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Brooklyn • Education

850 Montgomery St

Brooklyn, NY 11213Government-ownedBBL 3014230014BIN 3038372
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Updated Aug 1, 2026 · 16 sources

Year Built1939
Floors4
Units1
Building Area72,000 sqft
ZoningR7-1
ClassW1
Market Value$9.9M

850 MONTGOMERY ST is a property located at 850 MONTGOMERY ST, Brooklyn, NY 11213. It is classified as a education - public school. The building was constructed in 1939. It has 4 floors and 1 unit. The building area is 72,000 square feet on a 81,108 sqft lot. The property is zoned R7-1. The assessed market value is $9.9M. Public records list the property as government-owned. There are 141 building permits on record (88 active). There are 88 violations on record (20 currently open). 3 docketed judgments 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

412records on file
25Energy Star

Completed in 1939, 850 Montgomery St rises 4 stories over Kings. Public records put it at 1 unit and 72,000 square feet of floor area, on land zoned R7-1. It is carried on the public rolls at a market value of $9.9M, and assessed for tax at $4.4M. In the 33 years its record reaches back, the lot has drawn 412 separate government filings.

The documentary life of the address leans hard toward permit: 141 of its 412 records, fully 34%, fall under that one heading. Violation (88) and enforcement (74) trail well behind. 20 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 2026.

On the environmental ledger, the building posts an Energy Star score of 25, with a site energy-use intensity of 95.7 kBtu per square foot. Its operations answer for roughly 744 metric tons of CO2-equivalent a year.

Read together — 34% permit, 33 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$9.9M of Kings, written across 412 government filings.

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

Property Details

Address850 MONTGOMERY ST, Brooklyn, NY 11213
Building TypeEducation - Public School
W1
Year Built1939
Floors4
Total Units1
Building Area72,000 sqft
Lot Size81,108 sqft
ZoningR7-1
3014230014
3038372
OwnershipGovernment-owned

Assessment & Sales

$9.9M
$4.4M
$855K

Building Permits

141 on record · 88 active
Asbestos AbatementDEP
SUBMITTED
Filed Jul 24, 2026Job #TRU1233BK26
View this permit's full record & inspection history →
Asbestos AbatementDEP
SUBMITTED
Filed Apr 6, 2026Job #TRU1611BK25
View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ISSUED
Filed Feb 10, 2026Est. cost $2.1MJob #B00968639-I1

Renewal Permit Without Changes

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Feb 10, 2026Est. cost $2.1MJob #B00968639-I1
View this permit's full record & inspection history →
Asbestos AbatementDEP
CLOSED
Filed Dec 12, 2025Job #TRU2386BK25
View this permit's full record & inspection history →

+ 136 more permits — view full report

Violations

88 on record · 20 open
Judgments · 3 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Oct 31, 2004Ticket #0142645544
RECYCLABLES PLACED FOR COLLECTION WITH NON-RECYCLABLES
OATH summonsJUDGMENT DOCKETED
Docketed May 10, 2002Ticket #000152516L
OATH summonsJUDGMENT DOCKETED
Docketed Jan 14, 2002Ticket #034295174M
FAILURE TO MAINTAIN DEFECTS CRACKED PLASTER, WALLS WITH LEAVY WATER DA
ECBConstruction
ACTIVE
Issued Jun 24, 2026#35734532L

FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER.LACK OF EMERGENCY LIGHTING FOR EXITS,EXIT DISCHARGES AND PUBLIC CORRIDORS PER BC 1006.1;27-542.NOTED:AT 3RD FL LIBRARY RM 316 NOT INSTALLED/PROVIDED WITHOUT

View this violation's full details & status history →
ECBConstruction
ACTIVE
Issued Jun 24, 2026#35734531J

FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER.NOTED:AT 1ST FL AUDITORIUM/STAGES OF EXITS 3 AND 4 EGRESS OBSTRUCTED BY/WITH OF MULTIPLE OF ITEMS CHAIRS,TABLES BOXES,ETC.REM:COMPLY WITH CODE.

View this violation's full details & status history →
ECBConstruction
ACTIVE
Issued Jun 24, 2026#35734530H

REISSUE ECB#35719910Y FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER.ILLUMINATION FOR EXITS,EXIT DISCHARGES AND PUBLIC CORRIDORS PER BC 1006.1;27-381.NOTED:AT 1ST FL AUDITORIUM 3RD FL GYM EMERGENCY LIGHT

View this violation's full details & status history →
ECBConstruction
ACTIVE
Issued Jun 24, 2026#35734529K

REISSUE ECB#35719911X FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER.NOTED:AT ROOF BULKHEAD LEFT AND RIGHT BOTH WITH CRACKS THROUGHOUT VARIOUS AREAS.REM:REPAIR AND/OR REPLACE.

View this violation's full details & status history →
ECBConstruction
ACTIVE
Issued Jun 24, 2026#35734533N

EXIT DOOR NOT SELF CLOSING.NOTED:AT 1ST FL EXIT 6 IN DISREPAIR/NOT CLOSING WHEN TESTED.REM:REPAIR/REPLACE DOOR.

View this violation's full details & status history →

+ 83 more violations on record — view full report

Get the Complete Report for 850 MONTGOMERY 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 MONTGOMERY ST, Brooklyn built?

The building at 850 MONTGOMERY ST, Brooklyn, NY 11213 was constructed in 1939. It is classified as a education - public school with 4 floors and 1 unit. The building area is 72,000 sqft.

Are there building permits at 850 MONTGOMERY ST, Brooklyn?

Yes. 850 MONTGOMERY ST, Brooklyn, NY 11213 has 141 building permits on record, with 88 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Asbestos Abatement (SUBMITTED) filed Jul 24, 2026.

Does 850 MONTGOMERY ST, Brooklyn have violations?

Yes. 850 MONTGOMERY ST, Brooklyn, NY 11213 has 88 violations on record, with 20 currently open. Breakdown: 15 DOB, 73 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 850 MONTGOMERY ST, Brooklyn have docketed judgments?

Yes. 850 MONTGOMERY ST, Brooklyn, NY 11213 has 3 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH). 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 MONTGOMERY ST?

850 MONTGOMERY ST, Brooklyn, NY 11213 has an assessed market value of $9.9M and a total assessed value of $4.4M (land: $855K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 850 MONTGOMERY ST?

850 MONTGOMERY ST, Brooklyn, NY 11213 is zoned R7-1. 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 MONTGOMERY ST?

850 MONTGOMERY ST, Brooklyn, NY 11213 is government-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 MONTGOMERY ST?

Search 850 MONTGOMERY 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 MONTGOMERY ST, Brooklyn, NY 11213 — Property Records, Permits, Violations, Tax & Zoning | RegWatch