Almanac note · History and culture
Livermore has a light bulb that became a tiny legend
Livermore's Centennial Light Bulb has been shining since it was first installed at a fire department hose cart house in 1901.
Livermore has a local landmark that is almost comically small: a light bulb. The Centennial Light Bulb is known as the world’s longest burning light bulb, and it lives at Livermore-Pleasanton Fire Department Station 6.
The bulb was first installed in 1901 at the fire department hose cart house on L Street. Over time, it became less of a utility item and more of a local story people could point to with a little pride.
That is the charm. California history does not always need a giant bridge, mission, mansion, or mountain pass. Sometimes it is a piece of ordinary equipment that quietly lasts long enough to become famous.
If you try to see it in person, remember that it is at an active fire station. Visiting depends on on-duty personnel being available, so this is a small, respectful stop rather than a place to treat like a big museum.
Where to see it
Livermore-Pleasanton Fire Department Station 6 in Livermore.
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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