Massachusetts - Criteria: C (architecture/engineering)
| Castle Hill |
| Castle, The |
| Cataract Engine Company No. 3 |
| Cathedral of St. George Historic District |
| Cathedral of St. Paul |
| Center Cemetery |
| Center Cemetery |
| Center Depot |
| Center Methodist Church |
| Center School |
| Center Village District |
| Centerville Historic District |
| Central Congregational Church |
| Central Congregational Church |
| Central Fire Station |
| Central Fire Station |
| Central Fire Station |
| Central Fire Station |
| Central Gloucester Historic District |
| Central Library |
| Central Mills Historic District |
| Central New Bedford Historic District |
| Central Square Historic District |
| Central Square Historic District |
| Central Square Historic District |
| Central Square Historic District |
| Central Street District |
| Central Street Historic District |
| Central Woolen Mills District |
| Centre and Montello Streets Historic District |
| Centre Village Historic District |
| Chace, A. B., Rowhouses |
| Chace Mills |
| Chadwick-Brittan House |
| Chadwick Square Diner |
| Chamberlain-Bordeau House |
| Chamberlain, Charles, House |
| Chamberlain-Flagg House |
| Chamberlain, Samuel, House |
| Chandler-Bigsby-Abbot House |
| Chandler, Gen. Samuel, House |
| Chandler-Hidden House |
| Chapel of St. Anne |
| Chapin, A., House |
| Chapin Block |
| Chapin National Bank Building |
| Chapin School |
| Chaplin-Clarke House |
| Charlemont Village Historic District |
| Charles Playhouse |
| Charles River Basin Historic District |
| Charles River Reservation Parkways |
| Charles River Reservation (Speedway)-Upper Basin Headquarters |
| Charles Street African Methodist Episcopal Church |
| Charles Street Workers' Housing Historic District |
| Charlestown Heights |
| Charlton Center Historic District |
| Charlton Mill |
| Charter Street Historic District |
| Chase-Hyde Farm |
| Chase, Lemuel B., House |
| Chase Library |
| Chase, Samuel, House |
| Chase's, Oliver, Thread Mill |
| Chatham Light Station |
| Chatham Railroad Depot |
| Chelmsford Center Historic District |
| Chelmsford Glass Works' Long House |
| Chelsea Garden Cemetery |
| Cheney, Alpha M., House |
| Cheney, J. M., Rental House |
| Cheshire Town Hall Complex |
| Chester Center Historic District |
| Chester Factory Village Historic District |
| Chesterfield Center Historic District |
| Chestnut Hill Historic Distric |
| Chestnut Hill Meetinghouse |
| Chestnut Hill Reservoir Historic District |
| Chestnut Hill, The |
| Chestnut Street District |
| Chickering House |
| Child, Francis J., House |
| Child, Isaac, House |
| Children's Home |
| Childs, Mayor Edwin O., House |
| Childs, Webster, House |
| Choate Bridge |
| Choate, Rufus, House |
| Christ Church |
| Christ Church |
| Christ Church |
| Christ Episcopal Church |
| Chubbuck, Thomas, Jr., House |
| Church Green |
| Church Green Buildings Historic District |
| Church-Lafayette Streets Historic District |
| Church of Christ |
| Church of Christ, Swansea |
| Church of the Ascension |
| Church of the New Jerusalem |
Data from United States Park Service and Wikidata
