- Year built
- 1908
- Type
- Cooperative
- Units
- 21
- Floors
- 12
- Landmark
- No
- Pets
- Set by the cooperative's house rules
- Subletting
- Subject to cooperative board policy; confirm at offer stage
Every recorded sale at this building, 2003–2026
Price-per-square-foot over time, the line- and floor-premium curves, and every recorded sale.
- Median $/sf
- $1,000
- Listing discount
- 2.6%
- Recorded sales
- 22
- On record
- 2003–2026
30 West 15th Street is a boutique prewar loft cooperative on the 15th Street block between Fifth and Sixth Avenues — a quiet, central stretch where Flatiron, Union Square, and Chelsea meet. The building was constructed in 1908 as a commercial loft structure and converted to residential cooperative use around 1982, an early entry in the wave of downtown loft conversions that reshaped this part of Manhattan. Today it holds 21 residential apartments, plus a commercial space, across 12 floors.
The building is a study in what makes the prewar loft co-op enduringly desirable: large floor plates, high ceilings, generous light, and the kind of loft-style interior volume that postwar construction does not replicate — all in a building small enough to feel owner-occupied and personal. Buyers gravitate to 30 West 15th Street for loft-scale living in a genuinely central downtown location, walkable to Union Square's transit and greenmarket, to the Flatiron and Chelsea retail and dining corridors, and to the Village just to the south.
The 15th Street block itself is calmer than the avenues that frame it — a residential-feeling pocket within a busy district. For a buyer who wants loft character, central convenience, and a price point below the new-development tier, the building is a focused option in a part of the city where boutique loft inventory is genuinely scarce.
Architecture and unit composition
The 1908 structure is a Manhattan commercial loft building of its period — a masonry facade organized around large windows and the deep, broad floor plates that loft and light-manufacturing use required. The original architect is not reliably documented in the public record; buyers for whom attribution matters should confirm the architect of record against building filings rather than rely on secondary sources.
In residential cooperative use, the building delivers the loft qualities buyers prize: ceiling heights and window lines well above the postwar norm, deep and flexible floor plans, and apartments that range from loft-style open layouts to combined and reconfigured homes. With 21 residential units across 12 floors, the building runs to roughly one to two homes per floor — boutique density supporting larger, lower-density apartments than a typical mid-block elevator building, and large combined homes have traded in the building's history.
Apartment-level features vary substantially unit by unit — ceiling height, exposure, window count, square footage, and renovation condition are the primary drivers of value. Evaluate each home on its specific configuration.
Building operations
30 West 15th Street operates as a self-contained residential cooperative under the 30 West 15th Street Owners Corp. As a boutique loft elevator building, it carries the operating profile typical of the small prewar co-op: building services supported by maintenance, governance through the cooperative board and proprietary lease, and a commercial component that contributes to the building's income.
The building's policies on pets, financing percentages, subletting, pied-à-terre use, and alterations are set by the board and the proprietary lease, and the building's commercial income, reserve position, and maintenance history are central to underwriting any purchase. Boutique co-ops of this scale often run conservative financing and sublet policies to preserve owner-occupancy. Prospective buyers should confirm the current rules, the building's financial profile, any assessments, and the status of building systems directly against current materials during due diligence; board specifics should be confirmed at offer stage.
Recent sales
Sales at 30 West 15th Street are best read on a co-op basis — on price per room and on apartment-specific configuration rather than on a single price-per-square-foot figure. The building sits in the mid-to-upper tier of downtown boutique loft co-op pricing, reflecting both the desirability of the central Flatiron / Union Square location and the genuine loft volume the apartments offer. Within the building, the largest combined homes have transacted well into the seven figures, while smaller and more dated units price below.
Value tracks the usual co-op variables — floor, exposure, light, ceiling height, apartment size and layout, and renovation condition. Larger, higher, better-lit, recently renovated loft homes command the building's premium. Because the building is small, in-building comparable sales are episodic; pricing any individual apartment requires reading both in-building history and the broader downtown loft co-op market. Recent specific transactions should be confirmed against current public records at the time of any inquiry.
