- Year built
- 1907
- Type
- Cooperative
- Landmark
- No
- Pets
- Pet friendly (dogs and cats)
Every recorded sale at this building, 2004–2024
Price-per-square-foot over time, the line- and floor-premium curves, and every recorded sale.
- Median $/sf (floor-adjusted)
- $1,124
- Listing discount
- 1.0%
- Recorded sales
- 21
- On record
- 2004–2024
Own an apartment here? See what it would sell for.
A Private Pricing Opinion — what your apartment at The Hellmuth Building 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.
154 West 18th Street — the Hellmuth Building — is one of the more distinctive loft cooperatives in Chelsea: a 1907 fireproof factory, built for the printing-ink manufacturer Charles Hellmuth, wrapped in a rare and genuinely wonderful Art Nouveau terra-cotta base, converted to a residential co-op in 1988. The name is still spelled out in fantastic Art Nouveau lettering across the façade, and the ground floor's swirling vines, lilies, and heavy brackets are the kind of ornament that is uncommon anywhere in Manhattan. It is not a marketed amenity building and does not pretend to be; its appeal is architecture, provenance, and the space that a purpose-built industrial loft delivers.
For a buyer, the Hellmuth Building is the Chelsea loft co-op in its most authentic form: a small, boutique house of 28 apartments, many carrying the original brick barrel-vaulted ceilings that once supported heavy printing presses, oversized windows, high ceilings, and open loft proportions. It is bought and sold as a cooperative — individual apartments trade on their own merits — and its scale and character set it apart from the newer, glassier condominiums nearby.
Architecture and unit composition
The building is an eight-story loft house completed in 1907, built as a fireproof factory and distinguished by its rare Art Nouveau ornament. Publicly recorded building data attributes the design to Adolph Schoeller. The upper floors are tan brick with rusticated piers; the base is the showpiece — elaborately ornamented terra-cotta with the Secession-influenced vines, lilies, and lettering that make the façade one of the more memorable in Chelsea. It carries no landmark designation, but the ornament is the building's defining asset.
The residences are genuine lofts — many carry the original brick barrel-vaulted ceilings, oversized windows, and open, column-punctuated layouts of the industrial building. Over the decades a number of the original apartments have been combined into larger homes, so the effective apartment count can appear lower than the recorded 28 units. As with any loft building, ceiling height, light, exposure, and the quality and vintage of the renovation drive the experience; higher and better-lit lines command the top of the range, while lower and more original-condition units trade below.
Building operations
154 West 18th Street runs as a boutique loft cooperative — an elevator, an on-site superintendent, basement and private storage, a bike room, and an intercom, with the cooperative owning the ground-floor commercial space, which generates income to the building. Pets are welcome. It does not have a doorman, gym, roof deck, or modern amenity package; the amenity set is the practical, no-frills package of a small loft co-op, and that intimacy is part of the building's character. As a cooperative, purchases are subject to board review and the building's financing and residency policies; sublet policy and current requirements are confirmed at offer stage against the building's house rules.
Local Law 97
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $0 (under cap)
- Per unit / month range
- —
Source: NYC LL84 benchmarking and PLUTO · The Roebling Research Library. City record last verified September 2026.
See full Local Law 97 analysis — emissions history, scenarios, methodology →Facade safety — Local Law 11
The latest available filing classified the facade as SWARMP — Safe With A Repair and Maintenance Program: the engineer identified conditions requiring monitoring or repair, with repairs due by the deadline stated in the filing. The scope, timeline, and how the building funds the work are building-specific — we review the filings and board materials for you.
How to read this, and where it comes from
QEWI = Qualified Exterior Wall Inspector — the licensed engineer the city requires to sign the report (the independent expert, not the managing agent).
Penalties shown are amounts DOB assessed against filings on record across 2005–10 to 2020–25. The FISP dataset does not record whether they were paid, contested or remain open, so treat the figure as history rather than a current balance and confirm the building’s standing with the managing agent.
Source: NYC DOB facade filings (FISP) · The Roebling Research Library. City record last verified September 2026.
