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Rockwood Estate Historic District (Boundary Decrease)
Photo: Smallbones, Public domain, via Wikimedia Commons · tap to enlarge
National Register of Historic Places

Rockwood Estate Historic District (Boundary Decrease)

Also known as Rockwood; Rockwood Park and Museum

A district of 4 historic buildingsOn the Register since 2023
Rural GothicListed 2023Wilmington
DirectionsAdd an old photo

Many listed buildings are private homes. Please enjoy them from the street.

About

About the district

Rockwood Estate Historic District (Boundary Decrease), at 4651 Washington St. Extension, was added to the National Register of Historic Places on Apr 19, 2023. The Register lists it for its landscape design, architecture and social history, at the state level. The district takes in 4 historic buildings. The listing covers 73.5 acres.

What it isBuilding in Delaware, United States. From Wikidata (CC0). Read about it on Wikipedia ↗

PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 72 MB · National Archives↗
Through the years

1851 to today

  1. 1851Built
  2. 2023Added to the National Register of Historic Places
  3. 2026On the Register for 3 years
Visit

Make it a walk: 2 landmarks in about 10 minutes

4651 Washington St. Extension, Wilmington · about 0.2 miles on foot, as the crow flies

DirectionsWalk the tour in Google Maps
  1. 1Rockwood Estate Historic District (Boundary Decrease)Start here
  2. 2LaurelBuilt 1956 · 0.2 mi on
Around it

14 more Register listings within 2 miles

★ National Historic Landmark · D district · B building · S site. Each opens its own page.

BDupont, P. S., High SchoolGeorgian0.9 miSRiverview Cemetery Company of Wilmington, DelawareLate 19th Century and Early 20th Century Revivals1 miBNewark Union Church and CemeteryBuilding1 miBMarcus Hook Range Rear LightLighthouse · Built 19151.2 miBIndependence MallBuilding1.4 mi★Lombardy HallBuilding1.4 miBRosemontLate 19th Century Vernacular with Eclectic Details1.6 miDBaynard Boulevard Historic DistrictEclecticism1.7 miBMount Pleasant Methodist Episcopal Church and ParsonageMid-19th Century1.7 miDBrandywine Village Historic DistrictDistrict1.8 miDEast Brandywine Historic DistrictStick Style1.9 miDBrandywine Village Historic District (Boundary Increase)District1.9 miSBrandywine ParkSite2 miBAugustine Paper MillBuilding2 mi

Memories of Rockwood Estate Historic District (Boundary Decrease)

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Questions about Rockwood Estate Historic District (Boundary Decrease)

Is Rockwood Estate Historic District (Boundary Decrease) on the National Register of Historic Places?

Yes. It was added on Apr 19, 2023 (Register number 76000579).

Is Rockwood Estate Historic District (Boundary Decrease) a National Historic Landmark?

No. It is on the National Register; Delaware has 14 National Historic Landmarks. The nearest is Lombardy Hall, 1.4 miles away.

Can you visit Rockwood Estate Historic District (Boundary Decrease)?

Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.

Where can I read the history of Rockwood Estate Historic District (Boundary Decrease)?

In its National Register nomination, the form that put it on the Register: a 72 MB PDF at the National Archives, linked on this page.

Sources: National Park Service, National Register of Historic Places (05/22/2026) · National Archives catalog record 75324289 · Wikidata. Map tiles © OpenStreetMap contributors.