Plimpton--Winter House (Norfolk County, Massachusetts)
Pliny and Adelia Fay House (Muscatine County, Iowa)
Ploeger-Kerr-White House (Bastrop County, Texas)
Ploger-Moneymaker Place (Laclede County, Missouri)
Plum Bayou Homesteads (Jefferson County, Arkansas)
Plum Grove (Johnson County, Iowa)
Plumb House (Middlesex County, Connecticut)
Plumb House (Waynesboro, Virginia)
Plumbush (Putnam County, New York)
Plumer House (Westmoreland County, Pennsylvania)
Plumhoff House (Ellis County, Texas)
Plummer Homestead (Strafford County, New Hampshire)
Plummer House (White County, Arkansas)
Plummer's Station (Conway County, Arkansas)
Plummer, Capt. John, House (Washington County, Maine)
Plymouth Antiquarian House (Plymouth County, Massachusetts)
Poage-Arnold House (Clay County, Missouri)
Poague House (Mason County, Kentucky)
Poe Cottage (Bronx County, New York)
Poehlman House (Onondaga County, New York)
Pogue House (Mason County, Kentucky)
Poillon-Seguine-Britton House (Richmond County, New York)
Poinsett House (Kent County, Delaware)
Point Au View (Mason County, Kentucky)
Point Breeze (Burlington County, New Jersey)
Point Breeze (Franklin County, Kentucky)
Point Gratiot Lighthouse Complex (Chautauqua County, New York)
Campus of a lighthouse, keeper's quarters, supporting structures and museum
Point of Fork Plantation (Fluvanna County, Virginia)
Point of Honor (Lynchburg, Virginia)
Point of Pines Plantation Slave Cabin (Charleston County, South Carolina)
Point of Rocks (Chesterfield County, Virginia)
Point, The, Historic District (Clinton County, New York)
Pointe Coupee Parish Museum (Pointe Coupee Parish, Louisiana)
Poiret Place (St. Landry Parish, Louisiana)
Polaski King House (Onondaga County, New York)
Polk House (Warren County, Kentucky)
Polk Sisters' House (Maury County, Tennessee)
Polk-Sherard-Hinman House (Warren County, Mississippi)
Pollard-Nelson House (Cass County, Indiana)
Pollock, Jackson, House and Studio (Suffolk County, New York)
Pollock-Capps House (Tarrant County, Texas)
Polly Bemis House (Idaho County, Idaho)
Polly Fogleman House (Alamance County, North Carolina)
Polychrome Historic District (Montgomery County, Maryland)
Pomaria (Newberry County, South Carolina)
Pomerene House (Holmes County, Ohio)
Pomeroy Cottage (Franklin County, New York)
Pomeroy, Arthur G., House (Hartford County, Connecticut)
Pompeiian Villa (Jefferson County, Texas)
Pompey Callaway House (Montgomery County, Virginia)
Pond-Weed House (Fairfield County, Connecticut)
Ponderosa Lodge (El Paso County, Colorado)
Pont Reading (Delaware County, Pennsylvania)
Pontalba Buildings (Orleans Parish, Louisiana)
Pony Creek Park (Mills County, Iowa)
Pool Rock Plantation (Vance County, North Carolina)
Poole Forge (Lancaster County, Pennsylvania)
Poor, Henry Varnum, House (Rockland County, New York)
Pope House (Sampson County, North Carolina)
Pope House (Custer County, Montana)
Pope-Leighey House (Fairfax County, Virginia)
Popham Ranch (Ravalli County, Montana)
Poplar Corner (Wilkes County, Georgia)
Poplar Forest (Bedford County, Virginia)
Poplar Grove (Pender County, North Carolina)
Poplar Grove (Fayette County, Kentucky)
Poplar Grove Mill and House (Mathews County, Virginia)
Poplar Grove Plantation House (West Baton Rouge Parish, Louisiana)
Poplar Hall (Norfolk, Virginia)
Poplar Hill (Harford County, Maryland)
Poplar Hill (Grainger County, Tennessee)
Poplar Hill (Isle of Wight County, Virginia)
Poplar Hill Mansion (Wicomico County, Maryland)
Poplar Lane (Montgomery County, Pennsylvania)
Poplar Springs (Charles City County, Virginia)
Poppletown Farmhouse (Ulster County, New York)
Porcher House (Brevard County, Florida)
Porches, The (Volusia County, Florida)
Port Deposit (Cecil County, Maryland)
Port Micou (Essex County, Virginia)
Port Royal House (Barnstable County, Massachusetts)
Port-Manning House (Marion County, Oregon)
Porter House (Henry County, Tennessee)
Porter House (Onondaga County, New York)
Porter Houses and Armstrong Kitchen (Edgecombe County, North Carolina)
Porter Kelsey House (Anoka County, Minnesota)
Porter L. Williams House (Ellis County, Texas)
Porter Rodgers Sr., House (White County, Arkansas)
Porter, Dr. J., House (Hartford County, Connecticut)
Porter, General, House (Rockingham County, New Hampshire)
Porter--French House (Orange County, California)
Porter--Rhynsburger House (Marion County, Iowa)
Porter--Vallejo Mansion (Monterey County, California)
Porter-Aue House (Summit County, Ohio)
Porter-Bell-Brackley Estate (Franklin County, Maine)
Porter-Brasfield House (Linn County, Oregon)
Porter-Crawford House (Lauderdale County, Mississippi)
Porter-Phelps-Huntington House (Hampshire County, Massachusetts)
Porter-Thomsen House (Douglas County, Nebraska)
Porter-Todd House (Jefferson County, Kentucky)
Porter-York House (Habersham County, Georgia)
