Private owner

Newton Theological Institution Historic District (Middlesex County, Massachusetts)
Newton West Church Historic District (Newton County, Mississippi)
Newton White House (Giles County, Tennessee)
Newton, Azariah, House (Worcester County, Massachusetts)
Newton, Charles, House (Worcester County, Massachusetts)
Newton, S.D., House (Worcester County, Massachusetts)
Newton-Allaire House (Cheboygan County, Michigan)
Newton-Kemp Houses (Warren County, Kentucky)
Newtonville United Methodist Church (Albany County, New York)
Newtown Friends Meetinghouse and Cemetery (Bucks County, Pennsylvania)
Newtown Historic District (Staunton, Virginia)
Newtown Historic District (Polk County, Tennessee)
Newtown Presbyterian Church (Bucks County, Pennsylvania)
Niagara Camp (Tuolumne County, California)
NIANTIC (Storeship) (San Francisco County, California)
Niblock--Yacovetta Terrace (Denver County, Colorado)
Nichelini Winery (Napa County, California)
Nicherson-Tarbox House, Shed and Barn (Wright County, Minnesota)
Nichol House (Jefferson County, Arkansas)
Nicholai Fechin House (Taos County, New Mexico)
Nicholas Augustus Viken Homestead (Butte County, South Dakota)
Nicholas Bohr Barn (Doniphan County, Kansas)
Nicholas Carriger Estate (Sonoma County, California)
Nicholas Carter House (Larue County, Kentucky)
Nicholas Christman House (Muskingum County, Ohio)
Nicholas Cocaigne House (Jefferson County, New York)
Nicholas County Bank (Nicholas County, West Virginia)
Nicholas East House (Chester County, Pennsylvania)
Nicholas Eckis House (Columbiana County, Ohio)
Nicholas Finzer House (Jefferson County, Kentucky)
Nicholas Gibbs House (Knox County, Tennessee)
Nicholas Girod House (Orleans Parish, Louisiana)
Nicholas Haight Farmstead (Dane County, Wisconsin)
Nicholas Haring House (Bergen County, New Jersey)
Nicholas J. Kuhnen House (Scott County, Iowa)
Nicholas Jarrot Mansion (St. Clair County, Illinois)
Nicholas Johnson Mill (Berks County, Pennsylvania)
Nicholas Koester Building (Scott County, Iowa)
Nicholas Kremer House (Campbell County, Kentucky)
Nicholas Newlin House (Delaware County, Pennsylvania)
Nicholas O. Walden House (Clackamas County, Oregon)
Nicholas Ohmer House (Montgomery County, Ohio)
Nicholas Rowe House (Summit County, Utah)
Nicholas Switzer House (Hardy County, West Virginia)
Nicholas T. Ries Farmstead (Codington County, South Dakota)
Nicholas Tate Perkins House (Williamson County, Tennessee)
Nicholas Way House (Allegheny County, Pennsylvania)
Nicholas Zabriskie House (Bergen County, New Jersey)
Nicholas-Lang House (Multnomah County, Oregon)
Nicholls House and Woolen Mill Site (Brooke County, West Virginia)
Nicholls-Crook House (Spartanburg County, South Carolina)
Historic plantation home in Moore, SC
Nichols Funeral Home Building (Pennington County, South Dakota)
Nichols High School (Tioga County, New York)
Nichols House (Washington County, Vermont)
Nichols House (Tangipahoa Parish, Louisiana)
Nichols House (Middlesex County, Massachusetts)
Nichols House (Yamhill County, Oregon)
Nichols House (Las Animas County, Colorado)
Nichols, Daniel, Homestead (Middlesex County, Massachusetts)
Nichols, George Pickering, House (Windham County, Connecticut)
Nichols, James, House (Middlesex County, Massachusetts)
Nichols, Jerry, Tavern (Middlesex County, Massachusetts)
