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Katherine J. Rinehart — Historian

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Historic Petaluma Commercial

Elm Court Sign: A Hidden Treasure on Petaluma Boulevard North

May 2, 2025 //  by Katherine J. Rinehart

Despite its weathered condition, the easily overlooked Elm Court sign at 4547 Petaluma Boulevard North is one …

Elm Court Sign: A Hidden Treasure on Petaluma Boulevard NorthRead More

Then & Now – Kentucky Street, Petaluma, CA

December 22, 2024 //  by Katherine J. Rinehart

Below is a photograph from the Sonoma County Library showing Santa Claus in a horse-drawn sleigh heading north …

Then & Now – Kentucky Street, Petaluma, CARead More

View looking east down Washington Street toward Keller Street, Petaluma. California Theatre on the right. Credit: Sonoma County Library

Petaluma’s California Theatre Sign: Electric Crowd Magnet

July 27, 2024 //  by Katherine J. Rinehart

The California Theatre opened in the dramatically remodeled Hill Opera House in January 1925. Along with the …

Petaluma’s California Theatre Sign: Electric Crowd MagnetRead More

What Was There Before?

February 5, 2024 //  by Katherine J. Rinehart

The former bank building at 20 Petaluma Boulevard South (shown below) is getting a lot of attention these …

What Was There Before?Read More

100 Petaluma Blvd. North – Then & Now

December 4, 2023 //  by Katherine J. Rinehart

Urban renewal programs of the mid-20th century changed the face of America’s downtowns as thousands of …

100 Petaluma Blvd. North – Then & NowRead More

Mid-Century Modern Commercial Architecture Represented in Petaluma’s Neilsen Building

October 1, 2023 //  by Katherine J. Rinehart

It seems only fitting that Paradise Found Records & Music, one of Petaluma's newest downtown businesses, …

Mid-Century Modern Commercial Architecture Represented in Petaluma’s Neilsen BuildingRead More

Historic Building Nearly Lost to Create a Parking Lot

May 6, 2023 //  by Katherine J. Rinehart

Following Petaluma’s incorporation in 1858, the town transformed from what had been considered little more …

Historic Building Nearly Lost to Create a Parking LotRead More

The Leader: A Sleek Modern Petaluma Department Store

August 13, 2022 //  by Katherine J. Rinehart

Buildings constructed during the 1930s and 1940s were often designed in the Streamline Moderne style, …

The Leader: A Sleek Modern Petaluma Department StoreRead More

The Architect and Architecture of a Petaluma Iron Front

July 7, 2022 //  by Katherine J. Rinehart

Petaluma’s Mutual Relief building is the crowning glory of Western Avenue, notable for its intact iron fronts …

The Architect and Architecture of a Petaluma Iron FrontRead More

History of Petaluma Sign Discovered in Library Archives

February 26, 2022 //  by Katherine J. Rinehart

As a historic sign enthusiast, I was delighted to see the Petaluma Argus-Courier’s article “Time flies with …

History of Petaluma Sign Discovered in Library ArchivesRead More

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