William Floyd House

Listed on the National Register of Historic Places in 1980. 10 historic topographic surveys show this location, the earliest from 1904.

From the record

“William Floyd House, also known as Nicoll Floyd House and Old Mastic House, was a home of Founding Father William Floyd, a signer of the United States Declaration of Independence, in Mastic Beach, New York. William Floyd House, his later home in Westernville, New York, that is also on the National Register and which was designated a National Historic Landmark.”
Wikipedia article William Floyd House, CC BY-SA 4.0.

One of 338 National Register listings published here for Suffolk County · listed in 1980 · category: Building.

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

The listing

Listed as. Floyd, William, House - the National Register files a house under its owner's surname.
Address. 20 Washington Ave., Mastic Beach, 11951
When was it listed? October 1980
Category. building
Town. Brookhaven town
National Register reference number. 71000066 - 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.

Fires near this property

495 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 495 fires within 5 miles of William Floyd House between 1992 and 2020, burning about 349 acres in total. 27 started naturally. 116 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	283
Arson/incendiarism	116
Natural	27
Equipment and vehicle use	26
Smoking	23
Recreation and ceremony	9
Debris and open burning	3
Power generation/transmission/distribution	3
Misuse of fire by a minor	2
Fireworks	1
Railroad operations and maintenance	1
Other causes	1

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
9 September 2012	Missing data/not specified/undetermined	under an acre	Fire Department of New York	not named
8 September 2010	Missing data/not specified/undetermined	under an acre	Fire Department of New York	not named
7 September 2019	Missing data/not specified/undetermined	under an acre	Fire Department of New York	N/A
7 September 2015	Arson/incendiarism	under an acre	Fire Department of New York	NA
6 September 2015	Missing data/not specified/undetermined	under an acre	Fire Department of New York	N/A
6 September 2014	Missing data/not specified/undetermined	under an acre	Fire Department of New York	N/A
6 September 2010	Missing data/not specified/undetermined	under an acre	Fire Department of New York	not named
6 September 2005	Missing data/not specified/undetermined	under an acre	Fire Department of New York	not named

Every fire recorded in Suffolk County

Storms near this property

3 since 1995

Regional context, not property-specific evidence. The National Weather Service names Mastic Beach, the town this property stands in, in 3 storm reports between 1995 and 2019: 1 thunderstorm wind, 1 hail, 1 funnel cloud. 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
September 2019	Funnel Cloud	Mastic Beach	-	Funnel cloud sighted to the north from Smith Point, exact location unknown, time estimated.
July 2010	Hail	Mastic Beach	-	no account filed
October 1995	Thunderstorm Wind	Mastic Beach	-	no account filed

Every storm recorded in Suffolk County

Maps showing this location

10 surveys

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

1904 USGS Moriches quadrangle1:62500 - 2 printings
1949 USGS New York quadrangle1:250000
1954 USGS New York quadrangle1:250000 - 2 printings
1957 USGS Moriches quadrangle1:24000
1957 USGS New York quadrangle1:250000
1958 USGS New York quadrangle1:250000 - 3 printings
1960 USGS New York quadrangle1:250000 - 2 printings
1967 USGS Moriches quadrangle1:24000 - 2 printings
1969 USGS New York quadrangle1:250000
1984 USGS Long Island East quadrangle1:100000 - 3 printings

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
Masury Estate Ballroom	1.3 miles	1986
Mary E. Bell House (Additional Documentation)	3.0 miles	2020
Terry-Ketcham Inn	3.3 miles	1993
ELVIRA (sloop)	4.1 miles	2012
Bellport Village Historic District	6.2 miles	1980
Bellport Academy	6.2 miles	1980

Sources for this property

National Archives record	The nomination case file for reference 71000066 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Suffolk County	All 338 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.
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.