Ontario in San Bernardino County, California — The American West (Pacific Coastal)

Old City Hall

225 South Euclid Avenue

— 1937 —

Old City Hall Marker image. Click for full size.

Photographed by Duane and Tracy Marsteller, September 28, 2025

1. Old City Hall Marker

Inscription. The Mediterranean Revival building with Italian Villa styling was built in 1937 as part of the Works Project Administration (WPA). Designed by DeWitt Mitcham, the building served as City Hall until 1979. It was built on the site of the Ontario Country Club building, the original City Hall.

Erected 1993 by City of Ontario California. (Marker Number 2.)

Topics and series. This historical marker is listed in this topic list: Architecture. In addition, it is included in the Works Progress Administration (WPA) projects series list. A significant historical year for this entry is 1937.

Location. 34° 3.746′ N, 117° 39.005′ W. Marker is in Ontario, California, in San Bernardino County. It is at the intersection of East Transit Street and South Euclid Avenue (California Route 83), on the right when traveling east on East Transit Street. Touch for map. Marker is at or near this postal address: 225 S Euclid Ave, Ontario CA 91761, United States of America. Touch for directions.

Regionally, this marker is in Greater Los Angeles,

in the Inland Empire,

in the Peninsular Ranges,

and specifically in the Transverse Ranges.

It is also in the American Southwest.

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: Ontario Power Company (within shouting distance of this marker); Frankish Building (about 400 feet away, measured in a direct line); McCann Block Building (about 400 feet away); Nine Young Pepper Trees (about 500 feet away); The Old Post Office / Paul Williams Building

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(about 600 feet away); United States Post Office (about 700 feet away); Mule Car (about 800 feet away); Dr. O.S. Ensign House (approx. 0.2 miles away). Touch for a list and map of all markers in Ontario.

Photographed by Duane and Tracy Marsteller, September 28, 2025

2. Old City Hall Marker

The marker is to the left of the entrance.

Credits. This page was last revised on January 3, 2026. It was originally submitted on November 11, 2025, by Duane and Tracy Marsteller of Murfreesboro, Tennessee. This page has been viewed 129 times since then and 96 times this year. Photos: 1, 2. submitted on November 11, 2025, by Duane and Tracy Marsteller of Murfreesboro, Tennessee.