- Year built
- 1901
- Type
- Condominium
- Landmark
- Designated
Every recorded sale at this building, 2003–2025
Price-per-square-foot over time, the line- and floor-premium curves, and every recorded sale.
- Median $/sf
- $1,736
- Listing discount
- 4.1%
- Recorded sales
- 73
- On record
- 2003–2025
66 Leonard Street carries one of the most quietly prestigious design pedigrees in Tribeca. The building rose in 1901 to the design of Henry J. Hardenbergh — the architect of the Dakota and the original Plaza Hotel — as a Beaux-Arts loft for the textile trade that once dominated this corner of lower Manhattan. Few residential addresses downtown can claim a Hardenbergh façade, and fewer still pair it with the volume and proportion of a true turn-of-the-century manufacturing loft.
The conversion to 46 condominium residences in 1999 was the moment the building crossed from commercial relic to one of Tribeca's residential landmarks. It arrived early in the wave that transformed the neighborhood's cast-iron and masonry stock into some of the most sought-after lofts in the city, and it did so with an intact, landmark-protected exterior. The result is a building that reads as genuinely old — limestone, brick, and deep arched windows — while delivering the open floor plates, ceiling heights, and light that buyers come downtown to find.
For buyers, the appeal is the combination that defines Tribeca's best converted lofts: condominium ownership flexibility, real architectural provenance, and the scale that only a former industrial building provides. It is a small house — 46 homes across 14 stories — set inside one of Manhattan's most desirable historic districts.
Architecture and unit composition
Hardenbergh's design is a textbook Beaux-Arts loft: a rusticated masonry base, a tall mid-section organized by repeating arched bays, and crisp limestone detailing that has been preserved under the historic-district designation. The 1999 conversion added a penthouse level set back from the protected street wall, a common and well-handled move on landmark loft buildings of this vintage.
Inside, the residences are loft-scaled — open layouts, oversized windows, and the high ceilings characteristic of early-1900s manufacturing floors. Floor plates that once held looms and bolts of cloth now translate into generous living space, with the larger homes reading as full or near-full-floor lofts. The mix runs from spacious one- and two-bedroom layouts to the larger upper-floor and penthouse residences, each carrying the volume, column lines, and light that distinguish a real conversion from new construction styled to look like one.
Building operations
For a 46-unit building, the service and amenity package is unusually complete. There is a 24-hour concierge and a resident superintendent, an on-site attended parking garage — a genuine rarity downtown — a fitness center, a bicycle room, a rooftop terrace with a children's play area, and a landscaped ground-floor garden. As a condominium, the building offers the financing latitude and ownership flexibility its structure implies: purchases clear through a right-of-first-refusal rather than a co-op board, and pied-à-terre, trust, and investment ownership are customary at buildings of this profile. The building is pet-friendly.
Local Law 97
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $0 (under cap)
- Per unit / month range
- —
Facade safety — Local Law 11
Safe to live in today — but the last inspection flagged repairs that are due on a deadline, so facade work and its cost are coming. Whether that’s a real concern depends on the scope, the timing, and how the building plans to pay for it — reserves or an assessment — which is exactly what we’d dig into for you.
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
Recent closings 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 |
|---|---|---|---|---|---|
| Jun 10, 2025 | 4A5A | 2,854 sf | $2,225,002 | $780/sf | off-mkt |
| May 22, 2025 | 11A | 3 BR · 2.5 BA · 2,319 sf | $4,275,000 | $1,843/sf | -3.0% |
| Apr 12, 2024 | 12D | 2 BR · 2.5 BA · 1,780 sf | $2,878,500 | $1,617/sf | +6.6% |
| Oct 16, 2023 | 2E | 3 BR · 3 BA · 2,368 sf | $3,699,500 | $1,562/sf | -9.8% |
| May 3, 2022 | 7A | 3 BR · 2.5 BA | $4,100,000 | -3.5% | |
| Jan 19, 2022 | 3E | 3 BR · 3 BA · 2,368 sf | $3,725,000 | $1,573/sf | -6.8% |
| Nov 30, 2021 | 6D | 3 BR · 3.5 BA · 2,310 sf | $4,000,000 | $1,732/sf | -4.8% |
| Nov 22, 2021 | 2C | 2 BR · 2,062 sf | $2,778,825 | $1,348/sf | -11.8% |
Market read. Most recent trades (2025) cleared a median $1,736/sf across 1 sale. Median listing discount 4.1% 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 2, 2003 | 4D | $1,735,000 |
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 1-00173-7501) 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 from recorded condo declarations and offering plans.
What to know if you’re buying
The case for buying here is architectural and structural at once. You are buying a Hardenbergh-designed, landmark-protected loft — provenance that cannot be replicated in new construction. You are buying condominium flexibility — flexible financing, a right-of-first-refusal rather than a board interview, and freedom to own through a trust or LLC or to use the home part-time. And you are buying scale — the floor plates and ceiling heights of a real conversion.
Diligence on a loft conversion of this vintage rewards attention to the specifics: the layout and light of the individual home, the condition and capacity of building systems updated at conversion, and the reserve and capital posture of a small association. The on-site garage and full amenity suite are meaningful differentiators for a building this size, and they shape both carrying costs and resale appeal.
What to know if you’re selling
Lead with the pedigree. A Hardenbergh façade, a landmark designation, and a clean 1999 conversion are durable selling points that separate this building from the broader Tribeca loft field. The architecture is the headline.
Benchmark to Tribeca's converted-loft tier, not to new-construction condominiums. The right comparison set is the neighborhood's premier masonry and cast-iron conversions, where buyers pay for volume, light, and provenance.
The amenity package is a closing argument. An attended on-site garage, full-time concierge, fitness center, and roof terrace are scarce at 46-unit downtown buildings — emphasize them. Condominium closing mechanics keep the path predictable for the financing- and flexibility-minded buyer this building attracts.
Comparable buildings
If you're considering 66 Leonard Street, also evaluate Tribeca's other landmark and loft-scaled condominiums:
- 56 Leonard Street — the Herzog & de Meuron tower a block away
- 91 Leonard Street — newer Tribeca condominium on the same street
- 108 Leonard Street — landmark conversion nearby
- 155 Franklin Street — boutique Tribeca loft building
- 44 Laight Street — converted Tribeca loft condominium
- 70 Vestry Street — waterfront Tribeca condominium
The Roebling Team at The Textile Building
The Roebling Team at Compass specializes in Tribeca's loft and conversion market — landmark provenance, condominium structure, and the difference between a building styled as a loft and one that genuinely is. We publish this profile because buyers and sellers evaluating a Hardenbergh-designed landmark deserve building-specific intelligence: the architecture, the ownership structure, the amenity program, and where the pricing sits within the neighborhood's converted-loft tier.
If you're weighing a purchase or sale at 66 Leonard, a 30-minute consultation is the right starting point.
Get the full picture on this building.
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