The listing facts are current enough for an initial property review.
for saleRealtyLens property overview
$10,750,000
34 W 21st St
New York, NY, 10010
View more New York, NY property pages5Beds
7.5Baths
8,000Sqft
$1344$/sqft
Market Insights
Below nearby median-54%
$1344/sqft vs a nearby median of $2889/sqft.
Nearby median$2889/sqft
Nearby properties8
Property size8,000 sqft
- -54% versus the nearby median price per square foot.
- Price history is limited, so current comps matter more than trend alone.
- 8,000 sqft creates a usable price-per-square-foot read.
Pricing Read
Yardstick fair value$23M$21M – $25M · 50% confidence
vs ask $11M−$13M (−117.1%)
Asking price is about 117.1% below the fair value — likely to draw competing offers if it's still on market.
$2,889/sqft median across 6 tight comps × 8,000 sqft= $23M
- Days-on-market gravity−$693k −3.0%
- Transit access+$578k +2.5%
- Modern construction+$347k +1.5%
Cumulative NYC adjustments+$231k+1.0%
Property Read
The asking price per square foot is below the nearby median, which can be worth a closer comp check.
Price history is still limited; review again as more market activity becomes available.
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Listing Details
- Days on market
- 182 days
- Last price change
- No change recorded
- Listed
- Nov 11, 2025
- Photos
- 10 photos
- Property type
- single family
- Status
- for sale
Photos
Building Facts
- Year built
- 2018
- Stories
- 7
- Total units
- 2
- Residential units
- 1
- Building area
- 7,975 sqft
- Lot size
- 1,481 sqft
- Land use
- Mixed residential and commercial buildings
- Building class
- S1
From NYC public records where available.
Price History
May 4, 2026Initial record
$10,750,000for sale
Public Records
DOB violations1 open
3 total recorded against the building
HPD violations0 open
0 total recorded
ACRIS documents33
Tax-lot deed, mortgage, and transfer records on file
311 calls (12 mo)11,105
Top: encampment
Top complaint types in ZIP 10010
- Encampment2,186
- HEAT/HOT WATER707
- Homeless Person Assistance676
- Noise - Residential616
- Noise601
Recent DOB
- Sep 16, 2020V*-DOB VIOLATION - DISMISSED · AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONE
- Nov 14, 2018V*-DOB VIOLATION - DISMISSED · AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONE
- Jul 21, 2015V-DOB VIOLATION - ACTIVE · E-ELEVATOR ELEVATORREQUIRED
Recent Transfers (ACRIS)
- Dec 1, 2025DEED$9,294,074.94
- Dec 1, 2025DEED
Sourced from NYC Open Data (DOB, HPD, ACRIS). Updated as the city republishes — check the original source for live status.