Commercial building

Colton's Block (Worcester County, Massachusetts)
Columbia Building (Jackson County, Missouri)
Columbia Building (Franklin County, Ohio)
Columbia Chronicle Building (Columbia County, Washington)
Brick newspaper office built in 1908
Columbia Pharmacy (Benton County, Washington)
Two story commercial building built in 1904
Columbia Southern Hotel (Wasco County, Oregon)
Columbian Building (Shawnee County, Kansas)
Columbian Mutual Tower (Shelby County, Tennessee)
Columbus Savings and Trust Building (Franklin County, Ohio)
Columns, The (Leon County, Florida)
Colvos Store (King County, Washington)
Combs-Worley Building (Gray County, Texas)
Comeau Building (Palm Beach County, Florida)
Commerce Block (Converse County, Wyoming)
Commerce Building (Ramsey County, Minnesota)
Commerce Building (Okmulgee County, Oklahoma)
Commerce Building (Creek County, Oklahoma)
Commerce Building/Hancock Building (Ottawa County, Oklahoma)
Commercial and Savings Bank (San Joaquin County, California)
Commercial Bank and Banker's House (Adams County, Mississippi)
Commercial Bank Building (Lac qui Parle County, Minnesota)
Commercial Bank Building (Sumner County, Kansas)
Commercial Banking & Trust Co. (Erie County, Ohio)
Commercial Building (Rapides Parish, Louisiana)
Commercial Building (Lorain County, Ohio)
Commercial Building (Creek County, Oklahoma)
Commercial Building (San Juan County, New Mexico)
Commercial Building (Okmulgee County, Oklahoma)
Commercial Building (Okmulgee County, Oklahoma)
Commercial Building (Okmulgee County, Oklahoma)
Commercial Building (Okmulgee County, Oklahoma)
Commercial Building (Okmulgee County, Oklahoma)
Commercial Building (Washington County, Oklahoma)
Commercial building at 1812 Main Street (Baker County, Oregon)
Single story brick commercial building built in 1900
Commercial building at 1920 Main Street (Baker County, Oregon)
Two story brick & cast iron storefront built in 1895
Commercial Building at 500 North Tryon Street (Mecklenburg County, North Carolina)
Commercial Building at 721 Pacific Avenue (Pierce County, Washington)
Two story brick commercial building built in 1890
Commercial House (Mercer County, Illinois)
Commercial National Bank (Washington, District of Columbia)
Commodore Hotel (Wasco County, Oregon)
Four story mixed use residential & commercial building built in 1906
Common Burying Ground at Sandy Bank (Middlesex County, Massachusetts)
Community National Bank Building (Major County, Oklahoma)
Compass Inn (Westmoreland County, Pennsylvania)
Conabeer Chrysler Building (Buncombe County, North Carolina)
Concord Building (Multnomah County, Oregon)
Condon National Bank (Montgomery County, Kansas)
Cone and Kimball Building (Tehama County, California)
Congregational Store (Lancaster County, Pennsylvania)
Congress Building (Miami-Dade County, Florida)
Conklin-Montgomery House (Wayne County, Indiana)
Conner's Bookstore (Vanderburgh County, Indiana)
Conover Building (Montgomery County, Ohio)
Consolidated Building (Richland County, South Carolina)
Consolidated Royalty Building (Natrona County, Wyoming)
Continental Bank Building (Salt Lake County, Utah)
Continental Oil Company (Laramie County, Wyoming)
Continental Oil Company Filling Station (Flathead County, Montana)
Conway Building (Cook County, Illinois)
Cook Blacksmith Shop (Dixon County, Nebraska)
Cook Building (Cuyahoga County, Ohio)
Cook Station Bank (Crawford County, Missouri)
Cook Station Mercantile (Crawford County, Missouri)
Mercantile for the village of Cook Station
Cook's Hall (Colfax County, New Mexico)
Cooke City Store (Park County, Montana)
Cool Springs (Mohave County, Arizona)
Coors Building (Colfax County, New Mexico)
Coos Bay National Bank Building (Coos County, Oregon)
Copper State Motel (Yavapai County, Arizona)
Corbin Bank Building (Whitley County, Kentucky)
Corbin Building (New York County, New York)
Corby-Forsee Building (Buchanan County, Missouri)
Corlett Building (Cuyahoga County, Ohio)
Corner Lunch (Worcester County, Massachusetts)
Corning Opera House (Adams County, Iowa)
Cornish Building (Pittsburg County, Oklahoma)
Cornwall Brothers' Store (Jefferson County, New York)
Cornwall General Store (Addison County, Vermont)
Coronado Bank Building (San Diego County, California)
Beaux-Arts bank and commercial building built in 1916
Corstone Sales Company (Angelina County, Texas)
Cory Building (Kay County, Oklahoma)
Cosden Building (Tulsa County, Oklahoma)
Cottage Lawn (Madison County, New York)
Cotton Belt Building (Smith County, Texas)
Cotton Belt Railroad Office Building (Miller County, Arkansas)
Cotton Exchange Building, Old (Nacogdoches County, Texas)
Cotton-Exchange Building (Oklahoma County, Oklahoma)
Cottrill Opera House (Tucker County, West Virginia)
Council Grove National Bank (Morris County, Kansas)
Country Girl Diner (Windham County, Vermont)
Country Tea Room (Kane County, Illinois)
Court Building (Furniture Building) (Vanderburgh County, Indiana)
Courthouse Center (Licking County, Ohio)
Coushatta Bank Building (Red River Parish, Louisiana)
