Coverage

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Overview

BPD covers every county in the United States. The dataset is sourced directly from county assessors and recorder offices, not inferred, estimated, or aggregated from third parties.

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Why counts differ from competitors

BPD retains all parcel records, including ones with sparse data. Some competitors remove parcels that don’t meet a minimum field threshold, which artificially reduces their counts. A null field in BPD means the county didn’t provide that data, not that the parcel doesn’t exist. See Data fields for more on how null values work.

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Data sourcing

All data is obtained directly from county assessors, recorder offices, and GIS departments. BPD does not infer or derive parcel attributes. If a county doesn’t publish a field, it will be null in the API response rather than estimated. This approach ensures accuracy but means coverage completeness is dependent on each county’s data publishing practices.

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Frequently asked questions

Is the API really nationwide? Yes. The API covers all US states and territories for which county data is publicly available. You do not need to specify a state or region; you can query any location in the US with the same endpoints. Is coverage truly nationwide? Yes. As of April 2026, BPD covers all 50 states and territories across 3,200+ counties. Can I get county-by-county coverage details? Yes. Contact support@buyparceldata.com and we can share a coverage breakdown for the specific counties relevant to your use case.