Manhattan condos · below 96th $1,600/sf ▴2%Manhattan co-ops · below 96th $270K/room ▴2%Central Park perimeterPark Ave $478K/room ▴19%CPW $355K/room ▾5%Fifth Ave $501K/room ▴19%Billionaires' Row $4,313/sf ▴24%Hudson Yards $2,140/sf ▾6%
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Condominium · 1984
The Kingsley
400 East 70th Street, New York, NY 10021

The Kingsley (400 East 70th Street)

400 East 70th Street, New York, NY 10021

Lenox Hill, Upper East Side

BBL 1014647501 · BIN 1045589

At a glance
Year built
1984
Type
Condominium
Units
216
Floors
40
Landmark
No
Pets
No pets (strict no-pets policy)
Pied-à-terre
Allowed
Financing
Condominium — no co-op financing cap; confirm current down-payment terms at offer stage

The Kingsley sales history: 252 recorded sales

The Data Room

Every recorded sale at this building, 2002–2026

Price-per-square-foot over time, the line- and floor-premium curves, and every recorded sale.

Median $/sf
$1,235
Listing discount
3.7%
Recorded sales
252
On record
2002–2026
Considering a sale?

Own an apartment here? See what it would sell for.

A Private Pricing Opinion — what your apartment at The Kingsley 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.

The Kingsley is a 40-story, 216-unit condominium at First Avenue and 70th Street, built in 1984 by developer Ian Bruce Eichner to a Stephen B. Jacobs design notable for its bold stepped massing and rounded balconies. Its signature amenity choice is architectural: the developer placed the fitness center on the 31st floor, with panoramic views and two outdoor terraces, rather than in the base — turning a standard amenity into a skyline experience and giving the building a distinctive identity in the corridor.

Built during the mid-1980s condominium boom as new construction rather than a conversion, The Kingsley offers the transactional flexibility the corridor's cooperative inventory does not: no co-op financing cap, permitted pied-à-terre use, sublets allowed with approval or notice, and condo-fast closings. The full-service baseline — 24-hour doorman and concierge, live-in resident manager, laundry on every floor, direct-access parking garage, bike room, storage, and a residents' lounge — rounds out the offering.

Two honest notes for buyers. First, the building enforces a strict no-pets policy, which is more restrictive than most corridor condominiums and a threshold consideration for pet owners. Second, a building-wide assessment has been in place through April 2026; buyers should confirm its current status and any successor assessment during diligence.

Architecture and unit composition

The 216 residences distribute across the tower's 40 stories in layouts that run from studios through two-bedroom and larger homes, with many units carrying terraces or the building's signature rounded balconies. South and west high-floor exposures are prized for evening light and views. Interior finish quality varies across the inventory; apartment-level diligence is the right reference for any given line and floor.

Jacobs's stepped massing gives the building a sculpted profile on the First Avenue frontage, and the rounded balconies are its most recognizable feature.

Building operations

The Kingsley operates as a full-service condominium with a 24-hour doorman and concierge and a live-in resident manager. The 31st-floor fitness center with its two terraces is the amenity centerpiece, supported by laundry on every floor, a direct-access public parking garage, a bike room, luggage and resident storage, a residents' lounge, and a courtyard.

Two operating points matter for diligence: the strict no-pets policy and the building-wide assessment in place through April 2026. Buyers should confirm the assessment's current status, model the full carry, and review the building's financials and reserve position during due diligence.

Local Law 97

Carbon-penalty exposure
🟡
Moderate — under today's cap; material modeled 2030 exposure
2024–2029 annual penalty
$0 (under cap)
2030–2034 annual penalty
$83,671/yr
Per unit / month range
$0 – $32
Modeled exposure split equally across 216 units (the city tax-lot count). Not an assessed amount; co-op shareholders are typically charged by share allocation.

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

Local Law 11 / FISP · last inspection 2020–25
SWARMP
What this means for you

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.

Inspection history
2005–10
Safe
2010–15
SWARMP
2015–20
Safe
2020–25
SWARMP
2025–30
Due
Next report due
by Feb 2027
Assessed · 2005–10 to 2020–25
$20,000 in filing penalties
payment status not in the record
The three grades, in buyer terms
SafeLatest filing: Safe — no repairs required at that inspection.
SWARMPLatest filing: repairs are due by the deadline stated in the filing.
UnsafeLatest filing: unsafe conditions requiring corrective action.
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.

See the full facade history →

Management & transfer contacts

Managing agent
Sublet policy
Allowed; application and waiver required
Notable fees
Buyer move-in fee $1,000 + $500 refundable deposit; Seller move-out fee $1,000; Waiver of First Refusal Fee $350
Transfer facts compiled by The Roebling Team · as of 2026-07. Confirm current policies and fees with the managing agent before contract.

