Tennessee · FIPS 47179 · County seat: Jonesborough
Washington County, TN GIS & Parcel Viewer
Here is the direct link to the statewide parcel map covering Washington County, TN: Tennessee Property Viewer (TN Comptroller). Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the Washington County statewide map ↗
Opens tnmap.tn.gov in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Tennessee Property Viewer (TN Comptroller) |
|---|---|
| Type | Statewide map (covers all of Tennessee) |
| Website | tnmap.tn.gov |
| Access | Free, no login (checked Oct 2026) |
| County seat | Jonesborough |
| Population | 138,420 (2023 Census Bureau estimate) |
| Land area | 326 sq mi |
| FIPS code | 47179 |
Where the parcel data comes from
This is a statewide map, not a county site. Tennessee Property Viewer (TN Comptroller) covers parcels across Tennessee, and Washington County is one part of it. Because a state agency compiles this layer from local data, check with the Washington County assessor or recorder before relying on a recent change. As of our October 2026 test, anyone could open it without signing in or paying.
Searching for a parcel, step by step
- Open the statewide map with the button above.
- Search for an address in Washington County, or zoom to the county on the map.
- Click a parcel to see the attributes the state layer includes.
- Write down the parcel number and use it for records searches with the Washington County assessor or recorder.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
The county in brief
Census Bureau figures put Washington County at about 138,420 people (2023 estimate) on roughly 326 square miles of land, which is about 425 residents per square mile. That makes it number 12 out of 95 Tennessee counties by population. The county seat is Jonesborough.
Counties next to Washington County
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Washington County:
Before you rely on the lines
Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.