Regrid Parcel Query API

openapi: 3.0.3
info:
  title: Regrid Parcel Metadata Parcel Query API
  description: 'RESTful API for querying US and Canadian parcel records by location (lat/lon), street address, assessor parcel number (APN), owner name, or polygon area. Returns GeoJSON FeatureCollections with parcel boundaries, ownership, zoning, assessed values, and deed attributes. Supports up to 1,000 records per request with usage tracked by parcel records returned for billing purposes.

    '
  version: 2.0.0
  termsOfService: https://regrid.com/terms
  contact:
    name: Regrid Support
    url: https://support.regrid.com
  license:
    name: Proprietary
    url: https://regrid.com/terms
servers:
- url: https://app.regrid.com
  description: Regrid Production API
security:
- apiToken: []
tags:
- name: Parcel Query
  description: Filter parcel dataset by indexed schema attributes
paths:
  /api/v2/parcels/query:
    get:
      operationId: queryParcels
      summary: Query by Field (GET)
      description: 'Filter the entire nationwide parcel dataset by any indexed schema attributes. Described as the most powerful endpoint; supports combining field filters with optional geometry constraints.

        '
      tags:
      - Parcel Query
      parameters:
      - name: token
        in: query
        required: true
        schema:
          type: string
      - name: query
        in: query
        required: true
        description: 'Field filter expression. Use field:value syntax or structured JSON query. Supports 120+ indexed schema fields.

          '
        schema:
          type: string
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 1000
          default: 20
      - name: offset
        in: query
        required: false
        description: Record offset for pagination
        schema:
          type: integer
          minimum: 0
          default: 0
      - name: fields
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Successful GeoJSON FeatureCollection response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ParcelFeatureCollection'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
    post:
      operationId: postQueryParcels
      summary: Query by Field (POST)
      description: POST variant of query by field accepting structured JSON query body
      tags:
      - Parcel Query
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - query
              properties:
                query:
                  type: object
                  description: Structured field filter object
                  additionalProperties: true
                limit:
                  type: integer
                  minimum: 1
                  maximum: 1000
                  default: 20
                offset:
                  type: integer
                  minimum: 0
                  default: 0
                fields:
                  type: string
                geometry:
                  $ref: '#/components/schemas/GeoJSONPolygon'
      responses:
        '200':
          description: Successful GeoJSON FeatureCollection response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ParcelFeatureCollection'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
components:
  responses:
    RateLimited:
      description: Too many requests — rate limit exceeded (max 200 req/min or 10 concurrent)
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
              retry_after:
                type: integer
                description: Seconds to wait before retrying
    Unauthorized:
      description: Unauthorized — invalid or missing API token
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
    BadRequest:
      description: Bad request — invalid parameters or missing required fields
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
  schemas:
    GeoJSONPolygon:
      type: object
      description: GeoJSON Polygon geometry object
      properties:
        type:
          type: string
          enum:
          - Polygon
          - MultiPolygon
        coordinates:
          type: array
          items:
            type: array
            items:
              type: array
              items:
                type: number
    ParcelProperties:
      type: object
      description: Parcel attribute properties in the standard schema
      properties:
        ll_uuid:
          type: string
          format: uuid
          description: Regrid universal unique identifier for the parcel
        ll_gisacre:
          type: number
          description: Parcel area in acres (GIS-calculated)
        ll_bldg_count:
          type: integer
          description: Number of buildings on the parcel
        ll_address:
          type: string
          description: Standardized parcel address
        ll_addresstype:
          type: string
          description: Address type classification
        ll_addr_unit:
          type: string
          description: Unit/suite/apt number for multi-unit parcels
        parcelnumb:
          type: string
          description: Assessor Parcel Number (APN) as reported by the county
        parcelnumb_no_formatting:
          type: string
          description: APN with formatting stripped
        state_abbr:
          type: string
          description: Two-letter state abbreviation
        county:
          type: string
          description: County name
        city:
          type: string
          description: City name
        cityname:
          type: string
          description: Formatted city name
        state2:
          type: string
          description: State name (full)
        saddno:
          type: string
          description: Street address number
        saddpref:
          type: string
          description: Street direction prefix (N, S, E, W)
        saddstr:
          type: string
          description: Street name
        saddsttyp:
          type: string
          description: Street type (St, Ave, Blvd, etc.)
        saddstsuf:
          type: string
          description: Street direction suffix
        sunit:
          type: string
          description: Unit designator
        szip:
          type: string
          description: ZIP code
        szip4:
          type: string
          description: ZIP+4 extension
        address:
          type: string
          description: Full site address string
        scity:
          type: string
          description: Site city name
        mail_address:
          type: string
          description: Owner mailing address
        mail_city:
          type: string
          description: Owner mailing city
        mail_state2:
          type: string
          description: Owner mailing state abbreviation
        mail_zip:
          type: string
          description: Owner mailing ZIP code
        mail_country:
          type: string
          description: Owner mailing country
        owner:
          type: string
          description: Primary owner name
        owner2:
          type: string
          description: Secondary owner name
        owner3:
          type: string
          description: Tertiary owner name
        owntype:
          type: string
          description: Owner type classification
        zoning:
          type: string
          description: Zoning code as reported by the assessor
        zoning_description:
          type: string
          description: Standardized zoning description
        usecode:
          type: string
          description: Land use code
        usedesc:
          type: string
          description: Land use description
        structno:
          type: integer
          description: Number of structures on the parcel
        yearbuilt:
          type: integer
          description: Year of primary structure construction
        numstories:
          type: number
          description: Number of stories in the primary structure
        numunits:
          type: integer
          description: Number of units in the building
        acres:
          type: number
          description: Parcel area in acres (assessor-reported)
        sqft:
          type: number
          description: Parcel area in square feet
        ll_gissqft:
          type: number
          description: GIS-calculated parcel area in square feet
        improvval:
          type: number
          description: Assessed improvement value
        landval:
          type: number
          description: Assessed land value
        parval:
          type: number
          description: Total assessed parcel value
        saleprice:
          type: number
          description: Most recent sale price
        saledate:
          type: string
          description: Most recent sale date
        parvaltype:
          type: string
          description: Type of assessed value (market, appraised, etc.)
        taxyear:
          type: integer
          description: Tax assessment year
        ll_stable_id:
          type: string
          description: Regrid stable identifier that persists across data updates
        path:
          type: string
          description: Regrid canonical path (e.g., us/ca/san-francisco/1234567890)
        ll_updated_at:
          type: string
          format: date-time
          description: Timestamp of last Regrid data update
    ParcelFeature:
      type: object
      description: GeoJSON Feature representing a single parcel record
      properties:
        type:
          type: string
          enum:
          - Feature
        id:
          type: string
          description: Regrid internal parcel ID
        geometry:
          $ref: '#/components/schemas/GeoJSONPolygon'
        properties:
          $ref: '#/components/schemas/ParcelProperties'
    ParcelFeatureCollection:
      type: object
      description: GeoJSON FeatureCollection containing parcel records
      properties:
        type:
          type: string
          enum:
          - FeatureCollection
        features:
          type: array
          items:
            $ref: '#/components/schemas/ParcelFeature'
        results:
          type: integer
          description: Total number of results returned
        next:
          type: string
          nullable: true
          description: URL for the next page of results (if paginated)
  securitySchemes:
    apiToken:
      type: apiKey
      in: query
      name: token
      description: API token obtained from your Regrid account profile
externalDocs:
  description: Regrid API Documentation
  url: https://support.regrid.com/api/section/parcel-api