SAVE THE DATE
Doors Open California 2027
Weekends in September 2027
Explore remarkable places across California through special access, guided tours, hidden histories, architecture, landscapes, and cultural heritage.
WHAT IS DOORS OPEN?
A statewide invitation to explore.
Doors Open California is the state’s largest celebration of historic places. Each September, participating hosts invite the public into buildings, landscapes, neighborhoods, collections, and working sites in ways that are not normally available.
The 2027 program will be announced in spring 2027. Until then, prospective hosts can submit ideas and visitors can sign up for updates.
I WANT TO VISIT
Plan for September 2027
CPF members and Doors Open partners receive early registration access beginning March 3, 2027. Public registration opens March 24.
I WANT TO HOST
Open a place in 2027
Have a building, landscape, collection, neighborhood, project, or story to share? Submit a simple idea form by November 13, 2026 at 5 PM Pacific.
2027 at a glance
NOV. 13, 2026
Ideas Due
5 PM Pacific
MAR. 3, 2027
Early Registration
CPF members + partners
MAR. 24, 2027
Public Registration
Open to everyone
FROM DOORS OPEN 2026
A few doors we opened last year
Click any site to see its location, fuller description, and recorded 2026 attendance.
EXPLORE PAST YEARS
Doors Open California, year by year
See how the statewide program has grown and revisit the places and experiences that opened their doors.
2026
Four weekends of statewide discovery
The 2026 program expanded Doors Open across California with landmark buildings, hidden collections, working places, cultural landscapes, architecture tours, and special behind-the-scenes access.
2025
A statewide program finds its audience
Doors Open reached communities across the state with iconic landmarks and lesser-known places, building a statewide audience for historic places and special-access experiences.
TAKE PART IN 2027
Visit, host, or partner with Doors Open California.
Submit a place or experience for 2027, or sign up now to hear when the statewide program and registration are announced.