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Open Data: US Residential Properties & Sale Events (government records)

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@devin-ai-integration devin-ai-integration released this 05 Aug 17:09
· 3 commits to main since this release
open-data-us-residential-real-estate
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Open Data: US Residential Properties & Sale Events (government records) — part of the DataForge Open Data program.

Full production packages, free for academic and personal use under CC BY-NC 4.0 (attribution + backlink required). Same files as served at https://dl.zalize.com/open-data/<package_id> (machine-readable index: https://dl.zalize.com/open-data).

Packages

Package Tier Rows Size SHA-256 Scope
realestate-tier1-S-2026-08-02 S 1,327,964 0.11 GB 5da022313d1afcbcab9b3d4e161c0412016283d1ffab127ddfc70f34b21aea17 Philadelphia PA: all OPA property records + recorded sale events
realestate-tier1-M-2026-08-02 M 1,423,038 0.13 GB 9f6280106f20b389850d16e63be8b6c70605de1b562d1cbedb637b710b30ce76 New York City (5 boroughs): PLUTO property records + DOF rolling sales
realestate-tier1-L-2026-08-02 L 7,009,514 0.50 GB 948c71304012cfae084118a269515027fda52b0577c94157f815568c751e6fa2 All covered counties: NYC + Cook County IL (Chicago) + Philadelphia — full properties + sale events

Data dictionary & datasheet

Field-level documentation lives in this repo under datasets/ and on the portal page: https://data.zalize.com/datasets/us-residential-properties-sale-events-dataset

License

CC BY-NC 4.0 (DataForge curated layer) / commercial license — upstream: US public property records

  • Academic / personal use: CC BY-NC 4.0 on the DataForge curated layer — attribution + backlink required.
  • Commercial use: requires a DataForge commercial license — contact us via the portal.
  • Upstream source: US county assessor / government property and sale-event records. Upstream license terms (public domain / CC BY / OGL where applicable) continue to apply to the underlying data.

Citation / attribution

Please credit:

DataForge (data.zalize.com) — https://data.zalize.com

For attribution-licensed upstreams keep the upstream credit (PatentsView CC BY 4.0; "Contains public sector information licensed under the Open Government Licence v3.0").

🔗 DataForge portal: https://data.zalize.com · All open data: https://data.zalize.com/open-data

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