Pioneer Oil Refinery


The Pioneer Oil Refinery was the first successful oil refinery in California, built in 1876. The Pioneer Oil Refinery was designated a California Historic Landmark on March 6, 1935. The Pioneer Oil Refinery is located is in what is now the Newhall, Santa Clarita, California in Los Angeles County at 23864 Pine Street, Newhall, California. Pioneer Oil Refinery is the oldest existing refinery in the world. The Lang Southern Pacific Station railroad line served the Pioneer Oil Refinery.
Pioneer Oil Refinery was built by California Star Oil Works, that became part of Standard Oil of California and then part of Chevron. Chevron still owns the Pioneer Oil Refinery land. Chevron has plans on the table to restore the site. Some of the original parts of the refinery were taken away after it closed in 1884, some to museums and other parts to private collectors. The large kettles used to refine the crude oil in to kerosene and benzene are still on the site, along with an old wooden drill tower. Chevron still give some tours of the site.

Marker

Marker on the site reads: