It was listed on the National Register of Historic Places in 1979.

Middle and high schoolers moved to newer schools in the area by 1972, leaving only elementary school attendees at Union.

This article about a property in Sonoma County, California on the National Register of Historic Places is a stub.

You can help Wikipedia by expanding it.This California school-related article is a stub.

You can help Wikipedia by expanding it.This Sonoma County, California building and structure-related article is a stub.