Built during 1720s

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1724 Chester Courthouse (Delaware County, Pennsylvania)
Aaron Winters House (Bergen County, New Jersey)
Abel and Mary Nicholson House (Salem County, New Jersey)
Adams--Clarke House (Essex County, Massachusetts)
Albertus Van Loon House (Greene County, New York)
Almshouse Farm at Machipongo (Northampton County, Virginia)
Amelia Cottage Museum (Suffolk County, New York)
Andries Thomas Van Buskirk House (Bergen County, New Jersey)
Anne Arundel County Free School (Anne Arundel County, Maryland)
Arnold S. Naudain House (New Castle County, Delaware)
Baker, Nathaniel, House (Barnstable County, Massachusetts)
Barns-Brinton House (Chester County, Pennsylvania)
Barnsboro Hotel (Gloucester County, New Jersey)
Barrell Homestead (York County, Maine)
Benjamin Hait House (Fairfield County, Connecticut)
Benjamin Holmes House (Salem County, New Jersey)
Berkeley (Charles City County, Virginia)
Boonecroft (Berks County, Pennsylvania)
Brattle, William, House (Middlesex County, Massachusetts)
Bray, Thomas, Farm (Barnstable County, Massachusetts)
Brewer, Moses, House (Middlesex County, Massachusetts)
Brick House Ruin (Charleston County, South Carolina)
Brinkerhoff-Demarest House (Bergen County, New Jersey)
Brinton's Mill (Chester County, Pennsylvania)
Brookfield Center Historic District (Fairfield County, Connecticut)
Brown, Austin, House (Essex County, Massachusetts)
Brykill (Ulster County, New York)
Buckingham House (New Haven County, Connecticut)
Bull Stone House (Orange County, New York)
Bush-Lyon Homestead (Westchester County, New York)
Caln Meeting House (Chester County, Pennsylvania)
Capt. David Judson House (Fairfield County, Connecticut)
Capt. George Dorrance House (Providence County, Rhode Island)
Capt. Josiah Cowles House (Hartford County, Connecticut)
Caroline Church and Cemetery (Suffolk County, New York)
Carpenter Homestead (Bristol County, Massachusetts)
Chamberlain-Flagg House (Worcester County, Massachusetts)
Chamberlain-Pennell House (Delaware County, Pennsylvania)
Cheshire Historic District (New Haven County, Connecticut)
Christ Church (Philadelphia County, Pennsylvania)
Christ Church (Charleston County, South Carolina)
Collins Mansion (Chester County, Pennsylvania)
Concord Friends Meetinghouse (Delaware County, Pennsylvania)
Concordville Historic District (Delaware County, Pennsylvania)
Conrad Weiser House (Berks County, Pennsylvania)
Cooch's Bridge Historic District (New Castle County, Delaware)
Cupola House (Chowan County, North Carolina)
Daddy Frye's Hill Cemetery (Essex County, Massachusetts)
Daniel Demarest House (Bergen County, New Jersey)
Daufuskie Island Historic District (Beaufort County, South Carolina)
David Ogden House (Fairfield County, Connecticut)
Dr. J. Porter House (Hartford County, Connecticut)
Dubois--Kierstede Stone House (Ulster County, New York)
Durham Mill and Furnace (Bucks County, Pennsylvania)
Dyke--Wheeler House (Essex County, Massachusetts)
East Freetown Historic District (Bristol County, Massachusetts)
East Nottingham Friends Meetinghouse (Cecil County, Maryland)
Elijah Burt House (Hampden County, Massachusetts)
Essex Institute Historic District (Essex County, Massachusetts)
First Presbyterian Church (Mercer County, New Jersey)
Fonda House (Albany County, New York)
Fort King George (McIntosh County, Georgia)
Foster, Phineas, House (Essex County, Massachusetts)
Foster, William, House (Essex County, Massachusetts)
Fredericksburg Historic District (Fredericksburg, Virginia)
Freer House (Dutchess County, New York)
French Colonial Historic District (Randolph County, Illinois)
Georgetown Historic District (Georgetown County, South Carolina)
Gilmer Building (Forsyth County, North Carolina)
Glebe House of Southwark Parish (Surry County, Virginia)
Glynrich (New Castle County, Delaware)
Goodale-Stevens Farm (York County, Maine)
Graeme Park (Montgomery County, Pennsylvania)
Green, Jonathan, House (Middlesex County, Massachusetts)
Hall, Isaac, House (Middlesex County, Massachusetts)
Hammond House (Westchester County, New York)
Hancock House (Salem County, New Jersey)
Hanover Center Historic District (Plymouth County, Massachusetts)
Hapgood House (Middlesex County, Massachusetts)
Harlan House (Chester County, Pennsylvania)
Harmony Hall (Prince George's County, Maryland)
Harris Farm (Essex County, Massachusetts)
Haskell House (Orange County, New York)
Hayward's Lott (Somerset County, Maryland)
Hazen--Spiller House (Essex County, Massachusetts)
Height of Land (Cook County, Minnesota)
Hendrick I. Lott House (Kings County, New York)
Henry Antes House (Montgomery County, Pennsylvania)
Henry Melchoir Muhlenberg House (Montgomery County, Pennsylvania)
Hesse (Mathews County, Virginia)
Hill, Abraham, House (Middlesex County, Massachusetts)
Hill, Deacon Samuel, House (Middlesex County, Massachusetts)
Hobbs, Isaac, House (Middlesex County, Massachusetts)
Hooper, Robert "King", Mansion (Essex County, Massachusetts)
