Skip main navigation
Off market
  • $3,866,200

    15 W 20th St APT 8B, New York, NY 10011

    3beds
    2,320sqft
    Apartment
    Built in ----
    -- sqft lot
    $3,866,200 Zestimate®
    $1,666/sqft
    $7,285 Estimated rent

    Home value

    $3,866,200

    $3.48M - $4.33M

    $7,285/mo

    Zestimate® history
    Loading
    Loading...

    Owner options

    List your home for rent

    $7,285/mo

    Rent Zestimate®

    Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.

    Learn more

    $7,285/mo

    Rent Zestimate®

    Refinance and save

    $23,658/mo

    Est. payment

    Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.

    See today's rates

    $23,658/mo

    Est. payment

    Explore your selling options

    Work with a Zillow partner agent

    Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.

    Get started

    List with your own agent

    Get your home in front of millions of buyers by listing it on Zillow.

    Learn how to do it

    Sell it yourself

    Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).

    List your home

    What's special

    PRE-WAR FLOOR-THROUGH LOFT WITH LUXURIOUS FINISHES AND FIREPLACE Luxurious Flatiron floor-through 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.

    This property is off market, which means it's not currently listed for sale or rent on Zillow. This may be different from what's available on other websites or public sources.

    Zillow last checked:

    Listing updated:

    Source: Zillow Rentals

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 3
    • Bathrooms: 3
    • Full bathrooms: 3
    Heating
    • Fireplace
    Cooling
    • Central Air
    Appliances
    • Included: Dishwasher, Dryer, Washer
    • Laundry: In Unit
    Features
    • Elevator, View
    • Flooring: Hardwood
    • Has fireplace: Yes
    Interior area
    • Total interior livable area: 2,320 sqft

    Property

    Parking
    • Details: Contact manager
    Features
    • Exterior features: Broker Exclusive, Fios Available, Live In Super
    • Has view: Yes
    • View description: City View
    Details
    • Parcel number: 008221315

    Construction

    Type & style
    • Home type: Apartment
    • Property subtype: Apartment

    Community & HOA

    Community
    • Features: Fitness Center, Gated
    HOA
    • Amenities included: Fitness Center
    Location
    • Region: New York

    Financial & listing details

    • Price per square foot: $1,666/sqft
    • Tax assessed value: $860,885
    • Annual tax amount: $44,124
    • Date on market: 10/7/2025
    • Lease term: Contact For Details

    Price history

    DateEventPrice
    1/28/2026Listing removed$17,900$8/sqft
    Source: Zillow Rentals Report a problem
    12/1/2025Price change$17,900-8.2%$8/sqft
    Source: Zillow Rentals Report a problem
    11/24/2025Listing removed$4,200,000$1,810/sqft
    Source: StreetEasy #S1771518 Report a problem
    10/7/2025Listed for rent$19,500+85.7%$8/sqft
    Source: Zillow Rentals Report a problem
    5/16/2025Listed for sale$4,200,000+17.2%$1,810/sqft
    Source: StreetEasy #S1771518 Report a problem
    3/30/2021Listing removed--
    Source: Zillow Rental Network_1 Report a problem
    3/26/2021Listed for rent$10,500-18.6%$5/sqft
    Source: Zillow Rental Network_1 Report a problem
    2/13/2018Listing removed$12,900$6/sqft
    Source: CMB Realty, LLC #259249 Report a problem
    1/24/2018Price change$12,900-11%$6/sqft
    Source: CMB Realty, LLC #259249 Report a problem
    12/26/2017Sold$3,585,000-1.8%$1,545/sqft
    Source: Public Record Report a problem
    12/2/2017Listed for rent$14,500-6.5%$6/sqft
    Source: CMB Realty, LLC #259249 Report a problem
    10/21/2017Pending sale$3,650,000$1,573/sqft
    Source: Citi Habitats #6619727 Report a problem
    9/22/2017Listed for sale$3,650,000+4.4%$1,573/sqft
    Source: Citi Habitats #6619727 Report a problem
    6/16/2017Listing removed$3,495,000$1,506/sqft
    Source: Citi Habitats #6539709 Report a problem
    5/9/2017Listed for sale$3,495,000+24.8%$1,506/sqft
    Source: Citi Habitats #6539709 Report a problem
    5/29/2013Listing removed$15,500$7/sqft
    Source: Citi-Habitats #nakedapts_1859579 Report a problem
    4/30/2013Listed for rent$15,500+3.3%$7/sqft
    Source: Citi-Habitats Report a problem
    9/21/2011Listing removed$15,000$6/sqft
    Source: Citi Habitats - #203139 Report a problem
    8/21/2011Listed for rent$15,000$6/sqft
    Source: Citi Habitats - #203139 Report a problem
    3/26/2010Sold$2,800,0000%$1,207/sqft
    Source: Public Record Report a problem
    7/3/2007Sold$2,800,187$1,207/sqft
    Source: Public Record Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$44,124 +1.5%$387,398 +14.4%
    2024$43,488 +1.8%$338,764 -2.8%
    2023$42,716 $348,558 +1.3%
    2022-- $344,165 -0.6%
    2021-- $346,085 -9.7%
    2020-- $383,340 +2.3%
    2019$33,633 -17.8%$374,711 +3.6%
    2018$40,917 +5%$361,610 +5.3%
    2017$38,951 +4.1%$343,414 +4.5%
    2016$37,402 $328,613 +9.3%
    2015$37,402 +177.2%$300,567 +4.4%
    2014$13,493 $287,964 +6.4%
    2013-- $270,687 +3%
    2012-- $262,785 -8.1%
    2011-- $286,017 +11.7%
    2010-- $255,967 +31.8%
    2009-- $194,201
    Find assessor info on the county website

    Neighborhood: Flatiron District

    Nearby schools

    GreatSchools rating