Clair Site | November 10, 1970 (#70000514) | 1 mile west of downtown Eaton 39°44′16″N 84°39′15″W﻿ / ﻿39.737778°N 84.654167°W﻿ / 39.737778; -84.654167﻿ (Fort St. Clair Site) | Eaton | |
| 11 | Geeting Covered Bridge | Geeting Covered Bridge More images | August 19, 1975 (#75001528) | 2 miles west of Lewisburg on Price Rd. 39°50′37″N 84°35′50″W﻿ / ﻿39.843611°N 84.597222°W﻿ / 39.843611; -84.597222﻿ (Geeting Covered Bridge) | Monroe Township | |
| 12 | Harshman Covered Bridge | Harshman Covered Bridge More images | September 29, 1976 (#76001517) | 4 miles north of Fairhaven on Concord-Fairhaven Rd. spanning Four Mile Creek 39°42′09″N 84°46′11″W﻿ / ﻿39.702500°N 84.769611°W﻿ / 39.702500; -84.769611﻿ (Harshman Covered Bridge) | Dixon Township | |
| 13 | Historic Associate Reformed Church and Cemetery | Historic Associate Reformed Church and Cemetery | March 6, 2008 (#08000161) | 6471 Camden-College Corner Rd. 39°36′11″N 84°45′38″W﻿ / ﻿39.603°N 84.7605°W﻿ / 39.603; -84.7605﻿ (Historic Associate Reformed Church and Cemetery) | Israel Township | |
| 14 | Hueston Woods Park Mound | Hueston Woods Park Mound | November 5, 1971 (#71000650) | Trail near Class A Campground in Hueston Woods State Park 39°35′05″N 84°46′44″W﻿ / ﻿39.584722°N 84.778888°W﻿ / 39.584722; -84.778888﻿ (Hueston Woods Park Mound) | Israel Township | |
| 15 | Lange Hotel | Lange Hotel | January 25, 1991 (#90002213) | 1 W. Dayton St. 39°44′41″N 84°31′57″W﻿ / ﻿39.744722°N 84.5325°W﻿ / 39.744722; -84.5325﻿ (Lange Hotel) | West Alexandria | |
| 16 | Roberts Covered Bridge | Roberts Covered Bridge More images | September 3, 1971 (#71000651) | City park in southwestern Eaton, over Seven Mile Creek 39°44′26″N 84°38′20″W﻿ / ﻿39.740444°N 84.63875°W﻿ / 39.740444; -84.63875﻿ (Roberts Covered Bridge) | Eaton | The Roberts Covered Bride is the oldest covered bridge in Ohio, the second oldest covered bridge in the United States, and the oldest of the six remaining double-barreled covered bridges in the United States. After being vandalized and heavily damaged by a fire in 1986, it was restored and moved from its original location 3 miles south of Eaton over Seven Mile Creek. It currently sits about 150 feet north of the St. Clair Street Bridge, also listed on the National Register of Historic Places. |
| 17 | St. Clair Street Bridge | St. Clair Street Bridge More images | September 21, 1978 (#78002175) | Over Seven Mile Creek 39°44′24″N 84°38′19″W﻿ / ﻿39.74°N 84.638611°W﻿ / 39.74; -84.638611﻿ (St. Clair Street Bridge) | Eaton | |
| 18 | George B. Unger House | George B. Unger House | November 15, 1978 (#78002176) | 29 E. Dayton St. 39°44′40″N 84°31′51″W﻿ / ﻿39.744444°N 84.530833°W﻿ / 39.744444; -84.530833﻿ (George B. Unger House) | West Alexandria | |
| 19 | Warnke Covered Bridge | Warnke Covered Bridge More images | October 8, 1976 (#76001518) | Northeast of Lewisburg on Swamp Creek Rd. 39°52′26″N 84°30′53″W﻿ / ﻿39.873889°N 84.514722°W﻿ / 39.873889; -84.514722﻿ (Warnke Covered Bridge) | Harrison Township | |
| 20 | West Alexandria Depot | West Alexandria Depot More images | August 11, 2006 (#06000696) | 71 E. Dayton St. 39°44′42″N 84°31′43″W﻿ / ﻿39.745°N 84.528611°W﻿ / 39.745; -84.528611﻿ (West Alexandria Depot) | West Alexandria | |