Commercial building

Kahl Building (Scott County, Iowa)
Kahlert Mercantile Store (Todd County, Minnesota)
Kahn's Department Store (Alameda County, California)
Kaiser Lumber Company Office (Eau Claire County, Wisconsin)
Kaiser's (Racine County, Wisconsin)
Art Deco styled, Terra Cotta tiled façade retail store.
Kaiser's Ice Cream Parlour (Oklahoma County, Oklahoma)
Kaleva Temple (Houghton County, Michigan)
Kalispell Monumental Company (Flathead County, Montana)
Kam Wah Chung Company Building (Grant County, Oregon)
Kamp Store (Calhoun County, Illinois)
Kanehoe Ranch Building (Honolulu County, Hawaii)
Kansas City Live Stock Exchange (Jackson County, Missouri)
Kansas City Southern Railway Building (Jackson County, Missouri)
Kansas City Title and Trust Building (Jackson County, Missouri)
Kappy's Submarine Sandwiches (Orange County, Florida)
Karcher Block (Hughes County, South Dakota)
Karolcik Building (Fayette County, Pennsylvania)
Karrick Block (Salt Lake County, Utah)
Kathy's Diner (Hampshire County, Massachusetts)
Closed since 2013. Interior gutted.
Kauffman House (Grand County, Colorado)
Kaufmann's Department Store Warehouse (Allegheny County, Pennsylvania)
Kavanaugh and Shea Building (Woods County, Oklahoma)
Keachi Store (De Soto Parish, Louisiana)
Kearns Building (Salt Lake County, Utah)
Keef--Filley Building (Victoria County, Texas)
Keeline Building (Douglas County, Nebraska)
Kegel's Inn Restaurant (Milwaukee County, Wisconsin)
Old English-style, Tudor Revival edifice which is sheathed with Lannon stone
Keith-O'Brien Building (Salt Lake County, Utah)
Kelley Club (Oklahoma County, Oklahoma)
Kelley--Reppert Motor Company Building (Jackson County, Missouri)
Kelly's Westport Inn (Jackson County, Missouri)
Kemp & Hebert Building (Spokane County, Washington)
Kendall Cabinet Shop (Ozaukee County, Wisconsin)
Kennedy Bakery (Harris County, Texas)
Kennedy Building (Gallatin County, Montana)
Kennedy Building (Okmulgee County, Oklahoma)
Kentucky and Indiana Bank (Hardin County, Kentucky)
Kentucky National Bank (Jefferson County, Kentucky)
Kenwood Diner (Worcester County, Massachusetts)
Presently closed, will reopn as "Haymaker's Grille"
Kenyon's Department Store (Washington County, Rhode Island)
Keokee Store No. 1 (Lee County, Virginia)
Kerckoff Building and Annex (Los Angeles County, California)
Ket Hing Society Building (Maui County, Hawaii)
Key Block (Okmulgee County, Oklahoma)
Key West House / Butte Cash Grocery (Silver Bow County, Montana)
Three story brick commercial building built in 1885
Keystone Building (Goodhue County, Minnesota)
Keystone Building (Dauphin County, Pennsylvania)
Keystone Building (Kane County, Illinois)
Keystone Trading Company Store (Pennington County, South Dakota)
Kilbourne Commercial Building (Franklin County, Ohio)
Kimball's Store (Anchorage, Alaska)
Kincaid and Arnett Feed and Flour Building (Monongalia County, West Virginia)
Kindel Building (Los Angeles County, California)
King Records plant (Hamilton County, Ohio)
King Records was a pioneer rock & roll record company and an early home of James Brown
King Store and Homestead (Morris County, New Jersey)
King's Chef Diner (El Paso County, Colorado)
King, L. B. and Co. Building (Wayne County, Michigan)
King-Whatley Building (Lafayette County, Arkansas)
Kingman-Moore Building (Oklahoma County, Oklahoma)
Kings County Savings Bank (Kings County, New York)
Kirch/Latch Building (Winona County, Minnesota)
Kirk Johnson Building (Lancaster County, Pennsylvania)
Kirkpatrick Dental Office (Madison County, Mississippi)
Kirkwood Building (Jackson County, Missouri)
Kirschbraun and Sons Creamery, Inc. (Douglas County, Nebraska)
Kishman Fish Company Buildings (Erie County, Ohio)
