# San Joaquin County, CA property data

> San Joaquin County, CA parcel data: 252,519 parcels with tax assessor records, zoning, historic designations, building codes, via API, MCP server and vector tiles.

Source: https://www.parceled.ai/coverage/california/san-joaquin-county  
Publisher: Parceled (https://www.parceled.ai)  
Updated: 2026-10-30

Parceled covers 252,519 parcels in San Joaquin County, CA, 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 85% of parcels (owner names on 0% of those records, year built on 100%).

- **Parcels:** 252,519
- **County FIPS:** 06077
- **Snapshot:** October 30, 2026

## What property data is available for San Joaquin County?

| Dataset | San Joaquin County |
| --- | --- |
| Parcel boundaries | 252,519 parcels |
| Tax assessor records | 214,374 records (85% of parcels) |
| Owner name and mailing address | 0% of assessor records |
| Market or assessed value | 0% of assessor records |
| Year built | 100% of assessor records |
| Last sale date | 0% of assessor records |
| Building permits | Not yet |
| Roofing permits | Not yet |
| Zoning | 6 zoning jurisdictions |
| Buildable-area screens | Yes |
| Historic designations | 38 |
| Adopted building codes | 1 jurisdiction |
| Hail history (radar) | Yes, every county in the contiguous US |

## How do I query San Joaquin County property data?

Bulk-search every parcel in the county with `search_properties` using `state: "CA"` and `county: "077"` (the county FIPS code 06077), or look up one address with `search_parcels`. Check any single property for free with `check_availability`.

```json
{
  "name": "count_properties",
  "arguments": { "state": "CA", "county": "077" }
}
```

## Frequently asked questions

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

Search the address on the San Joaquin 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).