Commercial building

Peyton Building and Peyton Annex (Spokane County, Washington)
Peyton-Ellington Building (Charlottesville, Virginia)
Pfeifer Brothers Department Store (Pulaski County, Arkansas)
Phelps Dodge General Office Building (Cochise County, Arizona)
Phelps, Arah, Inn (Litchfield County, Connecticut)
Philadelphia Contributionship (Philadelphia County, Pennsylvania)
Philadelphia Savings Fund Society Building (Philadelphia County, Pennsylvania)
Philadelphia Stock Exchange (Philadelphia County, Pennsylvania)
Philadelphia Watch Case Company Building (Burlington County, New Jersey)
Philadelphia Wholesales Drug Company Building (Philadelphia County, Pennsylvania)
Philcade Building (Tulsa County, Oklahoma)
Philip Carey Building (Mecklenburg County, North Carolina)
Philip Dougherty Tavern (Chester County, Pennsylvania)
Philips-Thompson Buildings (New Castle County, Delaware)
Philipsburgh Building (Westchester County, New York)
Phillip Hardware Store (Ellis County, Kansas)
Phillips 66 Station (Jackson County, Arkansas)
Phillips 66 Station #473 (Tulsa County, Oklahoma)
Phillips and Trosper Buildings (Lampasas County, Texas)
Phillips Block (Minnehaha County, South Dakota)
Phillipsburg General Store (Laclede County, Missouri)
Philtower (Tulsa County, Oklahoma)
Phipps--Wallace Store Building (St. Louis, Missouri)
Phipps-McElveen Building (Allegheny County, Pennsylvania)
Phlegar Building (Montgomery County, Virginia)
Phoenix Bank of Nansemond (Suffolk, Virginia)
Phoenix Building (Monroe County, New York)
Phoenix Building (Plymouth County, Massachusetts)
Phoenix Cleaners Building (Tulsa County, Oklahoma)
Phoenix Life Insurance Company Building (Hartford County, Connecticut)
Phoenix Opera House Block (Schuyler County, Illinois)
Phoenix Seed & Feed Company (Maricopa County, Arizona)
Physicians and Dentists Building (Philadelphia County, Pennsylvania)
Physicians Building (Fresno County, California)
Pier One (San Francisco County, California)
Pierce House (Olmsted County, Minnesota)
Piereus Store (Charlottesville, Virginia)
Pigeon Ranch (Santa Fe County, New Mexico)
Pike County Hospital (Pike County, Missouri)
Pike Inn, Old (Floyd County, Indiana)
Pilsbury Block (Androscoggin County, Maine)
Pilsener Brewing Company (Cuyahoga County, Ohio)
Pincus Building (Mobile County, Alabama)
Pincus Building (Silver Bow County, Montana)
Two story brick & cast iron commercial building built in 1894
Pine Tree Lumber Company Office Building (Morrison County, Minnesota)
Pinkston--Mays Store Building (Benton County, Arkansas)
Pioneer and Endicott Buildings (Ramsey County, Minnesota)
Pioneer Block (Eau Claire County, Wisconsin)
Pioneer Building (Oklahoma County, Oklahoma)
Pioneer Building (Westchester County, New York)
Pioneer Building (Washington County, Oklahoma)
Pioneer Implement Company (Pottawattamie County, Iowa)
Pioneer Lounge (Cuyahoga County, Ohio)
Pioneer Market (Pinal County, Arizona)
Pioneer Saloon (Lassen County, California)
Saloon established in 1862
Pioneer State Bank No. 36 (Lapeer County, Michigan)
Pioneer Supply Depot (Walla Walla County, Washington)
One story brick and cast iron commercial building built in 1882
Pioneer Tourist Court (Lincoln County, Oklahoma)
Pitcairn Building (Philadelphia County, Pennsylvania)
Pitcher Store (Callaway County, Missouri)
Pix Building (Galveston County, Texas)
Plainview Hardware Company Building (Ochiltree County, Texas)
Plano General Store (Greene County, Missouri)
Plant Auto Company Building (Cache County, Utah)
Planters Bank Building (Marion County, Texas)
Planters Bank Building (Mississippi County, Arkansas)
Planters Building (Robeson County, North Carolina)
Planters National Bank (Richmond, Virginia)
Plaza Building (Stanislaus County, California)
Plaza Court (Oklahoma County, Oklahoma)
Pleasant Grove Masonic Lodge (Olmsted County, Minnesota)
Plough Inn (Dane County, Wisconsin)
Plumbing Supply Company (Minnehaha County, South Dakota)
Pocahontas Fuel Company Store (McDowell County, West Virginia)
Pocahontas Fuel Company Store (McDowell County, West Virginia)
Pocahontas Times Print Shop (Pocahontas County, West Virginia)
Point Barrow Refuge Station (North Slope Borough, Alaska)
Pokrandt Blacksmith Shop (Waukesha County, Wisconsin)
Free standing, two story structure with fašade clad with Lannon stone.
