Built during 1830s

William Bates House (Greenville County, South Carolina)
William Beers House (Richmond, Virginia)
William Berly House (Lexington County, South Carolina)
William Burch House (Knox County, Ohio)
William Carter House (Surry County, North Carolina)
William Covert Cobblestone Farmhouse (Monroe County, New York)
William D. Phillips Log Cabin (Meriwether County, Georgia)
William Deaver House (Transylvania County, North Carolina)
William Dillard Homestead (Stone County, Arkansas)
William Dunlap Simpson House (Laurens County, South Carolina)
William E. Ervin House (Lowndes County, Mississippi)
William Elliott White House (York County, South Carolina)
William Everhart Buildings (Chester County, Pennsylvania)
William Ford House (Edmonson County, Kentucky)
William Gibbons Stable and Farm (Morris County, New Jersey)
William H. McGuffey House (Butler County, Ohio)
William Hagler House (Caldwell County, North Carolina)
William Hoster House (Seneca County, New York)
William Knapp House (Cuyahoga County, Ohio)
William Koger House (Lauderdale County, Alabama)
William Luelleman House (Auglaize County, Ohio)
William M. Miller House (Madison County, Kentucky)
William Mitchell House (Hertford County, North Carolina)
William P. Thompson House (Grundy County, Missouri)
William R. Wing Farm Complex (Schenectady County, New York)
William S. Edsall House (Allen County, Indiana)
William Scott House (Highland County, Ohio)
William Skees House (Hardin County, Kentucky)
William Smith Ingham House (Cayuga County, New York)
William Soaper Farm (Henderson County, Kentucky)
William Washington Seay House (Wilson County, Tennessee)
William Watkins House (Maury County, Tennessee)
William Winston House (Colbert County, Alabama)
William Wombough House (Steuben County, New York)
William Wright Faison House (Duplin County, North Carolina)
Greek revival style, antetbellum plantation home
Williams Farm (Dutchess County, New York)
Williams, Francis D., House (Bristol County, Massachusetts)
Williams, Micah, House (Middlesex County, Massachusetts)
Williams-Powell House (Robeson County, North Carolina)
Williamsburg Historic District (Blair County, Pennsylvania)
Willis, Stillman, House (Middlesex County, Massachusetts)
Williston Congregational Church (Chittenden County, Vermont)
Williston Mill Historic District (Caroline County, Maryland)
Willow Lane Farm (Fairfield County, Ohio)
Willowmere (Nassau County, New York)
Willsboro Congregational Church (Essex County, New York)
Wilson Eyre House (Philadelphia County, Pennsylvania)
Wilson Warehouse (Botetourt County, Virginia)
Wilson's Inheritance (Carroll County, Maryland)
Wilson's Mills Settlement District (Cuyahoga County, Ohio)
Wilson-Clements House (Tuscaloosa County, Alabama)
Winchester Historic District (Scott County, Illinois)
Winchester House (Adams County, Mississippi)
Windham Town House (Cumberland County, Maine)
Windsor House (Windsor County, Vermont)
Windsor Mills Christ Church Episcopal (Ashtabula County, Ohio)
Winedale Inn Complex (Fayette County, Texas)
Winooski Falls Mill District (Chittenden County, Vermont)
Winston Place (De Kalb County, Alabama)
Winterport Congregational Church (Waldo County, Maine)
Winterthur Museum and Gardens (New Castle County, Delaware)
Wirick-Simmons House (Jefferson County, Florida)
Wisconsin Heights Battlefield (Dane County, Wisconsin)
Withers-Chapman House (Madison County, Alabama)
Witt--Champe--Myers House (Wayne County, Indiana)
Wood Avenue Historic District (Lauderdale County, Alabama)
Wood Lawn (Middlesex County, New Jersey)
Woodard Family Rural Historic District (Wilson County, North Carolina)
Woodbourne Reformed Church Complex (Sullivan County, New York)
Woodbridge Farmstead (Hartford County, Connecticut)
Woodbury (Jefferson County, West Virginia)
Woodland Plantation (Jefferson County, Mississippi)
Woodlands (Bamberg County, South Carolina)
Woodman Road Historic District (Rockingham County, New Hampshire)
Woodridge (Ohio County, West Virginia)
Woodruff House (Orange County, New York)
Woods-Meade House (Franklin County, Virginia)
Woodside (Caswell County, North Carolina)
Woodward, Ashbel, House (New London County, Connecticut)
Woolwich Town House (Sagadahoc County, Maine)
Worsley-Burnette House (Edgecombe County, North Carolina)
Wright, Reuben, House (Chautauqua County, New York)
Wyatt, Samuel, House (Strafford County, New Hampshire)
Wynn House (Muscogee County, Georgia)
Wynnton Village Historic District (Muscogee County, Georgia)
Wyoming Monument (Luzerne County, Pennsylvania)
Yager House (Jefferson County, Kentucky)
Yanceyville Historic District (Caswell County, North Carolina)
Yardley Historic District (Bucks County, Pennsylvania)
Yates County Courthouse Park District (Yates County, New York)
Yatesville Methodist Church (Yates County, New York)
Young Place (Abbeville County, South Carolina)
Historic farm home in Due West, SC
Young--Yentes--Mattern Farm (Huntington County, Indiana)
Zachariah Riney House (Hardin County, Kentucky)
Zachry-Kingston House (Morgan County, Georgia)
Zephnia Comstock Farmhouse (Madison County, New York)
Zion Meetinghouse and School (Adair County, Kentucky)
Zottman House (Scioto County, Ohio)