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$1,535,000
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Property Description
Perched on a high floor at 15 William Street, this two-bedroom, two-bathroom residence combines luxury finishes with sweeping views of the East River and downtown skyline. Expansive windows flood the home with natural light, perfectly highlighting the open, airy layout. The highly sought-after A-line floor plan is ideal for both daily living and entertaining. An entry foyer and gallery lead into the spacious living and dining areas, where a wraparound wall of windows frames an unparalleled view. The kitchen is a masterpiece of design, featuring a large custom island with white lacquer and stainless-steel cabinetry, Caesarstone countertops and backsplash, and a Blanco stainless-steel sink with Vola satin nickel fixtures. Top-tier appliances include a fully integrated Sub-Zero 700 series refrigerator/freezer, Miele 60-bottle wine fridge, Miele gas cooktop and convection oven, and Miele Incognito dishwasher. The serene primary suite offers skyline views, generous closet space, and a windowed en-suite bathroom with a custom Corian vanity, double medicine cabinet with integrated lighting, oversized soaking tub, separate rain shower, and Toto Carolina toilet. The bright corner second bedroom features oversized windows, ample storage, and its own en-suite bathroom with a second door connecting to the foyer. Warm Burmese Teak floors flow throughout the home, complemented by modern conveniences including an in-unit washer/dryer, multi-zone climate control for year-round comfort, and abundant storage. 15 William Street offers a world-class suite of amenities, including a Penthouse Sky Lounge with landscaped wraparound terrace with grills, private playground, professional screening room, covered dog run, valet parking, and concierge services. Nearly 18,000 square feet of wellness and fitness space features a sun-filled gym with state-of-the-art equipment, a 50' indoor heated saltwater lap pool, outdoor hot tub, sauna and steam rooms, half-court basketball, indoor squash court, and yoga studio. Situated in the Financial District, this luxury condominium is surrounded by architectural landmarks, premier shopping, top-tier dining, and convenient grocery options, including the new Whole Foods Market on Broadway. Residents enjoy easy access to multiple transit options: 2,3,4,5,6,R subways, buses, PATH, Citi Bike stations, and the NY Water Taxi.
Full Property Details
Full Property Details for 15 William St #21A
General
- Price: $1,535,000
- HOA FEE: $1,914/month
- Taxes: $30,900
- Status: Active
- Type: Apartment
- Source: REBNY
- MLS ID: RLS20053561
- Updated: 1/21/2026
- Added to Site: 109 day(s) ago
Interior
- Number of Rooms: 5
- Interior Features: Entrance Foyer, Sauna, Walk-In Closet(s)
- Furnishings: Unfurnished
- Flooring: Hardwood
Rooms
Bathrooms
- Total Bathrooms: 2
- Full Bathrooms: 2
Bedrooms
- Total Bedrooms: 2
Other Rooms
- Laundry: Building Washer Dryer Install Allowed, Common On Floor, Common Area, In Unit
Exterior
- Exterior Features: Private Outdoor Space Under 60 Sqft
Parking
- Garage: Yes
- Parking Features: Garage, Valet
Location
- County: New York
- Subdivision: Financial District
Community
- Pets Allowed: Yes
Heating & Cooling
- Central air: Yes
- Air Conditioning: Yes
- Cooling Type: Central Air
Structural Information
- Structure Type: High Rise
- Stories/Levels: 47
- Square Feet: 1,325
- Living Area: 1,325 Sq. Ft.
- Year Built: 2008
- Other Struct. Feat.: Elevator(s)
Lot Features
- Property View: River
- Lot Dimensions: 0.000000 x 0.000000
Water Features
- Water View: Yes
Financial Considerations
- Association Fee: $1,914
- Assoc Fee Freq.: Monthly
- Tax Amount: $30,900
Disclosures and Reports
- Special Conditions: Standard
- Property ID: 0025-1516
- Block: 25
- Lot Number: 7501
Listing Courtesy of Compass
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Price & Sales History for 15 William St #21A
Date
Details
Price
Change
Source
10/08/2025
Listed
$1,535,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 15 William St #21A
Year
Property Taxes
Change
Tax Assessment
Change
2025
$31,712
—
$253,700
—
2024
$31,799
1%
$254,353
1%
2023
$31,380
2%
$251,001
—
2022
$30,756
4%
$250,725
4%
2021
$29,547
-4%
$240,862
-10%
2020
$30,909
5%
$266,663
2%
2019
$29,508
32%
$260,669
5%
2018
$22,342
5%
$248,646
1%
2017
$21,366
36%
$245,984
13%
2016
$15,664
2%
$217,103
10%
2016
$15,309
49%
$197,443
5%
2015
$10,288
81%
$187,362
-2%
2013
$5,685
—
$191,367
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 15 William St #21A
15 William Street #21A, New York City, NY 10005 (MLS# RLS20053561) is a Apartment property with 2 bedrooms and 2 full bathrooms. 15 William Street #21A is currently listed for $1,535,000 and was received on October 08, 2025. Want to learn more about 15 William Street #21A? Do you have questions about finding other Apartment real estate for sale in New York City? You can browse all New York City real estate or contact a Coldwell Banker agent to request more information.