Polk County Bank (Polk County, Oregon)
Polk-a-Dot Drive-In (Will County, Illinois)
Pollard Block (Windsor County, Vermont)
Polmer Store (Terrebonne Parish, Louisiana)
Polygonal Barn, Van Buren Township (Jackson County, Iowa)
Ponca City News Building (Kay County, Oklahoma)
Ponca City Savings & Loan Building (Kay County, Oklahoma)
Pond Creek Station (Wallace County, Kansas)
Pond Inn (St. Louis County, Missouri)
Pontiac Building (Cook County, Illinois)
Poppleton Block (Douglas County, Nebraska)
Popular Department Store (El Paso County, Texas)
Popular Price Store (Panola County, Mississippi)
Portal State Bank (Burke County, North Dakota)
Porter Building (Yolo County, California)
Porterville General Store (Kemper County, Mississippi)
Portland General Electric (PGE) Building (Marion County, Oregon)
Two story brick commercial building constructed in 1920
Portland Van and Storage Building (Multnomah County, Oregon)
Post and King Saloon (Lake County, Oregon)
Postal Building (Multnomah County, Oregon)
Poston Block (Montgomery County, Tennessee)
Pottawatomie County Fair Pavilion (Pottawatomie County, Kansas)
Potter/Casey Company Building (Aitkin County, Minnesota)
Potters National Bank (Columbiana County, Ohio)
Potters Savings and Loan (Columbiana County, Ohio)
Potts Brothers Store (Troup County, Georgia)
Pottsville Citizen's Bank (Pope County, Arkansas)
Poughkeepsie Savings Bank (Dutchess County, New York)
Pouncey Building (Jackson County, Missouri)
Pow Wow Trading Post (Navajo County, Arizona)
Powell Building (Murray County, Oklahoma)
Powell Clothing Store (White County, Arkansas)
Powell Place (La Crosse County, Wisconsin)
Powers Building (Monroe County, New York)
Poynor's Drug Store (Carroll County, Arkansas)
Poynter Building (Laurel County, Kentucky)
Praeger Building (Bee County, Texas)
Praetorian Building (McLennan County, Texas)
Pratt & Cjolme Building (Charles Mix County, South Dakota)
Prattsville Commercial Building (Greene County, New York)
Preslar--Hewitt Building (Williamson County, Texas)
Presley Store (St. Clair County, Alabama)
Presque Isle National Bank (Aroostook County, Maine)
Price Tavern/Braffet Block (Carbon County, Utah)
Prince Brothers General Store-Berry Store (Fayette County, West Virginia)
Prince, Henry W., Building (Suffolk County, New York)
Princess Ice Cream Co. (Tom Green County, Texas)
Professional Building (Suffolk, Virginia)
Professional Building (Jackson County, Missouri)
Professional Building (Kennebec County, Maine)
Professional Building (Wake County, North Carolina)
Professional Building (Maricopa County, Arizona)
Professional Building (Palm Beach County, Florida)
Prosser State Bank (Benton County, Washington)
Two story brick bank built in 1906
Providence Telephone Company (Providence County, Rhode Island)
Provo West Co-op (Utah County, Utah)
Prudential Building (Erie County, New York)
Public House Diner (Windsor County, Vermont)
Public Market (Strafford County, New Hampshire)
Public Service Building (Lake County, Illinois)
Public Service Building (Denver County, Colorado)
Public Service of Oklahoma Building (Tulsa County, Oklahoma)
Publicity Building (Suffolk County, Massachusetts)
Publix Store No. 91 (Miami-Dade County, Florida)
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. K. McAdams Building (Pittsburg County, Oklahoma)
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)