Sprague, Elias, House (Tolland County, Connecticut)
Sprague, Gov. William, Mansion (Providence County, Rhode Island)
Sprague--Deaver House (Knox County, Ohio)
Sprague-Marshall-Bowie House (Multnomah County, Oregon)
Spratt--Allen--Aull House (Lafayette County, Missouri)
Sprechers Mill House (Washington County, Maryland)
Spring Brook House (Morris County, New Jersey)
Spring Dale (Pulaski County, Virginia)
Spring Garden-John Leavell (Garrard County, Kentucky)
Spring Green (Hanover County, Virginia)
Spring Grove (Westmoreland County, Virginia)
Spring Grove Farm and Distillery (Franklin County, Pennsylvania)
Spring Grove Forge Mansion (Lancaster County, Pennsylvania)
Spring Hill (New Kent County, Virginia)
Spring Hill (Stark County, Ohio)
Spring Hill (Oldham County, Kentucky)
Spring Hill (Wake County, North Carolina)
Spring Hill (Albemarle County, Virginia)
Spring Hill (Thomas Lillard House) (Boyle County, Kentucky)
Spring Hill Ranch (Chase County, Kansas)
Spring Park Inn (Greenville County, South Carolina)
Spring Place (Sullivan County, Tennessee)
Spring Station (Jefferson County, Kentucky)
Spring Villa (Lee County, Alabama)
A historic Carpenter Gothic plantation house on the outskirts of Opelika, Alabama.
Springbank (New London County, Connecticut)
Springbank (Nassau County, New York)
Springdale (Goochland County, Virginia)
Springdale (Rockbridge County, Virginia)
Springdale (Frederick County, Virginia)
Springdale (Seneca County, Ohio)
Springdale Mill Complex (Frederick County, Virginia)
Springer--Cranston House (New Castle County, Delaware)
Springfield (Hanover County, Virginia)
Springfield Brick House (Hampshire County, West Virginia)
Springfield Plantation (Jefferson County, Mississippi)
Springfield Plantation House (York County, South Carolina)
Springhill (Clark County, Kentucky)
Springland (Washington, District of Columbia)
Springside Park (Berkshire County, Massachusetts)
Springstead (Iron County, Wisconsin)
Springwood Manor (Albany County, New York)
Sproul Homestead (Lincoln County, Maine)
Spur House (Cheshire County, New Hampshire)
Spurgeon House (Davidson County, North Carolina)
Spurr, Eliphalet, House (Norfolk County, Massachusetts)
Spurr, John, House (Worcester County, Massachusetts)
Spye Park (Charles County, Maryland)
Squaw Peak Inn (Maricopa County, Arizona)
Squire Tarbox House (Lincoln County, Maine)
Squire Turner House (Madison County, Kentucky)
Squire's Rest (Shelby County, Tennessee)
Squires-Tourtellot House (Boulder County, Colorado)
Squirrels, The (Orange County, New York)
Sr. Trujillo Fernando, House (Rio Arriba County, New Mexico)
Sroufe House (Mason County, Kentucky)
St. Catharine (Charles County, Maryland)
St. Elmo (Muscogee County, Georgia)
St. Emma (Ascension Parish, Louisiana)
St. Francois County Jail and Sheriff's Residence (St. Francois County, Missouri)
St. Gaudens, Louis, House and Studio (Sullivan County, New Hampshire)
St. George Plantation House (Terrebonne Parish, Louisiana)
St. Giles (Wicomico County, Maryland)
St. John the Baptist Roman Catholic Church (Campbell County, Kentucky)
St. John's Parsonage (Union County, New Jersey)
St. Joseph Plantation House (St. James Parish, Louisiana)
St. Julien (Spotsylvania County, Virginia)
St. Julien House (Lafayette Parish, Louisiana)
St. Julien Plantation (Orangeburg County, South Carolina)
St. Louis Plantation (Iberville Parish, Louisiana)
St. Luke's Hospital (Scott County, Iowa)
St. Mary's By the River (Jackson County, Mississippi)
St. Mary's Rectory (Johnson County, Iowa)
St. Maurice Plantation (Winn Parish, Louisiana)
St. Paul's Bottoms (Caddo Parish, Louisiana)
St. Richard's Manor (St. Mary's County, Maryland)
St. Scholastica Rectory (Sanborn County, South Dakota)
St. Thomas Manor (Charles County, Maryland)
Staats House (Somerset County, New Jersey)
Staatz House (Dickinson County, Kansas)
Stacy G. Carkhuff House (Summit County, Ohio)
Stacy, George O., House (Essex County, Massachusetts)
Stadtmuller House (San Francisco County, California)
Stafford Cabin (Cochise County, Arizona)
Stafford House (Huron County, Michigan)
Stage Coach Inn (Washington County, Texas)
Stagecoach Inn (Utah County, Utah)
Stagecoach Inn (Grundy County, Tennessee)
Stagecoach Inn (Columbiana County, Ohio)
Stagecoach Inn
Stager-Beckwith House (Cuyahoga County, Ohio)
Stagg House (Alamance County, North Carolina)
Stagville (Durham County, North Carolina)
Stahl--Hoagland House (Stark County, Ohio)
Stallbohm Barn--Kaske House (Lake County, Indiana)
Stallings-Carpenter House (Johnston County, North Carolina)
Stambaugh House (Johnson County, Kentucky)
Stanbury Cottage (St. Johns County, Florida)
Standish, Alexander, House (Plymouth County, Massachusetts)
Standish, James H., House (Norfolk County, Massachusetts)
