Photograph of East Hill House and Carriage House — Photograph by EastHillHouse, CC BY-SA 4.0. Via Wikimedia Commons.

East Hill House and Carraige House

Listed on the National Register of Historic Places in 1999.

From the record

“The East Hill House and Carriage House, also known as the Decker French Mansion, is a historic property located in Riverdale, Iowa, United States. The Georgian Revival style residence and its carriage house have been listed on the National Register of Historic Places since 1999.”
Wikipedia article East Hill House and Carriage House, CC BY-SA 4.0.

One of 296 National Register listings published here for Scott County · listed in 1999 · 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 2 buildingss, 1 site, 1 structure as contributing to the listing.
Address. 5004 State St., Riverdale, 52722
When was it listed? November 1999
Category. building
Township. Pleasant Valley township
Architectural style. Georgian architecture
Architect. Howard Van Doren Shaw
National Register reference number. 99001384 - 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

3 since 2006

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 3 fires within 5 miles of East Hill House and Carraige House between 2006 and 2011, burning about 10 acres in total. None started naturally. None was 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	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
3 April 2011	Missing data/not specified/undetermined	10 acres	Iowa Department of Natural Resources	H AVE AND E 49, IA
22 March 2007	Missing data/not specified/undetermined	under an acre	Iowa Department of Natural Resources	not named
6 February 2006	Missing data/not specified/undetermined	under an acre	Iowa Department of Natural Resources	not named

Every fire recorded in Scott County

Mines and quarries near this property

2 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 2 workings within 5 miles of East Hill House and Carraige House: 2 past producers. None of them still produces. What was taken out: Stone, Crushed/Broken. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Where	Site	Commodity	Status	Recorded
	Bettendorf Stone Co. Quarry	Stone, Crushed/Broken	Past Producer
	Unknown	Stone, Crushed/Broken	Past Producer

Every working recorded in Scott County

Storms near this property

3 since 2019

Regional context, not property-specific evidence. The National Weather Service names Riverdale, the town this property stands in, in 3 storm reports between 2019 and 2023: 2 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
April 2023	Flood	Riverdale	-	The Mississippi River at Rock Island Lock and Dam 15 rose above its major flood stage of 18.0 feet around mid day on April 24th and continued to rise to its crest of 21.41 on the evening of April 30th.
July 2020	Thunderstorm Wind	Riverdale	-	A few 2-3 inch tree branches blown down.
March 2019	Flood	Riverdale	-	Heavy rain and snow melt across the region caused the Mississippi River to rise above major flood stage of 18.0 feet on March 23rd, and remain above flood stage through the end of the month. The initial crest during this period was around 18.50 feet around noon on the 25th.

Every storm recorded in Scott County

Map coverage status

No historic map-sheet match is published for this property yet. That does not mean no map exists. This record needs a coordinate-quality review before it can be joined to a sheet boundary. Browse the county's mapped places while that work is pending.

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
James Brown House	0.5 miles	1982
Joseph F. Bettendorf House	2.3 miles	1983
Bettendorf-Washington School	2.3 miles	1984
Regina Coeli Monastery	2.5 miles	1994
Roswell Spencer House	2.9 miles	1982
McKinley Elementary School	3.6 miles	2002

Sources for this property

National Archives record	The nomination case file for reference 99001384 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Scott County	All 296 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.