Nichols, John F., House (Middlesex County, Massachusetts)
Nichols, Marion, Summer Home (Hillsborough County, New Hampshire)
Nichols, Richard, House (Middlesex County, Massachusetts)
Nichols--Sterner House (Berkshire County, Massachusetts)
Nicholson File Company Mill Complex (Providence County, Rhode Island)
Nicholson House (Baldwin County, Alabama)
Nicholson House and Inn (Erie County, Pennsylvania)
Nicholson--Rand House (Marion County, Indiana)
Nicholsonville Baptist Church (Chatham County, Georgia)
Nick J. Bielenberg House (Powell County, Montana)
Nick's Hamburger Shop (Brookings County, South Dakota)
Nickell Homestead and Mill (Monroe County, West Virginia)
Nickels Arcade (Washtenaw County, Michigan)
Nickels-Milam House (Laurens County, South Carolina)
Nickels-Sortwell House (Lincoln County, Maine)
Nickerson Mansion (Barnstable County, Massachusetts)
Nicking House (Johnson County, Iowa)
Nickolai Wargelin Homestead (Valley County, Idaho)
Nicodemus Mill Complex (Washington County, Maryland)
Nicolai--Cake--Olson House (Multnomah County, Oregon)
Nicolaus H. Hultin House (Vilas County, Wisconsin)
Nicolay House (St. Louis County, Missouri)
Nicoll, Caroline, House (New Haven County, Connecticut)
Nicollet County Bank (Nicollet County, Minnesota)
Nicollet House Hotel (Nicollet County, Minnesota)
Niece Brothers' Store (Custer County, Idaho)
Nieland House (Clayton County, Iowa)
Niels Nielsen Fourteen-Side Barn Farm (Divide County, North Dakota)
Niels Ole Anderson House (Sanpete County, Utah)
Niels P. Hjort House (Sanpete County, Utah)
Niels Petersen House (Maricopa County, Arizona)
Nielsen Farm (Lincoln County, Kansas)
Niewerth Building (Carroll County, Indiana)
Nifty Theatre (Douglas County, Washington)
Nightengale House (Norfolk County, Massachusetts)
Nightengale, Solomon, House (Norfolk County, Massachusetts)
Demolished
Nightingale Hall Rice Mill Chimney (Georgetown County, South Carolina)
Nightingale--Brown House (Providence County, Rhode Island)
Nihon Go Gakko (King County, Washington)
Nihon Go Gakko (Pierce County, Washington)
Lost 1920s era Japanese Language School
Niles Farmhouse (Madison County, New York)
Niles House (Attala County, Mississippi)
Niles Masonic Temple (Trumbull County, Ohio)
Niles, Louville V., House (Middlesex County, Massachusetts)
Niles, Louville, House (Middlesex County, Massachusetts)
Nils Ahlstrom House (Jackson County, Oregon)
Nils Skumsrud House (Vernon County, Wisconsin)
Nimmo Clubhouse (White County, Arkansas)
Nimocks House (Cumberland County, North Carolina)
Nimocks House (Lorain County, Ohio)
Nimrod I. Buster House and Farmstead (Boyle County, Kentucky)
Nimrod Ross House (Lancaster County, Nebraska)
Nine Bridges Bridge (Hall County, Nebraska)
Nine Hearths (Warren County, Kentucky)
Nine Partners Meeting House and Cemetery (Dutchess County, New York)
Nine-Mile Prairie (Lancaster County, Nebraska)
Nininger's Mill (Botetourt County, Virginia)
Ninth Avenue Historic District (Spokane County, Washington)
Ninth Street Historic District (Hamilton County, Ohio)
Ninth Street West Historic District (Cabell County, West Virginia)
Niolon Building (Lauderdale County, Mississippi)
Niotaze Methodist Episcopal Church (Chautauqua County, Kansas)
Nippon Hospital (San Joaquin County, California)
Nippon Kan (King County, Washington)
Nisbet Homestead Farm (De Kalb County, Illinois)
