Connecticut - Area of significance: Agriculture
| Applewood Farm |
| Avery Homestead |
| Avery, Thomas, House |
| Bolton Green Historic District |
| Branchville Railroad Tenement |
| Branford Center Historic District |
| Brewer, Selden, House |
| Brewster Homestead |
| Bronson Windmill |
| Burnham, Edward L., Farm |
| Burnham Tavern |
| Bush Hill Historic District |
| Calhoun-Ives Historic District |
| Canton Center Historic District |
| Chapman, David, Farmstead |
| Chatfield Farmstead |
| Church Farm |
| Comstock, Abijah, House |
| Connecticut Agricultural Experiment Station |
| Cream Hill Agricultural School |
| Darling Family Farmstead and Tavern |
| Darling, James Alexis, House |
| Dudley Farm Historic District |
| Dudleytown Historic District |
| East Granby Historic District |
| East Plymouth Historic District |
| East Weatogue Historic District |
| Eldredge Mills Archeological District |
| Eliot, Jared, House |
| Enfield Shakers Historic District |
| Fanning, Capt. Thomas, Farmstead |
| Farwell Barn |
| Filley, Capt. Oliver, House |
| Frisbie, Edward, Homestead |
| Glastonbury-Rock Hill Ferry Historic District |
| Gorton, William, Farm |
| Goshen Historic District |
| Griswold Point Historic District |
| Halpine, J. S., Tobacco Warehouse |
| Hart's Corner Historic District |
| Hemlock Glen Industrial Archeological District |
| Highland Historic District |
| Hilltop Farm |
| Hine-Buckingham Farms |
| Lamb Homestead |
| Lewis-Zukowski House |
| Little Pootatuck Brook Archeological Site |
| Lyman, David, II, House |
| Main Street Historic District |
| Meeker's Hardware |
| Melrose |
| Noyes, William, Farmstead |
| Old Wethersfield Historic District |
| Palmer, Luther, House |
| Parker-Hutchinson Farm |
| Phelps Farms Historic District |
| Pine Grove Historic District |
| Pinney, David, House and Barn |
| Pledger, Jacob, House |
| Ramsdell, Hezekiah S., Farm Site |
| Roxbury Center |
| Sage-Kirby House |
| Selleck, Sylvanus, Gristmill |
| Sharpe's Trout Hatchery Site |
| Smith, Jabez, House |
| Spring Hill Historic District |
| Stanton, Robert, House |
| Stoddard, Capt. Mark, Farmstead |
| Terry's Plain Historic District |
| Walnut Grove |
| West Granby Historic District |
| Wickham Road Historic District |
| Wildman, E. A., & Co. Tobacco Warehouse |
| Williams House |
| Windsor Farms Historic District |
| Woodbridge Farm |
| Woodbridge Farmstead |
Data from United States Park Service and Wikidata
