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Hale Solar Laboratory
Photo: Shinku Hisaki, CC BY 3.0, via Wikimedia Commons · tap to enlarge
★ National Historic Landmark

Hale Solar Laboratory

Also known as Hale Laboratory

One of 141 National Historic Landmarks in California3 of them in Pasadena, the highest tier of the National Register
Spanish Colonial RevivalListed 1986Pasadena
About

About Hale Solar Laboratory

Hale Solar Laboratory, at 740 Holladay Rd., was added to the National Register of Historic Places on Jan 23, 1986. It was named a National Historic Landmark on Dec 20, 1989, one of 141 in California. The Register lists it for its science, architecture and invention, at the national level. It describes its style as Spanish Colonial Revival, as it does for 133 other California listings.

Read about it on Wikipedia ↗

PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 124 MB · National Archives↗
Through the years

1986 to today

  1. 1986Added to the National Register of Historic Places
  2. 1989Named a National Historic Landmark
  3. 2026On the Register for 40 years
Visit

Finding Hale Solar Laboratory

740 Holladay Rd., Pasadena

No other Register listing is within a short walk. The nearest are under Around it.

Around it

19 more Register listings within a mile

★ National Historic Landmark · D district · B building · S site. Each opens its own page.

Show the other 1
More like it

Other National Historic Landmarks nearby

The nearest Landmarks with a photo, within 25 miles, and the year each was named.

Memories of Hale Solar Laboratory

The record says what it is. Neighbors know what it means.

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Questions about Hale Solar Laboratory

Is Hale Solar Laboratory on the National Register of Historic Places?

Yes. It was added on Jan 23, 1986 (Register number 86000103).

Is Hale Solar Laboratory a National Historic Landmark?

Yes, since Dec 20, 1989. California has 141 National Historic Landmarks, 3 of them in Pasadena.

Can you visit Hale Solar Laboratory?

Yes: it is open to visitors. Check opening times before you go.

Where can I read the history of Hale Solar Laboratory?

In its National Register nomination, the form that put it on the Register: a 124 MB PDF at the National Archives, linked on this page.

Sources: National Park Service, National Register of Historic Places (05/22/2026) · National Archives catalog record 123857926 · Wikidata. Map tiles © OpenStreetMap contributors.