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.

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!

Happy national coloring book day! We love to share the creativity of our guests, and encourage you to let yours shine.Vi...
08/02/2026

Happy national coloring book day! We love to share the creativity of our guests, and encourage you to let yours shine.

Visit today omusuem.org/tix

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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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