All - Architectural style - Victorian architecture
| Butler, James And Clara, House |
| Caldwell County Courthouse Historic District |
| Caldwell House |
| Caledonia No. 9 Grange Hall |
| Calvary Presbyterian Church |
| Cape House |
| Casey House |
| Castle Rock Depot |
| Cataumet Schoolhouse |
| Cedar County Sheriff's House and Jail |
| Cedar Rapids Pump Company Factory and Warehouse |
| Cemetery Bluff District |
| Central High School |
| Central National Bank |
| Chandler Bookstore |
| Chapman, A. F., House |
| Chautauqua Tower |
| Chesser-Morgan House |
| Chicago and Northwest Railroad Passenger Station |
| Chicago, Burlington Northern and Quincy Depot |
| Chicago, Milwaukee and St. Paul Railway Company Passenger Depot |
| Chicago, Milwaukee, St. Paul & Pacific Combination Depot-Hornick |
| Christensen, Paul C., House |
| Church of the Good Shepherd |
| City Hotel |
| Clark-Blackwell House |
| Clark-Whitton House |
| Clary Mill |
| Clegg, John H., House |
| Cleveland Arcade |
| Cliffwood Hall |
| Clinch County Courthouse |
| Clinger-Booth House |
| Clyde, James William, House |
| Cobb, Hezekiah W. and Sarah E. Fishell, House |
| Collyer, Capt. Moses W., House |
| Columbus City Hall |
| Comal Hotel and Klein-Kuse House |
| Comfort Historic District (Boundary Increase) |
| Compton, Alma, House |
| Congress Avenue Historic District |
| Connelly-Yerwood House |
| Cook, Clarissa, Home for the Friendless |
| Cooper, George, House |
| Copake Falls Methodist Episcopal Church |
| Cordner, Alexander and Nellie P., House |
| Cordner-Calder House |
| Cordner, William James and Edna, House |
| Cornwall, Mason, House |
| Cortesy, Anthony, House |
| Cottage in the Pines |
| Courtney, J. B., Woolen Mills |
| Cox House |
| Crane-Phillips House |
| Crank House |
| Crawford House |
| Crossman, George, House |
| Curtis, George M., House |
| Dallas Downtown Historic District |
| Dallin House |
| Dalton Grange Hall No. 23 |
| Davis, George W., House |
| Davis-Hull House |
| Davis, Joshua House |
| Davis-Proctor House |
| Dawson House |
| Deal, Roe A. and Louise R., House |
| Decker, Stephen, Rowhouse |
| Deering Building |
| Deering, Nathaniel Cobb and Lucetia Baily, House |
| Delafield Fish Hatchery |
| Denny, Professor Charles O., House |
| Detmer, A. M., House |
| Detroit-Bay City Railroad Company Columbiaville Depot |
| D & H Railroad Complex |
| Dial-Goza House |
| Dinwoody, Henry, House |
| District Four School |
| Doe, M. E., House |
| Drake, Benjamin and Maria (Ogden), Farm |
| Dresden Town House |
| Dudley House |
| Dunstable Town Hall |
| Duval, Mary, House |
| East Side Historic District |
| Eaton, Nestor P., House |
| Ebeling, Henry, House |
| Eckert House |
| Eddleman-McFarland House |
| Edel, Matthew, Blacksmith Shop and House |
| Eden Park Stand Pipe |
| Edinger, Edward, House |
| Edwards, Jesse, House |
| Edwards, John, House |
| Eighth Avenue (14th Regiment) Armory |
| Ellwood Mansion |
| Elmendorf, Emil, House |
| Elmshaven |
| Elmwood |
| El Reno Hotel |
Data from United States Park Service and Wikidata
