Site information:

This landmark commemorates a house which used to be in Plummer Park.  The house was moved, but the park still exists.  Since the title of the landmak includes both sites, I visited both.

House location: 
23537 Calabasas Rd, Calabasas
34.157573,-118.639763

Park location:
7377 Santa Monica Blvd, Hollywood
34.092740, -118.351213

Plaque information:

Two private plaques at the house, one private plaque at the park

House plaque text: 

Known as the 'Oldest House in Hollywood,' this house was built in the 1870s by Eugene Raphael Plummer.

Marked by Milly Barrett Chapter Daughters of the American Revolution. January 29, 1956. California State Park Commission.

House plaque text:

Plummer House

Originally located in Plummer Park, Hollywood. Moved to this site October, 1983 to avoid its destruction. Now serving as visitors center for the Leonis Adobe.

Park plaque text:

Plummer Park

Part of lands occupied by Señora Francisca Perez under preemption law as early as 1869. Surveyed in 1871 as public lands. Deeded by Señora Perez to Eugene R. Plummer in 1877. U.S. patent issued 1880. Purchased by County of Los Angeles in 1937.

Marked by Californiana Parlor No. 247 Native Daughters of the Golden West May 18, 1946

Registered 1/11/1935