Main School

Built in 1912 (Colonial Revival architecture). Listed on the National Register of Historic Places in 2015. 18 historic topographic surveys show this location, the earliest from 1891.

From the record

“Main School, also known as the Suffern Central School District Administration Building, is a historic school building located at Hillburn, Rockland County, New York. It was built in 1912, and is a two-story hollow tile and concrete building covered in stucco and set on a raised basement.”
Wikipedia article Main School (Hillburn, New York), CC BY-SA 4.0.

One of 93 National Register listings published here for Rockland County · listed in 2015 · category: Building · built in 1912, Colonial Revival architecture.

Sources: the Wikipedia article · the National Register database, National Park Service · the Wikipedia article

The listing

What is counted as historic. The nomination lists 1 building as contributing to the listing.
Address. 45 Mountain Ave., Hillburn, 10931
When was it listed? August 2015
Category. building
Town. Ramapo town
When was it built? 1912
Architectural style. Colonial Revival architecture
National Register reference number. 15000516 - assigned by the National Park Service when the property was listed.

Then and now

1891 to 1995

The ground this property stands on, surveyed 104 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet covering Main School, surveyed 1995

Topographic sheet covering Main School, surveyed 1891

Fires near this property

783 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 783 fires within 5 miles of Main School between 1992 and 2020, burning about 1,909 acres in total. 32 started naturally. 83 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	405
Smoking	123
Arson/incendiarism	83
Recreation and ceremony	71
Natural	32
Debris and open burning	24
Equipment and vehicle use	18
Misuse of fire by a minor	10
Other causes	7
Power generation/transmission/distribution	7
Railroad operations and maintenance	2
Fireworks	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 2015	Missing data/not specified/undetermined	under an acre	Fire Department of New York	NA
9 September 2007	Missing data/not specified/undetermined	under an acre	Fire Department of New York	not named
9 September 2001	Smoking	under an acre	Fire Department of New York	not named
8 September 2019	Missing data/not specified/undetermined	under an acre	Fire Department of New York	N/A
7 September 2005	Debris and open burning	under an acre	Fire Department of New York	not named
6 September 2016	Recreation and ceremony	under an acre	New Jersey Forest Fire Service	not named
6 September 2010	Missing data/not specified/undetermined	under an acre	Fire Department of New York	not named
6 September 2007	Missing data/not specified/undetermined	under an acre	Fire Department of New York	not named

Every fire recorded in Rockland County

Mines and quarries near this property

10 of 12 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 12 workings within 5 miles of Main School: 9 past producers, 2 producers, 1 prospect. 2 still produce. What was taken out: Iron, Sand and Gravel, Construction, Stone, Crushed/Broken, Graphite. 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
Suffern Deposit	Graphite	Prospect
Suffern Quarry	Stone, Crushed/Broken	Producer
McKee Bros Sand and Gravel Inc	Sand and Gravel, Construction	Past Producer	Sedimentary
Mount Ivy Pit and Plant	Sand and Gravel, Construction	Past Producer	Sedimentary
Mount Ivy Sand and Gravel Pit	Sand and Gravel, Construction	Producer
Bering Mine	Iron	Past Producer
Bering/Morehead Mines	Iron	Past Producer	Magnetite
Butler Mine	Iron	Past Producer	1868, 1880
Hope Mines	Iron	Past Producer	1760
Morehead Mine	Iron	Past Producer

Every working recorded in Rockland County

Storms near this property

3 since 2000

Regional context, not property-specific evidence. The National Weather Service names Hillburn, the town this property stands in, in 3 storm reports between 2000 and 2015: 2 flash flood, 1 thunderstorm wind. 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
July 2015	Flash Flood	Hillburn	-	Fourth Street was closed near I-87 in Hillburn due to flash flooding.
June 2001	Flash Flood	Hillburn	-	no account filed
June 2000	Thunderstorm Wind	Hillburn	-	no account filed

Every storm recorded in Rockland County

Maps showing this location

18 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.

1891 USGS Ramapo quadrangle1:62500
1893 USGS Ramapo quadrangle1:62500 - 6 printings
1910 USGS Ramapo quadrangle1:62500 - 6 printings
1931 USGS Ramapo quadrangle1:62500 - 2 printings
1931 USGS Ramapo quadrangle1:48000
1936 USGS Ramsey quadrangle1:24000
1938 USGS Ramapo quadrangle1:62500 - 3 printings
1940 USGS Ramsey quadrangle1:31680 - 2 printings
1943 USGS Ramsey quadrangle1:24000 - 2 printings
1945 USGS Ramsey quadrangle1:31680 - 2 printings
1950 USGS Scranton quadrangle1:250000
1953 USGS Scranton quadrangle1:250000
1955 USGS Ramsey quadrangle1:24000 - 3 printings
1959 USGS Scranton quadrangle1:250000 - 2 printings
1962 USGS Scranton quadrangle1:250000 - 2 printings
1965 USGS Scranton quadrangle1:250000 - 2 printings
1986 USGS Middletown quadrangle1:100000 - 2 printings
1995 USGS Ramsey 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
Brook Chapel	0.2 miles	2010
US Post Office-Suffern	1.1 miles	1989
Torne Brook Farm	1.1 miles	1988
Washington Avenue Soldier's Monument and Triangle	1.3 miles	2006
Sloat House	2.2 miles	1974
Old Sloatsburg Cemetery	2.4 miles	1999

Sources for this property

National Archives record	The nomination case file for reference 15000516 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Rockland County	All 93 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.