Condominium · 2009
Chelsea Modern
447 West 18th Street, New York, NY 10011
Buildings·Condominium

Chelsea Modern

447 West 18th Street, New York, NY 10011

At a glance
Year built
2009
Type
Condominium
Landmark
No

447 West 18th Street is one of West Chelsea's signature design statements. Completed in 2009 to a design by architect Audrey Matlock, Chelsea Modern is instantly recognizable for its blue-tinted, horizontally angled glass façade — a faceted, wave-like front that nods to the Hudson River a few blocks west. It arrived as the gallery district was transforming into one of Manhattan's most architecturally ambitious neighborhoods, and it remains a building people stop to look at.

The location is the heart of contemporary Chelsea: steps from the High Line, close to the Hudson River waterfront, the Chelsea Piers complex, and the dense concentration of art galleries that define the district. Within that setting, Chelsea Modern offers a boutique condominium of 47 homes with full-service staffing and a genuine amenity package.

For buyers, the proposition is design-forward and location-rich: an architecturally distinctive condominium beside the High Line, with the financing flexibility and ownership latitude a condominium provides, in a corridor where new for-sale supply is tightly held.

Building operations

As a condominium, Chelsea Modern offers the ownership flexibility downtown buyers want. Financing is flexible — there are no co-op-style financing caps. There is no board admissions process — purchases clear through a right-of-first-refusal rather than a board package and interview. Pied-à-terre, trust, LLC, and investment purchases are customary, and resale and subletting are materially freer than in a cooperative. Pets are permitted, and washer/dryers are standard in the homes. Service and amenities are full-featured for a boutique building: a full-time doorman and concierge, a landscaped roof deck, a private outdoor garden and courtyard, a high-end fitness center with a steam room and showers, a bike room, and cold storage.

Local Law 97

Carbon-penalty exposure
🟡
Moderate — manageable today, 2030 cliff likely
2024–2029 annual penalty
$0 (under cap)
2030–2034 annual penalty
$16,740/yr
Per unit / month range
$0 – $30
See full Local Law 97 analysis — emissions history, scenarios, methodology →

Facade safety — Local Law 11

Local Law 11 / FISP · last inspection 2020–25
Safe
What this means for you

The facade passed its last inspection with no required repairs — nothing to budget for here, and no facade assessment on the horizon for roughly five years.

Inspection history
2015–20
Safe
2020–25
Safe
2025–30
Due
Next report due
by Feb 2027
On record
$6,000 in filing penalties
The three grades, in buyer terms
SafeGood for ~5 years — no facade assessment on the horizon.
SWARMPSafe now, repairs due on a deadline — budget for the work or a possible assessment.
UnsafeActive hazard: sidewalk shed and repairs now. Expect disruption and an assessment.

QEWI = Qualified Exterior Wall Inspector — the licensed engineer the city requires to sign the report (the independent expert, not the managing agent). Source: NYC DOB facade filings (FISP) · The Roebling Research Library.

See the full facade history →

Recent sales

With 47 condominium homes, turnover at Chelsea Modern is steady but contained — a handful of resales in a typical year. Pricing reflects West Chelsea's strong values for design-forward condominiums beside the High Line, with the terraced upper-floor homes and the larger layouts at the top of the range. The architecture and the location distinguish a home here from the district's plainer product. The live /sales record for this BBL captures recorded transfers as they occur; for current value, compare against the building's own closings and the nearest West Chelsea / High Line condominiums.

What to know if you’re buying

The advantages of a condominium apply in full: flexible financing, no board interview, and the customary acceptance of pied-à-terre, trust, and LLC purchases. The building's distinguishing features — Matlock's faceted façade, the High Line adjacency, in-unit washer/dryers, and private outdoor space — are real value drivers and worth weighing against floor and exposure. Diligence centers on the offering plan, the common-charge and tax structure, the reserve, and the specifics of the home, including the condition of the glass-and-terrace envelope. We help buyers underwrite the apartment, weigh the comparison set, and structure the purchase.

What to know if you’re selling

The story is design and location: an Audrey Matlock building with a wave-faceted blue-glass façade, steps from the High Line, with private terraces and a real amenity package. The marketing core is the architecture and the West Chelsea address, and the comparison set is the design-forward condominiums of the High Line corridor. Presenting a home's outdoor space, light, and finishes accurately — and positioning a terraced or upper-floor unit on its distinctiveness — is what produces the strongest result. Condominium closing mechanics keep the path predictable for the flexibility-minded buyer this building attracts.

Comparable buildings

If you're considering Chelsea Modern, also evaluate these West Chelsea condominiums:

The Roebling Team at Chelsea Modern

The Roebling Team at Compass specializes in the design-forward condominiums of West Chelsea and the High Line corridor, where value turns on the specific home — its architecture, outdoor space, and light — and where the pricing sits against the right comparison set. We publish this profile because buyers and sellers at 447 West 18th Street deserve building-specific intelligence: the architecture, the ownership structure, the amenities, and the market context. A 30-minute consultation is the right starting point.

Considering a move at Chelsea Modern?

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Corey Cohen, Principal · The Roebling Team at Compass
646.939.7375 · c.cohen@compass.com