
Estudillo House
Many listed buildings are private homes. Please enjoy them from the street.
About Estudillo House
Estudillo House, at 4000 Mason St., was added to the National Register of Historic Places and named a National Historic Landmark on the same day, Apr 15, 1970: one of 141 Landmarks in California. Only 42 of California’s 2,865 listings are older. The Register lists it for its architecture, at the national level. The listing covers 1 acre.
What it isHouse. From Wikidata (CC0). Read about it on Wikipedia ↗
PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 100 MB · National Archives↗1827 to today
- 1827Built
- 1970Added to the National Register and named a National Historic Landmark
- 2026On the Register for 56 years
Make it a walk: 2 landmarks in about 5 minutes
4000 Mason St., San Jacinto · about 0 miles on foot, as the crow flies















- 1Estudillo HouseStart here
- 2
Estudillo MansionItalianate · next door
Memories of Estudillo House
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Estudillo House
Is Estudillo House on the National Register of Historic Places?
Yes. It was added on Apr 15, 1970 (Register number 70000143).
Is Estudillo House a National Historic Landmark?
Yes, since Apr 15, 1970. California has 141 National Historic Landmarks.
Can you visit Estudillo House?
Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.
Where can I read the history of Estudillo House?
In its National Register nomination, the form that put it on the Register: a 100 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 123858022 · Wikidata. Map tiles © OpenStreetMap contributors.