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for saleRealtyLens property overview
$998,000

18 W 70th St Apt 9H

New York, NY, 10023
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1Beds
1.5Baths
700Sqft
$1426$/sqft

Listing Notes

18 West 70 Street Apt 9H | New York, NY 10023 SPONSOR SALE - NO BOARD APPROVAL Be the first to reside in this brand-new, top-floor park block home at 18 West 70th Street. This exceptional 9th-floor residence, featuring nearly 10-foot ceilings and desirable southwest exposure, has undergone a complete gut renovation with refined finishes, central air conditioning, and meticulous craftsmanship throughout. Bathed in beautiful natural light throughout the day, every detail has been thoughtfully curated - from elegant herringbone oak flooring to custom lighting and premium materials - creating a sophisticated yet inviting atmosphere. The intelligently reconfigured layout maximizes both space and flow, offering modern functionality within a classic pre-war setting. The sun-filled kitchen is outfitted with high-end appliances and framed by oversized windows that enhance the bright southwest exposure. The serene primary suite features two fully customized closets and a spa-inspired en-suite bath with exquisite tilework and designer lighting. A beautifully appointed powder room near the living area adds convenience for guests. Additional highlights include: -Southwest exposure with abundant natural light -Nearly 10-foot ceilings -Central air conditioning -In-unit washer/dryer -Custom dining area -Ample storage throughout -Top-floor privacy Located on a picturesque park block just moments from Central Park, 18 West 70th Street is a charming pre-war cooperative offering: -Live-in superintendent -Full-time porter -Beautifully landscaped courtyard -Pet-friendly policy -Low maintenance: $1,588/month -Laundry room -Bicycle Room -Storage A rare opportunity to purchase a fully renovated sponsor unit with no board approval required in one of the Upper West Side's most desirable locations. A turnkey residence that seamlessly blends pre-war character with modern luxury.

Market Insights

Below nearby median-7.3%

$1426/sqft vs a nearby median of $1538/sqft.

Nearby median$1538/sqft
Nearby properties12
Property size700 sqft
  • -7.3% versus the nearby median price per square foot.
  • Price history is limited, so current comps matter more than trend alone.
  • 700 sqft creates a usable price-per-square-foot read.

Pricing Read

Yardstick fair value$1.08M$976k$1.19M · 42% confidence
vs ask $998k−$84k (−8.4%)

Asking price is about 8.4% below the fair value — likely to draw competing offers if it's still on market.

$1,538/sqft median across 5 tight comps × 700 sqft= $1.08M
  • Open Class C HPD violations−$65k −6.0%
  • Transit access+$43k +4.0%
  • Pre-war character+$27k +2.5%
Cumulative NYC adjustments+$5k+0.5%

Property Read

FreshnessCurrent market data

The listing facts are current enough for an initial property review.

Market Position-7.3% vs nearby

The asking price per square foot is below the nearby median, which can be worth a closer comp check.

Price MovementInitial price point

Price history is still limited; review again as more market activity becomes available.

Diligence Read2 items to check
AI ReadinessReady to analyze
Assistant read

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Generated from the facts shown on this page and nearby market data. Not a professional appraisal.

Listing Details

Days on market
32 days
Last price change
No change recorded
Listed
Apr 10, 2026
Photos
26 photos
Property type
coop
Status
for sale

Features & Amenities

Central AirDishwasherForced AirPets AllowedWasher DryerBasementHigh CeilingEnsuiteDen

Photos

Building Facts

Year built
1920
Stories
9
Total units
46
Residential units
46
Building area
1.38 ac
Lot size
8,335 sqft
Land use
Multi-family elevator buildings
Building class
D4

From NYC public records where available.

Price History

May 4, 2026Initial record
$998,000for sale

Public Records

DOB violations2 open

31 total recorded against the building

HPD violations61 open

4 class C (immediately hazardous)

ACRIS documents80

Tax-lot deed, mortgage, and transfer records on file

311 calls (12 mo)22,846

Top: noise - helicopter

Top complaint types in ZIP 10023

  • Noise - Helicopter6,336
  • Illegal Parking2,141
  • Encampment1,849
  • Homeless Person Assistance1,085
  • HEAT/HOT WATER923

Recent DOB

  • Feb 22, 2024V-DOB VIOLATION - ACTIVE · FISPNRF-NO REPORT AND / OR LATE FILING (FACADE) FACADE REQUIRED
  • Apr 30, 2019V*-DOB VIOLATION - Resolved · E-ELEVATOR ELEVATORREQUIRED
  • Apr 30, 2019V*-DOB VIOLATION - Resolved · E-ELEVATOR ELEVATORREQUIRED
  • Nov 9, 2018V-DOB VIOLATION - ACTIVE · P-PLUMBING NONE

Recent HPD

  • Nov 22, 2024Class I · §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITE...
  • Sep 14, 2024Class B · § 27-2026 ADM CODE REMOVE ALL OBSTRUCTIONS AND REPAIR ALL DEFECTS IN WASTE DRAIN PIPE AT THE SINK IN THE KITCHEN LOCATED AT APT 7F, 7th STORY, 1st APARTMENT FROM NORTH AT EAST
  • Sep 14, 2024Class B · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 7F, 7th STORY, 1st...
  • Sep 14, 2024Class B · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ALL WALLS IN THE BATHROOM LOCATED AT APT 7F, 7th STORY, 1st APARTMENT FROM NORT...

Sourced from NYC Open Data (DOB, HPD, ACRIS). Updated as the city republishes — check the original source for live status.

You can also find this listing on StreetEasy.

Listing data sourced from streeteasy.com. RealtyLens enriches and contextualises it for you, but the original listing lives on the source.