Witthoefft House

Listed on the National Register of Historic Places in 2011. 12 historic topographic surveys show this location, the earliest from 1892.

From the record

“Witthoefft House is a historic home located at Armonk, Westchester County, New York. It was built in 1957, and is an International Style dwelling on a concrete slab foundation and stone covered concrete retaining walls.”
Wikipedia article Witthoefft House, CC BY-SA 4.0.

One of 250 National Register listings published here for Westchester County · listed in 2011 · category: Building.

Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

The listing

What is counted as historic. The nomination lists 1 building as contributing to the listing.
Address. 11 Tallwood Rd, Armonk, 10504
When was it listed? February 2011
Category. building
Town. North Castle town
Architectural style. International Style
National Register reference number. 11000039 - the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.

Then and now

1892 to 1998

The ground this property stands on, surveyed 106 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet covering Witthoefft House, surveyed 1998

Topographic sheet covering Witthoefft House, surveyed 1892

Fires near this property

350 since 2000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 350 fires within 5 miles of Witthoefft House between 2000 and 2020, burning about 315 acres in total. 55 started naturally. 22 were recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause	Fires
Missing data/not specified/undetermined	144
Natural	55
Recreation and ceremony	33
Smoking	28
Debris and open burning	25
Arson/incendiarism	22
Power generation/transmission/distribution	20
Equipment and vehicle use	20
Misuse of fire by a minor	3

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

Date	Cause	Size	Reported by	Name on the report
8 September 2010	Debris and open burning	under an acre	Fire Department of New York	not named
8 September 2007	Missing data/not specified/undetermined	under an acre	Fire Department of New York	not named
7 September 2007	Missing data/not specified/undetermined	under an acre	Fire Department of New York	not named
5 September 2016	Debris and open burning	3.8 acres	Fire Department of New York	N/A
5 September 2014	Missing data/not specified/undetermined	under an acre	Fire Department of New York	not named
5 September 2008	Power generation/transmission/distribution	under an acre	Fire Department of New York	not named
4 September 2016	Smoking	under an acre	Fire Department of New York	N/A
4 September 2014	Missing data/not specified/undetermined	under an acre	Fire Department of New York	not named

Every fire recorded in Westchester County

Mines and quarries near this property

6 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 6 workings within 5 miles of Witthoefft House: 5 past producers, 1 producer. 1 still produces. What was taken out: Iron, Granite, Peat. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Site	Commodity	Status	Recorded
Armonk Plant	Peat	Past Producer	Peat
Lake Street Granite Mine	Granite	Producer
Lake Street Granite Quarry	Granite	Past Producer	Granite
Ackerman's Limonite Mine	Iron	Past Producer	Limonite
Ackerman's Limonite Mine	Iron	Past Producer	Residual
Ackerman's Limonite Mine	Iron	Past Producer

Every working recorded in Westchester County

Storms near this property

9 since 1998

Regional context, not property-specific evidence. The National Weather Service names Armonk, the town this property stands in, in 9 storm reports between 1998 and 2024: 6 thunderstorm wind, 1 hail, 1 lightning, 1 flash flood. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

When	Event	Place named	Harm	What the report says
May 2018	Thunderstorm Wind	Armonk	$3,000	Multiple trees were reported down across the town.
August 2024	Thunderstorm Wind	Armonk	$1,000	Large tree down blocking the left exit lane on Interstate 684 southbound just north of Route 22.
July 2020	Thunderstorm Wind	Armonk	$1,000	Downed tree on NY 120 both directions north of Armonk-Bedford Rd.
June 2011	Thunderstorm Wind	Armonk	$750	A tree was reported down on Whippoorwill Crossing in Armonk.
August 2003	Flash Flood	Armonk	-	no account filed
August 2001	Thunderstorm Wind	Armonk	-	no account filed
September 1998	Thunderstorm Wind	Armonk	-	no account filed
May 1998	Hail	Armonk	-	no account filed
July 1998	Lightning	Armonk	-	no account filed

Every storm recorded in Westchester County

Maps showing this location

12 surveys

United States Geological Survey topographic sheets whose coverage includes this point. Matched by taking the coordinate the National Park Service records for this property, then testing that coordinate against the published boundary of every sheet.

1892 USGS Stamford quadrangle1:62500
1893 USGS Stamford quadrangle1:62500
1899 USGS Stamford quadrangle1:62500 - 13 printings
1947 USGS Hartford quadrangle1:250000 - 2 printings
1948 USGS Hartford quadrangle1:250000 - 2 printings
1955 USGS Mount Kisco quadrangle1:24000 - 5 printings
1961 USGS Hartford quadrangle1:250000
1962 USGS Hartford quadrangle1:250000 - 3 printings
1965 USGS Hartford quadrangle1:250000 - 2 printings
1982 USGS Mount Kisco quadrangle1:24000
1986 USGS Bridgeport quadrangle1:100000 - 3 printings
1998 USGS Mount Kisco quadrangle1:24000

Listed places nearby

6 within 8 miles

Other National Register properties close enough to walk or drive between, ordered by distance from this one. Both positions come from the same geocoding pass that matched these properties to their map sheets.

Property	Distance	Listed
Usonia Historic District	0.6 miles	2012
Bedford Road Historic District	1.3 miles	1985
Smith Tavern	2.2 miles	1983
Rehoboth	2.5 miles	1979
Church of Saint Mary the Virgin and Greeley Grove	2.6 miles	1979
St. John's Episcopal Church	2.7 miles	2017

Sources for this property

National Archives record	The nomination case file for reference 11000039 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Westchester County	All 250 listed properties in this county.

Provenance

Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.