# Allegheny County, PA property data

> Allegheny County, PA parcel data: 119,029 parcels with tax assessor records, zoning, historic designations, building codes, via API, MCP server and vector tiles.

Source: https://www.parceled.ai/coverage/pennsylvania/allegheny-county  
Publisher: Parceled (https://www.parceled.ai)  
Updated: 2026-10-30

Parceled covers 119,029 parcels in Allegheny County, PA, with tax assessor records, zoning, historic designations, building codes and hail history available through one API and MCP server. Tax assessor attributes are present for 100% of parcels (owner names on 0% of those records, year built on 77%).

- **Parcels:** 119,029
- **County FIPS:** 42003
- **Snapshot:** October 30, 2026

## What property data is available for Allegheny County?

| Dataset | Allegheny County |
| --- | --- |
| Parcel boundaries | 119,029 parcels |
| Tax assessor records | 581,717 records (100% of parcels) |
| Owner name and mailing address | 0% of assessor records |
| Market or assessed value | 100% of assessor records |
| Year built | 77% of assessor records |
| Last sale date | 100% of assessor records |
| Building permits | Not yet |
| Roofing permits | Not yet |
| Zoning | 1 zoning jurisdiction |
| Buildable-area screens | Yes |
| Historic designations | 295 |
| Adopted building codes | 1 jurisdiction |
| Hail history (radar) | Yes, every county in the contiguous US |

## How do I query Allegheny County property data?

Bulk-search every parcel in the county with `search_properties` using `state: "PA"` and `county: "003"` (the county FIPS code 42003), or look up one address with `search_parcels`. Check any single property for free with `check_availability`.

```json
{
  "name": "count_properties",
  "arguments": { "state": "PA", "county": "003" }
}
```

## Frequently asked questions

### How do I find who owns a property in Allegheny County?

Search the address on the Allegheny County assessor's website, or query Parceled's `search_parcels` for owner name and mailing address. See [how to find a property owner by address](https://www.parceled.ai/guides/how-to-find-property-owner-by-address).