North Carolina - Role: Building
| Norfolk Southern Passenger Station |
| Northampton County Courthouse Square |
| North Carolina Agricultural Experiment Station Cottage |
| North Carolina Electrical Power Company Electric Generating Plant |
| North Carolina Executive Mansion |
| North Carolina Industrial Home for Colored Girls |
| North Carolina Mutual Life Insurance Company Building |
| North Carolina School for the Blind and Deaf Dormitory |
| North Carolina School for the Deaf: Main Building |
| North Carolina State Capitol |
| North Carolina State Fair Commercial & Education Buildings |
| North Durham County Prison Camp (Former) |
| North Washington Avenue Workers' House |
| Norwood School |
| Nowell-Mayerburg-Oliver House |
| Nu-Wray Inn |
| Oak City Christian Church |
| Oakforest |
| Oak Grove |
| Oak Grove School |
| Oak Island Life Saving Station |
| Oaklana |
| Oakland |
| Oakland Plantation |
| Oakland Plantation |
| Oakmont |
| Oak Plain Presbyterian Church |
| Oaky Grove |
| Oates, John A., House |
| Oates, Livingston, Farm |
| O'Brien, William Thomas, House |
| Occidental Life Insurance Company Building |
| Oconaluftee Baptist Church |
| Oconaluftee Ranger Station |
| Ocracoke Light Station |
| Odd Fellows Building |
| Odd Fellows Lodge |
| Odell-Locke-Randolph Cotton Mill |
| O'Hanlon Building |
| O'Kelly's Chapel |
| Old Bluff Presbyterian Church |
| Old Brick House |
| Old Davidson County Courthouse |
| Old East, University of North Carolina |
| Old German Baptist Brethern Church |
| Old Main, Pembroke State University |
| Old Orange County Courthouse |
| Old Richmond Schoolhouse and Gymnasium |
| Old Town Plantation |
| Old Wilkes County Jail |
| One Plaza Center |
| Opera House-Starnes Jewelers Building |
| Orange Street School |
| Oregon Inlet Station |
| Orient Manufacturing Company-Chadwick-Hoskins No. 3 |
| Orr, Charles E., House |
| Orton Plantation |
| Ottari Sanitarium |
| Ottinger, Henry, House |
| Outen, R.F., Pottery |
| Overcarsh House |
| Overlook |
| Owen Family House and Cemetery |
| Owen-Harrison House |
| Page-Walker Hotel |
| Page, Williamson, House |
| Paisley J. W., House |
| Paisley-Rice Log House |
| Palmer Fire School |
| Palmer-Marsh House |
| Palo Alto Plantation |
| Pantego Academy |
| Panther Branch School |
| Parham, Maria, Hospital |
| Parker, Francis, House |
| Parker, James H., House |
| Parker, King, House |
| Parks-Cramer Company Complex, Former |
| Paschal House |
| Paschal-Womble House |
| Patrick-Carr-Herring House |
| Patterson, John E., House |
| Patton Farm |
| Peace College Main Building |
| Peace, John Mask, House |
| Pearce-Stallings-Massey House |
| Peebles House |
| Peeler, Harvey Jeremiah, House |
| Pegram House |
| Pembroke Hall |
| Pembroke High School, Former |
| Pender County Courthouse |
| Pendergrass Building |
| Pender, Joseph John, House |
| Penland Post Office and General Store |
| Penn House |
| Pennington, Cicero, Farm |
| Penn, William, High School |
| Penny, Jesse, House and Outbuildings |
| Peoples Bank Building |
Data from United States Park Service and Wikidata
