New Jersey - Significance region: Local
| Catedral Evangelica Reformada |
| Cathedral of St. John the Baptist |
| Cat Tail Brook Bridge |
| Cattell Tract Historic District |
| Cavarly Cottage |
| Cedar Bridge Tavern |
| Cedar Brook Park |
| Cedar Grove School |
| Centenary Collegiate Institute |
| Centennial House |
| Central Avenue Commercial Historic District |
| Central Presbyterian Church |
| Central Railroad of New Jersey |
| Central Trust Company |
| Chamberlain, George, House |
| Chapman, J. M., House |
| Chateau Bleu Motel |
| CHAUNCY JEROME JR Shipwreck Site |
| Chesterford School |
| Chester House Inn |
| Chew, Jesse, House |
| Chew-Powell House |
| Christ Church |
| Christ Church (Episcopal), Shrewsbury |
| Christ Episcopal Church |
| Christie-Parsels House |
| Church in the Glen, The |
| Church of Our Lady of Grace |
| Church of the Ascension |
| Church of the Holy Communion |
| Church of the Immaculate Conception |
| Church of the Madonna |
| Church of the Presidents |
| Church of the Redeemer |
| Church Street School |
| Cinnaminson Avenue and Spring Garden Street Schools |
| Clark, Benjamin, House |
| Clarksburg Methodist Episcopal Church |
| Clarksburg School |
| Cliffside Hose Company No. 4 |
| Clinton Furnace |
| Clinton Historic District |
| Coachman, Owen, House |
| Coffee House |
| Cokesbury Historic District |
| Cold Spring Grange Hall |
| Cold Spring Presbyterian Church |
| Cold Water Bridge |
| Cole-Allaire House |
| Cole Landing Tavern |
| Coles, Samuel, House |
| Collings-Knight Homestead |
| Collingswood Commercial Historic District |
| Collingswood Residential Historic District |
| Collingswood Theatre |
| Collins and Pancoast Hall |
| Collins House |
| Combs Hollow |
| Community Hospital |
| Concklin-Sneden House |
| Condit, Stephen, House |
| Congregational Church |
| Converse Cottage |
| Cooke, Frederick William, Residence |
| Cook, Ellis, House |
| Cooper, Gen. Nathan, Mansion |
| Cooper Grant Historic District |
| Cooper, Joseph, House |
| Cooper, Nathan, Gristmill |
| Cooper River Park Historic District |
| Cooper Street Historic District |
| Cooper, Thunise & Richard, House |
| Coopertown Meetinghouse |
| Cooper, Tunis R., House |
| Corson, John, Jr., House Site |
| Court Street School |
| Covered Bridge Historic District |
| Coward-Hendrickson House |
| Coward-Smith House |
| Cox, Mary Etta, House |
| Craft-Clausen House |
| Craig, Moses, Limekilns |
| Crane, Israel, House |
| Crane-Phillips House |
| Crawford House |
| Crescent Theatre |
| Crim-Tice House |
| Cropwell Friends Meeting House |
| Crosswicks |
| Cruse-Hossington House |
| Danforth Memorial Library |
| Darlington Schoolhouse |
| Davenport-Demarest House |
| Dawlis Mill-Spring Mill Historic District |
| Day Street Public School |
| Debaun-Demarest House |
| Debaun, Isaac, House |
| De Camp, John, House |
| De Clark, William, House |
| Deerfield Pike Tollgate House |
Data from United States Park Service and Wikidata