111 William Street
111 William Street, New York, NY 10038
BBL 1000787507 · BIN 1001193
- Year built
- 1909
- Type
- Condominium
- Landmark
- No
Every recorded sale at this building, 2006–2026
Price-per-square-foot over time, the line- and floor-premium curves, and every recorded sale.
- Median $/sf
- $1,014
- Listing discount
- 0.5%
- Recorded sales
- 140
- On record
- 2006–2026
111 William Street is one of the cleaner examples of how the Financial District turned itself into a residential neighborhood. The structure began as a 1909 commercial loft building — beige brick over a rusticated red-brick base — that spent most of its life as offices a block from the old insurance-and-banking core. In 2005 it was converted to a 74-unit condominium, with three new setback floors added at the top to create a tier of penthouses with terraces. The result is a building that reads, from the street, as exactly what it is: a sturdy pre-war commercial frame given a second life as loft housing.
For buyers, the appeal is twofold. The bones are genuinely old — generous floor plates, large windows, and the proportions that only a purpose-built loft delivers — while the ownership structure is the more flexible condominium form rather than a co-op. That combination is the Financial District's signature, and 111 William is a representative, mid-sized version of it: large enough to support a full-time concierge and amenities, small enough to stay quiet.
Architecture and unit composition
The original building is a thirteen-story masonry loft: a one-story rusticated red-brick base supporting beige brick above, with large white metal spandrels marking the window lines — the visual vocabulary of early-twentieth-century commercial Lower Manhattan. The 2005 conversion preserved that frame and added three floors of setback construction at the crown, which is where the building's terraced penthouses sit; many of those upper homes carry private balconies and outdoor space.
Inside, the 74 residences run the loft register — open layouts, high ceilings, and oversized windows characteristic of a converted commercial floor plate — across one- and two-bedroom homes with the larger and outdoor-equipped units concentrated near the top. The lobby was rebuilt around a media lounge that faces a planted interior garden, an unusually green touch for a corner Financial District building.
Building operations
111 William runs as a full-service condominium: a 24-hour concierge and attended lobby, a fitness center, the garden-facing media lounge, and a resident superintendent. As a condominium, the building offers the ownership flexibility the form is known for — financing latitude, pied-à-terre and investor ownership, and a lighter purchase process than a co-op board package — with subletting and resale governed by the condominium's bylaws rather than a board interview. Buyers should review the bylaws and house rules for the specifics, but the structural advantages of condominium ownership apply here.
Local Law 97
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $57,323/yr
- Per unit / month range
- $0 – $65
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 before the next inspection cycle. The scope, timeline, and how the building funds the work are building-specific — we review the filings and board materials 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 →Management & transfer contacts
- Notable fees
- Min Down Payment: 10%
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 |
|---|---|---|---|---|---|
| Apr 10, 2026 | 4C | 2 BR · 2.5 BA · 1,651 sf | $1,594,811 | $966/sf | off-mkt |
| Dec 29, 2025 | 3G | 1 BA · 507 sf | $550,000 | $1,085/sf | -1.8% |
| Jun 4, 2025 | 8C | 2 BR · 2 BA · 1,651 sf | $1,625,000 | $984/sf | off-mkt |
| May 29, 2025 | 10C | 3 BR · 3 BA · 2,279 sf | $2,950,000 | $1,294/sf | -7.8% |
| May 14, 2024 | 6D | 2 BR · 2 BA · 1,210 sf | $1,350,000 | $1,116/sf | +8.0% |
| Nov 30, 2023 | 4F | 2 BR · 2.5 BA · 1,757 sf | $999,000 | $569/sf | off-mkt |
| Jun 1, 2023 | 4F | 2 BR · 2.5 BA · 1,757 sf | $980,000 | $558/sf | -24.6% |
| Apr 14, 2022 | 6C | 3 BR · 2.5 BA · 1,651 sf | $1,625,000 | $984/sf | off-mkt |
Market read. Most recent trades (2026) cleared a median $1,014/sf across 1 sale. Median listing discount 0.5% 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 1-00078-7507) 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 condominium structure is the headline advantage. Financing is flexible, the purchase clears through a right-of-first-refusal rather than a co-op board, and pied-à-terre, LLC, trust, and investor ownership are customary at condominiums of this type. Within the building, the variables that move price are floor and light — the setback penthouses and their terraces are the scarce inventory — and the loft layouts reward buyers who want open volume over a carved-up pre-war plan. The Financial District location puts nearly every downtown subway line, the Fulton Transit Center, and the Seaport within a short walk, which matters for both lifestyle and resale.
What to know if you’re selling
A resale here markets on three things: the condominium flexibility, the loft proportions of a true converted commercial floor plate, and — for the top-tier homes — private outdoor space, which is genuinely scarce in the Financial District. Benchmark to other downtown loft conversions rather than to ground-up glass towers; the buyer for 111 William is choosing character and volume. Condominium closing mechanics are faster and more predictable than a co-op's, which is itself a selling point to the financing- and flexibility-minded buyer this building draws.
Comparable buildings
If you're weighing 111 William Street, also look at these Financial District and downtown loft and conversion peers:
- 130 William Street — a sculptural condominium tower a block away
- 119 Fulton Street — Financial District condominium nearby
- 150 Nassau Street — pre-war office-to-residential conversion
- 20 Pine Street — landmark conversion condominium downtown
- 55 Liberty Street — pre-war Financial District residential conversion
The neighborhood
For the full corridor — architecture, schools, transit, and pricing across Financial District — read The Roebling Team Guide to Financial District.
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