Biddle House

Listed on the National Register of Historic Places in 1978.

From the record

“Biddle House, also known as the Vandergrift-Biddle House, is a historic home located near Port Penn and St. The house underwent five distinct periods of growth and in the process has grown from a one-room-plan plank house to an extended rambling two-story structure.”
Wikipedia article Biddle House (St. Georges, Delaware), CC BY-SA 4.0.

One of 411 National Register listings published here for New Castle County · listed in 1978 · category: Building.

Sources: the Wikipedia article · the case file at the National Archives · 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. S of St. Georges on U.S. 13, St. Georges, 19709
When was it listed? December 1978
Category. building
Census division. Middletown-Odessa
Architectural style. Federal architecture
National Register reference number. 78000908 - 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.

Mines and quarries near this property

1 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 1 working within 5 miles of Biddle House: 1 plant. All of them still produce. What was taken out: Sulfur. 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
	Delaware Plant Getty	Sulfur	Plant

Every working recorded in New Castle 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
Mondamon Farm	0.3 miles	1985
Liston Ranger Rear Light Station	0.4 miles	1978
Retirement Farm	0.7 miles	1985
Old Ford Dairy (Boundary Increase)	1.2 miles	1986
Old Ford Dairy	1.2 miles	1985
Idalia Manor	1.3 miles	1985

Sources for this property

National Archives record	The nomination case file for reference 78000908 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
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.
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.