$45,000 

Upcoming Events

VIP Gatsby & Gangsters Casino Night

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$345.00/person





Children under 17 must be accompanied by an adult at all times.
(1 adult for every 4 children)



Optional Add-ons

Add a treasure hunt

Hidden Gems Hunt: search for some of our favorite things (All Ages) $20.15
Espionage & Intrigue Treasure Hunt: find spy themed items (ages 7+) $22.5

Add beverages

3 Drink Tix (Liquor, Beer, Wine, or Soda) $28.05
1-Drink Tix/person (Liquor, Beer, Wine, Champagne or Soda) $15.13
Bottle of House Champagne or Wine + 2 Keepsake Glasses $93.5
Bottle of Veuve Cliquot Brut + 2 Keepsake Glasses $176.55

Add more

Explore ALL Night: Overnight Stay + Bottle of Champagne (Room Tax Add'l) $637.73
Coat or Bag Check $5.3
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Order Summary

NOTE: This is a non-refundable transaction. Minimum time need 45 minutes, maximum tour time 2 hours. Each visit promises access to at least 60 legendary rooms and 32 concealed passages. Which rooms and which secret doors change daily, as we have 112 rooms and nearly 90 secret doors! Discovering 3 secret doors makes you an above-average sleuth. It's your challenge to find and conquer!


Would you like to round up $ to support our arts & social justice programs? yes!

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Payment Terms

I authorize O Street Museum Foundation, 2020 O Street, N.W., Washington, D.C. to run my credit card, in the amount entered on this electronic form, and request my bank release these funds to the merchant processing bank.

Accounts due on delivery. A finance charge of 1.5% per month (18% annual percentage rate) will be charged on overdue accounts. should your balance become overdue, you shall be liable for all costs, including, reasonable attorney's fees, which may be incurred by H.H. Leonards Associates, Inc., trading as The Mansion on O Street, in collecting the outstanding balance on your account. Membership dues & functions are not tax deductible. This deposit is non-refundable and non-transferable. Liability: If you send in this electronic form, you agree that H.H. Leonards, 2020 O Street Corporation, O Street Museum Foundation, The Mansion on O Street and H.H. Leonards Associates (hereinafter all "HHL") and its agents shall not be liable for any personal injury or property damage incurred by you and/or your guests (hereinafter "you") at The Mansion or while coming or going from The Mansion. You shall hold HHL harmless for any and all claims arising by reason of the use of The Mansion, including but not limited to alcohol consumption.

On rare occasions, data may be inaccurately displayed on our site due to either system or human error. While we make every attempt to avoid these errors, they do sometimes occur.



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By submitting payment, you are agreeing to the following:

We follow the U.S. Department of Justice's ADA requirements for service dogs. The dog must be trained to provide assistance to a person with a disability. Visitors are not permitted to bring emotional support animals into O Museum in The Mansion.

No outside food or drink allowed. This tour reservation is non-refundable, and can be transferred to another date only if we are notified at least 5 business days in advance, based on availability. We are less than a block from the Dupont Circle Metro station south exit on the red line. You may print a copy of this reservation for your records before submitting.

A Day Club Membership (required) of $1.50 per person is included in your fee.

Liability: by submitting this electronic form, you agree that H.H. Leonards, 2020 O Street Corporation, Potomac Fund LLC, O Street Museum Foundation, The Mansion on O Street and H.H. Leonards Associations (hereinafter all "HHL") and its agents shall not be liable for any personal injury or property damage incurred by you and/or your guests (hereinafter "you") at HHL or while coming or going from HHL. You shall hold HHL harmless for any and all claims arising by reason of the use of HHL, including but not limited to alcohol consumption.