Recent sales
Recent transfers 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 |
|---|---|---|---|---|---|
| May 29, 2024 | 2D | 1 BR · 1 BA · 1,450 sf | $1,560,000 | $1,076/sf | -6.9% |
| Apr 19, 2024 | 3C | 3 BR · 2 BA | $2,300,000 | +0.0% | |
| Apr 19, 2024 | 6B | 2 BR · 2 BA · 2,100 sf | $2,400,000 | $1,143/sf | -15.8% |
| Jun 29, 2022 | 5C | 2 BR · 2 BA · 2,000 sf | $2,690,000 | $1,345/sf | -2.0% |
| Aug 29, 2019 | 6A | 1 BR · 1 BA · 1,200 sf | $1,610,000 | $1,342/sf | -3.6% |
| Jan 16, 2019 | 7A | 1 BR · 1 BA · 1,200 sf | $1,700,000 | $1,417/sf | +0.9% |
| May 27, 2016 | 2D | 1 BR · 1 BA · 2,500 sf | $1,995,000 | $798/sf | +0.0% |
| Sep 28, 2015 | 6C | 3 BR · 2,400 sf | $3,230,000 | $1,346/sf | +7.8% |
Market read. Most recent trades (2024) cleared a median $1,124/sf (floor-adjusted) across 2 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 1.0% 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 1-00793-0067). 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 on co-ops is not officially recorded, figures shown are approximate.
Buying here? Co-op closing costs typically run 2 to 3% of the price. See NYC co-op and condo closing costs, line by line.
Keep up with The Hellmuth Building and its market
The Roebling Report, monthly: Manhattan sales data and analysis, including buildings like The Hellmuth Building. Unsubscribe anytime.
We’ll use your email for The Roebling Report and note your interest in this building. See our privacy policy.
What to know if you’re buying
This is a cooperative, so plan for a board process. A purchase runs through a board package and interview, and the building maintains financing and residency policies typical of a Chelsea loft co-op. Plan for a primary-residence purchase and a standard board review; confirm the current down-payment and sublet requirements at offer stage.
Buy the loft, not the floor plan. The Hellmuth Building's value is in its architecture — barrel-vaulted ceilings, oversized windows, and open industrial proportions. Ceiling height, light, and the quality of the renovation are the on-site distinctions that matter most, more so than in a conventional apartment house.
This is a boutique house. With 28 units and no doorman, the building runs lean; buyers who want a full amenity package or 24-hour staffing should benchmark accordingly. The trade-off is character, space, and a genuinely rare façade.
The location is prime Chelsea. Steps from the 1 train at 18th Street and the F/M, L, and 1/2/3 nearby, walking distance to the High Line, Union Square, Eataly, and the Meatpacking District. Quiet, central, and architecturally rich.
What to know if you’re selling
Lead with the architecture and provenance. A rare Art Nouveau loft co-op, converted from a 1907 printing-ink factory, with barrel-vaulted ceilings and oversized windows, is a genuinely distinctive story — foreground it, because it is what sets the building apart from every glass condo nearby.
Benchmark within the building and against Chelsea loft co-ops. In-building turnover is limited, so recent comparable sales here and in comparable Chelsea loft buildings are the reference point; ceiling height, light, exposure, and renovation status determine where a unit lands, on a price-per-room and per-loft basis.
Highlight the space. Loft proportions, high ceilings, and combined layouts are the building's product; a well-renovated home that preserves the vaulted ceilings while modernizing the kitchen and baths anchors the top of the range.
Prepare the board package early. A clean, complete package and a well-qualified, primary-residence buyer move a co-op sale through the board efficiently — we manage that process end to end.
Comparable buildings
If you're considering 154 West 18th Street, also evaluate nearby Chelsea loft cooperatives and condominiums:
- 112 West 18th Street — the Brooks Van Horn Condominium, a former theatrical-costume factory converted to loft condos
- 310 West 18th Street — a low-rise Chelsea loft co-op with high ceilings
- 365 West 20th Street — a pre-war Chelsea cooperative
- 261 West 22nd Street — a pre-war Chelsea cooperative
- 155 West 18th Street (The Flynn) — a modern boutique condominium directly across the street
More Chelsea buildings
- 148 West 23rd Street (Chelsea Mews) — 1910 co-op
- 151 West 17th Street — 2001 condominium
- 153 West 21st Street — 2012 condominium by Stephen B. Jacobs Group
- 155 West 15th Street — 1940 co-op
- The Chelsea Warren, 155 West 20th Street — 1938 co-op by Horace Ginsbern & Associates
- The Flynn, 155 West 18th Street — 2016 condominium
The neighborhood
For the full corridor — architecture, transit, and pricing across Chelsea — read The Roebling Team Guide to Chelsea.
The full playbook — what goes in the package, how boards read your financials, the interview, and the timeline — plus sample cover, reference, and personal letters you can adapt.
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 The Hellmuth Building?
Request a private building brief with the relevant comparable sales, current and off-market availability, and an apartment-specific view of value.