Commercial building

Pueblo Arcade (Indian River County, Florida)
Pumpelly Studio (Cheshire County, New Hampshire)
Purdue State Bank (Tippecanoe County, Indiana)
Smallest of the Louis Sullivan "Jewel Box" banks
Purdum Livery Stable (Lincoln County, Idaho)
Pure Oil Gas Station (Saratoga County, New York)
Puritan House (Essex County, Massachusetts)
Purvin--Hexter Building (Dallas County, Texas)
Pyramid Motors (Lynchburg, Virginia)
Pythian Castle (Lucas County, Ohio)
Pythian Castle (Portsmouth, Virginia)
Pythian Castle (Humboldt County, California)
Pythian Temple (Pierce County, Washington)
Q. M. Pyne Store (Giles County, Virginia)
Quackenbush Hardware Store (Lane County, Oregon)
Quaintance Block (Jefferson County, Colorado)
Quaker Diner (Hartford County, Connecticut)
Classic diner, built on-site.
Queens County Savings Bank (Queens County, New York)
Quincy Market (Suffolk County, Massachusetts)
Quincy Savings Bank (Norfolk County, Massachusetts)
R & S Building (New York County, New York)
R. A. Ragland Building (Nolan County, Texas)
R. Brand and Company (Lucas County, Ohio)
R. F. Strickland Company (Pike County, Georgia)
R. H. Cowan Livery Stable (Colfax County, New Mexico)
R. M. Brooks General Store and Residence (Morgan County, Tennessee)
R. P. Boise Building (Marion County, Oregon)
R. S. Smith Motor Company Building (Clackamas County, Oregon)
R. T. Barnett and Company Building (Gallatin County, Montana)
R. T. Greer and Company (Pike County, Kentucky)
R. T. Greer and Company (Smyth County, Virginia)
R.A. Long Building (Jackson County, Missouri)
R.H. Stearns Building (Suffolk County, Massachusetts)
R.L. Leach Grocery Store (Washington County, Arkansas)
R.L. McDonald and Co. Building (Buchanan County, Missouri)
This four-story red brick building is located at 202 N. 4th in St. Joseph, Mo.
R.M. Jones General Store (Troup County, Georgia)
Rabbit Hash General Store (Boone County, Kentucky)
Rabinowitz Building (Bacon County, Georgia)
Rackleff Building (Cumberland County, Maine)
Racquet and Tennis Club Building (New York County, New York)
Railroad Exchange Building (Muskogee County, Oklahoma)
Railway Exchange Building (Cook County, Illinois)
Rainbow Conoco (Toole County, Montana)
Raleigh Banking and Trust Company Building (Wake County, North Carolina)
Raleigh Bonded Warehouse (Wake County, North Carolina)
Ralph Banks Place (Elbert County, Georgia)
Ralston Opera House (Pawnee County, Oklahoma)
Ramsay-McCormack Building (Jefferson County, Alabama)
Ranch House Cafe (Quay County, New Mexico)
Rand Building (Madison County, Alabama)
Randall Building Bogaert's Jewelry Store (Fayette County, Kentucky)
Randall Tire Company (Craig County, Oklahoma)
Randecker's Hardware Store (Du Page County, Illinois)
Rangeley Trust Company Building (Franklin County, Maine)
Rankin Block (Knox County, Maine)
Rankin Building (Franklin County, Ohio)
Rankin Building (Orange County, California)
Raphael Kirshbaum Building (Randolph County, Indiana)
Rapid City Fruit Company (Pennington County, South Dakota)
Rapid City Garage (Pennington County, South Dakota)
Rapid City Laundry (Pennington County, South Dakota)
Rapides Bank and Trust Company Building (Rapides Parish, Louisiana)
Rapids Roadhouse (Southeast Fairbanks Census Area, Alaska)
Rasor and Clardy Company Building (Marion County, South Carolina)
Rathdrum State Bank (Kootenai County, Idaho)
Rauscher House (Warren County, Kentucky)
Ray Opera House (Williams County, North Dakota)
Raymond Farmers and Citizens State Bank (Clark County, South Dakota)
Realty Building (Mahoning County, Ohio)
Rebeil Block (Pima County, Arizona)
Record Building (St. Johns County, Florida)
Red Ball Cafe (Bernalillo County, New Mexico)
Red Bank Battlefield (Gloucester County, New Jersey)
Red Bank Passenger Station (Monmouth County, New Jersey)
Red Bank Plantation (Duval County, Florida)
Red Cedar Inn (St. Louis County, Missouri)
Red Cross Garage (Coconino County, Arizona)
Red Horse Tavern (Preston County, West Virginia)
Red Popcorn Wagon (Erie County, Ohio)
Red Run Lodge (Franklin County, Pennsylvania)
Red Wing Shoes (Franklin County, Missouri)
Redick Tower (Douglas County, Nebraska)
Redington Block (Lorain County, Ohio)
Reebie Moving and Storage Company (Cook County, Illinois)
Reed's Store (Calaveras County, California)
Reedley National Bank (Fresno County, California)
Reedley Opera House Complex (Fresno County, California)
Reedsburg Woolen Mill Office (Sauk County, Wisconsin)
Reeves Building (Habersham County, Georgia)
Rehbein Grocery (Maricopa County, Arizona)
Reich Dry Goods Company (Muscogee County, Georgia)
Reilly Brothers and Raub Building (Lancaster County, Pennsylvania)
Reilly's Store (Sullivan County, New York)
Reliance Building (Cook County, Illinois)
Renfrow Building (Noble County, Oklahoma)
Renwick Building (Scott County, Iowa)
