- Type
- Condominium
- Units
- 202
- Floors
- 40
- Landmark
- No
- Amenities
- 24-hour doorman and concierge; full-floor Thomas Balsley-designed roof deck on the 40th floor with grills and a dog run; fitness center with indoor half basketball court; approximately 3,000-square-foot residents' lounge with fireplace, billiards, dining area, and catering kitchen; landscaped garden (the "Zen garden" of the house rules on file); bike room; private storage; live-in resident manager
- Pets
- Pets permitted, subject to the house rules on file
- Financing
- 20 percent minimum down per listing records — verify current requirements
Every recorded sale at this building, 2024–2026
Price-per-square-foot over time, the line- and floor-premium curves, and every recorded sale.
- Recorded sales
- 27
- On record
- 2024–2026
The Chelsea Stratus is a piece of neighborhood-scale history: completed in 2008 as the tallest condominium tower in Chelsea, it was the first condo tower in the wave of residential high-rises that replaced the city's former flower district on Sixth Avenue above 23rd Street after the late-1990s rezoning. LCOR developed the 40-story, 491-foot tower on a former Con Edison parking lot, with SLCE Architects designing the gray-tinted glass envelope. Nearly two decades on, the building has matured into the corridor's established full-service condominium — the known quantity against which the avenue's newer and older towers both get priced.
The amenity program is the building's market signature, and it is genuinely unusual for its vintage: the entire 40th floor is given over to a Thomas Balsley-designed roof deck with grills, a dog run, and panoramic views from the Empire State Building to the harbor — full-floor amenity roofs remain rare even in newer Chelsea product — plus a fitness center with an indoor half basketball court, a roughly 3,000-square-foot residents' lounge with fireplace, billiards, and catering kitchen, and a landscaped garden at the base. For one- and two-bedroom buyers comparing amenity stacks per dollar across Chelsea and Flatiron, the Stratus consistently screens well.
The location argument is corridor arithmetic. The F/M sit at the corner, the 1 and R/W within two blocks, the C/E and PATH within a few minutes — and the building stands roughly equidistant from Madison Square Park's restaurant gravity (Eataly a block east), the High Line four blocks west, and Union Square ten minutes south. The trade is honest: Sixth Avenue is a working traffic artery, and the building's quiet lines face away from it.
Architecture and unit composition
SLCE's tower rises from a five-story base that holds the streetwall with roughly 16,000 square feet of retail, then runs as a glass shaft to the full-floor amenity crown. The residential mix — 202 units per city records — is dominated by one- and two-bedrooms in efficient, windowed-kitchen layouts, with studios on lower floors and three-bedroom penthouses on the top residential floors. Many lines carry balconies with one slightly angled side, the building's recognizable exterior detail; interiors were delivered with Macassar ebony kitchen cabinetry, stone countertops, and premium appliance packages per architectural and listing records, and ceiling heights run from about 9'3" to 11 feet. The building's most singular unit is a townhouse-style residence at the third floor with a 441-square-foot private garden courtyard, documented in the offering plan's Schedule A on file. Corner exposures above the mid-rise neighbors take open Empire State Building, Hudson, and downtown views.
Building operations
Full-service condominium mechanics: 24-hour doorman and concierge, valet services, live-in resident manager, and institutional management, with building communications and operations run through a resident portal per the house rules on file. The condominium's governing stack is well documented in The Roebling Research Library — offering plan and amendments, Schedule A, by-laws, house rules, and audited financial statements, including the association's 2009 purchase of the resident manager's unit, a balance-sheet asset worth noting in financial review. Buyers' attorneys should review current financials and any capital schedule alongside the documents on file.
Local Law 97
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $147,549/yr
- Per unit / month range
- $0 – $61
Recent sales
The retrade record
Lines that have traded more than once in the public record — the building’s appreciation arc, apartment by apartment.
