Listing Courtesy of Corcoran Group
$26,800,000
Potential Rebate: $402,000
The James P. Warburg Mansion: A Rare Opportunity on Manhattan's Upper East Side<br> Exceptional Double-Width Mansion in a Prime UES Location<br> 37 ft Wide / 12,500 sqft approx./ Landmarks Approved<br> <br> Located on one of Manhattan's most prestigious tree-lined streets between Madison and Park Avenues, the James P. Warburg Mansion presents a once-in-a-lifetime opportunity to create a bespoke residence. This 37-foot-wide, nearly 13,000 square-foot mansion is set on an expansive 37 ft x 100 ft lot and features a front courtyard, second-floor terrace, and a 30-foot garden setback.<br> <br> Delivered with landmark approval, a Spanish sandstone fa ade, construction approval, building permits, and floor area permits, this property is a historic gem waiting to be reimagined.<br> <br> A Storied History and Architectural Legacy<br> <br> The Warburg family, renowned for their contributions to finance, art, and philanthropy, called this residence home. The mansion stands as a testament to the family's enduring legacy. Originally built in 1900 as two-row houses, the property was transformed in the 1920s into a single residence by acclaimed architect William Lawrence Bottomley, a graduate of the Ecole des Beaux-Arts in Paris and one of New York's most distinguished designers.<br> <br> Bottomley's influence can be seen in the mansion's timeless neo-Medieval design, featuring elegant archways, clean architectural lines, and the distinct Spanish sandstone facade that distinguishes it from neighboring homes.<br> <br> Prime Upper East Side Location<br> <br> This residence sits on the south side of East 70th Street, a block known for its historic and architectural significance. Neighboring iconic institutions like the Frick Museum and notable homes of distinguished families such as the Lehmans and Wertheims, the mansion offers a rare combination of history, elegance, and convenience. Its north-facing position ensures an abundance of natural light throughout the day, accentuating its grand interiors.<br> <br> Limitless Potential: A Blank Canvas for Modern Luxury<br> <br> This mansion offers approximately 12,439 square feet of interior space, ready to be transformed into a modern masterpiece. Each of its five stories features soaring ceilings of up to 15 feet, enhancing the sense of grandeur and scale.<br> <br> The expansive layout includes:<br> <br> Five levels plus a cellar, perfect for luxurious living and entertaining.<br> A second-floor terrace for private outdoor enjoyment.<br> A front courtyard and rear garden that provide opportunities to create a serene outdoor oasis in the heart of Manhattan.<br> <br> With its flexible design potential, the property is a canvas for crafting an extraordinary home that reflects your personal vision, seamlessly blending historic elegance with contemporary comforts.<br> <br> Outdoor Space with Endless Possibilities<br> <br> The mansion's 30-foot rear garden setback and ample outdoor spaces offer the opportunity to create a private urban sanctuary. Whether it becomes a lushly landscaped garden, an alfresco dining area, or an entertainer's paradise, the outdoor areas perfectly complement the grandeur of the interiors.<br> <br> Architectural Brilliance<br> <br> William Lawrence Bottomley, celebrated for his works across Manhattan, including the River House and Turtle Bay Gardens, merged two historic structures to create this masterpiece in the 1920s. His design honors the property's original neo-medieval charm while allowing for modern adaptations, offering the perfect balance of timeless craftsmanship and contemporary functionality.<br> <br> An Unparalleled Opportunity<br> <br> The James P. Warburg Mansion represents the ultimate in Upper East Side townhouse living. Its rich history, architectural pedigree, soaring ceilings, and grand proportions offer the chance to create a legacy property that will endure for generations.<br> <br> This is more than a home-it's a statement of timeless sophistication and elegance, set in one of the most desirable locations in Manhattan.<br>
$149,800 per month
30 year fixed, 6.28% Interest
One-time rebate at closing
$402,000
Monthly savings impact
$1,117/mo
💡 Estimated at 1.5% of purchase price
The rebate is paid to you at closing and can help offset closing costs or other expenses.
Calculator Disclaimer: This calculator provides estimates for informational purposes only. Actual monthly payments, interest rates, taxes, and rebate amounts may vary. The rebate calculation is an estimate and subject to final terms. This information is not provided by the Real Estate Board of New York (REBNY).
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RLS IDX Data display by Real Estate Rebate Team. This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2025 The Real Estate Board of New York, Inc., All rights reserved. IDX information is provided exclusively for consumers’ personal, non-commercial use and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and for no listing shall the number of bedrooms listed be considered a legal conclusion.
The Real Estate Rebate Team
Listing Courtesy of Corcoran Group
Data Source: TRESTLE #RLS11025768

Compare average listing prices and value metrics for 34-36 East 70TH Street against the surrounding Lenox Hill market.
than the Lenox Hill price-per-sq-ft average
This building commands a premium compared to the neighborhood baseline. This typically indicates superior amenities, newer construction, or prime positioning within Lenox Hill.
Lenox Hill is the medical and residential heart of the UES. It is classic and clean. For buyers seeking Lenox Hill Manhattan real estate, it offers stability.
Living in Lenox Hill is polished. As a Manhattan NYC neighborhood, it is established.
The market for homes for sale in Lenox Hill includes white-glove co-ops.
The lifestyle in Lenox Hill is refined.
Lenox Hill is served by the 6 and Q trains.
Central Park is the western border.
Amenities: Luxury shopping on Madison Ave.
Lenox Hill is best for doctors and established families.

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