Massachusetts - Area of significance: Community Planning
| Clapp, Lucius, Memorial |
| Clough, Benjamin F., House |
| Cobb Memorial Library |
| Codding Farm, The |
| Coddington School |
| Cohannet Mill No. 3 |
| Cohasset Central Cemetery |
| Cohasset Common Historic District |
| Colburn, Gilbert, House |
| Colburn School-High Street Historic District |
| Cole, Benjamin, House |
| Collins Building |
| Colony Historic District |
| Colrain Center Historic District |
| Columbia Road-Bellevue Street Historic District |
| Columbia Road-Devon Street Historic District |
| Columbia Road-Strathcona Road Historic District |
| Columbus Avenue and Bragdon Street Historic District |
| Common Street Cemetery |
| Commonwealth Avenue Historic District |
| Commonwealth Avenue Historic District |
| Community House |
| Compton Building |
| Concord Armory |
| Congregational Church of West Stockbridge |
| Conway Center Historic District |
| Coolidge School |
| Copp's Hill Terrace |
| Corcoran School |
| Cottage Farm Historic District |
| Cottage-Freeman Historic District |
| County Street Historic District |
| Court Square Historic District |
| Cove Street Historic District |
| Crabtree, Thomas, Three-Decker |
| Crafts Street City Stable |
| Craigie Arms |
| Cranch School |
| Crane, Frank W., House |
| Cranesville Historic District |
| Crimmins, Thomas A., House |
| Crystal Street Historic District |
| Custom House District |
| Cypress-Emerson Historic District |
| Daddy Frye's Hill Cemetery |
| Dana Common Historic and Archaeological District |
| Daniels, Charles A., School |
| Dartmouth Street School |
| Davenport Estate Historic District |
| David S. Lynch Memorial Park |
| Davidson, Sarah, Apartment Block |
| Davis, Dr. Frank, House |
| Davis, Rodney, Three-Decker |
| Davis, Thomas Aspinwall, House |
| Davis, Wesley, Three-Decker |
| Day Estate Historic District |
| Dean, Frank L. and Mabel H., House |
| Dean-Hartshorn House |
| Dean, Mary, Three-Decker |
| Dedham Village Historic District |
| Delsignore, Louis, Three-Decker |
| Dennison Manufacturing Co. Paper Box Factory |
| Dennis Village Cemetery |
| DeRochmont House |
| DeRosay-McNamee House |
| Diamond Historic District |
| Dicey, Russell M., House |
| Dickinson Historic District |
| District 7 School |
| District Five Schoolhouse |
| District No. 4 School |
| District No. 5 School |
| District No. 5 School |
| Dixwell Street Apartments Historic District |
| Dodge, Helen, Three-Decker |
| Donaghy, Thomas, School |
| Doran, Thomas F., Three-Decker |
| Dorchester Heights Historic District |
| Dorchester Heights National Historic Site |
| Dorchester Park |
| Dorchester South Burying Ground |
| Dorothy Q Apartments |
| Douglass, Alfred, House |
| Douglass, Frederick, Square Historic District |
| Dowley-Taylor House |
| Downtown Chelsea Residential Historic District |
| Downtown Clinton Historic District |
| Downtown Lawrence Historic District |
| Dowse, Rev. Edmund, House |
| Drew, Elvira, Three-Decker |
| Dudley Hill Historic District |
| Dudley Station Historic District |
| Duke, Philip, Three-Decker |
| Dunbar-Stearns House |
| Dunstable Center Historic District |
| Dunstable Town Hall |
| Dunvegan, The |
| Dutton-Holden Homestead |
| Dwight, Edmund, House |
| Dwight Manufacturing Company Housing District |
Data from United States Park Service and Wikidata
