Westchester County, New York


Founding: 1683
Parent county: Unorganized territory
Namesake: Chester, England
Seat: Westchester (1683–1758); White Plains (1758–)
Land area: 430 square miles
Population (2020): 1,004,457
Population (historic): 23,978 (1790); 48,686 (1840); 131,348 (1870); 184,257 (1900); 520,947 (1930)
Periods of population growth: pre-1790–1870; 1880–1970; 1980–2020
Subdivisions: Six cities; 23 village; 19 towns
National Register listings: 243
Pre-1940 residences (estimated): 102,897 (26.1%)
Pre-1940 housing survival rate: 66.7%
Pre-1860 housing survival rate (1940): 21.1%
Farm housing in disrepair (1950): 3.4%
Nonfarm housing in disrepair (1950): 3.4%
Average farmhouse value (1930): $9,998
Average outbuilding value (1930): $19,378
Average farmhouse size (1940): 7 rooms
Number of farms (1920): 1,538
Average farm size (1920): 38.1 acres
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White Plains
 
Namesake: Unclear—likely a descriptive name
Founding: pre-1758 (founding); 1797 (post office); 1866 (incorporation)
Population (2020): 59,559
Population (historic): 2,381 (1880); 7,899 (1900); 35,830 (1930)
Periods of population growth: pre-1880–1960; 1980–2020
Pre-1940 residences (estimated): 8,095 (31.6%)
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Outstanding Buildings

  1. *Merestead / William Sloane Estate (1906–1907). 455 Byram Lake Road. Bedford. Georgian Revival.
  2. *Bramblewood / Henry Wood House (1847). 680 Croton Lake Road. Bedford. Gothic Revival.
  3. *Stonecrest / Francis Underhill House (1879/1916). 703 Croton Lake Road. Bedford. Stick.
  4. *John Jay House (1787–1790/1800–1801). 400 Jay Street. Bedford. Federal.
  5. *House (1867). 44 Wood Road. Bedford. Italianate.
  6. *Braewold / James Wood Farm (1870). 241 Wood Road. Bedford. Second Empire.
  7. *Beecher–McFadden House (1875/1920s). 3 Beecher Lane. Cortlandt. Gothic Revival.
  8. *Van Cortlandt–Robertson House (c. 1773/1855). 104 Oregon Road. Cortlandt. Gothic Revival.
  9. *Van Cortlandt Manor (17th century). 525 South Riverside Avenue. Cortlandt.
  10. *John Stevens House (1849–1851). 29 West 4th Street. Eastchester. Greek Revival.
  11. *St. Paul's Episcopal Church (1764–1805). 897 South Columbus Avenue. Eastchester. Georgian.
  12. *Lyndhurst / Paulding–Merritt Estate (1838/1864–1865). 635 South Broadway. Greenburgh. Gothic Revival.
  13. *Nuits / Francis Cottenet House (1852/1858–1859). 2 Clifton Place. Greenburgh. Italianate.
  14. *St. Joseph of Arimathea Episcopal Church (1883/1901). 2172 Sawmill River Road. Greenburgh. Gothic Revival.
  15. *Sunnyside / Washington Irving Estate (1835/1847). 3 West Sunnyside Lane. Greenburgh. Gothic Revival.
  16. *Mead Memorial Chapel (1905–1906). 2 Chapel Road. Lewisboro. Gothic Revival.
  17. *Elbert Mead House (c. 1870). 107 Mead Street. Lewisboro. Italianate.
  18. House (c. 1865). 20 Spring Street. Lewisboro. Second Empire.
  19. *Simeon Brady House (1827 and later). 175 Waccabuc Road. Lewisboro. Federal/Classical Revival.
  20. *Kykuit / John Rockefeller Estate (1913). 381 North Broadway. Mount Pleasant. Classical Revival.
  21. *Anson Phelps House (1851). 707 North Broadway. Mount Pleasant. Italianate.
  22. Elda Castle Ruins / David Abercrombie House (1925–1927). 249 Croton Dam Road. New Castle. Tudor Revival.
  23. *Charles Griffith House (c. 1870). 83 Kipp Street. New Castle. Second Empire.
  24. *Isaac Young House (1872). 114 Pinesbridge Road. New Castle. Second Empire.
  25. *William Sarles Tavern (1814–1817/1830s). Somerstown Turnpike, west of Millwood Road. New Castle. Greek Revival. Razed.
  26. Charles Bailey House (1839). 306 Hardscrabble Road. North Salem. Greek Revival.
  27. *John June House (1846). 85 June Road. North Salem. Greek Revival.
  28. *St. John's Chapel (1916). 724 Titicus Road. North Salem. Gothic Revival.
  29. Charles Clarke House (c. 1875). 42 Old Briarcliff Road. Ossining. Eastlake.
  30. *All Saints Episcopal Church (1848–1854/1911). 201 Scarborough Road. Ossining. Gothic Revival.
  31. *Pelhamdale / Pell–Hay House (c. 1750/1825). 45 Iden Avenue. Pelham. Greek Revival.
  32. *Bolton Priory / Robert Bolton House (1838). 7 Priory Lane. Pelham. Gothic Revival.
  33. Harvey Avery House (c. 1840). 86 Cross River Road. Pound Ridge. Greek Revival.
  34. *William Ward House (1873–1876). 19 Magnolia Drive. Rye. Second Empire/Gothic Revival.
  35. *Peter Jay Estate (1838). 210 Boston Post Road. Rye. Greek Revival.
  36. *Lounsberry / Edward Parsons Estate (1838). 240 Boston Post Road. Rye. Greek Revival.
  37. *Whitby / William Chapman House (1852–1854). 330 Boston Post Road. Rye. Gothic Revival.
  38. *Knapp–Halsted House (c. 1670/1750). 265 Rye Beach Avenue. Rye.
  39. *Muscoot Farm / Ferdinand Hopkins Farm (c. 1880/1898/1925). 51 Somerstown Turnpike. Somers. Classical Revival.
  40. *Harvey Todd House (c. 1860). 189 Somerstown Turnpike. Somers. Italianate.
  41. *Gerard Crane Farm (1849). 413 US Highway 202. Somers. Greek Revival.
  42. *William Thompson Estate (1912). 1097 North Broadway. Yonkers. Renaissance Revival.
  43. *Amawalk Friends Meeting House (1831). 2467 Quaker Church Road. Yorktown. Italianate.
  44. *Floral Villa / Underhill Farm (1828/1881). 370 Underhill Avenue. Yorktown. Italianate.








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