# St. Louis city, MO property data

> St. Louis city, MO parcel data: 126,421 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/missouri/st-louis-city  
Publisher: Parceled (https://www.parceled.ai)  
Updated: 2026-10-30

Parceled covers 126,421 parcels in St. Louis city, MO, 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 78%).

- **Parcels:** 126,421
- **County FIPS:** 29510
- **Snapshot:** October 30, 2026

## What property data is available for St. Louis city?

| Dataset | St. Louis city |
| --- | --- |
| Parcel boundaries | 126,421 parcels |
| Tax assessor records | 126,998 records (100% of parcels) |
| Owner name and mailing address | 100% of assessor records |
| Market or assessed value | 0% of assessor records |
| Year built | 78% of assessor records |
| Last sale date | 0% of assessor records |
| Building permits | 160,230 permits since 2015, latest July 17, 2026 |
| Roofing permits | Not yet |
| Zoning | 1 zoning jurisdiction |
| Buildable-area screens | Yes |
| Historic designations | 468 |
| Adopted building codes | 1 jurisdiction |
| Hail history (radar) | Yes, every county in the contiguous US |

## How do I query St. Louis city property data?

Bulk-search every parcel in the county with `search_properties` using `state: "MO"` and `county: "510"` (the county FIPS code 29510), or look up one address with `search_parcels`. Check any single property for free with `check_availability`.

```json
{
  "name": "count_properties",
  "arguments": { "state": "MO", "county": "510" }
}
```

## Frequently asked questions

### How do I find who owns a property in St. Louis city?

Search the address on the St. Louis city 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).