9C is a stunning one-bedroom, one-and-a-half-bathroom residence located in the Onyx Condominium, a full-service building in Chelsea.
The living area is bathed in light with south facing exposures and floor to ceiling windows. A private, adjacent terrace extends your living space outdoors—ideal for morning coffee or evening cocktails. The windowed kitchen is equipped with top-of-the-line appliances including a Bosch dishwasher, Sub-Zero refrigerator, Viking stove and hood, and a built-in wine fridge. Thoughtful touches like a generous coat closet and powder room with tucked-away in-unit washer and dryer add everyday convenience. The bedroom is outfitted with its own private balcony and walk-in closet. The en-suite, spa-like five-fixture bathroom is sublime, featuring a soaking tub, stall shower, and double vanity. The apartment offers central air conditioning with thermostat control and hardwood flooring throughout.
Residents of this elevator building enjoy amenities, including attentive 24/7 doorman, gym, and not one but two rooftop terraces offering city views.
Situated in the lively neighborhood of Chelsea, a short distance from neighborhood highlights like High Line, Chelsea Market, Whitney Museum, Chelsea Piers. Located near subway and bus lines, providing easy access to the rest of the city.
Listed by Randall Gianopulos
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Sothebys International Realty
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(212) 606-7622
Listed by Colleen Marie Howard
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Sothebys International Realty
Last updated October 17, 2025
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Source: REBNY #RLS20055331
Listing Facts
TypeCondo
NeighborhoodChelsea
Bedrooms1
Bathrooms1.5
Days on Prevu5
HOA/Maint. Fees$1,813/month
Taxes$18,072/year
Size911 sqft
Price per sqft$1,755
Amenities
Dishwasher
Private Outdoor Space
Pets Allowed
Location
Mortgage Calculator
Listing History
10/17/2025
Listed by Sothebys International Realty
$1,599,000
Estimated Closing Costs
Total
$60,388
Attorney Fees
$4,000
NYC Mansion Tax
$15,990
Title Insurance
$7,196
Bank Attorney
$1,500
Mortgage Recording Tax
$27,702
Other Closing Costs
$4,000
Estimated closing costs are based on the list price of $1,599,000 and a 10% 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 261 West 28th Street 9C
Association
Amenities
Pets Allowed: Building Yes, Yes
Concierge: Doorman Yes
Fees
Association Fee: $1,813.00 Monthly
Financial
Flip Tax Remarks: Call Listing Agent
Exterior
Construction
Number Of Units Total: 52
Stories Total: 11
Structure Type: High Rise
Year Built: 2006
Building Name: Onyx Chelsea
Entry Level: 9
Features
Building Features: Elevator(s)
Patio And Porch Features: Building Terrace, Terrace, Balcony
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.