Portico Row (Philadelphia County, Pennsylvania)
Portland Manor (Anne Arundel County, Maryland)
Porto Bello (St. Mary's County, Maryland)
Porto Bello (York County, Virginia)
Portridge (Franklin County, North Carolina)
Possum Poke (Worth County, Georgia)
Post House (Madison County, Illinois)
Post, Augustus, House (Tolland County, Connecticut)
Post-Williams House (Dutchess County, New York)
Postles House (New Castle County, Delaware)
Poston House (Christian County, Kentucky)
Pote, Capt. Greenfield, House (Cumberland County, Maine)
Poteat House (Caswell County, North Carolina)
Poth and Schmidt Development Houses (Philadelphia County, Pennsylvania)
Pothier House (Providence County, Rhode Island)
Potter Estate (Middlesex County, Massachusetts)
Potter House (Pinellas County, Florida)
Potter Wright House (Franklin County, Ohio)
Potter--Collyer House (Providence County, Rhode Island)
Potter--O'Brian House (Middlesex County, Massachusetts)
Potter--Remington House (Providence County, Rhode Island)
Potter--Williams House (Suffolk County, New York)
Potter-Van Camp House (Steuben County, New York)
Potter-Williams House (Scott County, Iowa)
Potton-Hayden House (Howard County, Texas)
Potts House (East Baton Rouge Parish, Louisiana)
Potts Inn (Pope County, Arkansas)
Potts Plantation (Mecklenburg County, North Carolina)
Pottsgrove Mansion (Montgomery County, Pennsylvania)
Poulet House (Doniphan County, Kansas)
Powe House (Durham County, North Carolina)
Powell and Blair Stone Ranch (Logan County, Colorado)
Powell C. Maynard House (Bastrop County, Texas)
Powell House (Wake County, North Carolina)
Powell House (Columbus County, North Carolina)
Powell House (Yakima County, Washington)
Powell--McMullan House (Greene County, Virginia)
Powell--Vail House (Clay County, Mississippi)
Powell-Redmond House (Mason County, West Virginia)
Powelton, The (Philadelphia County, Pennsylvania)
Power's Cabin (Graham County, Arizona)
Powers Home (Rensselaer County, New York)
Powers House (Kennebec County, Maine)
Powers Residence (Silver Bow County, Montana)
Powers, Peter, House (Hancock County, Maine)
Powhatan (James City County, Virginia)
Powhatan House (Galveston County, Texas)
Prager--Lombard House (Multnomah County, Oregon)
Prairie Homestead (Jackson County, South Dakota)
Prairie Place (Clarke County, Mississippi)
Prairie Plantation House (Coahoma County, Mississippi)
Prairie View (Cooper County, Missouri)
Prato Rio (Jefferson County, West Virginia)
Pratt House (Middlesex County, Massachusetts)
Pratt House (Middlesex County, Connecticut)
Pratt, Capt. Josiah, House (Norfolk County, Massachusetts)
Pratt, Dexter, House (Middlesex County, Massachusetts)
Pratt, Dr. Ambrose, House (Middlesex County, Connecticut)
Pratt, Humphrey, Tavern (Middlesex County, Connecticut)
Pratt, Miles, House (Middlesex County, Massachusetts)
Pratt, Stillman, House (Middlesex County, Massachusetts)
Pratt--Faxon House (Norfolk County, Massachusetts)
Pratt--McDaniels--LaFlamme HOuse (Bennington County, Vermont)
Pratt-Tabor House (Goodhue County, Minnesota)
Prentice-Panisko House (Silver Bow County, Montana)
Prentiss, Addison, House (Worcester County, Massachusetts)
Prentiss, William, House (Middlesex County, Massachusetts)
Prentiss-Payson House (Middlesex County, Massachusetts)
Prentiss-Tulford House (Franklin County, Ohio)
Presby House (Klickitat County, Washington)
Queen Anne style Victorian mansion built in 1902
Presbyterian Church Parsonage (Coconino County, Arizona)
Presbyterian Manse (Marion County, Texas)
Prescott Estate (Middlesex County, Massachusetts)
Prescott House (Missoula County, Montana)
Prescott, Benjamin Franklin, House (Rockingham County, New Hampshire)
Prescott, Gustavus G., House (Middlesex County, Massachusetts)
Prescott, J. L., House (York County, Maine)
President Gerald R. Ford Jr. House (Alexandria, Virginia)
President's Home (Warren County, Kentucky)
President's House (Mercer County, New Jersey)
President's House (Clarke County, Georgia)
President's House (Seneca County, Ohio)
President's House (Faulkner County, Arkansas)
President's House (Maricopa County, Arizona)
President's House (Bernalillo County, New Mexico)
President's House, Bluefield State College (Mercer County, West Virginia)
President's House, Gallaudet College (Washington, District of Columbia)
President's House, Marion Institute (Perry County, Alabama)
President's House, Naval War College (Newport County, Rhode Island)
President's House, University of Oklahoma (Cleveland County, Oklahoma)
President's Mansion (Tuscaloosa County, Alabama)
President's Office, George Washington University (Washington, District of Columbia)
Presqui'ile (Charleston County, South Carolina)
Pressey House (Kennebec County, Maine)
Pressey--Eustis House (Middlesex County, Massachusetts)