Cousins Bros. Trading Post (McKinley County, New Mexico)
Cowan, McClung and Company Building (Knox County, Tennessee)
Cowley County National Bank Building (Cowley County, Kansas)
Cox Building (Monroe County, New York)
Cox Furniture Store (Alachua County, Florida)
Cox Furniture Warehouse (Alachua County, Florida)
Crain's Wholesale and Retail Store (Breathitt County, Kentucky)
Crane Building (Hamilton County, Tennessee)
Crane Company Building (Cook County, Illinois)
Crane Company Building (Former) (Mecklenburg County, North Carolina)
Crater Lake Lodge (Klamath County, Oregon)
Crawford Building (Shawnee County, Kansas)
Crawford General Store (Fayette County, Tennessee)
Creal Store (Green County, Kentucky)
Credit Thrift Building (Washington County, Oklahoma)
Creek County Abstract Co. Building (Creek County, Oklahoma)
Crescent Laundry (Smith County, Texas)
Crisp Building (Sarasota County, Florida)
Crittenden Building (Jefferson County, Alabama)
Crittenden County Bank and Trust Company (Crittenden County, Arkansas)
Croissant Park Administration Building (Broward County, Florida)
Croll Building (Alameda County, California)
Crook County Bank Building (Crook County, Oregon)
Crossroads of the World (Los Angeles County, California)
Crossroads Tavern (Albemarle County, Virginia)
Crump and Field Grocery Company (Boyd County, Kentucky)
Cruz Trading Post (Pinal County, Arizona)
Crystal Ice Company Building (Escambia County, Florida)
Cummins & Co. Meloan General Store (Pike County, Missouri)
Cummins Block Building (Lincoln County, Kansas)
Cummins Station (Davidson County, Tennessee)
Cundill Block (Jackson County, Iowa)
Curt Teich and Company Building (Cook County, Illinois)
Curtis Building (Plymouth County, Massachusetts)
Curtis Hardware Store (Delta County, Colorado)
Curtis Supply Building (Washington County, Oklahoma)
Curtiss, Harlow C., Building (Erie County, New York)
Cushing Land Agency Building (Polk County, Wisconsin)
Cushman Tavern (Androscoggin County, Maine)
Customs House (Wayne County, New York)
D. B. Anderson and Company Building (Thomas County, Georgia)
D. C. McDonald Building (Humboldt County, California)
D. H. Anderson Building (Jackson County, Iowa)
D. H. Ewing & Sons Creamery (Jefferson County, Kentucky)
D. S. Tavern (Albemarle County, Virginia)
Dabbs Store (Crittenden County, Arkansas)
Daft Block (Salt Lake County, Utah)
Dagen's Grocery (LaMoure County, North Dakota)
Daily News Building (New York County, New York)
Daily Northwestern Building (Winnebago County, Wisconsin)
Four story Italian Renaissance building in the central business district
Dakota Farmer Building (Brown County, South Dakota)
Dale Building (Vermilion County, Illinois)
Dallas National Bank (Dallas County, Texas)
Dan's Diner (Columbia County, New York)
A restored 1925 O'Mahony classic.
Daniel Gibb & Co. Warehouse (San Francisco County, California)
Daniel Sciumbato Grocery Store (Otero County, Colorado)
Dantzscher Building (Columbia County, Washington)
Two story brick storefront built in 1888
Darby House, The (Hopkins County, Kentucky)
Dardeau Building (Evangeline Parish, Louisiana)
Darling Inn (Caledonia County, Vermont)
Dave's Diner (Kennebec County, Maine)
Dave's Texaco (Blaine County, Montana)
Davenport Bank & Trust (Scott County, Iowa)
Beaux Arts bank in downtown Davenport, one of two Davenport banks to survive the Great Depression
Davenport Crematorium (Scott County, Iowa)
David Rothschild's Wholesale Dry Goods (Muscogee County, Georgia)
Davids' Building (Latah County, Idaho)
Davidson Building (Deer Lodge County, Montana)
Davidson Building (Woodbury County, Iowa)
Davidson Building (Kittitas County, Washington)
Two story brick & cast iron Italianate style commercial building built in 1889
Davies Building (Shawnee County, Kansas)
Davies Building (Pierce County, Washington)
Three story brick & cast iron commercial building built in 1888
Davies' Chuck Wagon Diner (Jefferson County, Colorado)
Davis & Chapell Building (Barry County, Missouri)
Davis Brothers Store (Yadkin County, North Carolina)
Davis Carriage House (Saginaw County, Michigan)
Davis-Adcock Store (Wake County, North Carolina)
Davis-Exchange Bank Building (Dougherty County, Georgia)
Dawson Building (Bristol County, Massachusetts)
Day And Night Diner (Hampden County, Massachusetts)
Originally open 24 hours, hence the name.
Daylight Building (Whatcom County, Washington)
Dayton Daily News Building (Montgomery County, Ohio)
Dayton Mercantile (Sheridan County, Wyoming)
Dean Eldredge Museum (Coconino County, Arizona)
Dean Motor Company (Pennington County, South Dakota)
Decker Building (New York County, New York)
Deer Creek General Merchandise Store (Grant County, Oklahoma)
Deering Building (Obion County, Tennessee)
DeFord Building (Logan County, Oklahoma)
DeGraff Building (El Paso County, Colorado)
Deibler Building (Seminole County, Oklahoma)
DeJarnette's Tavern (Halifax County, Virginia)
Dekum, The (Multnomah County, Oregon)
Del's Restaurant (Quay County, New Mexico)
Delany Building (St. Louis, Missouri)