Almanac note · History and culture
Santa Paula keeps California's oil story on Main Street
Santa Paula's former Union Oil headquarters shows how oil, agriculture, downtown buildings, and Ventura County history came together.
Santa Paula is often seen as a citrus and farm town, and that is a real part of the place. But Main Street also carries a major oil story. The former Union Oil Company of California office sits downtown. It was built in 1890 as the company’s first headquarters.
That one building helps connect several California threads. Oil brought jobs, money, machines, and new travel needs. Farming shaped the valley at the same time. Downtown Santa Paula had to serve both worlds: ranchers, workers, shops, visitors, and families who lived with the ups and downs of local work.
The building later became tied to the California Oil Museum, with restored offices and exhibits about oil history. Public access has changed in recent years. The city has worked on the future of the property, so look up the latest status before planning a visit.
Even from the outside, the story is useful. It reminds you that Ventura County has an energy layer along with its beaches and orchards. Santa Paula still has the downtown bones to show it.
Where to see it
The former Union Oil Company building and California Oil Museum property on Main Street in Santa Paula.
Official sources
Official source trail
Reviewed July 1, 2026
California Porch explains the path. The official source is still the place to confirm the current rule, fee, form, map, deadline, or office decision.
Use the official page before you spend money, file paperwork, rely on a deadline, or change a property.
Connected places
Where it fits on the map
Open a place page for the county layer, nearby places, and other California entries tied to that local page.
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