
Hale Solar Laboratory
Also known as Hale Laboratory
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.
PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 124 MB · National Archives↗1986 to today
- 1986Added to the National Register of Historic Places
- 1989Named a National Historic Landmark
- 2026On the Register for 40 years
Finding Hale Solar Laboratory
740 Holladay Rd., Pasadena















No other Register listing is within a short walk. The nearest are under 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
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.
Your answer becomes a post in Town Square.
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.



