Regrid Parcel Search API

openapi: 3.0.3
info:
  title: Regrid Parcel Metadata Parcel Search 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 Search
  description: Search parcel records by various criteria
paths:
  /api/v2/parcels/point:
    get:
      operationId: getParcelsAtPoint
      summary: Point Lookup
      description: 'Returns parcel records at or near a given geographic coordinate. Accepts latitude/longitude and returns matching GeoJSON parcel features.

        '
      tags:
      - Parcel Search
      parameters:
      - name: token
        in: query
        required: true
        description: API authentication token
        schema:
          type: string
      - name: lat
        in: query
        required: true
        description: Latitude of the point to search
        schema:
          type: number
          format: double
          example: 37.7749
      - name: lon
        in: query
        required: true
        description: Longitude of the point to search
        schema:
          type: number
          format: double
          example: -122.4194
      - name: radius
        in: query
        required: false
        description: Optional search radius in meters around the point
        schema:
          type: number
          format: double
      - name: limit
        in: query
        required: false
        description: Number of parcel records to return (1–1000)
        schema:
          type: integer
          minimum: 1
          maximum: 1000
          default: 20
      - name: fields
        in: query
        required: false
        description: Comma-separated list of schema fields to include in response
        schema:
          type: string
      - name: return_custom
        in: query
        required: false
        description: Include custom fields in the response
        schema:
          type: boolean
      - name: return_stacked
        in: query
        required: false
        description: Return stacked/overlapping parcels at the point
        schema:
          type: boolean
      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: postParcelsAtPoint
      summary: Point Lookup (POST)
      description: POST variant of point lookup accepting JSON body
      tags:
      - Parcel Search
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - lat
              - lon
              properties:
                lat:
                  type: number
                  format: double
                lon:
                  type: number
                  format: double
                radius:
                  type: number
                  format: double
                limit:
                  type: integer
                  minimum: 1
                  maximum: 1000
                  default: 20
                fields:
                  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'
  /api/v2/parcels/address:
    get:
      operationId: getParcelsByAddress
      summary: Address Lookup
      description: 'Locates parcel records matching a street address in the US and Puerto Rico. Returns GeoJSON parcel features for matching addresses.

        '
      tags:
      - Parcel Search
      parameters:
      - name: token
        in: query
        required: true
        schema:
          type: string
      - name: query
        in: query
        required: true
        description: Street address string to search
        schema:
          type: string
          example: 123 Main St, San Francisco, CA 94105
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 1000
          default: 20
      - 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'
  /api/v2/parcels/apn:
    get:
      operationId: getParcelsByAPN
      summary: APN Lookup
      description: 'Retrieves parcel records by Assessor Parcel Number (APN). Requires specifying the state and/or county along with the APN string.

        '
      tags:
      - Parcel Search
      parameters:
      - name: token
        in: query
        required: true
        schema:
          type: string
      - name: apn
        in: query
        required: true
        description: Assessor Parcel Number identifier
        schema:
          type: string
          example: 1234-567-890
      - name: state_code
        in: query
        required: false
        description: Two-letter US state code to narrow the search
        schema:
          type: string
          example: CA
      - name: county
        in: query
        required: false
        description: County name to narrow the search
        schema:
          type: string
          example: San Francisco
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 1000
          default: 20
      - 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'
  /api/v2/parcels/owner:
    get:
      operationId: getParcelsByOwner
      summary: Owner Name Lookup
      description: 'Finds all properties associated with a specific owner name. Returns GeoJSON parcel features for all parcels matching the owner query.

        '
      tags:
      - Parcel Search
      parameters:
      - name: token
        in: query
        required: true
        schema:
          type: string
      - name: owner
        in: query
        required: true
        description: Owner name string to search
        schema:
          type: string
          example: Smith John
      - name: state_code
        in: query
        required: false
        description: Two-letter US state code to narrow the search
        schema:
          type: string
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 1000
          default: 20
      - 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'
  /api/v2/parcels/area:
    get:
      operationId: getParcelsByArea
      summary: Area Geometry Search (GET)
      description: 'Returns all parcels that fall within a specified geographic area defined by a GeoJSON polygon or bounding box.

        '
      tags:
      - Parcel Search
      parameters:
      - name: token
        in: query
        required: true
        schema:
          type: string
      - name: bbox
        in: query
        required: false
        description: Bounding box as comma-separated min_lon,min_lat,max_lon,max_lat
        schema:
          type: string
          example: -122.45,37.75,-122.40,37.79
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 1000
          default: 20
      - 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: postParcelsByArea
      summary: Area Geometry Search (POST)
      description: 'POST variant of area search accepting a GeoJSON polygon geometry in the request body.

        '
      tags:
      - Parcel Search
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                geometry:
                  $ref: '#/components/schemas/GeoJSONPolygon'
                limit:
                  type: integer
                  minimum: 1
                  maximum: 1000
                  default: 20
                fields:
                  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'
  /parcels/path:
    get:
      operationId: getParcelByPath
      summary: Parcel Path Lookup
      description: Returns a parcel record using Regrid's canonical path format
      tags:
      - Parcel Search
      parameters:
      - name: token
        in: query
        required: true
        schema:
          type: string
      - name: path
        in: query
        required: true
        description: Regrid canonical path string (e.g., us/ca/san-francisco/1234567890)
        schema:
          type: string
      - name: fields
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Parcel GeoJSON Feature
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ParcelFeature'
        '404':
          $ref: '#/components/responses/NotFound'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /parcels/{ll_uuid}:
    get:
      operationId: getParcelByUUID
      summary: Parcel UUID Lookup
      description: Retrieves a parcel record by Regrid's internal UUID identifier
      tags:
      - Parcel Search
      parameters:
      - name: ll_uuid
        in: path
        required: true
        description: Regrid UUID for the parcel
        schema:
          type: string
          format: uuid
      - name: token
        in: query
        required: true
        schema:
          type: string
      - name: fields
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Parcel GeoJSON Feature
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ParcelFeature'
        '404':
          $ref: '#/components/responses/NotFound'
        '401':
          $ref: '#/components/responses/Unauthorized'
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
    NotFound:
      description: Record not found
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
    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