Kissock Block Building (Larimer County, Colorado)
Kistler Stationery Company Building (Denver County, Colorado)
Kittredge Building (Denver County, Colorado)
Kixmiller's Store (Knox County, Indiana)
Klee Funeral Parlor (Henderson County, Kentucky)
Kliegle Garage (Deuel County, South Dakota)
Kline's Department Store (Eau Claire County, Wisconsin)
A (demolished) fine example of Commercial Period Gothic architecture from the 1920's
Klostermann Block (Cape Girardeau County, Missouri)
Knickerbocker Press Building (Westchester County, New York)
Knight Block (Utah County, Utah)
Knights of Columbus-Indiana Club (St. Joseph County, Indiana)
Knights of Pythias Building (Maricopa County, Arizona)
Knights of Pythias Lodge (St. Joseph County, Indiana)
Kniseley & Long Building (McIntosh County, Oklahoma)
Knowles Grain Elevator (Beaver County, Oklahoma)
Knowlton, Jabez, Store (Penobscot County, Maine)
Knox Building (East Baton Rouge Parish, Louisiana)
Knox Building (New York County, New York)
Knudson Brothers Building (Box Elder County, Utah)
Koch Drug Store (Scott County, Iowa)
Kong Lung Store (Kauai County, Hawaii)
Koski Building (Coos County, Oregon)
Krause Music Store (Cook County, Illinois)
Krenz--Kerley Trading Post (Coconino County, Arizona)
Kresge Building (Kennebec County, Maine)
Kress 5 & 10 Building (Creek County, Oklahoma)
Kress Building (Harris County, Texas)
Kress Building (Boone County, Missouri)
Kress Building (Tarrant County, Texas)
Kress Building (Richland County, South Carolina)
Kress Building (Madison County, Alabama)
Art Deco Moderne Design 5˘ and 10˘ store, later an office, now housing bars
Kress Building (Lyon County, Kansas)
Kress Building (Mahoning County, Ohio)
Kress Building (Multnomah County, Oregon)
Kress Building (Garfield County, Oklahoma)
Kress Building (Okmulgee County, Oklahoma)
Kress Building (Washington County, Oklahoma)
Kroll Meat Market and Slaughterhouse (Lawrence County, South Dakota)
Kuebler-Artes Building (Vanderburgh County, Indiana)
Kuehn Blacksmith Shop-Hardware Store (Outagamie County, Wisconsin)
Retail commercial space in Kaukauna in search of a tenant
Kunkel Building (Dauphin County, Pennsylvania)
Kurtz, J., and Sons Store Building (Queens County, New York)
L. A. Larson & Co. Store (Door County, Wisconsin)
Former store now serving as a restaurant and bakery
L. B. Robb Drugstore (Hamilton County, Ohio)
L. Banks Holt House (Alamance County, North Carolina)
L. D. Giddens and Son Jewelry Store (Wayne County, North Carolina)
L. D. Miller Funeral Home (Minnehaha County, South Dakota)
L. Haas Store (White County, Illinois)
L.B. Bentley General Merchandise (Dona Ana County, New Mexico)
L.C. Adam Mercantile Building (Chautauqua County, Kansas)
L.P. Jenne Block (Orleans County, Vermont)
L.S. Ayres Annex Warehouse (Marion County, Indiana)
La Fave Block (Pitkin County, Colorado)
La Madrilena (Cameron County, Texas)
Labor Bank Building (Hudson County, New Jersey)
Laclede Building (St. Louis, Missouri)
Ladd Carriage House (Multnomah County, Oregon)
Ladora Savings Bank (Iowa County, Iowa)
Lady Washington Inn (Montgomery County, Pennsylvania)
Lafayette Hardware Store (Lafayette Parish, Louisiana)
Lafayette Lodge No. 79 (Muskingum County, Ohio)
Lafee Building (Montgomery County, Ohio)
Lagonda Club Building (Clark County, Ohio)
Lake Street Historic District (Genesee County, New York)
Lamar Building (Richmond County, Georgia)
Lamar-Blanchard House (Lincoln County, Georgia)
Lamb Building (Dane County, Wisconsin)
Lambertville House (Hunterdon County, New Jersey)
Lampert Lumber Company Line Yard (Brown County, Minnesota)
Lamy's Diner (Wayne County, Michigan)
A classic diner located within the Henry Ford Museum.
