The Mansion on O & O Street Museum

The Mansion on O & O Street Museum 100 rooms, 80+ Secret Doors, Immersive Exhibits. Mrs. Rosa Parks "Home-away-from home" (1994-2004). Due to our privacy policy we never allow walk-ins.

tours, concerts, holidays: http://omuseum.org/calendar
meetings & retreats: http://omansion.com/meetings
corporate events & dining: http://omansion.com/corporate
weddings: http://omansion.com/weddings
parties: http://omansion.com/corporate
bar mitzvah, bat mitzvah: http://omansion.com/mitzvahs
lodging: http://omansion.com/lodging
public events: http://omuseum.org/calendar
YouTube: http://www.youtube.com/user/ostmansion

On-line reservations are required for public events, concerts, and tours.

09/06/2026

Spend this Labor Day at The O…WE’RE OPEN

Buy tickets now omuseum.org/tix

The O Museum is OPEN this Labor Day! Visit today! OMUSEUM.org/tix
08/28/2026

The O Museum is OPEN this Labor Day!

Visit today! OMUSEUM.org/tix

08/19/2026
We were thrilled to welcome the National Society of Collegiate Scholars’ ScholarCON 2026 to the O Museum! Following H’s ...
08/15/2026

We were thrilled to welcome the National Society of Collegiate Scholars’ ScholarCON 2026 to the O Museum! Following H’s talk, students got the chance to tour the Mansion, discover its hidden rooms, and enjoy a fun evening together.

Thank you to NSCS for spending the evening with us!

08/12/2026

Celebrating National Vinyl Record Day at The O! Part of the fun at O Museum is finding vintage goodies tucked away in our five historic townhomes. Here are some of our recent record finds 🎶

08/08/2026
Can you guess what this object is from the zoomed-in photo? 👀 Swipe to the second image to reveal the answer!
08/04/2026

Can you guess what this object is from the zoomed-in photo? 👀 Swipe to the second image to reveal the answer!

Address

2020 O Street NW
Washington D.C., DC
20036

Opening Hours

Monday 9am - 6pm
Tuesday 9am - 6pm
Wednesday 9am - 9pm
Thursday 9am - 9pm
Friday 9am - 9pm
Saturday 9am - 9pm
Sunday 9am - 6pm

Telephone

(202) 496-2020

Website

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