# Washington County, MD property data

> Washington County, MD parcel data: 59,753 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/maryland/washington-county  
Publisher: Parceled (https://www.parceled.ai)  
Updated: 2026-10-30

Parceled covers 59,753 parcels in Washington County, MD, 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 85%).

- **Parcels:** 59,753
- **County FIPS:** 24043
- **Snapshot:** October 30, 2026

## What property data is available for Washington County?

| Dataset | Washington County |
| --- | --- |
| Parcel boundaries | 59,753 parcels |
| Tax assessor records | 59,707 records (100% of parcels) |
| Owner name and mailing address | 100% of assessor records |
| Market or assessed value | 0% of assessor records |
| Year built | 85% of assessor records |
| Last sale date | 0% of assessor records |
| Building permits | 795 permits since 2026, latest October 24, 2026 |
| Roofing permits | Not yet |
| Zoning | 10 zoning jurisdictions |
| Buildable-area screens | Yes |
| Historic designations | 108 |
| Adopted building codes | 1 jurisdiction |
| Hail history (radar) | Yes, every county in the contiguous US |

## How do I query Washington County property data?

Bulk-search every parcel in the county with `search_properties` using `state: "MD"` and `county: "043"` (the county FIPS code 24043), or look up one address with `search_parcels`. Check any single property for free with `check_availability`.

```json
{
  "name": "count_properties",
  "arguments": { "state": "MD", "county": "043" }
}
```

## Frequently asked questions

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

Search the address on the Washington 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).