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

M.F. Ohman

Photographed by Joseph Alvarado, November 5, 2023

1. M.F. Ohman Marker

Inscription. First Clayton City Administrator
Served 1968-1975

Topics. This historical marker is listed in this topic list: Government & Politics. A significant historical year for this entry is 1968.

Location. 37° 56.466′ N, 121° 56.151′ W. Marker is in Clayton, California, in Contra Costa County. It is at the intersection of Diablo Street and Main Street, on the right when traveling north on Diablo Street. The plaque is mounted below a public bulletin board on the West side of the building. Touch for map. Marker is in this post office area: 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: Clayton (a few steps from this marker); Clayton Cash Store

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(a few steps from this marker); The Clayton Club (within shouting distance of this marker); Clayton Veterans Memorial (within shouting distance of this marker); Clayton Museum Educational Garden (about 300 feet away, measured in a direct line); Farming & Ranching in Clayton (about 300 feet away); Joaquin Murrieta (about 300 feet away); The Joel Clayton House (about 300 feet away). Touch for a list and map of all markers in Clayton.

Also see . . . History of Clayton. City website entry:

"A California voting record was established when ninety-one percent of Clayton’s 364 registered voters approved incorporation of Contra Costa County’s 13th city on March 3, 1964 in Endeavor Hall."

(Submitted on May 26, 2024, by Joseph Alvarado of Livermore, California.)

Photographed by Joseph Alvarado, November 5, 2023

2. M.F. Ohman Marker

Credits. This page was last revised on July 6, 2026. It was originally submitted on May 26, 2024, by Joseph Alvarado of Livermore, California. This page has been viewed 293 times since then and 18 times this year. Photos: 1, 2. submitted on May 26, 2024, by Joseph Alvarado of Livermore, California.