The listing facts are current enough for an initial property review.
for saleRealtyLens property overview
$433,000
309 Cooper St Apt 3B
Brooklyn, NY, 11237
View more Brooklyn, NY property pagesStudioBeds
1Baths
415Sqft
$1043$/sqft
Market Insights
Near nearby median-0.4%
$1043/sqft vs a nearby median of $1047/sqft.
Nearby median$1047/sqft
Nearby properties10
Property size415 sqft
- -0.4% versus the nearby median price per square foot.
- Price history is limited, so current comps matter more than trend alone.
- 415 sqft creates a usable price-per-square-foot read.
Pricing Read
Yardstick fair value$432k$398k – $466k · 62% confidence
vs ask $433k+$1k (+0.2%)
Asking price is well-anchored to the comp picture (+0.2%). Negotiate on terms, not headline price.
$1,051/sqft median across 3 tight comps × 415 sqft= $436k
- Days-on-market gravity−$13k −3.0%
- Transit access+$11k +2.5%
- Modern construction+$7k +1.5%
- Sparse street life−$7k −1.5%
- Visible condition issues−$2k −0.5%
Cumulative NYC adjustments−$4k−1.0%
Property Read
The property is close to nearby price-per-square-foot levels, so the decision will likely come down to condition and layout.
Price history is still limited; review again as more market activity becomes available.
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Listing Details
- Days on market
- 231 days
- Last price change
- No change recorded
- Listed
- Sep 23, 2025
- Photos
- 7 photos
- Property type
- condos
- Status
- for sale
Photos
Building Facts
- Year built
- 2014
- Stories
- 4
- Total units
- 6
- Residential units
- 6
- Building area
- 4,016 sqft
- Lot size
- 1,800 sqft
- Land use
- Multi-family walk-up buildings
- Building class
- R1
From NYC public records where available.
Price History
May 4, 2026Initial record
$433,000for sale
Public Records
DOB violations0 open
3 total recorded against the building
HPD violations4 open
8 total recorded
ACRIS documents0
Tax-lot deed, mortgage, and transfer records on file
311 calls (12 mo)27,921
Top: illegal parking
Top complaint types in ZIP 11237
- Illegal Parking3,351
- Noise - Street/Sidewalk3,250
- Noise - Residential2,735
- Blocked Driveway1,734
- Noise - Commercial1,619
Recent DOB
- Nov 5, 2014V*-DOB VIOLATION - DISMISSED · AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONE
- Nov 5, 2014V*-DOB VIOLATION - DISMISSED · AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONE
- Nov 5, 2014V*-DOB VIOLATION - DISMISSED · AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONE
Recent HPD
- May 8, 2026Class A · (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD S WEBSITE, WWW.NYC.GOV\HPD, SEARCH BE...
- Nov 20, 2025Class 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...
- Jun 13, 2025Class A · (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD S WEBSITE, WWW.NYC.GOV\HPD, SEARCH BE...
- Nov 29, 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...
Sourced from NYC Open Data (DOB, HPD, ACRIS). Updated as the city republishes — check the original source for live status.