The Planning Department provides the following information and services related to historic preservation activities in the county: 

  • Incorporate historic preservation issues into Planning Board Report and Capital Planning process.
  • Develop appropriate treatment of significant buildings and sites.
  • Monitor design and construction of Capital projects to assure protection of historic character to greatest degree possible.
  • Facilitate New York State Historic Preservation Office Review of projects.
  • Maintain county wide list and map of properties on the New York State and National Registers of Historic Places, and list of sites on the Westchester Inventory of Historic Places list updated July 2018.
  • Implement special historic preservation projects as directed by the County Executive.
  • Coordinate efforts of citizen groups such as the Bronx River Parkway Reservation Conservancy.

County Properties listed on the National Register of Historic Places 

  • Playland (National Historic Landmark)
  • Jay Property (part of National Historic Landmark Boston Post Road Historic District and owned together with NY State Parks, and managed by Jay Heritage Center)
  • Marshlands (part of National Historic Landmark Boston Post Road Historic District)
  • Hartford House (National Historic Landmark)
  • Bronx River Parkway Reservation, including County Center and Kensico Dam Plaza
  • Tarrytown Lighthouse
  • Merestead (entire property)
  • Miller Farmhouse (entire property)

 County Properties eligible for listing on the National Register

  • Mamaroneck Sewage Treatment Plant
  • North Yonkers Pump Station
  • Muscoot (entire property)
  • Glen Island Park – 1870’s Castles, 1925 Bridge and Bridge House, 1920’s Seawall
  • Croton Point Park – all 19th Century Buildings and Structures, all archeologically sensitive areas
  • Hutchinson District Wastewater Pump Station
  • Deck Truss Bridge on the South County Trailway
  • Tibbetts Park – Landscape, 1920’s Boathouse, 1920’s Gazebo, 1928 Bathhouse

County Park Properties that “Appear to Have Significance” as identified in the 1998 PRC parks inventory 

  • Lenoir – Landscape, Mansion, Nature Center, Gazebo, Garage
  • Blue Mountain Reservation – Comfort Stations, Trail Lodge, Maintenance Building, Residence/Trail Lodge, Office
  • Cranberry Lakes – Quarry
  • Croton Gorge Park
  • Dunwoodie Golf Course – 1931 Clubhouse and Starter House, landscape
  • George’s Island
  • Kingsland Point Park – 1926 Maintenance Building, Bathhouses
  • Lasdon – Landscape, Main House, Pool House, Greenhouse, Pump House, Spring House
  • MapleMoor Golf Course – Landscape, 1927 Maintenance Building, 1920’s Clubhouse
  • Mohansic Golf Course – 1925 Maintenance Building, 1880’s Shops, 1925 Pro Shop and  Starter House
  • Mountain Lakes
  • North County Trail
  • Ridge Road Park
  • Silver Lake Park
  • V.E. Macy Park Building
  • Ward Pound Ridge Reservation -  Landscape, 1902 Maintenance Building, 1720’s Office, 1937 Museum, 1930’s Lean-to’s, 1902 Maintenance Shed
  • Willson's Woods – 1920’s Filter Building and Bathhouse/Residence

For further information, contact Ted Leimbach by e-mail at .

Additional preservation resources
Westchester County Archives
Westchester County Historical Society
New York State Office of Parks, Recreation and Historic Preservation
Preservation League of New York State
NPS Preservation Briefs
National Register of Historic Places
National Historic Landmark Program
Advisory Council on Historic Preservation
National Trust for Historic Preservation
Stone Wall Initiative
Stonewalling: Strategies Regarding Stonewall Preservation (2003 conference)
Sing Sing Museum