BlockFrom the record
One of 411 National Register listings published here for New Castle County · listed in 2017 · category: Building.
Sources: the National Register database, National Park Service
Holly Oak
Listed on the National Register of Historic Places in 2017.
The listing
- What is counted as historic. The nomination lists 2 structuress, 1 building as contributing to the listing.
- Address. 1503 Ridge Rd., Claymont, 19809
- When was it listed? April 2017
- Category. building
- Census division. Brandywine
- Architectural style. American colonial architecture
- National Register reference number. 100000843 - assigned by the National Park Service when the property was listed.
Fires near this property
3 since 2003Regional context, not property-specific evidence. The federal wildfire occurrence database lists 3 fires within 5 miles of Holly Oak between 2003 and 2014, burning about 472 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 | 2 |
| 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 |
|---|---|---|---|---|
| 2 April 2003 | Missing data/not specified/undetermined | 1.3 acres | Pennsylvania Division of Forest Fire Protection | not named |
| 19 April 2014 | Other causes | under an acre | New Jersey Forest Fire Service | not named |
| 19 December 2006 | Missing data/not specified/undetermined | 470 acres | New Jersey Forest Fire Service | not named |
Mines and quarries near this property
6 within 5 milesRegional context, not property-specific evidence. The federal mineral resources record lists 6 workings within 5 miles of Holly Oak: 4 plants, 2 past producers. 4 still produce. What was taken out: Chromium, Titanium, Fluorine-Fluorite, Titanium, Pigment. 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 |
|---|---|---|---|---|
| American Minerals/ Wilmington, De. | Chromium | Past Producer | ||
| Edgemoor Plant Ti | Titanium, Pigment | Plant | 1956 | |
| Phoenix Steel/ Claymont, De. | Iron | Plant | ||
| Wilmington Plant Dupont | Titanium | Plant | ||
| Wilmington Plantozark-Mahoning | Fluorine-Fluorite | Plant | ||
| Winzinger Pit | Sand and Gravel, Construction | Past Producer |
Storms near this property
9 since 2002Regional context, not property-specific evidence. The National Weather Service names Claymont, the town this property stands in, in 9 storm reports between 2002 and 2025: 5 thunderstorm wind, 2 hail, 2 flash flood. The reports record 1 injury. 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 2019 | Thunderstorm Wind | Claymont | 1 hurt | A tree fell onto a tent at a church festival. The tree struck and injured a musician playing inside the tent at the time. Time estimated from radar. |
| July 2025 | Flash Flood | Claymont | $20,000 | Flash flooding was reported causing several road closures with vehicles stranded. |
| August 2024 | Thunderstorm Wind | Claymont | - | Trees and wires down around Claymont. Time estimated from radar. |
| June 2023 | Flash Flood | Claymont | - | At least 20 vehicles were stranded in flood waters in Claymont. Some water rescues were required. |
| June 2023 | Thunderstorm Wind | Claymont | - | Thunderstorm wind gusts downed multiple trees in Claymont. |
| February 2020 | Thunderstorm Wind | Claymont | - | Several reports of downed trees in the area. Time estimated from radar. |
| August 2011 | Hail | Claymont | - | Half dollar size hail fell from a severe thunderstorm in Brandywine Hundred. |
| August 2011 | Hail | Claymont | - | A severe thunderstorm dropped quarter size hail in Claymont (Brandywine Hundred). |
| August 2002 | Thunderstorm Wind | Claymont | - | no account filed |
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 milesOther 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.
| Photograph | Property | Distance | Listed |
|---|---|---|---|
 | Mount Pleasant Methodist Episcopal Church and Parsonage | 0.7 miles | 1998 |
 | Rosemont | 1.0 miles | 2009 |
 | Archmere | 1.8 miles | 1992 |
| Newark Union Church and Cemetery | 1.9 miles | 2020 | |
 | Naaman's Creek School | 1.9 miles | 1990 |
 | Darley House | 2.0 miles | 1973 |
Sources for this property
| National Archives record | The nomination case file for reference 100000843 in Record Group 79. |
| New Castle County | All 411 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.