Standley House (Angelina County, Texas)
Standrod House (Bannock County, Idaho)
Stanford-Lathrop House (Sacramento County, California)
Stanley C. E. Smith House (Multnomah County, Oregon)
Stanley F. Tebbs House (Clark County, Kentucky)
Stanley House (Livingston County, New York)
Stanley, Leonard W., House (Middlesex County, Massachusetts)
Stanley--Woodruff--Allen House (Hartford County, Connecticut)
Stanley-Whitman House (Hartford County, Connecticut)
Stansbury House (Butte County, California)
Stanton, Jacob, House (Middlesex County, Massachusetts)
Stanton, Joseph, House (Washington County, Rhode Island)
Stanton, Robert, House (New London County, Connecticut)
Stanwood Homestead (Hancock County, Maine)
Stapleford--Hover--Whitney House (Fulton County, Illinois)
Staples, Sylvanus N., House (Bristol County, Massachusetts)
Stapp Homeplace (Garrard County, Kentucky)
Star Journal Model Home (Pueblo County, Colorado)
Stark House (Hardin County, Kentucky)
Stark, Gen. George, House (Hillsborough County, New Hampshire)
Stark, Gen. John, House (Hillsborough County, New Hampshire)
Stark, Robert M., House (Middlesex County, Massachusetts)
Stark-Clint House (Rock County, Wisconsin)
Starke Meyer House (Milwaukee County, Wisconsin)
Historically significant Ernest Flagg designed stone masonry house
Starl House (New Castle County, Delaware)
Starr House (New Castle County, Delaware)
Starr House (Harrison County, Texas)
Starr Manor (Garfield County, Colorado)
Starr Ranch (Garfield County, Utah)
Starr-Truscott House (Erie County, Ohio)
Starrett House (Jefferson County, Washington)
Starvation Point (St. Landry Parish, Louisiana)
State Hospital Gatehouse (Kalamazoo County, Michigan)
State Street Houses (Kings County, New York)
Stately Oaks (Clayton County, Georgia)
Statesview (Knox County, Tennessee)
Stauduhar House (Rock Island County, Illinois)
Staunton Hill (Charlotte County, Virginia)
Stavely-Kunz-Johnson House (Travis County, Texas)
Stay House (Montgomery County, Alabama)
Stayner--Steed House (Davis County, Utah)
Stealey-Goff-Vance House (Harrison County, West Virginia)
Steamboat Dock Site (Middlesex County, Connecticut)
Steamboat House (Yell County, Arkansas)
Steamboat House (Iberia Parish, Louisiana)
Stearns House (Denver County, Colorado)
Stearns, Amos, House (Middlesex County, Massachusetts)
Stearns-Wadsworth House (Kane County, Illinois)
Steedman Estate (Santa Barbara County, California)
Steedman--Ray House (Washington, District of Columbia)
Steel-Seneker Houses (Sullivan County, Tennessee)
Steele Homestead (Sublette County, Wyoming)
Steele House (Grimes County, Texas)
Steele, Allyn, House (Hartford County, Connecticut)
Steele-Cobb House (DeKalb County, Georgia)
Steele-Fowler House (Madison County, Alabama)
Steenburg Tavern (Dutchess County, New York)
Steephill (Staunton, Virginia)
Steepletop (Columbia County, New York)
Steffens--Drewa House Complex (Galveston County, Texas)
Steger House (Madison County, Alabama)
Stein House (Clark County, Kansas)
Steinbeck-Brock House (Cape Girardeau County, Missouri)
Steindam House (Scioto County, Ohio)
Steingrube Place (Yankton County, South Dakota)
Steinway House (Queens County, New York)
Stenton (Philadelphia County, Pennsylvania)
Stephan A. Foley House (Logan County, Illinois)
Stephanie Plantation House (St. Martin Parish, Louisiana)
Stephen A. Gerrard Mansion (Hamilton County, Ohio)
Stephen and Harriet Myers House (Albany County, New York)
Stephen and Maria Graf House (Meade County, South Dakota)
Stephen and Mary Bunnell House (Utah County, Utah)
Stephen and Parthena M. Blank House (Washington County, Oregon)
Stephen B. Quillen House (Russell County, Virginia)
Stephen Ball House (Tioga County, New York)
Stephen Beech Cleveland House (Clarke County, Alabama)
A historic house in Suggsville, Alabama.
Stephen Byrd House (Cape Girardeau County, Missouri)
Stephen Cary House (Morris County, New Jersey)
Stephen Condit House (Morris County, New Jersey)
Stephen Cooke Brown House (Washington County, Kentucky)
Stephen D. Cowen House (Cobb County, Georgia)
Stephen Fowler Hale House (Greene County, Alabama)
A historic structure in Eutaw, Alabama.
Stephen Frazee House (Cuyahoga County, Ohio)
A house near the Ohio & Erie Canal.
Stephen G. Bourne House (Grayson County, Virginia)
Stephen H. Wilkes House (Jefferson Davis County, Mississippi)
Stephen Harnsberger House (Rockingham County, Virginia)
Stephen Hogeboom House (Columbia County, New York)
Stephen Klein House (Comal County, Texas)
Stephen L. Goodman House (Warren County, New York)
Stephen Meredith House (Chester County, Pennsylvania)
Stephen Miller House (Columbia County, New York)
Stephen Murphy House (Madison County, Kentucky)
Stephen Pangburn House (Albany County, New York)