ATTOM property detail, county assessment, recorded sale history, and AVM estimates with your own ATTOM API key.
5 methodsScheduledHousing estimates plus county establishment, employment, and payroll context.
4 methodsScheduledSearch federal catalog metadata without fetching the linked datasets.
2 methodsScheduledUS regulated facilities, permits, inspections, compliance, and enforcement history from EPA ECHO.
6 methodsScheduledFlood hazard maps from FEMA, for an early check on a US property.
3 methodsScheduledQuarterly state and metro home price trends plus county conforming loan limits.
5 methodsScheduledOfficial Fair Market Rents, housing-program income limits, and ZIP-to-Census crosswalk ratios.
5 methodsScheduledSample one lower-48 point from the verified 30 m MRLC NLCD 2021 WMS layer.
2 methodsStaticDeclared disasters, flood insurance claim patterns, and public aid data for US market research.
3 methodsFreshness not declaredNationwide standardized Regrid parcel records for owner, land use, zoning, acreage, and assessed values, using your own Regrid API key.
3 methodsScheduledRentCast property records, value estimates, long-term rent estimates, and sale comparables with your own RentCast API key.
5 methodsScheduledMatch a US address and return its Census state, county, tract, block, and metro identifiers.
5 methodsScheduledCheck one point against the current source-specific Forest Service Basic Ownership layer.
2 methodsScheduledFind local property datasets or search normalized permit, inspection, and violation events in five US markets.
8 methodsScheduledSearch official public assessment records across selected states and major cities, with up to three years where the publisher provides them.
5 methodsScheduledPoints to the official parcel source for every US state, DC, and inhabited territory. The same query format works wherever ParcelOps has checked a public source.
16 methodsScheduledSoil survey data from the USDA for land, building, farming, and pre-purchase research.
3 methodsScheduledWetland maps from the US Fish and Wildlife Service, for checking land and property.
3 methodsScheduledOfficial agricultural land asset-value statistics for one state or county and year.
2 methodsScheduledFinal and proposed federal critical-habitat areas by species or US property location.
2 methodsScheduledGround elevation for US properties and land, from the US Geological Survey.
2 methodsFreshness not declaredNationwide protected-area and public-land ownership, management, access, and conservation context.
2 methodsScheduled
Knowledge
Know your data sources.
Each source has a page with its publisher, update schedule, coverage, known limits, and request fields. Coverage tells you where a source is available, not which fields a property will return. You can get the same details as JSON at /api/knowledge/data-sources.
Last verified . That is when this list was last rebuilt from the ParcelOps source registry, not when each publisher last refreshed its own data.
tag: united-states