Nisbett Building (Mecosta County, Michigan)
Nishnabotna Ferry House (Cass County, Iowa)
Niskayuna Railroad Station (Schenectady County, New York)
Niskayuna Reformed Church (Schenectady County, New York)
Nisqually Power Substation (Pierce County, Washington)
Nisqually School (Thurston County, Washington)
Nissen Building (Forsyth County, North Carolina)
Nissly Swiss Chocolate Company (Lancaster County, Pennsylvania)
Nissly--Stauffer Tobacco Warehouses (Lancaster County, Pennsylvania)
Nitta Yuma Historic District (Jefferson County, Kentucky)
Nixon Homestead (Chautauqua County, New York)
No. 12 School (Crawford County, Arkansas)
No. 206 Hall of Tell City Lodge IOOF (Perry County, Indiana)
No. 4 Engine House (Racine County, Wisconsin)
No. 4 Schoolhouse (Worcester County, Massachusetts)
No. 8 Thomas Street Building (New York County, New York)
Noah and Hannah Hadley Kellum House (Hendricks County, Indiana)
Noah Bryan Store (Searcy County, Arkansas)
Noah Edward Edgerton House (Johnston County, North Carolina)
Noah McCarn House (Stone County, Arkansas)
Noah Moore House (Clarke County, Mississippi)
Noah Odell House (Adams County, Iowa)
Noah P. Ward House (Douglas County, Minnesota)
Noah Snyder Farm (Grant County, West Virginia)
Nob Hill Historic District (Latah County, Idaho)
Nobility Hill Historic District (Middlesex County, Massachusetts)
Noble Block (Kennebec County, Maine)
Noble Cottage (Calhoun County, Alabama)
Noble Hall (Lee County, Alabama)
A historic Greek Revival style plantation house in Auburn, Alabama.
Noble Hill School (Bartow County, Georgia)
Noble Horse Barn (Owyhee County, Idaho)
Noble Hotel (Blaine County, Oklahoma)
Noble House (Litchfield County, Connecticut)
Noble Judah Estate (Lake County, Illinois)
Noble, J. L. School (Blair County, Pennsylvania)
Noble--McCaa--Butler House (Calhoun County, Alabama)
Noble-Kendall House (Monroe County, Iowa)
Noble-Seymour-Crippen House (Cook County, Illinois)
Noblesville Milling Company Mill (Hamilton County, Indiana)
Former industrial building now converted to residential housing
Noblit-Lytle House (Giles County, Tennessee)
NOBSKA (steamship) (Baltimore, Maryland)
Nock House (Jefferson County, Kentucky)
NODDY (log canoe) (Talbot County, Maryland)
Noel Hotel (Davidson County, Tennessee)
Noel Owen Neal House (Howard County, Arkansas)
Noftzger-Adams House (Wabash County, Indiana)
Nogales Steam Laundry Building (Santa Cruz County, Arizona)
Nokesville Truss Bridge (Prince William County, Virginia)
Nokomis and Navarre Apartment Buildings (Sedgwick County, Kansas)
Nokomis Knoll Residential Historic District (Hennepin County, Minnesota)
Nola Kitterman House (Carter County, Missouri)
Nolan House (San Miguel County, New Mexico)
Nolin Banking Company (Hardin County, Kentucky)
Nolte--Rooney House (Brewster County, Texas)
Nolynn Baptist Church (Larue County, Kentucky)
Nonnenmacher Bakery (Calhoun County, Alabama)
Nook, The (York County, Pennsylvania)
Nooksack Falls Hydroelectric Power Plant (Whatcom County, Washington)
Noonan--Norblad House (Clatsop County, Oregon)
Nooter Corporation Building (St. Louis, Missouri)
Nopkins Mill Historic District (Providence County, Rhode Island)
Nora Free Christian Church (Brown County, Minnesota)
Nora Store (Union County, South Dakota)
Norad Mill (Berkshire County, Massachusetts)
Norburn Terrace (Wake County, North Carolina)