Listing Courtesy of AA Management NYC LLC
$1,625,000
Potential Rebate: $24,375
Residence 21E at 15 William Street is a spacious and light-filled two-bedroom, two-bath home in one of Downtown Manhattan’s premier full-service condominiums.<br><br>This corner residence boasts floor-to-ceiling windows and soaring ceilings, flooding the home with natural light and offering sweeping city views. The open-plan living and dining area is ideal for entertaining, with a chef’s kitchen featuring custom cabinetry, Caesarstone countertops, and top-of-the-line appliances by Miele, Gaggenau, and Sub-Zero.<br><br>The primary suite accommodates a king-sized bed, includes a large walk-in closet, and a spa-like ensuite bath with a deep soaking tub, rain shower, and double vanity. The second bedroom is generously sized — perfect as a bedroom, home office, or guest suite — with an adjacent full bath. An in-unit washer/dryer completes the convenience of this beautiful home.<br><br>15 William offers one of the most comprehensive amenity packages in Lower Manhattan: a 24-hour doorman and concierge, resident lounge, screening room, indoor lap pool, fitness center, yoga studio, squash court, children’s playroom, and a landscaped rooftop sundeck with breathtaking skyline and harbor views.<br><br>Located in the heart of the Financial District, the building is steps from the South Street Seaport, the World Trade Center, Wall Street, Fulton Center, and multiple subway lines — providing seamless access to the rest of the city.<br><br>$1,471.16/Month special assessment until January 2026 for the replacement of all AC units in the apartment installed in 2025. Post closing Buyer must pay the installments to be due at the time.
$12,412 per month
30 year fixed, 6.28% Interest
One-time rebate at closing
$24,375
Monthly savings impact
$68/mo
Effective Purchase Price
$1,600,625
(Home Price - Estimated Rebate)
💡 Estimated rebate from our commission
The rebate is paid to you at closing and can help offset closing costs or other expenses.
Calculator Disclaimer: Commission structures vary by property, developer, and transaction. Resale properties typically offer around 3% buyer-side commission, and new developments around 5%, but this is not guaranteed. New developments are often open to negotiation, and each property and transaction is unique. Rebate amounts shown are estimates only. Please confirm commission terms and rebate eligibility with Regis Roumila for the specific property you are interested in. This information is not provided by the Real Estate Board of New York (REBNY).
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. ©2026 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 the number of bedrooms listed is for informational purposes and is not a legal conclusion. Please consult with your own architect or engineer for exact dimensions and legal specifications.
The Real Estate Rebate Team
Listing Courtesy of AA Management NYC LLC
Data Source: TRESTLE #RLS20048246
RLS at REBNY

2.5%
Experience
Member
Listings
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. ©2026 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 the number of bedrooms listed is for informational purposes and is not a legal conclusion. Please consult with your own architect or engineer for exact dimensions and legal specifications.
The Real Estate Rebate Team
Listing Courtesy of AA Management NYC LLC
Data Source: TRESTLE #RLS20048246
RLS at REBNY

Compare average listing prices and value metrics for 15 William Street against the surrounding Financial District market.
than the Financial District price-per-sq-ft average
Units in this building are listed below the neighborhood average, potentially offering better value per square foot compared to surrounding properties.

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