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Eldridge in Sonoma County, California — The American West (Pacific Coastal)
 

"The Main Building"

Sonoma Development Center

 
 
"The Main Building" Marker image. Click for full size.
Photographed by Barry Swackhamer, March 29, 2017
1. "The Main Building" Marker
Inscription.
"The Main Building" was constructed in 1908 to replace the administration wing that had been severely damaged in the 1906 earthquake.
The building served as the main administration building from 1908 to 1957. It was used as the professional education center from 1957 to 1980.
Architects: Sellon & Hemmings, State Architect's Office
Builder: McElroy, Copeland & Pierce of San Francisco

This building was placed on the National Register of Historic Paces by the Glen Ellen Historical Society, August 25, 2001

 
Erected 2001 by Glen Ellen Historical Society.
 
Topics. This historical marker is listed in this topic list: Notable Buildings. A significant historical year for this entry is 1908.
 
Location. 38° 20.838′ N, 122° 31.116′ W. Marker is in Eldridge, California, in Sonoma County. It is on Arnold Drive near Harney Street, on the right when traveling south. Touch for map. Marker is at or near this postal address: 1500 Arnold Drive, Eldridge CA 95431, United States of America. Touch for directions.

Regionally, this marker is in California’s San Francisco Bay Area, in Wine Country, in the North Coast, and specifically
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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 2 miles of this marker, measured as the crow flies: The London and Greenlaw Gravesites (approx. 1.1 miles away); Jack and Charmian London (approx. 1.1 miles away); Charles J. Poppe Building (approx. 1.1 miles away); Historical Tid-bits about Glen Ellen (approx. 1.1 miles away); Glen Ellen Cannon (approx. 1.1 miles away); Jack London Historical State Park (approx. 1.4 miles away); Jack London Ranch (approx. 1.4 miles away); Joseph Hooker's Ranch (approx. 1.6 miles away).
 
More about this marker. The "Main Building" is located on the grounds of the Sonoma Development Center at the intersection of Sonoma and Harney Streets.
 
"The Main Building" and Marker image. Click for full size.
Photographed by Barry Swackhamer, March 29, 2017
2. "The Main Building" and Marker
The marker is at the top of the steps.
"The Main Building" image. Click for full size.
Photographed by Barry Swackhamer, March 29, 2017
3. "The Main Building"
 
 
Credits. This page was last revised on April 9, 2017. It was originally submitted on April 9, 2017, by Barry Swackhamer of Brentwood, California. This page has been viewed 682 times since then and 43 times this year. Photos:   1, 2, 3. submitted on April 9, 2017, by Barry Swackhamer of Brentwood, California.
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Jul. 18, 2026