Lancaster Block (Cumberland County, Maine)
Lancaster Trust Company (Lancaster County, Pennsylvania)
Land and Loan Office Building (Kossuth County, Iowa)
Land Bank Building (Jackson County, Missouri)
Land Title Building (Philadelphia County, Pennsylvania)
Landmark Tavern (Stark County, Ohio)
Landrum's Hamburger System No. 1 (Washoe County, Nevada)
Lane Cabin (Beaver County, Oklahoma)
Langdon Filling Station (Garland County, Arkansas)
Lappin-Hayes Block (Rock County, Wisconsin)
Lariat Bar-B-Q (Yakima County, Washington)
Drive Through restaurant with vintage neon signage built in 1962
Larrabee's Brick Block (Middlesex County, Massachusetts)
LaSalle Building (St. Louis, Missouri)
Last Chance Store (Morris County, Kansas)
Latta Arcade (Mecklenburg County, North Carolina)
Lattner Auditorium Building (Linn County, Iowa)
Lauerman Brothers Department Store (Marinette County, Wisconsin)
Launching Pad Drive-In (Will County, Illinois)
Laundry Building (Pinal County, Arizona)
Law Office (Beckham County, Oklahoma)
Lawler Motor Company Building (Buchanan County, Missouri)
Lawrence County Bank Building (Lawrence County, Missouri)
Lawrence Warehouse (Sacramento County, California)
Lawyers Building (Wayne County, Michigan)
Layton Building (Marion County, Arkansas)
Leader Building (Jefferson County, Washington)
Leake-Ingham Building (Ouachita County, Arkansas)
Learner Building (Howard County, Indiana)
LeCompte Saloon (Jefferson County, Kentucky)
Ledger-Enquirer Building (Muscogee County, Georgia)
Lee's Tavern (Woodford County, Kentucky)
Lee, Higginson & Company Bank Building (New York County, New York)
Leeman Auto Company Building (Denver County, Colorado)
Leisy Brewing Company (Cuyahoga County, Ohio)
Leiter II Building (Cook County, Illinois)
LeJeune's Bakery (Iberia Parish, Louisiana)
Lemann Store (Ascension Parish, Louisiana)
Lemmon Hardware Store (Lincoln County, Idaho)
Lemuel Milk Carriage House (Kankakee County, Illinois)
Former barn now repurposed as retail space
Lenoir Cotton Mill Warehouse (Loudon County, Tennessee)
Lenoir Store (Sumter County, South Carolina)
Lenox Drive-In (Garfield County, Oklahoma)
Lentz-Carter Merchandise Store (Newton County, Missouri)
Leon's Frozen Custard (Milwaukee County, Wisconsin)
Lerch Tavern (Berks County, Pennsylvania)
Lerner Building (Cuyahoga County, Ohio)
Lesan--Gould Building (St. Louis, Missouri)
Lesinger Block (Linn County, Iowa)
Lettunich Building (Santa Cruz County, California)
Lever Building (Richland County, South Carolina)
Lever House (New York County, New York)
Levi Wilson Tavern (Washington County, Pennsylvania)
Levine's Department Store (Potter County, Texas)
Levy Brothers Building (Jefferson County, Kentucky)
Lewis Brothers Building (Washington County, Arkansas)