The listing facts are current enough for an initial property review.
for saleRealtyLens property overview
$1,650,000
870 United Nations Plaza Plz Unit 18A
Manhattan, NY, 10017
View more Manhattan, NY property pages2Beds
2Baths
1,660Sqft
$994$/sqft
Market Insights
Below nearby median-42%
$994/sqft vs a nearby median of $1698/sqft.
Nearby median$1698/sqft
Nearby properties12
Property size1,660 sqft
- -42% versus the nearby median price per square foot.
- Price history is limited, so current comps matter more than trend alone.
- 1,660 sqft creates a usable price-per-square-foot read.
Pricing Read
Yardstick fair value$2.86M$2.60M – $3.11M · 50% confidence
vs ask $1.65M−$1.21M (−73.1%)
Asking price is about 73.1% below the fair value — likely to draw competing offers if it's still on market.
$1,738/sqft median across 10 tight comps × 1,660 sqft= $2.88M
- Mid-century building era−$43k −1.5%
- Transit access+$14k +0.5%
Cumulative NYC adjustments−$29k−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.
Diligence Read2 items to check
AI ReadinessReady to analyze
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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
- 43 days
- Last price change
- No change recorded
- Listed
- Mar 30, 2026
- Photos
- 18 photos
- Property type
- coop
- Status
- for sale
Photos
Building Facts
- Year built
- 1967
- Stories
- 37
- Total units
- 85
- Building area
- 7.05 ac
- Lot size
- 2.03 ac
- Land use
- Commercial and office buildings
- Building class
- RC
From NYC public records where available.
Price History
May 4, 2026Initial record
$1,650,000for sale