RealtyLens
for saleRealtyLens property overview
$3,900,000

850 Clarkson Ave

Brooklyn, NY, 11203
View more Brooklyn, NY property pages
10Beds
N/ABaths
N/ASqft
N/A$/sqft

Market Insights

Market comparison pendingN/A

Comparable price-per-square-foot data is still developing for this home.

Nearby median$306/sqft
Nearby properties4
Property sizeN/A
  • 4 nearby properties available for comparison.
  • Price history is limited, so current comps matter more than trend alone.
  • Square footage is missing, so valuation should lean more heavily on comps and condition.

Estimated Monthly Payment

Per month, all-in$25,632/mo

Assumes 20% down, 7.00% APR over 30 years. Tax and insurance are national-average estimates — your lender quote will differ.

  • Principal & interest$20,757
  • Property tax (est.)$3,575
  • Home insurance (est.)$1,300

Property Read

FreshnessCurrent market data

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

Market Position4 nearby signals

Nearby inventory exists, but square-footage or price data is incomplete for a clean median comparison.

Price MovementInitial price point

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

Diligence Read1 item to check
AI ReadinessNeeds verification
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
18 days
Last price change
No change recorded
Listed
Apr 24, 2026
Photos
38 photos
Property type
multi family
Status
for sale

Photos

Building Facts

Year built
1931
Stories
3
Total units
6
Residential units
4
Building area
7,000 sqft
Lot size
2,400 sqft
Land use
Mixed residential and commercial buildings
Building class
S9

From NYC public records where available.

Price History

May 4, 2026Initial record
$3,900,000for sale

Public Records

DOB violations2 open

32 total recorded against the building

HPD violations1 open

31 total recorded

ACRIS documents80

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

311 calls (12 mo)29,113

Top: heat/hot water

Top complaint types in ZIP 11203

  • HEAT/HOT WATER3,472
  • Illegal Parking2,929
  • Noise - Residential2,634
  • Blocked Driveway2,571
  • UNSANITARY CONDITION1,366

Recent DOB

  • Jun 20, 2023V-DOB VIOLATION - ACTIVE · LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
  • Apr 6, 2018V*-DOB VIOLATION - DISMISSED · LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
  • Feb 24, 2017V*-DOB VIOLATION - DISMISSED · LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
  • Oct 1, 2015V*-DOB VIOLATION - DISMISSED · LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED

Recent HPD

  • May 4, 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...
  • May 16, 2025Class C · § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE MISSING LATCH AT VE...
  • May 16, 2025Class C · § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE DEFECTIVE DOOR HING...
  • Dec 15, 2024Class C · § 27-2037, 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES AT ALL LIGHT FIXTURE , THROUGH OUT ALL STORIES AT PUBLIC HALL

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.