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].

Key Facts

  • The Octagon House is located in Washington, D.C.[2].
  • The Octagon House is in the country of United States[3].
  • The Octagon House is on the continent of North America[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 {'lat': 38.8963, 'lon': -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 {'lang': 'en', 'text': '1799 New York Avenue NW, Washington, DC 20006'}[19].

Body

Geography

The Octagon House is in the country of United States[3]. It is located in Washington, D.C.[2]. It is on the continent of North America[4].

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].

References

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

Direct Wikidata claims

  1. [3] . archINFORM. Retrieved . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . archINFORM. Retrieved . wikidata.org.
  4. [6] . National Register of Historic Places. wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [2] . wikidata.org.
  8. [9] . wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . wikidata.org.
  12. [13] . wikidata.org.
  13. [14] . wikidata.org.
  14. [15] . wikidata.org.
  15. [16] . wikidata.org.
  16. [17] . wikidata.org.
  17. [18] . National Register of Historic Places. wikidata.org.
  18. [19] . npgallery.nps.gov. npgallery.nps.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). The Octagon House. Retrieved May 3, 2026, from https://4ort.xyz/entity/the-octagon-house
MLA “The Octagon House.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 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: 2026-05-03}}
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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. 4w 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"
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