| Ashley and Bailey Company Silk Mill | West York Borough | Building | 1991 |
| Ashton-Hursh House | New Cumberland | Building | 2003 |
| Berkheimer, Henry and Elizabeth, Farm | Washington Township | Building | 2000 |
| Billmeyer House | York | Building | 1970 |
| Bixler, Michael and Magdealena Farmstead | East Manchester | Building | 2000 |
| Bobb, Barnett, House | York | Building | 1975 |
| Bridge 182+42, Northern Central Railway | Glen Rock | Structure | 1995 |
| Bridge 5+92, Northern Central Railway | Seven Valleys | Structure | 1995 |
| Bridge 634, Northern Central Railway | Railroad | Structure | 1995 |
| Bridge between East Manchester and Newberry Townships | Conewago Heights | Structure | 1988 |
| Bridge in Washington Township | Kralltown | Structure | 1988 |
| Brodbeck, S. B., Housing | Brodbecks | Building | 1990 |
| Burgholtshouse | East Prospect | Building | 1979 |
| Chestnut Hill | Windsor Township | Building | 2001 |
| Clear Spring Mill | Dillsburg | Building | 1996 |
| Codorus Forge and Furnace Historic District | Saginaw | District | 1991 |
| Consumers Cigar Box Company | Red Lion | Building | 1999 |
| Cookes House | York | Building | 1972 |
| Coulsontown Cottages Historic District | Delta | District | 1985 |
| Deer Creek Bridge, Stewartstown Railroad | Shrewsbury | Structure | 1995 |
| Delta Historic District | Delta | District | 1983 |
| Delta Trestle Bridge, Maryland and Pennsylvania Railroad | Delta | Structure | 1995 |
| Diamond Silk Mill | East York | Building | 1992 |
| Dill's Tavern | Dillsburg | Building | 2004 |
| Dritt Mansion | Wrightsville | Building | 1977 |
| East York Historic District | Springettsbury Township | District | 1999 |
| Eichelberger High School | Hanover | Building | 1995 |
| Emig Mansion | Emigsville | Building | 1984 |
| Fairmount Historic District | York City | District | 1999 |
| Farmers Market | York | Building | 1977 |
| Fissel's School | Shrewsbury Township | Building | 1997 |
| Forry House | York | Building | 1977 |
| Gates, Gen. Horatio, House, and Golden Plough Tavern | York | Building | 1971 |
| Glen Rock Historic District | Glen Rock | District | 1997 |
| Goldsboro Historic District | Goldsboro | District | 1984 |
| Guinston United Presbyterian Church | Laurel | Building | 1976 |
| Hammersly-Strominger House | Lewisberry | Building | 1978 |
| Hanover Historic District | Hanover | District | 1997 |
| Hanover Junction Railroad Station | Hanover Junction | Building | 1983 |
| Howard Tunnel, Northern Central Railway | New Salem | Structure | 1995 |
| Hyson Schools Historic District | East Hopewell Township | District | 2023 |
| Indian Steps Cabin | Airville | Building | 1990 |
| Kise Mill Bridge | Woodside | Structure | 1988 |
| Kise Mill Bridge Historic District | York Haven | District | 1980 |
| Laurel-Rex Fire Company House | York | Building | 1976 |
| Leibhart, Byrd, Site (36YO170) | Long Level | Site | 2009 |
| Leibhart, Oscar, Site (36YO9) | Long Level | Site | 1984 |
| McCalls Ferry Farm | Lower Chanceford Township | District | 2000 |
| Melchinger, Englehart, House | Dover | Building | 1992 |
| Merchants Cigar Box Company | Dallastown | Building | 2021 |
| Muddy Creek Bridge, Maryland and Pennsylvania Railroad | Sunnyburn | Structure | 1995 |
| Muddy Creek Forks Historic District | Muddy Creek Forks | District | 1994 |
| Nace (Neas), George, House | Hanover | Building | 1972 |
| New Freedom Railroad Station, Northern Central Railway | New Freedom | Building | 1995 |
