525 UNION AVE, Brooklyn, NY 11211 — Property Records, Permits, Violations, Tax & Zoning | RegWatch

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Year Built2007

Floors5

Units43

Building Area64,650 sqft

ZoningM1-2/R6

ClassC1

Market Value$12.5M

525 UNION AVE is a property located at 525 UNION AVE, Brooklyn, NY 11211. It is classified as a walk-up apartment - over six families without stores. The building was constructed in 2007. It has 5 floors and 43 units. The building area is 64,650 square feet on a 15,550 sqft lot. The property is zoned M1-2/R6. The assessed market value is $12.5M. It last sold for $38M on Mar 31, 2026. Public records list the property as company-owned. There are 59 building permits on record (44 active). There are 146 violations on record (8 currently open). 73 docketed judgments carrying $900 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

525records on file

84Energy Star

Completed in 2007, 525 Union Ave rises 5 stories over Kings. Public records put it at 43 units and 64,650 square feet of floor area, on land zoned M1-2/R6. It is carried on the public rolls at a market value of $12.5M, and assessed for tax at $5.6M. In the 35 years its record reaches back, the lot has drawn 525 separate government filings.

The documentary life of the address leans hard toward violation: 146 of its 525 records, fully 28%, fall under that one heading. Enforcement (128) and complaint (97) trail well behind. 8 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 2021.

On the environmental ledger, the building posts an Energy Star score of 84, with a site energy-use intensity of 33.5 kBtu per square foot. Its operations answer for roughly 215 metric tons of CO2-equivalent a year.

Read together — 28% violation, 35 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$12.5M of Kings, written across 525 government filings.

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Sources

NYC DOB NYC HPD NYC DOF ACRIS NYC DCP ECB/OATH NYC DEP NYC LPC NYC FDNY NYS DHCR MOCEJ FEMA EPA US Census HUD USGS

updated Aug 1, 2026

Property Details

Address525 UNION AVE, Brooklyn, NY 11211

Building TypeWalk-Up Apartment - Over Six Families Without Stores

Building ClassC1

Year Built2007

Floors5

Total Units43

Building Area64,650 sqft

Lot Size15,550 sqft

ZoningM1-2/R6

ConditionAverage

BBL3023150014

BIN3061859

OwnershipCompany-owned

Assessment & Sales

Market Value$12.5M

Assessed Total$5.6M

Assessed Land$297K

Last Sale Price$38M

Last Sale DateMar 31, 2026

Building Permits

59 on record · 44 active

AlterationDOB Legacy

ISSUED

Filed Mar 12, 2024Job #340763515-01-03

OT

View this permit's full record & inspection history →

General ConstructionDOB NOW

PERMIT ENTIRE

Filed Oct 3, 2023Est. cost $5KJob #B00383088-I1

View this permit's full record & inspection history →

Alteration — Type 3DOB Legacy

PERMIT ISSUED - ENTIRE JOB/WORK

Filed Sep 1, 2023Est. cost $6KJob #340763515-01

GEN. CONSTR.

View this permit's full record & inspection history →

AlterationDOB Legacy

ISSUED

Filed Jul 5, 2023Job #340763515-01-02

OT

View this permit's full record & inspection history →

General ConstructionDOB NOW

LOC ISSUED

Filed May 22, 2023Est. cost $8KJob #B00391006-I1

View this permit's full record & inspection history →

+ 54 more permits — view full report

Violations

146 on record · 8 open

Open judgment balance — docketed OATH judgments$900

Judgments · 73 docketed

Sanitation summons (OATH)JUDGMENT DOCKETED

Docketed Nov 30, 2025Ticket #049090346P

STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE

Sanitation summons (OATH)JUDGMENT DOCKETED

Docketed Oct 31, 2025Ticket #049041434Y

FAIL TO RECYCLE ORGANIC WASTE 9 OR MORE DWELLING UNITS 1ST

Sanitation summons (OATH)JUDGMENT DOCKETED

Docketed Oct 31, 2025Ticket #048960587X

IMPROPER DISPOSAL--BEDDING 1ST OCCURRENCE

Sanitation summons (OATH)JUDGMENT DOCKETED

Docketed Jun 30, 2025Ticket #048738952H

LOOSE RUBBISH 1ST OCCURRENCE

Sanitation summons (OATH)JUDGMENT DOCKETED

Docketed Nov 30, 2024Ticket #048319347N

STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE

+ 68 more docketed judgments — view full report

HPDClass B

VIOLATION DISMISSED

Issued Jul 3, 2025#18079218

§ 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2D, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST

View this violation's full details & status history →

HPDClass B

VIOLATION DISMISSED

Issued Jul 3, 2025#18079216

§ 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2D, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST

View this violation's full details & status history →

HPDClass C

VIOLATION CLOSED

Issued Jul 3, 2025#18079186

§ 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 HINGES AT COMPACTOR CLOSET DOOR AT PUBLIC HALL, 2nd STORY

View this violation's full details & status history →

HPDClass A

VIOLATION DISMISSED

Issued May 31, 2025#17926724

§ 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR MISSING AT PUBLIC HALL, 1st STORY

View this violation's full details & status history →

HPDClass A

VIOLATION DISMISSED

Issued May 21, 2025#17909546

§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE 3 SQ FT FIRE RETARTED PLASTER AT CEILING AT GARAGE

View this violation's full details & status history →

+ 141 more violations on record — view full report

Get the Complete Report for 525 UNION AVE

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

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Frequently Asked Questions

When was 525 UNION AVE, Brooklyn built?

The building at 525 UNION AVE, Brooklyn, NY 11211 was constructed in 2007. It is classified as a walk-up apartment - over six families without stores with 5 floors and 43 units. The building area is 64,650 sqft.

Are there building permits at 525 UNION AVE, Brooklyn?

Yes. 525 UNION AVE, Brooklyn, NY 11211 has 59 building permits on record, with 44 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Alteration (ISSUED) filed Mar 12, 2024.

Does 525 UNION AVE, Brooklyn have violations?

Yes. 525 UNION AVE, Brooklyn, NY 11211 has 146 violations on record, with 8 currently open. Breakdown: 59 DOB, 43 ECB, 44 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 525 UNION AVE, Brooklyn have docketed judgments?

Yes. 525 UNION AVE, Brooklyn, NY 11211 has 73 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $900. 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 525 UNION AVE?

525 UNION AVE, Brooklyn, NY 11211 has an assessed market value of $12.5M and a total assessed value of $5.6M (land: $297K). Assessment data is from the NYC Department of Finance (DOF).

When was 525 UNION AVE last sold?

525 UNION AVE, Brooklyn, NY 11211 last sold for $38M on Mar 31, 2026. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 525 UNION AVE?

525 UNION AVE, Brooklyn, NY 11211 is zoned M1-2/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 525 UNION AVE?

525 UNION AVE, Brooklyn, NY 11211 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 525 UNION AVE?

Search 525 UNION AVE 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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525 UNION AVE, Brooklyn, NY 11211 — Property Records, Permits, Violations, Tax & Zoning | RegWatch