Commercial building

Hightower Building (Oklahoma County, Oklahoma)
Highway Diner (Navajo County, Arizona)
Highway Garage (Ellis County, Texas)
Higuera Grocery (Maricopa County, Arizona)
Hihn Building (Santa Cruz County, California)
Hiland Telphone Exchange Building (Jackson County, Missouri)
Hilger Block (Hughes County, South Dakota)
Hillcrest Restaurant (San Miguel County, New Mexico)
Hillsboro State Bank Building (Hillsborough County, Florida)
Hillsdale Brick Store (Guilford County, North Carolina)
Hilzinger Block (Oakland County, Michigan)
Himmelberger and Harrison Building (Cape Girardeau County, Missouri)
Hinde & Dauch Paper Co. (Erie County, Ohio)
Hindman Ben Franklin (Knott County, Kentucky)
Hinton Junction Courts & Cafe (Caddo County, Oklahoma)
Historic Seligman Sundries (Yavapai County, Arizona)
Hite House (Somerset County, Pennsylvania)
Hiwasse Bank Building (Benton County, Arkansas)
Hodde Drugstore (Washington County, Texas)
Hoff Department Store (Dane County, Wisconsin)
Hoffelt Drug Store (Hamlin County, South Dakota)
Hofflin & Greentree Building (Muscogee County, Georgia)
Hofheintz-Reissig Store (Travis County, Texas)
Hoge Building (King County, Washington)
Hogg Building (Harris County, Texas)
Hohberger Building (Polk County, Iowa)
Hoke Building (Payne County, Oklahoma)
Hokenson Fishing Dock (Bayfield County, Wisconsin)
Hokey's Drugstore (Pittsburg County, Oklahoma)
Holcomb--Blanton Print Shop (Tom Green County, Texas)
Holland Building (Greene County, Missouri)
Holland Land Office (Genesee County, New York)
Hollandale Downtown Historic District (Washington County, Mississippi)
Holley-Mason Building (Spokane County, Washington)
Hollis Country Store (Perry County, Arkansas)
Hollywood Studio Club (Los Angeles County, California)
Holmes Block (Becker County, Minnesota)
Holston National Bank (Knox County, Tennessee)
Holt Brothers Banking Company Building (Washington County, Georgia)
Holt-Balcom Lumber Company Office (Oconto County, Wisconsin)
Holt-Poindexter Store Building (Ouachita County, Arkansas)
Holyoke Building (King County, Washington)
Holz--Forshage--Krueger Building (Comal County, Texas)
Home Bank and Trust Company (Cook County, Illinois)
Home Building Association Bank (Licking County, Ohio)
Home Federal Building (Mecklenburg County, North Carolina)
Home Laundry (Los Angeles County, California)
Home Laundry Company (Monroe County, Indiana)
Home National Bank (Lexington County, South Carolina)
Home Office Building (Essex County, New Jersey)
Home Office, Northwestern Mutual Life Insurance Company (Milwaukee County, Wisconsin)
Richardsonian Romanesque office building, built for NML, now the Hilton Garden Hotel
Home Stake Oil and Gas Company Building (Seminole County, Oklahoma)
Honan's Block and 112--114 Main Street (Providence County, Rhode Island)
Honeyman Hardware Company Building (Multnomah County, Oregon)
Honigsberger Store (Calaveras County, California)
Hood Brothers Building (Johnston County, North Carolina)
Hook Tavern (Hampshire County, West Virginia)
Historic Tavern in Capon Bridge, WV
Hooker Woodframe Grain Elevator (Texas County, Oklahoma)
Hooks--Moore Store (Grant County, New Mexico)
Hooper Building (Hamilton County, Ohio)
Hoornbeek Store Complex (Ulster County, New York)
Hoosac Stores 1 & 2-Hoosac Stores 3 (Suffolk County, Massachusetts)
Hoover Store (Butte County, South Dakota)
Hope Block and Cheapside (Providence County, Rhode Island)
Hopkins and Brother Store (Accomack County, Virginia)
Hopkins Feed and Seed Store (Miller County, Arkansas)
Hopkinton Supply Co. Building (Middlesex County, Massachusetts)
Hornbarger Store (Montgomery County, Virginia)
Horton Bay General Store (Charlevoix County, Michigan)
Hosman and Wheeler Meat Market (Emmet County, Michigan)
Hostetter Inn (Columbiana County, Ohio)
Hotel Albert Commercial Block (Colleton County, South Carolina)
Hotel Breeding (Wayne County, Kentucky)
Hotel Cherokee (Alfalfa County, Oklahoma)
Hotel Macdoel (Siskiyou County, California)
Hotel Manning (Van Buren County, Iowa)
Hotel North Bend (Coos County, Oregon)
House at 113 Salem Street (Middlesex County, Massachusetts)
A 19th-century shoemaker's shop
House at 206 Park Street (Pendleton County, Kentucky)
House of Weller (Jefferson County, Kentucky)
Household Furniture Co. (Tom Green County, Texas)
Houston Coal Company Store (McDowell County, West Virginia)
Houston Post-Dispatch Building (Harris County, Texas)
Howard Block (Plymouth County, Massachusetts)
Howard Block (St. Clair County, Michigan)
Howard Brothers' Store (Nelson County, Kentucky)
Howard Hardware Storehouse (Windham County, Vermont)
Howard Motor Company Building (Los Angeles County, California)
Howard Store (Alamosa County, Colorado)
Howdy Hank Trading Post (Navajo County, Arizona)
Howes Building (Clinton County, Iowa)
Howes, C. G., Dry Cleaning--Carley Real Estate (Middlesex County, Massachusetts)
Howland Cobblestone Store (Cayuga County, New York)
Hoya Land Office Building (Nacogdoches County, Texas)
Hoyt Block (Cuyahoga County, Ohio)
Hub Department Store Building (Coos County, Oregon)
Hubbard--Cotton Store (Oxford County, Maine)
Hubbell Building (Polk County, Iowa)
Huber Motor Sales Building (Vanderburgh County, Indiana)
Huddleston House Tavern, The (Wayne County, Indiana)
Huddleston Store and McKinzie Store (Montgomery County, Arkansas)
Hudson Public Library (St. Croix County, Wisconsin)
Former library, now a law office
Huff Store (Williamson County, Tennessee)
Hughes House (Antrim County, Michigan)
Hugus Hardware (Carbon County, Wyoming)
Hull Building (King County, Washington)
Humble Oil Building (Harris County, Texas)
Humer Building (Lake County, Illinois)
Humphreys Drugstore Building (Tillman County, Oklahoma)
Humpty Dumpty Store (Brazos County, Texas)
Hunt, Dr. Chester, Office (Windham County, Connecticut)
Hunter--Oliphant Block (Oswego County, New York)
Hunter-Dulin Building (San Francisco County, California)
Huntington Building (Miami-Dade County, Florida)
Hurd & Fitzgerald Building (Oneida County, New York)
Hurd Round House (Wells County, North Dakota)
Hurley Building (Maricopa County, Arizona)
Hurstville Lime Works (Jackson County, Iowa)
Four lime kilns that produced lime from 1870 to 1930.
