- Year built
- 2002
- Type
- Condominium
- Landmark
- No
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
- $1,490
- Listing discount
- 1.9%
- Recorded sales
- 37
- On record
- 2003–2026
Murray Hill's housing stock is dominated by two extremes: large prewar and postwar co-ops with many small units and strict boards, and a handful of ground-up condominiums built in the development cycles of the last few decades. 143 East 34th Street belongs to the second group, and it occupies a particular niche within it — a genuinely boutique condominium with only about two homes per floor, a low-density layout that is unusual for the neighborhood and increasingly rare anywhere in Midtown South.
Completed in 2002 as a new-construction condominium, the building was designed around space and privacy rather than amenity volume: roughly half-floor and full-floor residences, full-floor penthouses with private elevator landings, oversized windows, and the floor-to-ceiling proportions of contemporary construction. For a buyer who wants the flexibility and ownership structure of a condominium — fast closings, foreign-buyer friendliness, pied-à-terre and investment use — combined with the feel of a small, private building, it is one of the more distinctive options in Murray Hill.
The location is quietly central: between Lexington and Third on East 34th Street, the building sits within easy reach of Grand Central, the Midtown core, NYU Langone and the East Side medical corridor, and the East Side's transit, while remaining on a residential mid-block.
Architecture and unit composition
143 East 34th Street is a boutique condominium of roughly sixteen stories with a low-density floor plate — about two residences per floor — and a masonry façade with oversized windows. The design emphasizes generous, light-filled layouts and privacy: half- and full-floor homes, with full-floor penthouses served by their own private elevator landings.
Because the building is small, the unit composition is intimate and the inventory turns over infrequently. Apartments feature the contemporary finishes and proportions of early-2000s new construction, and many include in-residence washer/dryers — a practical advantage over the area's older co-op stock.
Building operations
143 East 34th Street operates as a boutique condominium with a part-time doorman, a live-in superintendent, elevator service, a common roof deck, and a second-floor outdoor garden with a grill. The building is pet-friendly, with cats and dogs permitted. As a small condominium, the staffing and amenity model is appropriately scaled rather than full-service — a trade-off many buyers prefer for the privacy and lower common-charge load it implies.
Carrying costs on a condominium are expressed as common charges plus separately billed real estate taxes. Buyers should review the building's financials, reserve position, and any assessment or capital-project history during due diligence. The Roebling Research Library maintains current building materials for clients.
Local Law 97
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $13,456/yr
- Per unit / month range
- $0 – $40
Facade safety — Local Law 11
The latest available FISP filing classified the facade as Safe — no repairs were required at that inspection. Facade inspections run on a fixed five-year cycle; future inspection, repair, and any assessment decisions remain building-specific.
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
Because 143 East 34th Street is a boutique condominium, individual apartments come to market infrequently, and each sale carries meaningful weight in the building's pricing picture. As a condo, value is read on a price-per-square-foot basis, with floor, exposure, layout (half-floor versus full-floor), and renovation state driving the variation — and the full-floor penthouses with private landings sitting at the top of the building's range. Condo flexibility (fast closings, pied-à-terre and investment use, foreign buyers) tends to broaden the buyer pool. Our sales view for the building reflects recorded transfers as they post.
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 |
|---|---|---|---|---|---|
| Mar 2, 2026 | 12NSponsor Sale | 1,150 sf | $1,769,470 | $1,539/sf | off-mkt |
| Mar 2, 2026 | 11NSponsor Sale | 940 sf | $1,771,480 | $1,885/sf | off-mkt |
| Feb 6, 2025 | 10N | 2 BR · 2 BA · 1,200 sf | $1,515,000 | $1,263/sf | -1.9% |
| Oct 31, 2024 | 6S | 1 BR · 1.5 BA · 940 sf | $1,290,000 | $1,372/sf | -4.4% |
| Aug 13, 2021 | 9N | 2 BR · 2 BA · 1,200 sf | $1,500,000 | $1,250/sf | -7.7% |
| Jul 15, 2021 | 14N | 2 BR · 2 BA · 1,150 sf | $1,375,000 | $1,196/sf | -3.5% |
| Feb 3, 2021 | 2EN | 3 BR · 2 BA · 1,500 sf | $1,795,000 | $1,197/sf | -0.2% |
| Sep 6, 2019 | 6N | 2 BR · 2 BA · 1,150 sf | $1,395,000 | $1,213/sf | +0.0% |
Market read. Most recent trades (2026) cleared a median $1,490/sf across 2 sales. Median listing discount 1.9% 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 1-00890-7503) 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
You're buying privacy and space. The roughly two-per-floor layout, the half- and full-floor homes, and the penthouse private landings are the building's defining features. Confirm the exact configuration of the apartment you're considering.
Condo flexibility is real. Expect 30–45 day closings; foreign buyers welcome; pied-à-terre and investment use permitted under the declaration.
Underwrite a boutique building. With a small unit count, the building's finances are more concentrated — review reserves, common charges, and any assessment or capital-project history closely.
Run the mansion tax and price-per-foot math. Use the Mansion Tax Calculator, and benchmark price per square foot against the apartment's floor and condition.
What to know if you’re selling
Lead with the boutique, full-floor story. Privacy, light, and the low-density layout are what differentiate this building from the area's larger co-ops and condos — name them.
Price on square footage and condition. Benchmark against the building's own recent sales and the best comparable boutique condo inventory in Murray Hill, adjusting for floor, exposure, and renovation state.
Use condo speed as a selling point. The faster, more flexible condo process and the absence of a co-op board interview widen the qualified-buyer pool relative to nearby co-ops.
Comparable buildings
If you're weighing 143 East 34th Street, these nearby Murray Hill, Kips Bay, and East Side condos and co-ops make a useful comparison set:
- 225 East 34th Street — a nearby Murray Hill residential building on the same block stretch
- 165 Lexington Avenue (The Lexi) — a newer boutique Kips Bay condominium
- 385 Third Avenue — a full-service Kips Bay/Gramercy building
- 181 East 28th Street — a nearby Kips Bay residential building
- 111 Third Avenue — a Gramercy/East Side condominium address
The neighborhood
For the full corridor — architecture, schools, transit, and pricing across Gramercy — read The Roebling Team Guide to Gramercy.
Considering a move at 143 East 34th Street?
Request a private building brief with the relevant comparable sales, current and off-market availability, and an apartment-specific view of value.
Own an apartment here? See what it would sell for.
A Private Pricing Opinion — what your apartment at 143 East 34th 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.