Hudson House (Worcester County, Massachusetts)
Israel Arnold House (Providence County, Rhode Island)
Jackson Square (Orleans Parish, Louisiana)
Jacob Purdy House (Westchester County, New York)
Jacobus House (Essex County, New Jersey)
James Hazelton House (Middlesex County, Connecticut)
James, Benjamin, House (Rockingham County, New Hampshire)
Jan Van Hoesen House (Columbia County, New York)
Jaquith, Abraham, House (Middlesex County, Massachusetts)
Jared Eliot House (New Haven County, Connecticut)
Johannes Decker Farm (Ulster County, New York)
John Bartram House (Philadelphia County, Pennsylvania)
John Cady House (Tolland County, Connecticut)
John Meyerhoff House (Bergen County, New Jersey)
Johnson, Capt. Timothy, House (Essex County, Massachusetts)
Jonathan Root House (Hartford County, Connecticut)
Jonathan Young Windmill (Barnstable County, Massachusetts)
King William County Courthouse (King William County, Virginia)
King's Field House (Hartford County, Connecticut)
Knapp, Job, House (Bristol County, Massachusetts)
Kreuzer-Pelton House (Richmond County, New York)
Lent Homestead and Cemetery (Queens County, New York)
Little Rock, The (Pulaski County, Arkansas)
Locke, Capt. Benjamin, House (Middlesex County, Massachusetts)
Logee House (Providence County, Rhode Island)
Maj. John Burrowes Mansion (Monmouth County, New Jersey)
Make Peace (Somerset County, Maryland)
Marshall Hall (Charles County, Maryland)
Martin Berry House (Morris County, New Jersey)
Martin House and Farm (Bristol County, Massachusetts)
Mason House (Accomack County, Virginia)
Maston House (Sussex County, Delaware)
Matinecock Friends Meetinghouse (Nassau County, New York)
Matthew Jones House (Newport News, Virginia)
Matthias Smock House (Middlesex County, New Jersey)
Meadows, The (Somerset County, New Jersey)
Melwood Park (Prince George's County, Maryland)
Mermaid Tavern (New Castle County, Delaware)
Metlar House (Middlesex County, New Jersey)
Milestone (Norfolk County, Massachusetts)
Miller-Cory House (Union County, New Jersey)
Nathaniel Holcomb III, House (Hartford County, Connecticut)
New Town Cemetery (Sagadahoc County, Maine)
Nopkins Mill Historic District (Providence County, Rhode Island)
Northbank (King and Queen County, Virginia)
Oakes, Edward, House (Middlesex County, Massachusetts)
Octonia Stone (Greene County, Virginia)
Old Bloomfield (Talbot County, Maryland)
Old Burying Ground (Carteret County, North Carolina)
Old Burying Ground (Littleton) (Middlesex County, Massachusetts)
Old Burying Ground (Stoneham) (Middlesex County, Massachusetts)
Old Custom House (York County, Virginia)
Old Dutch Church Parsonage (Ulster County, New York)
Old North Church (Suffolk County, Massachusetts)
Old South Meetinghouse (Suffolk County, Massachusetts)
Old Spanish Fort (Jackson County, Mississippi)
Old Town House (Essex County, Massachusetts)
Old York Gaol (York County, Maine)
Olney (Harford County, Maryland)
Orem's Delight (Talbot County, Maryland)
Osgood, Col. John, House (Essex County, Massachusetts)
Otwell (Talbot County, Maryland)
Patch, Emeline, House (Essex County, Massachusetts)
Peachfield (Burlington County, New Jersey)
Peter Garretson House (Bergen County, New Jersey)
Pomona Hall (Camden County, New Jersey)
Portland Manor (Anne Arundel County, Maryland)
Pottstown Roller Mill (Montgomery County, Pennsylvania)
Presbury Meetinghouse (Harford County, Maryland)
Putnam, Rev. Daniel, House (Middlesex County, Massachusetts)
Quaker Farms Historic District (New Haven County, Connecticut)
Rex House (Lebanon County, Pennsylvania)
Roaring Spring (Gloucester County, Virginia)
Salisbury Plantation (Somerset County, Maryland)
San Pedro Springs Park (Bexar County, Texas)
Sappony Church (Dinwiddie County, Virginia)
Sarah Whitman Hooker House (Hartford County, Connecticut)
Seven Springs (King William County, Virginia)
Sheldon House (Providence County, Rhode Island)
Shrewsbury Historic District (Worcester County, Massachusetts)
Silas Casey Farm (Washington County, Rhode Island)
Simon Meredith House (Chester County, Pennsylvania)
Slash Church (Hanover County, Virginia)
Sloop Point (Pender County, North Carolina)
Smith House (Essex County, Massachusetts)
Somers Mansion (Atlantic County, New Jersey)
Sotterley (St. Mary's County, Maryland)
Southern Albemarle Rural Historic District (Albemarle County, Virginia)
St. John's Church (Hampton, Virginia)
Stenton (Philadelphia County, Pennsylvania)
Sterling Hill Historic District (Windham County, Connecticut)
Stone, Joseph, House (Worcester County, Massachusetts)
Stratford Hall (Westmoreland County, Virginia)
Strode's Mill (Chester County, Pennsylvania)
Stroudwater Historic District (Cumberland County, Maine)
Swan, Asie, House (Essex County, Massachusetts)
Sweet Hall (King William County, Virginia)
Thayer, Gen. Sylvanus, House (Norfolk County, Massachusetts)
Thomas Dodge Homestead (Nassau County, New York)
Thomas Harrison House (New Haven County, Connecticut)
Thomas Jansen House (Ulster County, New York)