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Building exterior 4 photos

21 Chelsea

120 West 21st Street, NY 100114.8 ★ (128 reviews)
Rental building
Website

Summary

21 Chelsea is a full-service rental on West 21st Street with a planted rooftop, refreshed gym and coworking lounge, shared laundry and a mix of older and updated apartment finishes. Long-term residents consistently praise the doormen, maintenance and location; package handling and one serious mold-response complaint are the main recent concerns.

209 unitsOpened 2001Managed by UDR

Reviews

21 Chelsea has an unusually strong record from residents who stayed for several years, especially around its staff, upkeep and roof. The critical feedback is much narrower, centered on inconsistent package handling and a serious case where management was slow to address mold.

Google
4.8
128 reviews
Openigloo
4.1
14 reviews
ApartmentRatings
2.5
1 review
Yelp
4.0
29 reviews

What residents praise

Doormen create a friendly, secure home

Residents repeatedly describe staff who know them and their guests, handle questions thoughtfully and continue helping even after a resident moves out.

Maintenance is responsive and the building is well kept

Long-term residents praise quick repairs, reliable everyday upkeep and appliances that generally perform well even in older apartment packages.

The roof and Chelsea location are hard to beat

The planted rooftop works well for gatherings, while Trader Joe’s, several subway lines, Chelsea and Flatiron are all within a short walk.

What residents complain about

Package handling can be inconsistent

One former resident describes a disorganized package room and slow retrieval, while still singling out one doorman as consistently helpful.

A serious mold complaint received a slow response

One resident reports exposed mold lasting for two months despite repeated contact with management, eventually leading them to leave the apartment.

Amenities

21 Chelsea has a 24-hour attended lobby, shared laundry room and built-in air conditioning. Shared amenities include a fitness center and rooftop terrace, with storage lockers, a bike room and a public garage in the building.

In the apartment
Air conditioning
Dishwasher
In the building
24-hour doorman*
Elevator
Fitness center*
Pool
Not available
Shared outdoor space*
On-site parking*
Package service
Resident storage*
Shared laundry

* Fees apply to marked amenities. See Costs in the Availability tab.

Also here: Bike storage · Resident lounge · Party and event rooms · Screening room · Smart-home package · Pet-friendly with breed restrictions

Location

21 Chelsea is located at 120 West 21st Street, New York, NY 10011. 21 Chelsea is three minutes from the F and M at 23rd Street and one minute from Trader Joe’s, with the 1 and several 14th Street lines also close. Daily errands do not require a car, and Chelsea Green, Madison Square Park and the West Side are all walkable.

TransitSupermarketsParks
  • 3 min
    23 StFM
  • 4 min
    23 St1
  • 5 min
    18 St1
  • 6 min
    14 St123FLM
  • 7 min
    23 StRW
  • 7 min
    6 Av123FLM

Building records

Housing complaints are relatively uncommon compared with similar buildings, with noise accounting for most reports. An open rodent violation makes pest control worth asking about, while exterior work on the building may bring disruption.

Reported housing complaintsPast 3 years

Reported housing complaints
Housing-related reports submitted to NYC 311 by residents or the public. A report describes a reported issue, not a confirmed violation.

6.2 reports per 100 apartments, versus 28.7 for other comparable apartment buildings in New York.

CategoryReportsLatest
9
May 2025
2
Aug 2025
1
Oct 2025

HPD housing-code violationsPast 3 years

HPD housing-code violations
Housing-code violations issued by NYC’s Department of Housing Preservation and Development after an inspection. Routine administrative filings and notices are excluded.
ConditionCitationsStatus
1
1 open
1
1 open

Construction nearby

Construction nearby
Construction projects on or near this building with active work permits.
ProjectDistanceLatest permit
On buildingApr 2026
50 ftAug 2026
50 ftAug 2026

Rent history

Studios ask about 1% more than the Chelsea median and are around 11% smaller. One-bedrooms ask about the same as the Chelsea median and are around 7% smaller.

Typical rents

Typical rents
Final asking rents from listings that ended in the past year, compared with the same apartment size across buildings in Chelsea.
Studio
$4,860median / mo
+1% vs area
$4,200–$5,119449 sq ft · 11% smaller than area
1 bed
$6,325median / mo
Same as area
$5,515–$6,861607 sq ft · 7% smaller than area

Concessions

Historical concessions
Free-rent offers on listings that ended in the past year, including listings with no offer.

No free-rent offers appeared in the past year’s listings.

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