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Recorded land boundary changes in Washington, DC

Explore 23,886 source records for Recorded land boundary changes in Washington, DC. View the map or download the GeoJSON snapshot.

District of Columbia Prepared by Draw on a Map on 2026-10-09. All source fields retained. See the dataset notes for geometry repairs and reduced detail.

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The table shows up to eight fields. The download keeps all fields and the original geometry.

About this dataset

  • Snapshot prepared on 2026-10-09. This is not a live service. The source update date can be earlier.
  • All 23,886 records in the reviewed snapshot are retained, with all source fields and record IDs. This layer is not a complete inventory of all places in the region.
  • Source coordinates use WGS84. Altitude and measure values are omitted.
  • 4 invalid source geometries were repaired with Shapely linework make_valid. Polygon holes and collapsed lines or points are retained. Repair can change filled areas where source rings cross or overlap.
  • Geometry was simplified locally with a 0.0005 degree tolerance and topology preservation. Records that could not be simplified to valid geometry retain their repaired geometry.
  • This map is for overview use. Do not use it for precise boundary measurement.
  • Original source metadata and reuse evidence: https://drawonamap.com/library/sources/government-2026-10/recorded-land-boundary-changes-in-washington-dc-5bf66bde.json
  • Credit the source and link to CC BY 4.0.
  • State that the geometry and properties were converted or simplified.
  • The dataset has 3 download files. Open map loads all parts together. Keep all parts for a complete copy.

Source and licence

Office of the Chief Technology Officer / DC GIS

Licence: CC-BY-4.0

GeoJSON download details

The downloads include all 23,886 features as area groups, areas. Coordinates use longitude and latitude in WGS84.

The preparation date is when we prepared this dataset. Read the source notes for the dates covered by the data.

GeoJSON fields 33
RECORDATION_DT
Recordation Date. Source field from Office of the Chief Technology Officer / DC GIS.
SQUARE
Square. Source field from Office of the Chief Technology Officer / DC GIS.
SUFFIX
Suffix. Source field from Office of the Chief Technology Officer / DC GIS.
PAR
Parcel. Source field from Office of the Chief Technology Officer / DC GIS.
LOT
Lot. Source field from Office of the Chief Technology Officer / DC GIS.
LOT_TYPE
Lot Type. Source field from Office of the Chief Technology Officer / DC GIS.
UNDERLIES_CONDO
Underlies Condo. Source field from Office of the Chief Technology Officer / DC GIS.
CONDO_REGIME_NUM
Condo Regime Number. Source field from Office of the Chief Technology Officer / DC GIS.
CONDO_BOOK_NUM
Condo Book Number. Source field from Office of the Chief Technology Officer / DC GIS.
CONDO_PAGE_NUM
Condo Page Number. Source field from Office of the Chief Technology Officer / DC GIS.
RECORD_AREA_SF
Record Area Square Footage. Source field from Office of the Chief Technology Officer / DC GIS.
COMPUTED_AREA_SF
Computed Area Square Footage. Source field from Office of the Chief Technology Officer / DC GIS.
SSL
Square, Suffix, Lot. Source field from Office of the Chief Technology Officer / DC GIS.
NARRATIVE
Narrative. Source field from Office of the Chief Technology Officer / DC GIS.
KILL_DT
Kill Date. Source field from Office of the Chief Technology Officer / DC GIS.
BOOK
Book. Source field from Office of the Chief Technology Officer / DC GIS.
PAGE
Page. Source field from Office of the Chief Technology Officer / DC GIS.
LASTMODIFIEDDATE
Last Modified Date. Source field from Office of the Chief Technology Officer / DC GIS.
CREATION_DT
Creation Date. Source field from Office of the Chief Technology Officer / DC GIS.
CREATEDBYRECORD
Created By Record. Source field from Office of the Chief Technology Officer / DC GIS.
RETIREDBYRECORD
Retired By Record. Source field from Office of the Chief Technology Officer / DC GIS.
STATEDAREA
Stated Area. Source field from Office of the Chief Technology Officer / DC GIS.
STATEDAREAUNIT
Stated Area Units. Source field from Office of the Chief Technology Officer / DC GIS.
CALCULATEDAREA
Calculated Area. Source field from Office of the Chief Technology Officer / DC GIS.
CREATED_DATE
Created Date. Source field from Office of the Chief Technology Officer / DC GIS.
LAST_EDITED_DATE
Last Edited Date. Source field from Office of the Chief Technology Officer / DC GIS.
ISHISTORIC
Is Historic. Source field from Office of the Chief Technology Officer / DC GIS.
RECORD
Record. Source field from Office of the Chief Technology Officer / DC GIS.
RETIRING_RECORD
Retiring Record. Source field from Office of the Chief Technology Officer / DC GIS.
OBJECTID
OBJECTID. Source field from Office of the Chief Technology Officer / DC GIS.
GLOBALID
GLOBALID. Source field from Office of the Chief Technology Officer / DC GIS.
Shape__Area
AREA. Source field from Office of the Chief Technology Officer / DC GIS.
Shape__Length
LEN. Source field from Office of the Chief Technology Officer / DC GIS.