The listing facts are current enough for an initial property review.
for saleRealtyLens property overview
$1,599,999
651 20th St
Brooklyn, NY, 11218
View more Brooklyn, NY property pages4Beds
2.25Baths
1,880Sqft
$851$/sqft
Market Insights
Below nearby median-6.3%
$851/sqft vs a nearby median of $908/sqft.
Nearby median$908/sqft
Nearby properties12
Property size1,880 sqft
- -6.3% versus the nearby median price per square foot.
- Price history is limited, so current comps matter more than trend alone.
- 1,880 sqft creates a usable price-per-square-foot read.
Pricing Read
Yardstick fair value$1.66M$1.51M – $1.81M · 50% confidence
vs ask $1.60M−$59k (−3.7%)
Asking price is well-anchored to the comp picture (-3.7%). Negotiate on terms, not headline price.
$861/sqft median across 8 tight comps × 1,880 sqft= $1.62M
- Transit access+$40k +2.5%
- Pre-war character+$40k +2.5%
- Days-on-market gravity−$40k −2.5%
Cumulative NYC adjustments+$40k+2.5%
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 Read1 item to check
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Listing Details
- Days on market
- 140 days
- Last price change
- No change recorded
- Listed
- Dec 23, 2025
- Photos
- 17 photos
- Property type
- single family
- Status
- for sale
Photos
Building Facts
- Year built
- 1901
- Stories
- 2
- Total units
- 2
- Residential units
- 2
- Building area
- 1,880 sqft
- Lot size
- 1,800 sqft
- Land use
- One and two family buildings
- Building class
- B2
From NYC public records where available.
Price History
May 4, 2026Initial record
$1,599,999for sale
Public Records
DOB violations0 open
0 total recorded against the building
HPD violations0 open
0 total recorded
ACRIS documents8
Tax-lot deed, mortgage, and transfer records on file
311 calls (12 mo)30,160
Top: illegal parking
Top complaint types in ZIP 11218
- Illegal Parking7,698
- HEAT/HOT WATER3,083
- Blocked Driveway1,950
- Noise - Residential1,755
- Street Condition857
Sourced from NYC Open Data (DOB, HPD, ACRIS). Updated as the city republishes — check the original source for live status.