15 West 20th Street
Apartment #8B
$4,200,000 Price
3 Bedrooms   3.0 Baths

15 West 20th Street, Union Square, NYC

Luxurious Flatiron floor-thru loft right off Fifth Avenue, in the boutique Altair 20 Condominium featuring private keyed elevator access directly into the home, wide-plank wood floors, a gas fireplace in the living room, and high 10' ceilings. With over 2.300-square-feet of interior space, enjoy an incredibly spacious...

Luxurious Flatiron floor-thru loft right off Fifth Avenue, in the boutique Altair 20 Condominium featuring private keyed elevator access directly into the home, wide-plank wood floors, a gas fireplace in the living room, and high 10' ceilings. With over 2.300-square-feet of interior space, enjoy an incredibly spacious living/dining room area with fantastic southern light and room for a formal dining table. The open, custom kitchen by Valcucine is outfitted with white quartz countertops, bright white cabinetry, breakfast bar seating, and top of the line integrated appliances, including a Sub-Zero refrigerator, wine fridge, Miele cooktop, wall oven, a built-in espresso machine, and a dishwasher. On the opposite end of the apartment, the primary suite features a walk-in closet and an over-sided, spa-like ensuite bath with radiant heated floors, double-sink vanity, a separate water closet, a deep soaking tub, and a separate glass-enclosed Dornbracht rain shower. The second suite has a large closet as well and an ensuite bath with a full-sized tub. The third bedroom is an excellent opportunity for a home office space, with the adjacent third bath having a class-enclosed rain shower as well. The home is complete with a full laundry room with side-by-side washer & dryer, 2 HVAC units for maximum comfort, and a storage unit in the basement. Altair 20 is a pre-war building originally built in 1906 and converted to a boutique condominium in 2007, with amenities including a part-time doorman, common rooftop deck, and a fitness center. Find yourself on a quiet block in the heart of the Flatiron District, in the midst of excellent restaurants, conveniences, including Whole Foods and Trader Joe's, and transportation options, including the 6, F, M, N, and R lines and the Path Train. *Stated Taxes include NYC Condominium Tax Abatement for a primary residence. Please verify eligibility at nyc.gov *Ongoing monthly assessment of $404.21 in effect

Courtesy of Leven Real Estate

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* All information furnished regarding property for sale, rental, financing or estimated mortgage rates is from sources deemed reliable but no warranty or representation is made as to the accuracy thereof. For further financing information, please contact a Brown Harris Stevens agent.

Listing Details

New Listing
Union Square, NYC
Type: Condominium
Price: $4,200,000
Maintenance/CC: $2,457
Monthly real estate tax: $34,932
Date Listed: 5/16/2025
Web ID: 1114187566

Info & Amenities

Type: Condominium
Rooms: 5.0
Bedrooms: 3
Bathrooms: 3.0
Woodburning fireplaces: 1
Washer and dryer: Yes
Built: 2006
Pets allowed: Yes

Map of Area for 15 West 20th Street 8B