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What is BuyParcelData?

BuyParcelData (BPD) provides parcel data for every county in the United States. The dataset covers 140 million parcels, representing 85% of US land area and 95% of the US population, sourced directly from county assessors, not inferred or aggregated from third parties. Each parcel record includes 100+ fields: ownership, assessed value, sale history, zoning, tax records, land use, boundaries, and enriched data from external sources including USDA Cropland Data Layer, elevation, and adjacent acreage under the same ownership.

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How it works

  1. Find parcels by geography: submit a GeoJSON polygon to POST /parcels/area. BPD returns the UUIDs of every parcel whose geometry intersects your area.
  2. Fetch records: pass those UUIDs to POST /parcels/query to retrieve full parcel records, or query by any field directly without a geography step.
  3. Point lookup: use GET /parcels/point to find the parcel at a specific lat/lng.

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Next steps

Quickstart

Make your first API call in minutes

Coverage

Nationwide coverage stats and known gaps

Data fields

All 100+ fields, null values, and enriched data

API Reference

Full endpoint and schema documentation