Los Angeles County Parcel by AIN

lacountyparcelarcgis/parcel-by-ain

Looks up one Los Angeles County parcel by its ten-digit Assessor Identification Number (AIN) in the Assessor's parcel layer published by LA County GIS. Returns the APN, situs address, city and ZIP, use type and description, year built, bedrooms, bathrooms and square footage of the first improvement, roll year, land and improvement values and exemptions, tax rate area and the parcel centre coordinates. Los Angeles County Office of the Assessor data, passed through unmodified and served by Omnial; not an official Los Angeles County product.

activeper callv1

Price

$0.0026 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $0.50.

Data source

Los Angeles County Office of the Assessor

Data from the Los Angeles County Office of the Assessor, published through LA County GIS. Passed through unmodified and served by Omnial; not an official Los Angeles County product.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

Connect once and your AI can find and run this tool, and any other it needs.

Install it Create an account

agent

// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "lacountyparcelarcgis/parcel-by-ain" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "lacountyparcelarcgis/parcel-by-ain" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "lacountyparcelarcgis/parcel-by-ain", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "lacountyparcelarcgis/parcel-by-ain", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

Not connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.

Pricing

Every charge this tool can incur.

Charge	Price
Per call	$0.0026

Updated: Oct 21, 2026

Input and output schemas

Input schema

input_schema.json

{
  "type": "object",
  "required": [
    "ain"
  ],
  "properties": {
    "ain": {
      "type": "string",
      "pattern": "^[0-9]{10}$",
      "description": "Ten-digit Assessor Identification Number, for example 5409006030. Digits only."
    }
  },
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "required": [
    "features"
  ],
  "properties": {
    "fields": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": true
      },
      "description": "Field definitions (name, type, alias) for the attributes below."
    },
    "features": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "attributes": {
            "type": "object",
            "properties": {
              "AIN": {
                "type": "string",
                "description": "Assessor identification number (10 digits)."
              },
              "APN": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "Assessor parcel number with hyphens."
              },
              "Units1": {
                "type": [
                  "number",
                  "null"
                ],
                "description": "Units in the first improvement."
              },
              "UseType": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "Use type, for example Residential or Government."
              },
              "SitusZIP": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "Situs ZIP code."
              },
              "Bedrooms1": {
                "type": [
                  "number",
                  "null"
                ],
                "description": "Bedrooms in the first improvement."
              },
              "Roll_Year": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "Assessment roll year."
              },
              "SQFTmain1": {
                "type": [
                  "number",
                  "null"
                ],
                "description": "Main square footage of the first improvement."
              },
              "SitusCity": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "Situs city."
              },
              "Bathrooms1": {
                "type": [
                  "number",
                  "null"
                ],
                "description": "Bathrooms in the first improvement."
              },
              "CENTER_LAT": {
                "type": [
                  "number",
                  "null"
                ],
                "description": "Parcel centre latitude."
              },
              "CENTER_LON": {
                "type": [
                  "number",
                  "null"
                ],
                "description": "Parcel centre longitude."
              },
              "YearBuilt1": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "Year built of the first improvement."
              },
              "TaxRateArea": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "Tax rate area code."
              },
              "Roll_ImpValue": {
                "type": [
                  "number",
                  "null"
                ],
                "description": "Roll improvement value, dollars."
              },
              "Roll_LandValue": {
                "type": [
                  "number",
                  "null"
                ],
                "description": "Roll land value, dollars."
              },
              "UseDescription": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "Use description."
              },
              "SitusFullAddress": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "Situs (site) address with city and state."
              },
              "Roll_HomeOwnersExemp": {
                "type": [
                  "number",
                  "null"
                ],
                "description": "Homeowners exemption, dollars."
              },
              "Roll_RealEstateExemp": {
                "type": [
                  "number",
                  "null"
                ],
                "description": "Real estate exemption, dollars."
              }
            },
            "additionalProperties": true
          }
        },
        "additionalProperties": true
      },
      "description": "Matching parcels. Empty when the AIN is unknown."
    },
    "fieldAliases": {
      "type": "object",
      "additionalProperties": true
    },
    "displayFieldName": {
      "type": "string"
    },
    "exceededTransferLimit": {
      "type": "boolean",
      "description": "True when more rows matched than were returned; fetch the next page with offset."
    }
  },
  "description": "The ArcGIS query response: `features` holds one record per match under `attributes`; `exceededTransferLimit` is true when more rows matched than were returned.",
  "additionalProperties": true
}