Recent transfers at this building, curated by The Roebling Team research desk. Apartment-level facts are independently verified before publishing; sale prices reflect the recorded transfer amount at the NYC Department of Finance.
| Date | Unit | Apartment | Price | PPSF | vs. Ask |
|---|---|---|---|---|---|
| Jan 29, 2026 | 6S | 2 BR · 2.5 BA · 2,500 sf | $2,500,000 | $1,000/sf | off-mkt |
| Aug 29, 2023 | 7S | 3 BR · 2.5 BA · 2,500 sf | $3,800,000 | $1,520/sf | -10.6% |
| Feb 17, 2022 | 8N | 2 BR · 2.5 BA | $1,951,600 | +22.4% | |
| Dec 15, 2017 | 3S | 2 BR · 2 BA · 2,500 sf | $3,100,000 | $1,240/sf | -10.1% |
| Aug 7, 2017 | PH12NS | 4 BR · 3.5 BA · 3,800 sf | $7,500,000 | $1,974/sf | -18.9% |
| Jan 30, 2016 | 6R | 2 BR · 2.5 BA · 2,500 sf | $2,700,000 | $1,080/sf | +0.0% |
| Jan 29, 2016 | 6S | 3 BR · 2,500 sf | $2,700,000 | $1,080/sf | off-mkt |
| Apr 7, 2015 | 10S | 3 BR · 2 BA · 2,500 sf | $3,200,000 | $1,280/sf | -5.9% |
Market read. Most recent trades (2026) cleared a median $1,000/sf across 1 sale. Median listing discount 2.6% from the last ask — a recurring negotiation gap worth pricing into any offer or listing strategy.
The retrade record
Lines that have traded more than once in the public record — the building’s appreciation arc, apartment by apartment.
Other recent transfers
| Date | Unit | Price |
|---|---|---|
| May 3, 2012 | 2S | $1,650,000 |
| Dec 5, 2005 | 5N | $1,185,000 |
| Sep 20, 2005 | 5N | $1,250,000 |
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 1-00816-0059) 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; square footage on co-ops is not officially recorded, figures shown are approximate.
What to know if you’re buying
This is a loft co-op — price and underwrite the volume. Value here is a function of room count, square footage, ceiling height, light, and condition. Build comparables on a price-per-room basis and on apartment-specific features.
Confirm the board's financing, sublet, and pied-à-terre policies before you commit. These materially affect both your purchase and your future flexibility, and boutique co-ops vary widely. Confirm at offer stage.
Diligence the finances, including the commercial income. Review the most recent financial statements, the reserve position, any assessments, and how the building's commercial space contributes to its budget — commercial income can meaningfully affect maintenance levels.
Location is central and quiet-for-downtown. The 15th Street block is calmer than the surrounding avenues, with Union Square transit and the Flatiron, Chelsea, and Village amenities all close. Visit at multiple times of day to confirm fit.
Closing timelines are co-op-standard. Plan for board application and approval, and a longer timeline than a comparable condominium purchase.
What to know if you’re selling
Foreground the loft volume and the central location. The building's structural selling points are genuine prewar loft scale and a Flatiron / Union Square / Chelsea-edge address. Apartment-specific marketing should lead with the home's exposure, light, ceiling height, square footage, and renovation condition.
Price on apartment-level comparables. With a small in-building sample, triangulate recent comparable loft co-op sales in the building and across the downtown market on a price-per-room basis.
Prepare the buyer for board review. Cooperative purchase requires board application and approval; a well-prepared package and a financially qualified buyer are central to a clean closing.
Comparable buildings
If you're considering 30 West 15th Street, also evaluate:
- 50 West 15th Street — a comparable Flatiron / Union Square boutique building on the same block
- 55 West 17th Street — a nearby Flatiron / Chelsea-edge condominium for buyers weighing the ownership-structure trade-off
- 3 West 13th Street — a downtown loft condominium of comparable boutique character
- 28 West 38th Street — a prewar loft cooperative of similar scale on the Midtown South edge
- 15 Union Square West — the Union Square new-development condominium for buyers comparing the loft register against the tower tier
The Roebling Team at 30 West 15th Street
The Roebling Team at Compass works the Manhattan cooperative and condominium market across Flatiron, Union Square, and Chelsea, with substantive engagement in the downtown loft co-op segment. We publish this building profile because buyers and sellers of boutique loft co-ops deserve building-specific intelligence — architecture, operating reality, and the apartment-level pricing considerations that a generic market read cannot provide.
If you're considering a purchase or sale at 30 West 15th Street, a 30-minute consultation is the right starting point. We'll bring the full context this page provides plus the transactional specifics your situation requires.
Corey Cohen · The Roebling Team at Compass 646.939.7375 · c.cohen@compass.com
The neighborhood
For the full corridor — architecture, schools, transit, and pricing across Flatiron — read The Roebling Team Guide to Flatiron.
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