Old Pasadena in Los Angeles County, California — The American West (Pacific Coastal)

Castle Green

Green Hotel

Photographed by Craig Baker, June 22, 2020

1. Castle Green Marker

Inscription.
This property has been placed on the National Register of Historic Places by the United States Department of the Interior.

Erected 1982 by U.S.Department of the Interior.

Topics. This historical marker is listed in these topic lists: Architecture • Bridges & Viaducts • Forts and Castles • Industry & Commerce.

Location. 34° 8.637′ N, 118° 8.956′ W. Marker is in Pasadena, California, in Los Angeles County. It is in Old Pasadena. It is on South Raymond Avenue just south of Green Street, on the right when traveling south. Touch for map. Marker is at or near this postal address: 99 S Raymond Ave, Pasadena CA 91105, United States of America. Touch for directions.

Regionally, this marker is in Greater Los Angeles

and in the Transverse Ranges.

It is also on the American Pacific Coast.

Globally, it is in North America,

on the Ring of Fire,

in the Pacific Rim,

in the Western Hemisphere,

in the Western World,

and in the Anglosphere.

Historically, it finds itself in what was once New Spain

and also Mexico’s Alta California.

Other nearby markers. At

Paid Advertisement

Click or scan to see
this page online

least 8 other markers are within walking distance of this marker: Original Site of Throop University (about 400 feet away, measured in a direct line); Braley Building (about 400 feet away); Mercantile Place (about 400 feet away); 107 S. Fair Oaks Ave (about 400 feet away); 1909 Seagrave (about 500 feet away); Plotkin Alley (about 500 feet away); Baker Alley (about 600 feet away); a different marker also named Mercantile Place (about 600 feet away). Touch for a list and map of all markers in Pasadena.

Regarding Castle Green. Built in 1898, Castle Green was designed by architect Frederick Louis Roehrig as an annex to the Green Hotel on the opposite side of Raymond Avenue. It was connected to the first part of the hotel with an ornate enclosed bridge crossing the street. The original hotel and part of the bridge were demolished after a fire. The hotel owner was George G. Green, a patent medicine entrepreneur.
In 1903 Green incorporated a third building which had been the original site of California Institute of Technology / Throop University. It is now apartments.

In 1982 the entire block was added to the National Register of

Photographed by Craig Baker, June 22, 2020

2. Castle Green Marker

Historic Places and City of Pasadena’s list of Historic Places.

Castle Green is now condominiums and is not open to the public except during the annual open house.

Castle Green Lobby image. Click for full size.

Photographed by Craig Baker, June 22, 2020

3. Castle Green Lobby

Castle Green image. Click for full size.

Photographed by Craig Baker, May 21, 2019

4. Castle Green

Part of the bridge still exists.

Photographed by Craig Baker, June 22, 2020

5. Castle Green

6. Castle Green

This drawing is on display inside the building. It shows the original hotel at left, and the bridge to the castle. The former university building is in the foreground at right.

Castle Green Timeline image. Click for full size.

Photographed by Craig Baker

7. Castle Green Timeline

Credits. This page was last revised on April 3, 2026. It was originally submitted on July 12, 2020, by Craig Baker of Sylmar, California. This page has been viewed 817 times since then and 36 times this year. Photos: 1, 2, 3, 4, 5, 6. submitted on July 12, 2020, by Craig Baker of Sylmar, California. 7. submitted on June 23, 2024, by Craig Baker of Sylmar, California. • J. Makali Bruton was the editor who published this page.