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Brooklyn • Elevator Apartment

850 East 31 St

Brooklyn, NY 11210Company-ownedBBL 3075760069BIN 3206440
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Updated Aug 1, 2026 · 16 sources

Year Built1930
Floors6
Units71
Building Area70,650 sqft
ZoningR6
ClassD1
Market Value$3.5M

850 EAST 31 ST is a property located at 850 EAST 31 ST, Brooklyn, NY 11210. It is classified as a elevator apartment - semi-fireproof. The building was constructed in 1930. It has 6 floors and 71 units. The building area is 70,650 square feet on a 16,835 sqft lot. The property is zoned R6. The assessed market value is $3.5M. Public records list the property as company-owned. There are 14 building permits on record (12 active). There are 785 violations on record (44 currently open). 11 docketed judgments carrying $50 in open balances are on record with OATH. Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

1,418records on file
69Energy Star

Completed in 1930, 850 East 31 St rises 6 stories over Kings. Public records put it at 71 units and 70,650 square feet of floor area, on land zoned R6. It is carried on the public rolls at a market value of $3.5M, and assessed for tax at $1.6M. In the 58 years its record reaches back, the lot has drawn 1,418 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward violation: 785 of its 1,418 records, fully 55%, fall under that one heading. Complaint (531) and enforcement (27) trail well behind. 44 violations stand open against it today.

The pace is anything but even. The early decades pass in near silence; the filings cluster heavily in recent years, peaking in 2024.

On the environmental ledger, the building posts an Energy Star score of 69, with a site energy-use intensity of 71.0 kBtu per square foot. Its operations answer for roughly 307 metric tons of CO2-equivalent a year.

Read together — 55% violation, 58 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$3.5M of Kings, written across 1,418 government filings.

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Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
updated

Property Details

Address850 EAST 31 ST, Brooklyn, NY 11210
Building TypeElevator Apartment - Semi-Fireproof
D1
Year Built1930
Floors6
Total Units71
Building Area70,650 sqft
Lot Size16,835 sqft
ZoningR6
ConditionAverage
3075760069
3206440
OwnershipCompany-owned

Assessment & Sales

$3.5M
$1.6M
$298K

Building Permits

14 on record · 12 active
ElectricalDOB NOW
COMPLETE
Filed Sep 29, 2022Job #B08013105-I1-EL

alteration of elevator 3P2303 by elevator company in conjunction with elevator application. Elevator control and load side wiring only by elevator employees conforming to standards of the electrical code. (273018e). Power , 110v lighting, mr, pit gfci by others. PB456

View this permit's full record & inspection history →
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Mar 30, 2016Est. cost $18KJob #320709505-01
View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
ISSUED
Filed Feb 4, 2013Job #320709505-01-01

PL

View this permit's full record & inspection history →
PlumbingDOB Legacy
ISSUED
Filed Feb 4, 2013Job #320709505-1-1-hist

FS

View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
ISSUED
Filed Oct 13, 2009Job #320077992-01-01

EQ

View this permit's full record & inspection history →

+ 9 more permits — view full report

Violations

785 on record · 44 open
Open judgment balance — docketed OATH judgments$50
Judgments · 11 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Jun 30, 2025Balance $50Ticket #048717859K
STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Aug 31, 2022Ticket #039052976J
FAILURE TO MAINTAIN ELEVATOR OR CONVEYING SYSTEM
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Aug 31, 2020Ticket #044722522X
STORAGE OF RECEPTACLES
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Jun 30, 2020Ticket #038271083X
FAILURE TO MAINTAIN ELEVATOR OR CONVEYING SYSTEM
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Apr 30, 2020Ticket #038269704R
FAILURE TO MAINTAIN ELEVATOR OR CONVEYING SYSTEM

+ 6 more docketed judgments — view full report

HPDClass C
DEFECT LETTER ISSUED
Issued Oct 22, 2025#18318356

HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT D11, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST

View this violation's full details & status history →
HPDClass C
DEFECT LETTER ISSUED
Issued Sep 15, 2025#18228612

HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT E2, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST

View this violation's full details & status history →

+ 783 more violations on record — view full report

Get the Complete Report for 850 EAST 31 ST

Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

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Frequently Asked Questions

When was 850 EAST 31 ST, Brooklyn built?

The building at 850 EAST 31 ST, Brooklyn, NY 11210 was constructed in 1930. It is classified as a elevator apartment - semi-fireproof with 6 floors and 71 units. The building area is 70,650 sqft.

Are there building permits at 850 EAST 31 ST, Brooklyn?

Yes. 850 EAST 31 ST, Brooklyn, NY 11210 has 14 building permits on record, with 12 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Electrical (COMPLETE) filed Sep 29, 2022.

Does 850 EAST 31 ST, Brooklyn have violations?

Yes. 850 EAST 31 ST, Brooklyn, NY 11210 has 785 violations on record, with 44 currently open. Breakdown: 16 DOB, 12 ECB, 757 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 850 EAST 31 ST, Brooklyn have docketed judgments?

Yes. 850 EAST 31 ST, Brooklyn, NY 11210 has 11 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $50. A docketed judgment is an enforceable money judgment entered by OATH after a hearing on a summons issued at this property; where the respondent is the property owner it can attach to the property as a lien.

What is the property tax assessment for 850 EAST 31 ST?

850 EAST 31 ST, Brooklyn, NY 11210 has an assessed market value of $3.5M and a total assessed value of $1.6M (land: $298K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 850 EAST 31 ST?

850 EAST 31 ST, Brooklyn, NY 11210 is zoned R6. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 850 EAST 31 ST?

850 EAST 31 ST, Brooklyn, NY 11210 is company-owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 850 EAST 31 ST?

Search 850 EAST 31 ST on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report adds the complete title history, owner contacts, and a downloadable PDF.

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850 EAST 31 ST, Brooklyn, NY 11210 — Property Records, Permits, Violations, Tax & Zoning | RegWatch