Clayton in Contra Costa County, California — The American West (Pacific Coastal)

The Clayton Post Office

Photographed by Andrew Ruppenstein, January 13, 2022

1. The Clayton Post Office Marker

Inscription. The Clayton Post Office, established on October 4, 1861, is one of the oldest post offices in continuous operation in California. Ensuring its continuation in Clayton was one reason for incorporating the city in 1964.

During the past 140 years, the post office served from various locations in Clayton. The post office building on this site opened June 4, 2001.

Clayton Historical Society, 2001

Erected 2001 by Clayton Historical Society.

Topics and series. This historical marker is listed in this topic list: Communications. In addition, it is included in the Postal Mail and Philately series list. A significant historical date for this entry is June 4, 1771.

Location. 37° 56.426′ N, 121° 56.062′ W. Marker is in Clayton, California, in Contra Costa County. It is on Center Street west of Marsh Creek Road, on the right when traveling east. Touch for map. Marker is at or near this postal address: 6150 Center Street, Clayton CA 94517, United States of America. Touch for directions.

Regionally, this marker is in California’s San Francisco Bay Area

and on the Coast Ranges.

It is also on the American Pacific Coast.

Globally, it is in North America,

on the Ring of Fire,

in the Pacific Rim,

in the Western Hemisphere,

in the Western World,

and in the Anglosphere.

Historically, it finds itself in what was once New Spain

and also Mexico’s Alta California.

Other nearby markers. At least 8 other markers are within walking distance of this marker: The Eucalyptus Grove (about 300 feet away, measured in a direct line); Clayton Museum Educational Garden (about 300 feet away); The Clayton Club (about 300 feet away); The Growler Saloon – Goethals Building

Paid Advertisement

Click or scan to see
this page online

(about 300 feet away); Farming & Ranching in Clayton (about 400 feet away); Black Diamond Way (about 400 feet away); The Joel Clayton House (about 400 feet away); Joaquin Murrieta (about 400 feet away). Touch for a list and map of all markers in Clayton.

More about this marker. The marker is mounted on a knee-high stone monument just to the right of the post office entrance.

The Clayton Post Office and Marker image. Click for full size.

Photographed by Andrew Ruppenstein, March 22, 2009

2. The Clayton Post Office and Marker

Old Clayton Post Office Sign image. Click for full size.

Photographed by Andrew Ruppenstein, March 22, 2009

3. Old Clayton Post Office Sign

No longer in use, this sign is on display in the Clayton Historical Society Museum, which is within shouting distance of the Clayton Post Office.

Old Clayton Post Office Sign, Postboxes, Counter Bell and Grill image. Click for full size.

Photographed by Andrew Ruppenstein, March 22, 2009

4. Old Clayton Post Office Sign, Postboxes, Counter Bell and Grill

This post office memorabilia is also on display in the Clayton Historical Society Museum.

Credits. This page was last revised on January 13, 2022. It was originally submitted on November 15, 2009, by Andrew Ruppenstein of Lamorinda, California. This page has been viewed 1,302 times since then and 31 times this year. Photos: 1. submitted on January 13, 2022, by Andrew Ruppenstein of Lamorinda, California. 2, 3, 4. submitted on November 15, 2009, by Andrew Ruppenstein of Lamorinda, California. • Syd Whittle was the editor who published this page.