
The James A. Burden and Otto Kahn Mansion is a pair of connected historic mansions on 91st Street between Fifth Avenue and Madison Avenue, widely regarded as the grandest block in New York. Part of the Convent of the Sacred Heart, the venue features Italian Renaissance architecture in the Otto Kahn Mansion and Golden Age grandeur in the James Burden Mansion. With crystal chandeliers, marble staircases, ornate ceilings, and a limestone courtyard overlooking Central Park, the venue offers an unparalleled palatial setting for weddings of up to 200 guests.
Pricing
Choose the details of your day and see each charge update as you go.
Your estimate · Est.
By quote
Some costs need a quote from the venue.
Not in this estimate
Estimates use publicly available pricing and may not include every cost. Confirm final pricing with the venue.
Pricing your day
Want numbers you can compare before you ask?
We price 167 more venues within 50 miles of New York, NY the same way — from each venue's own rate card, at your guest count. Pick a budget and Sage will show the venues that match, with estimates. Free, no account needed.
The property
Two connected historic mansions on Manhattan's Upper East Side. The Otto Kahn Mansion is an Italian Renaissance-style landmark, and the James Burden Mansion is a Golden Age masterpiece, both serving as elegant private event spaces with multiple rooms.
The setting
The Otto Kahn Mansion courtyard offers views of Central Park.
The Ballroom in the James Burden Mansion overlooks 91st Street and the Cooper Hewitt Museum, once home of Andrew Carnegie. The architectural details throughout both mansions are themselves a scenic highlight.
Numbers are the capacity the venue states for that part of the day. Tap a space to read about it.
Planning details
Vendor policies, timing and house rules to plan around.
Rain plan
Backup plan in place
The courtyard is the only outdoor space. Multiple indoor rooms in both mansions can serve as alternatives for ceremony, cocktail hour, and reception if weather does not permit outdoor use.
On the property
Keep exploring
State your guest count, budget and the things you can't compromise on. You get back the ones that actually fit — with why each one does, the trade-offs, and what to confirm with the venue.

New York Academy of Medicine
New York, NY · 1 mi away

American Museum of Natural History
New York, NY · 1 mi away
Up to 400 guests

Harold Pratt House
New York, NY · 1 mi away
Up to 180 guests
Sage the Date reads all of this from each venue's own published material — pricing, catering and alcohol rules, music curfews, weather backup, exclusive use, capacity by space — and builds every estimate at your guest count. Where a venue states nothing, we say so rather than guessing.
Not ready to reach out?
See how this compares to other venues near New York, NY