| Property | Address | City | Date Listed |
|---|---|---|---|
| Foster Park Historic District | 500-900 blocks Central Ave. S and blocks surrounding Foster Park | Le Mars | 04/25/2008 |
| Kimball Village | Restricted | Westfield vicinity | 6/11/2010 |
| Le Mars Central High School | 335 1st Ave. SW | Le Mars | 5/14/99 |
| Le Mars Municipal Park and Golf Course Historic District | NE corner of Le Mars, 4th Avenue NE or Hwy 3 | Le Mars | 8/8/2001 |
| Le Mars Public Library | 200 Central | Le Mars | 03/26/1979 |
| Plymouth County Courthouse | E. 3rd Ave. | Le Mars | 07/02/1981 |
| Reeves Farmstead Historic District | 15991 IA 60 | Le Mars vicinity | 1/26/2001 |
| Sacred Heart Hospital | 110 6th Ave. NE | Le Mars | 02/03/2010 |
| St. George's Episcopal Church | 400 1st Ave. SE | Le Mars | 11/21/1976 |
| Thoren Hall | Westmar College campus 10th Street SE | Le Mars REMOVED | 5/22/98 |
| Tonsfeldt Round Barn | Plymouth County Fairgrounds | LeMars | 11/19/1986 |