# Collin County, TX property data

> Collin County, TX parcel data: 387,703 parcels with tax assessor records, building permits, zoning, historic designations, building codes, via API, MCP server and vector tiles.

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

Parceled covers 387,703 parcels in Collin County, TX, with tax assessor records, building permits, 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 100% of those records, year built on 82%).

- **Parcels:** 387,703
- **County FIPS:** 48085
- **Snapshot:** October 30, 2026

## What property data is available for Collin County?

| Dataset | Collin County |
| --- | --- |
| Parcel boundaries | 387,703 parcels |
| Tax assessor records | 463,386 records (100% of parcels) |
| Owner name and mailing address | 100% of assessor records |
| Market or assessed value | 100% of assessor records |
| Year built | 82% of assessor records |
| Last sale date | 0% of assessor records |
| Building permits | 626,712 permits since 1995, latest October 28, 2026 |
| Roofing permits | 55,453 |
| Zoning | 8 zoning jurisdictions |
| Buildable-area screens | Yes |
| Historic designations | 68 |
| Adopted building codes | 5 jurisdictions |
| Hail history (radar) | Yes, every county in the contiguous US |

## How do I query Collin County property data?

Bulk-search every parcel in the county with `search_properties` using `state: "TX"` and `county: "085"` (the county FIPS code 48085), or look up one address with `search_parcels`. Check any single property for free with `check_availability`.

```json
{
  "name": "count_properties",
  "arguments": { "state": "TX", "county": "085" }
}
```

## Frequently asked questions

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

Search the address on the Collin 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).