Open House New York : OHNY

The 2025 OHNY Weekend will happen soon and the lottery will be open for you to get a tour of New York City Landmarks that will blow your mind .

The 2025  Open House New York Weekend will be held on October 17th-19th, 2025. The annual Open House New York Weekend unlocks the doors of New York’s most important buildings, offering an extraordinary opportunity to experience the city and meet the people who design, build, and preserve New York. From historical to contemporary, residential to industrial, hundreds of sites across the five boroughs are open to visit, with tours, talks, performances, and other special events taking place over the course of OHNY Weekend.

Key Dates

September 19: Members Lineup Preview
Members get early access to the Weekend lineup, giving them more time to browse and plan their festival experience.

September 26: Public Reveal
The full festival lineup is revealed. You can find information about all locations, activities, dates, and times on Plan Your Weekend.

October 3: Ticket Release 
You can just show up to most sites in the lineup, but select sites and tours require tickets due to space or security reasons. Tickets are $7.

October 16: Launch Party
Celebrate the official kick-off to Open House New York Weekend with food, drinks, and entertainment. The Launch Party is a festive fundraiser. Tickets start at $100, and all proceeds help support OHNY Weekend.

October 17-19: OHNY Weekend
We’re unlocking 300 destinations across all five boroughs—from historic civic buildings to new projects reshaping neighborhoods—for tours, activities, and exploration.