Parcel infrastructure for software teams

Property boundaries,
without the scavenger hunt.

Query normalized parcel lines, identifiers, and source provenance through one predictable interface. Built from official public records and designed for developers.

Request early access Read the API preview →

Founding access is opening state by state. No card required to join.

GET/v1/parcels/point200

{
  "parcel_id": "wa-53063-35191.2402",
  "state": "WA",
  "county": "Spokane",
  "parcel_number": "35191.2402",
  "geometry": { "type": "Polygon", "coordinates": […] },
  "source": {
    "authority": "Spokane County",
    "observed_at": "2026-08-30"
  }
}

Official sourcesState and county provenance retained

GeoJSON readyBoundaries shaped for modern maps

Change awareMeaningful field history, not noisy snapshots

A cleaner parcel layer

One contract. Many public systems.

County portals and statewide services all speak differently. Parcel APIs handles the source-specific work while your application gets a stable response.

Lookup by point or bounds

Find the parcel beneath a coordinate or retrieve boundaries in a map viewport.

Normalized identifiers

Use consistent state, county, parcel number, address, and geometry fields across jurisdictions.

Source provenance

Trace records back to the exact public authority and source URL used for collection.

Compact history

Store meaningful field changes while unchanged observations create no duplicate history.

Built for real products

Use parcel data without becoming a GIS vendor.

Property softwareAdd boundary context to search, records, and customer workflows.

Field operationsConnect inspections, estimates, routing, and service areas to the right parcel.

Mapping productsRender parcel lines directly from standard geometry instead of bespoke county formats.

Research & complianceKeep authority, collection date, and source lineage attached to every response.

Transparent by design

Coverage you can verify.

We publish what is ready, what is loading, and which jurisdictions still need a county-level fallback. Every approved source is retained for repeatable updates.

See the coverage approach →

Source record

Authority: Official state or county GIS
Geometry: Content-addressed
History: Field-level changes only
Publication: Validation gated

Founding access

Build with the parcel layer you needed yesterday.

Request early access View launch pricing

Property boundaries,without the scavenger hunt.