- Type
- Condominium
- Landmark status
- Not an individual landmark; in the Ladies' Mile Historic District
- NYC Landmarks Preservation Commission records, updated February 2026
- Dogs and cats
- Permitted with conditions
- Doorman
- Part-time doorman
Every recorded sale at this building, 2003–2023
Price-per-square-foot over time, the line- and floor-premium curves, and every recorded sale.
- Median $/sf, 2023
- $1,456
- floor-adjusted, 3 sales
- Listing discount
- 2.7%
- Recorded sales
- 35
- On record
- 2003–2023
Own an apartment here? See what it would sell for.
A Private Pricing Opinion — what your apartment at 121 West 20th Street would likely sell for today, what it costs to sell, and what you’d walk away with — reviewed personally against condition, exposures, renovation quality, and the competition actually on the market.
121 West 20th Street is a boutique loft condominium on a central-Chelsea block between Sixth and Seventh Avenues. The building dates to the 1890s, when it went up as a loft/warehouse structure, and it was converted to condominium ownership in 1991 — an early entrant in Chelsea's loft-conversion era. Today it reads as one of the corridor's loft-lover buildings: a small five-story structure of 28 residences prized for ceiling heights commonly cited near fifteen to sixteen feet, oversized windows, cast-iron columns and original prewar industrial detail.
The case for the building is the rare combination of true loft volume and condominium ownership at boutique scale. Where much of Chelsea's elegant older housing is co-op, 121 West 20th has a right-of-first-refusal process rather than a board package and interview, and leasing by owners is permitted; confirm financing, pied-à-terre and trust or entity rules in the current declaration and bylaws. It also sits directly across from the newly created Chelsea Green park, which gives many residences open frontage that is unusual on a Chelsea mid-block.
For buyers who want soaring loft ceilings, light, and the freedom of condo ownership in the middle of Chelsea — steps from the galleries, restaurants, and the F/M and 1 lines — the building is a strong, low-drama option.
Architecture and unit composition
The building's five stories carry the proportions of its 1890s loft origins: dramatic ceiling heights, big windows, cast-iron columns, hardwood floors, and original architectural detail, with some residences featuring gas fireplaces. The unit mix spans studios through multi-bedroom lofts and duplexes, including a rare live/work three-bedroom duplex. Apartments carry in-unit washer/dryers in dedicated laundry closets. The recently created Chelsea Green park is across the street; check the actual outlook and light from each apartment.
Building operations
121 West 20th Street operates as a boutique loft condominium with a part-time doorman and a full-time superintendent — a staffing model sized to the building's 28-unit footprint. The elevator and the common roof deck have both been recently upgraded, and the building provides a bike room; establish carrying costs from current common charges, taxes and assessments rather than the building’s scale. The building is pet-friendly, with dogs and cats permitted and no documented weight restriction. There is no shared gym or on-site parking. As at any boutique condominium, financing terms and any sublet specifics should be confirmed against current building rules at offer stage.
Pets and in-unit washer/dryer
- Dogs and cats
- Permitted with conditionsPet-friendly — dogs and cats permitted, no documented weight restrictionSource: The Roebling Team's building profile
- In-unit washer/dryer
- Not verified
Considering an apartment here? Send Corey the listing to confirm the pet and washer/dryer rules for that apartment.
Own an apartment here? Request an apartment-specific pricing review.
Building staffing and amenities
- Doorman
- Part-time doormanSource: The Roebling Team's building profile
- Elevator
- YesSource: NYC Department of Buildings elevator records
- Amenities noted
- Roof deck, bike storageSource: The Roebling Team's building profile
Staffing and amenities as our building profile and recent listing records describe them. A feature not listed is not confirmed absent. Outdoor space, parking and some facilities can belong to particular apartments or to a separate owner; confirm access for the specific apartment.
Local Law 97
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $44,980/yr
- Per unit / month range
- $0 – $134
- Modeled exposure split equally across 28 units (the residential count on the city's lot record). Not an assessed amount; condominium owners are typically charged by each unit's common-interest percentage.
Source: NYC LL84 benchmarking and PLUTO · The Roebling Research Library. City data last refreshed October 2026.
See full Local Law 97 analysis — emissions history, scenarios, methodology →Recent sales
The 28-residence count does not establish turnover, available inventory or absorption; review dated, classified sales and current listings. Pricing tracks the central-Chelsea loft-condominium market and scales with floor, ceiling height, light, outdoor access, and renovation level. Large one-bedroom and multi-bedroom lofts form the upper tier of the building's inventory, while studios and smaller one-bedrooms trade well below them.
Unit-level transaction history is maintained in The Roebling Research Library and shared with clients during diligence.
