Justin Weed House (Kenosha County, Wisconsin)
Justina Ford House (Denver County, Colorado)
Justis--Jones House (New Castle County, Delaware)
Justus L. Cozad House (Cuyahoga County, Ohio)
Justus Ramsey Stone House (Ramsey County, Minnesota)
Kabelmacher House (Comal County, Texas)
Kaehler-Rector House (Merced County, California)
Kahn--Jennings House (Pulaski County, Arkansas)
Kalaoa Permanent House Site 10,205 (Hawaii County, Hawaii)
Kaler House (Maricopa County, Arizona)
Kanab (Union Pacific) Lodge (Kane County, Utah)
Kanapaha (Alachua County, Florida)
Kanawha (Page County, Virginia)
Kane, John Innes, Cottage (Hancock County, Maine)
Kane, John P., Mansion (Suffolk County, New York)
Kane, John, House (Dutchess County, New York)
Kannally Ranch (Pinal County, Arizona)
Karcher-Sahr House (Hughes County, South Dakota)
Karel Jonas House (Racine County, Wisconsin)
Karl Edward Bracht House (Sebastian County, Arkansas)
Karl Mathie House (Marathon County, Wisconsin)
Karnofsky Tailor Shop--House (Orleans Parish, Louisiana)
Karpen House (Suffolk County, New York)
Karr House (Madison County, Kentucky)
Karsner-Carroll House (Lauderdale County, Alabama)
Kate Chopin House (St. Louis, Missouri)
Kate Chopin House (Natchitoches Parish, Louisiana)
Kate Innes House (Bear Lake County, Idaho)
Kate Turner House (Columbia County, Arkansas)
Kateland (Grant Parish, Louisiana)
Katherine Anne Porter House (Hays County, Texas)
Katherine Cooper House (Tuscarawas County, Ohio)
Katie Plantation House (St. Martin Parish, Louisiana)
Kattenbracher House (Scott County, Iowa)
Katzenstein House (Jefferson County, Arkansas)
Kavanaugh, Gov. Edward, House (Lincoln County, Maine)
Kay-El-Bar Ranch (Yavapai County, Arizona)
Kearfott-Bane House (Berkeley County, West Virginia)
Keating House (Queen Anne's County, Maryland)
Keck Homestead (Rio Grande County, Colorado)
Kee House (Santa Clara County, California)
Keebler--Stone House (Lyon County, Kansas)
Keedy House (Washington County, Maryland)
Keefe Row (Laramie County, Wyoming)
Keegan House (Natchitoches Parish, Louisiana)
Keeler Tavern (Fairfield County, Connecticut)
Keeling House (Virginia Beach, Virginia)
Keene, Walter, House (Middlesex County, Massachusetts)
Keeney House (Genesee County, New York)
Keese House (Franklin County, Georgia)
Keesee House (Phillips County, Arkansas)
Keet-McElhany House (Greene County, Missouri)
Kefauver House (Benton County, Arkansas)
Kefauver Place (Washington County, Maryland)
Kehl Winery (Dane County, Wisconsin)
Keister House (Montgomery County, Virginia)
Keith Cabin (Holmes County, Florida)
Keith House (Pulaski County, Arkansas)
Keith House (Travis County, Texas)
Keith House--Washington's Headquarters (Bucks County, Pennsylvania)
Keithfield Plantation (Georgetown County, South Carolina)
Kell House (Madison Parish, Louisiana)
Kellenberger Estate (Guilford County, North Carolina)
Keller House (Stevens County, Washington)
Keller House (Harris County, Texas)
Keller House and Derick (Bear Lake County, Idaho)
Keller--Grunder House (DeWitt County, Texas)
Kellerman Log Cabin (Livingston County, New York)
On the grounds of Ricky Greene Memorial Park
Kelley and Browne Flats (Buchanan County, Missouri)
Kelley House (Dubuque County, Iowa)
Kelley House (Hamilton County, Tennessee)
Kelley Mansion (Silver Bow County, Montana)
Neo-Classical (Georgian) style mansion built in 1906
Kelley, Mercelia Evelyn Eldridge, House (Barnstable County, Massachusetts)
Kellogg House, The (Orange County, New York)
Kellogg, Elijah, House (Cumberland County, Maine)
Kellogg, Gen. Martin, House (Hartford County, Connecticut)
Kellogg, J. Francis, House (Livingston County, New York)
Kellogg--Warden House (Washtenaw County, Michigan)
Kellow House (Howard County, Iowa)
Kellum House (Pendleton County, Kentucky)
Kelly Family Home (Montgomery County, Ohio)
Kelly House (Onondaga County, New York)
Kelly, Col. William, House (Erie County, New York)
Kelsey, Enoch, House (Hartford County, Connecticut)
Kelsey, Ezekiel, House (Hartford County, Connecticut)
Keltner House (Green County, Kentucky)
Keltys Worker Housing (Angelina County, Texas)
Kemmerer House (Lehigh County, Pennsylvania)
Kemp B. Johnson House (Wake County, North Carolina)
Kemp Place (Middlesex County, Massachusetts)
Kemp--Shepard House (Franklin County, Vermont)
Kenaston House (Riverside County, California)
Kendall Cottage (Cheshire County, New Hampshire)
Kendall Manor (Barbour County, Alabama)
Kendall, Deacon Thomas, House (Middlesex County, Massachusetts)
Kendall--Blankenburg House (Fond du Lac County, Wisconsin)
Second Empire Style house with additional details executed in the Stick Style
Kenderdine Mill Complex (Montgomery County, Pennsylvania)
Kendrick, John, House (New Haven County, Connecticut)
Kendrick--Croake House (Washington County, Kentucky)
