Pitman Grove (Gloucester County, New Jersey)
Pitot House (Orleans Parish, Louisiana)
Pitre, Vic House (Jefferson Parish, Louisiana)
Pittenger Cottage (Essex County, New York)
Pittock House (Clark County, Washington)
Pittock Mansion (Multnomah County, Oregon)
Pitts Neck (Accomack County, Virginia)
Pitts' Folly (Perry County, Alabama)
Pitts-Inge (Charlottesville, Virginia)
Pittsford Green Historic District (Rutland County, Vermont)
Pitzer House (Los Angeles County, California)
Plain Dealing (Albemarle County, Virginia)
Plain Farm House (Providence County, Rhode Island)
Planter's Cabin (East Baton Rouge Parish, Louisiana)
Plashbourne Estate (Westchester County, New York)
Plaster House (New Haven County, Connecticut)
Platt-Cady Mansion (Tioga County, New York)
Platts-Bradstreet House (Essex County, Massachusetts)
Players, The (New York County, New York)
Plaza de San Luis de la Culebra (Costilla County, Colorado)
Pleasant Green (Cooper County, Missouri)
Pleasant Grove (Roanoke County, Virginia)
Pleasant Grove (Jessamine County, Kentucky)
Pleasant Grove (Halifax County, Virginia)
Pleasant Hill (Clermont County, Ohio)
Pleasant Hill (Adams County, Mississippi)
Pleasant Hill (Wilkinson County, Mississippi)
Pleasant Hill (Charles County, Maryland)
Pleasant Hill Plantation (Chester County, Pennsylvania)
Pleasant Hill/Hawkins House (Vance County, North Carolina)
Pleasant Hills (Prince George's County, Maryland)
Pleasant Home (Cook County, Illinois)
Pleasant L. Matthews House (Hamilton County, Tennessee)
Pleasant Lawn (Woodford County, Kentucky)
Pleasant Prospect (Prince George's County, Maryland)
Pleasant Run Stone House I (Kenton County, Kentucky)
Pleasant Run Stone House II (Kenton County, Kentucky)
Pleasant Vale (Boyle County, Kentucky)
Pleasant View (Chesterfield County, Virginia)
Pleasant View (Bedford County, Virginia)
Pleasant View Plantation House (Pointe Coupee Parish, Louisiana)
Pleasants House (Suffolk County, New York)
Pleasants Ranch (Solano County, California)
Plehwe Complex (Bexar County, Texas)
Plimpton, Simon, Farmhouse (Worcester County, Massachusetts)
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)
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)
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)
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)
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)
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)
Pope House (Sampson County, North Carolina)
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, 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-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, 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, 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)