Wayfarrow

O'Brien

Ghost town · King County, Washington

Renton quadrangle, USGS topographic map (1949, 1:24,000)
Renton quadrangle, USGS topographic map (1949, 1:24,000) · U.S. Geological Survey, Historical Topographic Map Collection · Public domain

O'Brien is a ghost town in King County, Washington, recorded as human settlement in Washington, United States of America. It is one of 28 former communities in King County on the federal names register. No county in Washington has more among the 35 Washington counties with a vanished settlement on record.

The U.S. Geological Survey lists O'Brien as a historical populated place: the name is no longer in official use for a community, whether the settlement was abandoned, absorbed into a neighbouring town or renamed. The recorded location is 47.4122° N, 122.2370° W.

Key facts

Elevation33 ft
Nearest living townKent, WA
Distance to it2 miles
Coordinates47.41220, -122.23700

Open the location on a map

What's there now

O'Brien is no longer a community in its own right. The nearest living town is Kent, WA (population 135,015), about 2 miles away in a straight line, and the site sits at roughly 33 feet above sea level. Much of the land around former townsites is private; check access before you visit.

Nearby places

Questions

Where is O'Brien?

O'Brien is in King County, Washington, at 47.4122, -122.2370.

How many ghost towns are in King County?

King County, Washington has 28 ghost towns on record at Wayfarrow.

Sources and licences

Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.