| Property | Address | City | Date Listed |
|---|---|---|---|
| Architecture of Henry K. Holsman Historic Campus District | Bounded by Merrill Street IA 1 and Carter Memorial Dr. | Fairfield | 10/31/1983 |
| Ball W. C. House | R.R. #2 | Fairfield | 04/04/1985 |
| Beck James A. House | 401 E. Burlington Ave. | Fairfield | 03/29/1978 |
| Burnett-House | 605 N. 3rd Street | Fairfield | 01/27/1983 |
| Clarke James F. House | 500 S. Main Street | Fairfield | 02/08/1980 |
| Commercial Block Delisted | 106 108 110 N. Main St. | Fairfield | 2/22/1999 |
| Evergreen Ridge Stock Farm Historic District | 2224 IA S | Fairfield | 06/21/2007 |
| Fairfield Public Library | Court & Washington | Fairfield | 05/23/1983 |
| Former US Post Office Building | 110 S. Court Street | Fairfield | 01/24/1991 |
| Fryer O.F. and Lulu E. House | 902 S. Main St. | Fairfield | 2/05/99 |
| Fulton Fred and Rosa Barn | 1210 278th Blvd. | Selma vicinity | 2/22/99 |
| Henn Mansion | Maharishi International University Campus | Fairfield | 01/11/1983 |
| Iowa Malleable Iron Company | 600-608 N. Ninth St. | Fairfield | 2/22/99 |
| Jefferson County Courthouse | Court Street between Briggs & Hempstead Aves. | Fairfield | 07/02/1981 |
| Louden Machinery Company | 607 W. Broadway Ave. | Fairfield | 2/22/99 |
| Louden Monorail System in the Auto Repair Shop | 117 E. Broadway Ave. | Fairfield | 2/22/99 |
| Louden, R. B. and Lizzie L. House | 107 W. Washington Ave. | Fairfield | 2/22/99 |
| Louden, R. Bruce and May W. | 501 W. Adams Avenue | Fairfield | 09/12/2003 |
| Louden, R.R. and Antoinette House | 905 E. Adams Ave. | Fairfield | 2/26/99 |
| Louden Whirl-Around | 905 E. Harrison Ave. | Fairfield | 2/22/99 |
| Louden William and Mary Jane House | 501 W. Washington Ave. | Fairfield | 2/18/99 |
| Luedtke August and Vera Barn | 1938 185th St. | Fairfield vicinity | 2/22/99 |
| McElhinny House | 300 N. Court Street | Fairfield | 12/19/1977 |
| New Sweden Chapel | E of Fairfield off U.S. 34 | Fairfield vicinity | 03/25/1977 |
| Old Settlers' Association Park and Rhodham Bonnifield House | B Street | Fairfield | 08/14/1986 |
| Wells--Stubbs House | 508 E. Burlington Ave. | Fairfield | 10/10/1985 |
| Wells George A. House | 304 S. Main Street | Fairfield | 01/27/1983 |
| Wilson Building | 106--108 S. Court Street | Fairfield | 01/24/1991 |
| Wilson US Senator James F. House | 805 S. Main Street | Fairfield | 01/24/1991 |