Recent closings at this building, from The Roebling Research Library. Prices are the transfer amounts recorded with the NYC Department of Finance; apartment-level detail is checked against the building’s own file in The Roebling Research Library before publishing.
| Date | Unit | Apartment | Price | PPSF | vs. Ask |
|---|---|---|---|---|---|
| Aug 14, 2023 | 4F | 2 BR · 2 BA · 1,750 sf | $1,795,000 | $1,026/sf | -10.0% |
| Jun 15, 2023 | 2A | 3 BR · 3 BA · 1,950 sf | $2,840,000 | $1,456/sf | -12.6% |
| Apr 28, 2023 | 4E | 2 BR · 2 BA · 1,642 sf | $2,450,000 | $1,492/sf | -1.8% |
| Jul 13, 2022 | 3E | 2 BR · 2.5 BA · 1,884 sf | $2,500,000 | $1,327/sf | -7.2% |
| Mar 25, 2022 | 3C | 2 BR · 2 BA · 1,642 sf | $2,600,000 | $1,583/sf | -7.0% |
| Aug 31, 2021 | PH5F | 2 BR · 2 BA · 1,700 sf | $2,650,000 | $1,559/sf | -3.6% |
| Jul 1, 2021 | PH5G | 2 BR · 2 BA · 1,734 sf | $2,550,000 | $1,471/sf | -1.9% |
| Apr 15, 2021 | 3E | 2 BR · 2.5 BA · 1,884 sf | $2,200,000 | $1,168/sf | -2.2% |
Market read. Most recent trades (2023) cleared a median $1,456/sf (floor-adjusted) across 3 sales. Floor-adjusted means each sale is restated to a constant mix of floors, so the figure can differ from the plain median of the sales listed above. Median listing discount 2.7% 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.
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 1-00796-7502; each condominium apartment is its own tax lot). Apartment-level facts (line, condition, asking-price context) curated and cross-verified in The Roebling Research Library. Not all transactions cross-verify with ACRIS records — sponsor and LLC purchases sometimes record at stipulated values rather than market price; square footage from recorded condo declarations and offering plans.
Closed rents at 121 West 20th Street, last 36 months
| Size | Leases | Median / month |
|---|---|---|
| 2 bedroom | 2 | $12,250 |
3 closed leases, October 2023 to September 2026. Most recent lease June 2026. Based on few leases. Sizes with fewer than 2 leases are not shown. Compiled by The Roebling Team at Compass from closed leases.
What would your apartment rent for?
The figures above are the building's closed leases. Enter your apartment and I'll send you what yours would rent for, from comparable leases at 121 West 20th Street and nearby.
Buying here? Condo closing costs with a mortgage typically run 3 to 6% of the price. See NYC co-op and condo closing costs, line by line.
Keep up with 121 West 20th Street and its market
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What to know if you’re buying
The buying case is loft architecture plus condominium structure: near-sixteen-foot ceilings, cast-iron columns, oversized windows, and original prewar detail inside a condominium with a right-of-first-refusal process and leasing by owners permitted; confirm financing, pied-à-terre use and trust or entity purchases in the current bylaws. For street-facing apartments, verify the Chelsea Green outlook across the street from the specific line and floor.
Diligence should focus on the realities of a small, boutique building: the reserve fund and recent capital projects (the elevator and roof deck were recently addressed, which is a positive), the façade maintenance history, and the specifics of any unit's outdoor access or fireplace. Floor, ceiling height and light drive value here, so the same line can price quite differently from the lower floors to the top.
What to know if you’re selling
Sellers lead with the building’s specific features: soaring loft ceilings, condominium flexibility, recently upgraded common elements, a roof deck, and a Chelsea Green-facing position — all on a prime central-Chelsea block within steps of the F/M and 1 lines. Compare the condominium’s actual financing, resale and leasing provisions with those of specific cooperative alternatives; tenure alone does not establish buyer preference or an advantage.
Pricing should be benchmarked against the other boutique Chelsea loft condominiums of the conversion era, with adjustments for floor, ceiling height, light, outdoor space, and renovation. Describe the actual loft and park exposure, and use current competing listings and dated sales to assess supply and pricing; the 28-unit count does not establish saleability.
Comparable buildings
If you're weighing 121 West 20th Street, these nearby Chelsea loft and boutique condominium buildings make a useful comparison set:
- 126 West 22nd Street — boutique prewar loft conversion with keyed-elevator privacy
- 125 West 22nd Street — full-service boutique condominium with garden
- 121 West 19th Street — Chelsea condominium one block south
- 130 West 19th Street — full-service condominium in the same corridor
- 15 West 20th Street — condominium on the same street
- 113 West 17th Street — comparable prewar loft conversion nearby
More Chelsea buildings
- 121 West 15th Street — 1920 condominium
- 121 West 17th Street — 1911 co-op
- 121 West 19th Street — 1903 condominium
- 124 West 24th Street — condominium
- Citizen (124 West 23rd Street) — 2012 condominium by BKSK Architects
- The Grand Chelsea (124 Eighth Avenue / 270 West 17th Street) — 1988 condominium
The neighborhood
For the full corridor — architecture, transit, and pricing across Chelsea — read The Roebling Team Guide to Chelsea.
How to read the facts on this page. Items attributed to an offering plan describe the building as it was offered at that filing — unit mix, square footage, the amenity program as planned. They are not a statement about how the building operates today. Tax and compliance figures are sourced separately to current City records and carry their own dates. House rules, staffing and fee policy can change by board resolution without any public filing: treat every policy line here as a starting point for diligence and confirm it with the managing agent. Where this page compares one building or neighborhood to another, that is our analysis of the recorded record — it names the measure, the period and the sample it rests on, and it is an observation about medians rather than a prediction about any particular apartment.
Considering a move at 121 West 20th Street?
Request a private building brief with the relevant comparable sales, current and off-market availability, and an apartment-specific view of value.
646.939.7375 · c.cohen@compass.com