Renz Block (Allen County, Ohio)
Republic National Bank (Dallas County, Texas)
Republican Block (Hampden County, Massachusetts)
Reserve Loan Life Insurance Company (Marion County, Indiana)
Revel General Store (Woodruff County, Arkansas)
Review Building (Spokane County, Washington)
Reynolds - Day Building (Walla Walla County, Washington)
Two story brick and cast iron commercial building built in 1874
Reynolds Arcade (Monroe County, New York)
Rhode Island Hospital Trust Building (Providence County, Rhode Island)
Rhode Island Medical Society Building (Providence County, Rhode Island)
Rhode Island State Airport Terminal (Kent County, Rhode Island)
Rhodes Medical Arts Building (Pierce County, Washington)
Rhodes Pharmacy (New Castle County, Delaware)
Rhodes' Tavern (Washington, District of Columbia)
Rhodes-Haverty Building (Fulton County, Georgia)
Rhodes-on-the Pawtuxet Ballroom and Gazebo (Providence County, Rhode Island)
Rialto Building (San Francisco County, California)
Rice Brothers and Adams Building (Douglas County, Oregon)
Riceland Hotel (Arkansas County, Arkansas)
Rich-Schwartz Building (Davidson County, Tennessee)
Richard and Helen Rice House (Washington County, Oregon)
Richard Caples Building (El Paso County, Texas)
Richardson Block (Suffolk County, Massachusetts)
Richardson Building (Canadian County, Oklahoma)
Richardson Store (Quay County, New Mexico)
Richardson--Bower Building (Salt Lake County, Utah)
Richbourg Motors Building (Buncombe County, North Carolina)
Richland Trust Building (Richland County, Ohio)
Richmond Community Building (Cache County, Utah)
Rickeman Grocery Building (Racine County, Wisconsin)
Riddle Block (Portage County, Ohio)
Ridge Avenue Farmers' Market (Philadelphia County, Pennsylvania)
Ridgway Building (Vanderburgh County, Indiana)
Riede's City Bakery (Pitkin County, Colorado)
Riepe Drug Store/G. Ott Block (Scott County, Iowa)
Riggio Building (St. Louis, Missouri)
Riggs National Bank (Washington, District of Columbia)
Riggs--Tompkins Building (Washington, District of Columbia)
Riley Everhart Farm and General Store (Davidson County, North Carolina)
Riley's Tavern (Comal County, Texas)
Rindfleisch Building (Rock County, Wisconsin)
Rink's Womens Apparel Store (Marion County, Indiana)
Rio Pecos Truck Terminal (Guadalupe County, New Mexico)
Rising Sun Tavern (Fredericksburg, Virginia)
Ritchie Block (Bennington County, Vermont)
Ritger Wagonmaking and Blacksmith Shop, (Washington County, Wisconsin)
Commercial Building Coverted to Dwelling
Ritter Motor Company (Franklin County, Missouri)
River Inn (Otter Tail County, Minnesota)
Riverside (Hettinger County, North Dakota)
Riverside Concrete Company--Lamont's Market (Middlesex County, Massachusetts)
Riverside-Arlington Heights Fruit Exchange (Riverside County, California)
Road Island Diner (Summit County, Utah)
Fully restored diner of the Jerry O'Mahony Co. #1107
Roadrunner's Retreat Station and Cafe (San Bernardino County, California)
Roark Implement & Hardware Store (Oldham County, Texas)
Robbers Roost (Madison County, Montana)
Roberdel Mill No. 1 Company Store (Richmond County, North Carolina)
Robert Elliott's Wholesale Grocery (Marion County, Missouri)
Robert H. Smith Law Office (Meigs County, Tennessee)
Robert Schwartz and Company Building (Hamilton County, Tennessee)
Robert Smith Mortuary (Vanderburgh County, Indiana)
Robert Stuart House (Mackinac County, Michigan)
Roberts Building (Nacogdoches County, Texas)
Roberts Chevrolet (St. Louis, Missouri)
Roberts-Banner Building (El Paso County, Texas)
Robertson Drugstore (White County, Arkansas)
Robie's Country Store (Merrimack County, New Hampshire)
Robin Hood Mufflers (Cook County, Illinois)
Robinson Bank Building (Anderson County, Texas)
Robinson Building (Galveston County, Texas)
Robinson-Gardner Building (Gaston County, North Carolina)
Robinson-Hiller House (Lexington County, South Carolina)
Historic Home in Chapin, SC
Rochester Savings Bank (Monroe County, New York)
Rock Cafe (Lincoln County, Oklahoma)
Rock Creek Stage Station (Routt County, Colorado)
Rock Creek State Bank (Carbon County, Montana)
Rock Front (McIntosh County, Oklahoma)
Rock Island Plow Building (Oklahoma County, Oklahoma)
Rockefeller Building (Cuyahoga County, Ohio)
Rockford Morning Star Building (Winnebago County, Illinois)
Rockland Trust Company (Plymouth County, Massachusetts)
Rockvale Store (Rutherford County, Tennessee)
Rod's Grill (Los Angeles County, California)
Rod's Steak House (Coconino County, Arizona)
Rogers Building (Orange County, Florida)
Rogers Department Store (Lauderdale County, Alabama)
Rogers' Store (Surry County, Virginia)
Rohm and Haas Corporate Headquarters (Philadelphia County, Pennsylvania)
Rollin Sprague Building--Old Stone Store (Oakland County, Michigan)
Roma Bakery (Santa Clara County, California)
Rookery Building (Cook County, Illinois)