| Nook, The | York Spring Garden | Building | 1982 |
| Northwest York Historic District | York | District | 1983 |
| Payne's Folly | Fawn Township | Building | 1986 |
| Pettit's Ford | Dover | Building | 1983 |
| Pierceville Run Agricultural Historic District | Glen Rock | District | 2013 |
| Pleasureville Historic Historic | Springettsbury | District | 2000 |
| Quay, Rev. Anderson B., House | Dillsburg | Building | 1997 |
| Railroad Borough Historic District | Railroad | District | 1984 |
| Red Lion Borough Historic District | Red Line | District | 2000 |
| Ridge Road Bridge, Stewartstown Railroad | Stewartstown | Structure | 1995 |
| Schultz, Martin, House | Hallam | Building | 1993 |
| Scott Creek Bridge-North, Maryland and Pennsylvania Railroad | Bryansville | Structure | 1995 |
| Shelly, William, School and Annex | West York Borough | Building | 2001 |
| Shrewsbury Historic District | Shrewsbury | District | 1984 |
| Shrewsbury Railroad Station, Stewartstown Railroad | Shrewsbury | Building | 1995 |
| Sinking Springs Farms | Manchester | District | 2000 |
| South Road Bridge, Northern Central Railway | Larue | Structure | 1995 |
| Spring Grove Borough Historic District | Spring Grove | District | 1984 |
| Springdale Historic District | York | District | 2001 |
| Stevens School | York | Building | 1983 |
| Stewartstown Engine House, Stewartstown Railroad | Stewartstown | Building | 1995 |
| Stewartstown Railroad Station | Stewartstown | Building | 1995 |
| Stone Arch Road Bridge, Stewartstown Railroad | Railroad | Structure | 1995 |
| Stoner, Samuel, Homestead | York | Building | 1976 |
| Strickler Family Farmhouse | York | Building | 1991 |
| Swigart's Mill | Hanover | Building | 1980 |
| United Cigar Manufacturing Company | York City | Building | 1999 |
| US Post Office-Hanover | Hanover | Building | 1992 |
| Valley Road Bridge, Stewartstown Railroad | Stewartstown | Structure | 1995 |
| Wallace-Cross Mill | Felton | Building | 1977 |
| Warrington Meetinghouse | Wellsville | Building | 1975 |
| Wellsville Historic District | Wellsville | District | 1977 |
| West Side Sanitarium | West York Borough | Building | 2004 |
| Whiteford, Hugh and Elizabeth Ross, House | Delta | Building | 2018 |
| Willis House | York | Building | 1979 |
| Wrightsville Historic District | Wrightsville | District | 1983 |
| York Armory | York | Building | 1990 |
| York Casket Company | York | Building | 2008 |
| York Central Market | York | Building | 1978 |
| York Dispatch Newspaper Offices | York | Building | 1978 |
| York Historic District | York | District | 1979 |
| York Historic District (Boundary Increase) | York | District | 2008 |
| York Iron Company Mine | Spring Grove | Site | 1985 |
| York Meetinghouse | York | Building | 1975 |
Ashley and Bailey Company Silk Mill West York Borough · Building · listed 1991 
Ashton-Hursh House New Cumberland · Building · listed 2003 
Berkheimer, Henry and Elizabeth, Farm Washington Township · Building · listed 2000 
Billmeyer House York · Building · listed 1970 
Bixler, Michael and Magdealena Farmstead East Manchester · Building · listed 2000 
Bobb, Barnett, House York · Building · listed 1975 
Bridge 182+42, Northern Central Railway Glen Rock · Structure · listed 1995 
Bridge 5+92, Northern Central Railway Seven Valleys · Structure · listed 1995 
Bridge 634, Northern Central Railway Railroad · Structure · listed 1995 
Bridge between East Manchester and Newberry Townships Conewago Heights · Structure · listed 1988