Recent closings at this building, sourced from NYC Department of Finance records. Apartment-level detail (line, condition, asking-price context) verified upon consultation request.
| Date | Unit | Price |
|---|---|---|
| Apr 27, 2026 | 5B | $1,280,000 |
| Apr 10, 2026 | 23E | $2,200,000 |
| Apr 2, 2026 | 19D | $2,750,000 |
| Dec 29, 2025 | 28B | $2,690,000 |
| Dec 31, 2025 | 2B | $3,193,000 |
| Oct 16, 2025 | — | $12,500,000 |
Full closing history with price-per-square-foot over time, the complete retrade record, and every line that has traded.
Sales sourced from NYC Department of Finance recorded transfers (BBL 1-00800-7504) and verified listing data. Apartment-level facts (line, condition, asking-price context) curated and cross-verified by The Roebling Team research desk. Not all transactions cross-verify with ACRIS records — sponsor and LLC purchases sometimes record at stipulated values rather than market price.
What to know if you’re buying
The condo framework is fully conventional — use it. Pieds-à-terre and investors are welcomed per listing records, financing at 20 percent down is the documented convention, and transfer mechanics are condominium-standard. For buyers structuring through trusts or LLCs, confirm specifics with the managing agent and your attorney.
Underwrite taxes at the unabated number. Schedule A on file shows the building launched with 421-a benefits; that schedule has run its course. The monthly tax line on older listings is not a guide — verify the unit's current assessment and run the True Monthly Carrying Cost Calculator.
Buy the line, not the building average. The spread between low-floor avenue-facing units and high-floor corners with Empire State views is wide. Balconies, floor height, and exposure drive the per-foot math here more than finishes.
The amenity stack is the value case. A full-floor roof deck, basketball court, and 3,000-square-foot lounge at this price tier is the building's structural argument against newer boutique condos with thinner programs. Price the common charges against what you would actually use.
Sixth Avenue is loud and useful in equal measure. Transit density is exceptional; so is traffic. Spend time in the specific unit at rush hour before contract.
Review the house rules before planning your move. Move-ins, deliveries, grilling, and amenity reservations run through documented procedures in the house rules on file — standard for a building of this scale, but worth reading early.
What to know if you’re selling
Same-building comparables rule the appraisal. With 200-plus units and steady turnover, your buyer's lender will see every recent trade. Price against same-line and same-tier history — we maintain it in the Research Library — rather than against newer-development asking prices.
Market the roof and the court, with specifics. The full-floor Balsley roof deck and the indoor basketball court are the two features buyers remember from showings. Name them precisely; generic "luxury amenities" copy wastes the building's best material.
Position against both generations. Your competition is post-2015 Chelsea and NoMad product at higher per-foot pricing and 2000s-vintage neighbors at similar pricing with thinner amenities. The Stratus pitch is the middle path: institutional scale, mature financials, full amenity program, proven resale liquidity.
Mansion tax thresholds shape offers above $1 million. Run the Mansion Tax Calculator at the intended ask and understand where the cliffs sit relative to your pricing band.
Comparable buildings
If you're considering 101 West 24th Street, also evaluate:
- Walker Tower (212 West 18th Street) — Chelsea's trophy pre-war conversion; the neighborhood's price ceiling
- One Madison (23 East 22nd Street) — the Flatiron view-tower peer east of the park
- 45 East 22nd Street — the Flatiron district's contemporary tower; the design and price step-up
- 15 Union Square West — boutique glass-over-cast-iron condo at Union Square
- 252 Seventh Avenue (The Chelsea Mercantile) — Chelsea's full-service loft condominium; the conversion alternative at similar scale
- 35XV (35 West 15th Street) — the 2015 glass condo down the avenue; the newer-vintage comparison
- The O'Neill Building (655 Sixth Avenue) — landmark cast-iron condo conversion on the same avenue; the character alternative
- Chelsea House (130 West 19th Street) — boutique 2008-era Chelsea condo; the same vintage at smaller scale
The Roebling Team at Chelsea Stratus
The Roebling Team at Compass works Chelsea, the Flatiron district, and the broader downtown condominium market as a core practice area. We publish this building profile because Chelsea Stratus buyers and sellers deserve building-specific intelligence — offering-plan documentation, tax-posture analysis, and line-level comparables — not generic neighborhood commentary.
If you're considering a transaction at 101 West 24th Street, a 30-minute consultation is the right starting point.