The Octagon House

historic house in Washington, D.C.
Place single_family_detached_home Q7754672
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The Octagon House

Summary

The Octagon House is a single-family detached home[1]. It ranks in the top 2% of single_family_detached_home entities by monthly Wikipedia readership (347 views/month).[2]

Key Facts

  • The Octagon House is located in Washington, D.C.[3].
  • The Octagon House is in the country of United States[4].
  • The Octagon House's instance of is recorded as single-family detached home[5].
  • The Octagon House's architect is recorded as William Thornton[6].
  • The Octagon House's commissioned by is recorded as John Tayloe III[7].
  • The Octagon House is owned by American Institute of Architects[8].
  • The Octagon House's architectural style is recorded as Federal architecture[9].
  • The Octagon House is made of brick[10].
  • The Octagon House is used for museum[11].
  • The Octagon House's Commons category is recorded as Octagon House (Washington, D.C.)[12].
  • 1799 marks the founding of The Octagon House[13].
  • The Octagon House's coordinate location is recorded as {'latitude': 38.8963, 'longitude': -77.0415}[14].
  • The Octagon House's located on street is recorded as New York Avenue[15].
  • The Octagon House's floors above ground is recorded as {'amount': '+3'}[16].
  • The Octagon House's heritage designation is recorded as National Historic Landmark[17].
  • The Octagon House's heritage designation is recorded as National Register of Historic Places listed place[18].
  • The Octagon House's street address is recorded as 1799 New York Avenue NW, Washington, DC 20006[19].

Body

Geography

The Octagon House is in the country of United States[4]. It is located in Washington, D.C.[3].

Designation and Status

The Octagon House's instance of is recorded as single-family detached home[5]. Heritage statuses include National Historic Landmark[17] and National Register of Historic Places listed place[18].

History and Context

1799 marks the founding of The Octagon House[13]. It is owned by American Institute of Architects[8].

Why It Matters

The Octagon House ranks in the top 2% of single_family_detached_home entities by monthly Wikipedia readership (347 views/month).[2] It is known by 4 alternative names across languages and contexts.[20]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [6] ↑ . wikidata.org.
  4. [7] ↑ . wikidata.org.
  5. [8] ↑ . wikidata.org.
  6. [3] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [20] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). The Octagon House. Retrieved October 7, 2026, from https://4ort.xyz/entity/the-octagon-house
MLA “The Octagon House.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 Oct. 2026, https://4ort.xyz/entity/the-octagon-house.
BibTeX @misc{4ortxyz_the-octagon-house_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{The Octagon House}}, year = {2026}, url = {https://4ort.xyz/entity/the-octagon-house}, note = {Accessed: 2026-10-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): The Octagon House — https://4ort.xyz/entity/the-octagon-house (retrieved 2026-10-07)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 29d ago · IdeasMagnet · 2026-09-07 view diff on Wikidata ↗
    Openstreetmap way id → 65780799
    "/* wbsetclaim-create:2||1 */ [[Property:P10689]]: 65780799, Adding OSM way id claim from wikidata tag on way/65780799 in United States"
  2. 16w ago · RVA2869 · 2026-06-17 view diff on Wikidata ↗
    Architectural style → Federal architecture
    Located on street → New York Avenue
    Country → —
    Architect → William Thornton
    + 19 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37008|batch #37008]]: Remove redundant P30 from buildings"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.