Recent sales

The Kingsley trades as a full-service Lenox Hill condominium, with smaller one-bedrooms at the entry point of the building's range and larger high-floor two-bedrooms at the top. High-floor south and west exposures carry the premium.

Pricing is heterogeneous by floor, exposure, and layout, and the assessment is a live variable in the near-term carry. Comparable analysis should reference recent closings on the specific line and floor rather than a single building-wide average.

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.

DateUnitApartmentPricePPSFvs. Ask
Sep 24, 20261108
1 BR · 1 BA · 575 sf
$670,000$1,165/sf-0.7%
Sep 23, 20262402
2 BR · 2 BA · 1,150 sf
$1,715,000$1,491/sf-4.5%
Aug 14, 20261001
1 BR · 1.5 BA · 750 sf
$930,000$1,240/sf-15.1%
Jul 29, 20263005
2 BR · 2.5 BA · 1,284 sf
$1,940,000$1,511/sf-8.7%
May 6, 2026505
1 BR · 539 sf
$476,000$883/sfoff-mkt
Mar 17, 20263602
2 BR · 2.5 BA · 1,600 sf
$2,900,000$1,813/sf-1.7%
Feb 5, 20261903
1 BR · 1 BA · 537 sf
$620,000$1,155/sf-3.9%
Feb 5, 2026503
1 BA · 535 sf
$658,000$1,230/sf-2.5%

Market read. Most recent trades (2026) cleared a median $1,235/sf (recorded) across 8 sales. Median listing discount 3.7% 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.

407 · 592 sf+104%
$299,000 ($498/sf) 2003 → $500,000 ($833/sf) 2007 → $610,000 ($1,030/sf) 2014
3301 · 1,129 sf+101%
$920,000 ($815/sf) 2003 → $1,500,000 ($1,329/sf) 2008 → $1,850,000 ($1,639/sf) 2017
1703 · 535 sf+100%
$342,000 ($595/sf) 2002 → $685,000 ($1,280/sf) 2025
1208 · 600 sf+89%
$375,000 ($625/sf) 2003 → $710,000 ($1,183/sf) 2025
1701 · 767 sf+77%
$620,000 ($808/sf) 2004 → $1,095,000 ($1,428/sf) 2019
View all 252 recorded sales, sortable

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 1-01464-7501). 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.

Rents · The Roebling Index

Closed rents at The Kingsley, last 36 months

$81median rent per sq ft per year
SizeLeasesMedian / month
1 bedroom11$4,200

13 closed leases, October 2023 to September 2026. Most recent lease August 2026. Sizes with fewer than 2 leases are not shown. Compiled by The Roebling Team at Compass from closed leases.

What would buying here cost?

At the recent median sale of $875K (20 sales since 2024), a buyer putting 25% down would pay about $32,552 to close, or 3.7% of the price.

  • Mansion tax: $0
  • Mortgage recording tax: $12,633
  • Title insurance: $3,937
  • Attorneys, lender, building fees, reserves and filings: $15,981

Assumes a resale (the seller pays transfer taxes), a $4,500 attorney fee and a mortgage on the rest.

The Roebling Report

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What to know if you’re buying

The 31st-floor gym is a distinctive draw. A high-floor fitness center with panoramic views and two terraces is a genuine differentiator.

Condominium flexibility applies. No co-op financing cap, pied-à-terre permitted, sublets allowed with approval or notice, and condo-fast closings.

The strict no-pets policy is a threshold consideration. Confirm before proceeding if you have or plan to have a pet.

Confirm the assessment status. A building-wide assessment has been in place through April 2026; verify its current standing and any successor.

What to know if you’re selling

Lead with the high-floor gym and the balconies. The 31st-floor fitness center and the signature rounded balconies are the building's most marketable features.

Address the assessment proactively. Buyers will ask; have the current status ready.

Price at the line and floor. Exposure and floor drive meaningful variation; reference the specific line's comparables.

Comparable buildings

If you're considering The Kingsley, also evaluate:

More Upper East Side buildings

The neighborhood

For the full corridor — architecture, transit, and pricing across Upper East Side — read The Roebling Team Guide to Upper East Side.

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 Kingsley?

Request a private building brief with the relevant comparable sales, current and off-market availability, and an apartment-specific view of value.

Prefer to speak directly? Schedule a consultation →
Corey Cohen, Principal · The Roebling Team at Compass
646.939.7375 · c.cohen@compass.com