Costa Mesa in Orange County, California — The American West (Pacific Coastal)

The Diego Sepulveda Adobe

Photographed by Carey Pearce, November 15, 2014

1. The Diego Sepulveda Adobe Marker

Inscription. This adobe building was constructed about 1820 as part of an outlying mission stock headquarters to shelter the herdsmen who cared for the cattle from Mission San Juan Capistrano. After secularization, the property continued as a cattle ranch through the 1860s when Diego Sepulveda, after whom it is named, occupied it. Floods and drought ended the cattle industry by the 1870s and the building served as a farmhouse until 1963 when the Segerstrom family donated the adobe and 5 acres of land to the City of Costa Mesa. The building was restored and opened as a community museum in August 1966 as California Landmark number 227.

Erected 2014 by By the Native Sons of the Golden West, Timothy L. Tullius, Grand President, Santa Ana Parlor 74, Rio Hondo Parlor 294, Arrowhead Parlor 110, University Parlor 272, Santa Barbara Parlor 116, De Anza Parlor 312 & Ramona Parlor 109. (Marker Number 138-5.)

Topics and series. This historical marker is listed in these topic lists: Agriculture • Notable Buildings • Religion & Religious Structures • Settlements & Settlers. In addition, it is included in the Native Sons/Daughters of the Golden West series list. A significant historical year for this entry is 1820.

Location. 33° 40.39′ N, 117° 56.232′

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W. Marker is in Costa Mesa, California, in Orange County. It can be reached from the intersection of Adams Avenue and Mesa Verde Drive West. The parking lot for Estancia Park is off of Boa Vista Drive, near the intersection with Mesa Verde Dr. W. Touch for map. Marker is at or near this postal address: 1900 Adams Ave, Costa Mesa CA 92626, United States of America. Touch for directions.

Regionally, this marker is in Greater Los Angeles

and in the Peninsular 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 3 miles of this marker, measured as the crow flies: Diego Sepúlveda Adobe (about 500 feet away, measured in a direct line); Gisler Home (approx. 1.1 miles away); Joint Outfall System (approx. 1½ miles away); Apollo 11 (approx. 1½ miles away); Callens Home (approx. 1.9 miles away); Santa Ana Army Air Base Site (approx. 2 miles away); Nimocks Home (approx. 2.2 miles away); Fountain Valley Drive-In (approx. 2.2 miles away). Touch for a list and map of all markers in Costa Mesa.

More about this marker. The marker is in the planter near the front of the building.

Also see . . . The Costa Mesa Historical Society. "A colorful segment of Southern California history is preserved by this small adobe and its surrounding site. The story of the Diego Sepulveda Adobe (the Estancia) dates back to an uncertain past. Only recently, in 1962, the skeleton of a mastodon was uncovered here. And the surrounding tableland has been recognized as a rich field
Photographed by Carey Pearce, November 15, 2014

2. The Diego Sepulveda Adobe
The marker is in the planter on the left near the front of the building, straight down from the corner of the adobe. The round plaque on the boulder to the right of the flagpole is the Costa Mesa city seal and the one on the boulder to the left of the flagpole is the "perpetual memorial" plaque. An El Camino Real bell is visible in the planter to the right of the building.
for archaeological exploration..." (Submitted on November 21, 2014, by James King of San Miguel, California.)

President of the Costa Mesa Historical Society Robert Palazzola (speaking) image. Click for full size.

Photographed by Byron Flynt, November 15, 2014

3. President of the Costa Mesa Historical Society Robert Palazzola (speaking)

Mr. Palazzola facilitated the great relationship between NSGW and the Costa Mesa city government over this event.

Grand President Tullius Seals the Marker image. Click for full size.

Photographed by Byron Flynt, November 15, 2014

4. Grand President Tullius Seals the Marker

It is now "good and truly dedicated."

A Native Sons' Mascot image. Click for full size.

Photographed by Byron Flynt, November 15, 2014

5. A Native Sons' Mascot

Estancia Historical Park - A Perpetual Memorial image. Click for full size.

Photographed by Carey Pearce, November 15, 2014

6. Estancia Historical Park - A Perpetual Memorial

This five acre historical site and original adobe building is dedicated to the citizens of Costa Mesa as a perpetual monument to preserve the heritage of their community. This property was purchased in 1940 by William, Anton, Fred and Harold Segerstrom and donated to the City of Costa Mesa on September 23, 1963
by
Anton H. and Nellie Ruth Segerstrom
Harold T. and Veronica P. Segerstrom
Henry T. and Yvonne de C. Segerstrom
Harold T. Jr. and Jeanette E. Segerstrom

City of Costa Mesa seal image. Click for full size.

Photographed by Carey Pearce, November 15, 2014

7. City of Costa Mesa seal

C.K. "Charlie Priest Memorial Marker image. Click for full size.

Photographed by Adam Margolis

8. C.K. "Charlie Priest Memorial Marker

In loving memory of C.K. "Charlie" Priest 1896 - 1970 for the dedication, loyalty, and everlasting love given by his many years of service to the city of Costa Mesa. Deputy City Clerk July, 1956 - April 1962 City Clerk April, 1962 - March, 1970.

Photographed by Adam Margolis

9. C.K. "Charlie Priest Memorial Marker

Credits. This page was last revised on February 7, 2023. It was originally submitted on November 21, 2014, by James King of San Miguel, California. This page has been viewed 1,435 times since then and 18 times this year. Photos: 1, 2. submitted on November 21, 2014, by James King of San Miguel, California. 3, 4, 5. submitted on December 6, 2014, by James King of San Miguel, California. 6, 7. submitted on November 21, 2014, by James King of San Miguel, California. 8, 9. submitted on November 26, 2014, by Adam Margolis of Mission Viejo, California. • Syd Whittle was the editor who published this page.

Editor’s want-list for this marker. Closeup photo of the marker. • Can you help?