Hurt Building (Fulton County, Georgia)
Husung Hardware (Alamosa County, Colorado)
Hutchinson-Suddath Building (Duval County, Florida)
Hutzler Brothers Palace Building (Baltimore, Maryland)
Hy-Red Gasoline Station (Howard County, Indiana)
Hyman Schriber Building (Montgomery County, Ohio)
Hyman-Brand Building (Pitkin County, Colorado)
I & M Building (St. Joseph County, Indiana)
I and M Building (Logan County, Colorado)
I-84 Diner (Dutchess County, New York)
A DeRaffele diner, remodeled in 1997
I.O.O.F. and Barker Buildings (Posey County, Indiana)
I.O.O.F. Building, Mason Valley (Lyon County, Nevada)
I.O.O.F. Lodge (Galveston County, Texas)
I.P. Campbell Building (Harper County, Kansas)
I.W.W. Beck Building (Rogers County, Oklahoma)
Idaho Grocery Warehouse and Annex (Nez Perce County, Idaho)
Idaho Republican Building (Bingham County, Idaho)
Iddings Block (Grand Forks County, North Dakota)
Ideal Building (Denver County, Colorado)
Ideal Department Store Building (Stark County, Ohio)
Ideal Department Store Building (Jefferson County, Alabama)
Ihlen Mercantile Company (Pipestone County, Minnesota)
Ilfeld Warehouse (Socorro County, New Mexico)
Ilfeld-Johnson Warehouse (Guadalupe County, New Mexico)
Ilium Building (Rensselaer County, New York)
Illinois Brewery (Socorro County, New Mexico)
Illinois State Bank Building (Christian County, Illinois)
Imperial Granum--Joseph Parker Buildings (New Haven County, Connecticut)
Independence Building (Mecklenburg County, North Carolina)
Independence National Bank (Polk County, Oregon)
Independent Telephone Company Building (Missoula County, Montana)
India Temple Shrine Building (Oklahoma County, Oklahoma)
Indian Citizen Building (Atoka County, Oklahoma)
Indian Harvest Trading Post (Franklin County, Missouri)
Indian Market (Apache County, Arizona)
Indian Queen Tavern and Black's Store (Cecil County, Maryland)
Indiana Limestone Company Building (Lawrence County, Indiana)
Indianapolis News Building (Marion County, Indiana)
Industrial Savings Bank Building (Genesee County, Michigan)
Ingalls Building (Hamilton County, Ohio)
Ingle Brothers Broomcorn Warehouse (Ellis County, Oklahoma)
Ingraham Building (Miami-Dade County, Florida)
Inland Steel Building (Cook County, Illinois)
Inn at Fowlerstown (Brooke County, West Virginia)
Insurance Building (Ellsworth County, Kansas)
Insurance Company of North America Building (Philadelphia County, Pennsylvania)
Inter-County Mortgage and Finance Company (Camden County, New Jersey)
Inter-State Building (Jackson County, Missouri)
Interior Telephone Company Building (Poweshiek County, Iowa)
International Harvester Building (Peoria County, Illinois)
International House (Gila County, Arizona)
International Trust Company Building (Suffolk County, Massachusetts)
Interstate Power Company Building (Dubuque County, Iowa)
Investment Block (Colfax County, New Mexico)
Iona Cafe (Silver Bow County, Montana)
Two story brick cafe built in 1914
IOOF Building (Jackson County, Oregon)
Iowa Building (Linn County, Iowa)
Iowa Building (Creek County, Oklahoma)
Iowa Reform Building (Scott County, Iowa)
Ipswich State Bank (Edmunds County, South Dakota)
Ira F. Powers Building (Multnomah County, Oregon)
Irby Building (Pottawatomie County, Oklahoma)
Irene Coal & Feed (Boone County, Illinois)
Last of several railroad related businesses that use to stand in Irene, Illinois.
Irish, J. & O., Store (Oxford County, Maine)
Iron River Creamery (Iron County, Michigan)
Irvin General Merchandise Store (Habersham County, Georgia)
Irvington (Lancaster County, Virginia)
Irwin Brothers Store (Jefferson County, New York)
Irwin Union Bank and Trust (Bartholomew County, Indiana)
Isaac E. Shaw Building (Sonoma County, California)