RealtyLens
for saleRealtyLens property overview
$1,450,000

151 W 21st St Apt 7A

Manhattan, NY, 10011
View more Manhattan, NY property pages
1Beds
1Baths
771Sqft
$1881$/sqft

Listing Notes

Welcome to Residence 7A at Chelsea Green, a beautifully designed 771-square-foot 1 bedroom condominium offering luxury finishes, a thoughtful layout, and modern sustainability in the heart of Chelsea. As the largest one-bedroom line in the building, this A-line residence features s spacious layout, elevated design, and oversized windows in each room within one of the neighborhood's premier full-service condominiums. Property Highlights: Layout: A well-proportioned 771-square-foot one-bedroom featuring a gracious foyer, oversized coat closet, and oversized windows in your new expansive living and bedroom spaces. Living Space: A 17-foot open-concept living and dining area, anchored by a wall of north-facing windows that provide beautiful natural light and defined spaces for relaxing and entertaining. Designer Kitchen: Custom Poggenpohl kitchen designed in collaboration with chef Eric Ripert, featuring sleek cabinetry, Caesarstone countertops, and premium appliances by Smeg, Bosch, and Liebherr. Spacious Bedroom Suite: King-sized bedroom with generous closet space, plus an additional large closet to optimize your storage. Luxurious Bathroom: Marble-clad bathroom with radiant heated floors, high-end fixtures, a deep soaking tub, and shower. Finishes: Wide-plank walnut floors, high ceilings, and oversized energy-efficient windows throughout. Modern Comforts: Zoned Daikin central heating and cooling, in-unit washer/dryer, and excellent storage throughout. Building & Amenities: Developed by Alfa Development and designed by the Stephen B. Jacobs Group, Chelsea Green is a LEED Goldcertified boutique condominium offering a full-service lifestyle, including: -24-hour doorman and concierge -Resident manager -Fitness center with spa and sauna -Landscaped rooftop terrace -Resident lounge -Bicycle storage and private storage options -Private storage unit Ideally located in the heart of Chelsea, Chelsea Green places you moments from the High Line, Flatiron District, Union Square, and the Meatpacking District. Enjoy easy access to world-class dining, galleries, boutique shopping, and multiple subway lines for seamless commuting. Contact us today to schedule a private tour of Residence 7A at Chelsea Green.

Market Insights

Above nearby median+15%

$1881/sqft vs a nearby median of $1637/sqft.

Nearby median$1637/sqft
Nearby properties12
Property size771 sqft
  • +15% versus the nearby median price per square foot.
  • Price history is limited, so current comps matter more than trend alone.
  • 771 sqft creates a usable price-per-square-foot read.

Pricing Read

Yardstick fair value$1.36M$1.24M$1.48M · 50% confidence
vs ask $1.45M+$93k (+6.4%)

Asking price is about 6.4% above where comps + adjustments land — there is room to negotiate.

$1,637/sqft median across 6 tight comps × 771 sqft= $1.26M
  • Transit access+$50k +4.0%
  • High-density walkability+$25k +2.0%
  • Modern construction+$19k +1.5%
Cumulative NYC adjustments+$95k+7.5%

Property Read

FreshnessCurrent market data

The listing facts are current enough for an initial property review.

Market Position+15% vs nearby

The property is priced above the nearby median per square foot, so condition, building quality, and exact location need to justify the higher ask.

Price MovementInitial price point

Price history is still limited; review again as more market activity becomes available.

Diligence Read1 item to check
AI ReadinessReady to analyze
Assistant read

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Generated from the facts shown on this page and nearby market data. Not a professional appraisal.

Listing Details

Days on market
28 days
Last price change
No change recorded
Listed
Apr 14, 2026
Photos
16 photos
Property type
condos
Status
for sale
Last sold
Nov 7, 2014 · $966,319

Features & Amenities

DoormanElevatorGymSecurity FeaturesDishwasherRecreation FacilitiesWasher DryerHigh CeilingEfficientOpen ConceptDenSoaking TubShopping

Photos

Building Facts

Year built
2012
Stories
14
Total units
50
Residential units
50
Building area
1.27 ac
Lot size
7,724 sqft
Land use
Multi-family elevator buildings
Building class
R4

From NYC public records where available.

Price History

May 4, 2026Initial record
$1,450,000for sale

You can also find this listing on StreetEasy.

Listing data sourced from streeteasy.com. RealtyLens enriches and contextualises it for you, but the original listing lives on the source.