BuySellBlogBrowse Listings

15 William Street 21ANew York, NY 10005

For Sale

$1,535,000

Smart Buyer Rebate $19,188

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. Ongoing special assessment of $1,471.16/month through January 2026 for the replacement of all AC units in the apartment.

Listed by Ian Lefkowitz

·

Compass

·

(201) 704-7004

Listed by Molly Reynolds Cox

·

Compass

Last updated October 19, 2025

·

Source: REBNY #RLS20053561

Listing Facts

  • TypeCondo
  • NeighborhoodFinancial District
  • Bedrooms2
  • Bathrooms2
  • Days on Prevu14
  • HOA/Maint. Fees$1,825/month
  • Taxes$31,320/year
  • Size1,325 sqft
  • Price per sqft$1,158

Amenities

  • Pets Allowed
  • Concierge
  • Parking

Location

Mortgage Calculator

Listing History

10/08/2025
Listed by Compass
$1,535,000

Estimated Closing Costs

Total
$55,397
Attorney Fees
$4,000
NYC Mansion Tax
$15,350
Title Insurance
$6,908
Bank Attorney
$1,500
Mortgage Recording Tax
$23,639
Other Closing Costs
$4,000

Estimated closing costs are based on the list price of $1,535,000 and a 20% downpayment. These estimates are for indicative purposes only. Actual closing costs may vary for each transaction. See the Closing Costs Calculator for calculations specific to your situation.

Property Details for 15 William Street 21A

Association

Amenities

  • Pets Allowed: Building Yes
  • Concierge: Doorman Full Time, Concierge Yes

Fees

  • Association Fee: $1,825.00 Monthly

Exterior

Construction

  • Number Of Units Total: 319
  • Stories Total: 47
  • Structure Type: High Rise
  • Year Built: 2008
  • Entry Level: 21

Features

  • Building Features: Elevator(s)
  • View: River

Measurements

  • Lot Size Dimensions: 0
  • Lot Size Units: SquareFeet

Financial

Taxes

  • Parcel Number: 0025-1516
  • Tax Annual Amount: $31,320.00

Interior

Features

  • Flooring: Hardwood
  • Interior Features: Entrance Foyer, Sauna, Walk-In Closet(s)

Measurements

  • Living Area: 1,325
  • Living Area Units: SquareFeet

Rooms

  • Bathrooms Full: 2
  • Bathrooms Total Integer: 2
  • Bedrooms Total: 2
  • Rooms Total: 5

Other

Location

  • City Region: Manhattan
  • Subdivision Name: Financial District
  • Tax Block: 00025
  • Tax Lot: 1436

Parking

Parking

  • Garage: Yes
  • Parking Features: Garage, Valet

Utilities

Equipment

  • Cooling: Central Air
  • Has Cooling: Yes
  • Laundry Features: Common Area, In Unit

Based on information from Real Estate Board of New York and/or other sources. 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.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.