Kendrick--Tucker--Barber House (Washington County, Kentucky)
Kendrick-Matheson House (Hart County, Georgia)
Kenilworth Plantation House (St. Bernard Parish, Louisiana)
Kenmil Place (McCracken County, Kentucky)
Kenmore (Fredericksburg, Virginia)
Kenmore (Spotsylvania County, Virginia)
Kenmure (Norfolk, Virginia)
Kennan, A. P. W., House (Suffolk County, New York)
Kennard House (Gonzales County, Texas)
Kennedy House (Henry County, Alabama)
Kennedy Mansion (Montgomery County, Pennsylvania)
Kennedy Mansion (Okmulgee County, Oklahoma)
Kennedy Stone House (Guernsey County, Ohio)
Kennedy, A. C.--Runnells House (Angelina County, Texas)
Kennedy, John Fitzgerald, National Historic Site (Norfolk County, Massachusetts)
Kennedy, R. A.--J. M. Lowrey House (Angelina County, Texas)
Kennersley (Queen Anne's County, Maryland)
Kenneth and Edna Brooks House (Spokane County, Washington)
Kenneth Gatchell House (Lowndes County, Mississippi)
Kenneth L. Howard House (Harnett County, North Carolina)
Kenneth McKinnon House (Robeson County, North Carolina)
Kenneth R. Scurr House (Hughes County, South Dakota)
Kenney's Crossing (Kenton County, Kentucky)
Kenney, David, House (Middlesex County, Massachusetts)
Kennicott Cabin (Custer County, Colorado)
Kennicott's Grove (Cook County, Illinois)
Kenridge (Albemarle County, Virginia)
Kensely, J., House (Worcester County, Massachusetts)
Kensington Plantation House (Richland County, South Carolina)
Kent House and Hitchens House (Warren County, Indiana)
Kent Plantation House (Rapides Parish, Louisiana)
Kent, Charles House (Portage County, Ohio)
Kent-Delord House (Clinton County, New York)
Kent-Valentine House (Richmond, Virginia)
Kentucky Governor's Mansion (Franklin County, Kentucky)
Kenwood (Cabell County, West Virginia)
Kenyon Residences (Otsego County, New York)
Kenyon, William, House (Ulster County, New York)
Ker--Feal (Chester County, Pennsylvania)
Kerby House (Hale County, Alabama)
A historic Greek Revival plantation house and historic district in Prairieville, Alabama.
Kerfoot House (Pottawatomie County, Oklahoma)
Kern's Fort (Monongalia County, West Virginia)
Kerner House (Jefferson Parish, Louisiana)
Kernodle--Pickett House (Alamance County, North Carolina)
Kerr House (Denver County, Colorado)
Kerr House (Flathead County, Montana)
Kerr Place (Accomack County, Virginia)
Kerr--Booth House (White County, Arkansas)
Kerr--Patton House (Alamance County, North Carolina)
Kersey C. Eldridge House (Polk County, Oregon)
Kessler, William F., House (Middlesex County, Massachusetts)
Kesterson-Watkins House (Claiborne County, Tennessee)
Kestner Homestead (Grays Harbor County, Washington)
Keswick (Unspecified county, Virginia)
Keswick Country Club (Albemarle County, Virginia)
Ketchin Building (Fairfield County, South Carolina)
Originally a girls school, now the home of the Fairfield County Museum
Ketchum, B., House (Suffolk County, New York)
Kettle-Jens House (Mesa County, Colorado)
Key--Mize House (Ouachita Parish, Louisiana)
Keyes Bungalow (Los Angeles County, California)
Keyes, Amos, House (Middlesex County, Massachusetts)
Keyhole House (Adams County, Mississippi)
Keys Desert Queen Ranch (San Bernardino County, California)
Keyser--Cullen House (Salt Lake County, Utah)
Kibbee--Nepstad House (Davison County, South Dakota)
Kidd House (Franklin County, Georgia)
Kidd-Davis House (Lincoln Parish, Louisiana)
Kidd-Robertson House (Troup County, Georgia)
Kidder-Sargent-McCrehan House (Middlesex County, Massachusetts)
Kiels-McNab House (Barbour County, Alabama)
Kilauea Plantation Manager's House (Kauai County, Hawaii)
Kilbourn--Leak House (Davis County, Utah)
Kilby House (Calhoun County, Alabama)
Kildare-McCormick House (Madison County, Alabama)
Mansion VERY closed to the public
Kilkenny (Bryan County, Georgia)
Kilkoff House (Volusia County, Florida)
Killarney (Concordia Parish, Louisiana)
Killcreas House (Baldwin County, Alabama)
Killgore House (Claiborne Parish, Louisiana)
Killicut--Way House (Hillsborough County, New Hampshire)
Kilsyth Terrace (Norfolk County, Massachusetts)
Kimball House (Yell County, Arkansas)
Kimball House (Champaign County, Ohio)
Kimball, C. Henry, House (Suffolk County, Massachusetts)
Kimball, Solomon, House (Essex County, Massachusetts)
Kimball, W.W., House (Middlesex County, Massachusetts)
Kimball-Stevenson House (Scott County, Iowa)
Kimberly Crest (San Bernardino County, California)
Kimberly Mansion (Hartford County, Connecticut)
Kimbrough-Hehr House (Harrison County, Kentucky)
Kimrey-Haworth House (Guilford County, North Carolina)
Kinard House (Greenwood County, South Carolina)
Historic home in Ninety-Six, SC
Kinbawn (Chester County, Pennsylvania)
Kincaid House (Claiborne County, Tennessee)
Kincaid-Anderson House (Fairfield County, South Carolina)
Revolutionary War era home near Monticello & Jenkinsville, SC