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2045 Union St

Brooklyn, NY 11212Company-ownedBBL 3035100011BIN 3080825
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Updated Aug 1, 2026 · 16 sources

Year Built1930
Floors4
Units27
Building Area34,200 sqft
ZoningR6
ClassC1
Market Value$2.3M

2045 UNION ST is a property located at 2045 UNION ST, Brooklyn, NY 11212. It is classified as a walk-up apartment - over six families without stores. The building was constructed in 1930. It has 4 floors and 27 units. The building area is 34,200 square feet on a 10,000 sqft lot. The property is zoned R6. The assessed market value is $2.3M. Public records list the property as company-owned. There are 58 building permits on record (33 active). There are 39 violations on record (2 currently open). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

173records on file
78Energy Star

Completed in 1930, 2045 Union St rises 4 stories over Kings. Public records put it at 27 units and 34,200 square feet of floor area, on land zoned R6. It is carried on the public rolls at a market value of $2.3M, and assessed for tax at $1.0M. In the 47 years its record reaches back, the lot has drawn 173 separate government filings.

The documentary life of the address leans hard toward permit: 58 of its 173 records, fully 34%, fall under that one heading. Violation (39) and complaint (23) trail well behind. 2 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 2025.

On the environmental ledger, the building posts an Energy Star score of 78, with a site energy-use intensity of 56.6 kBtu per square foot. Its operations answer for roughly 136 metric tons of CO2-equivalent a year.

Read together — 34% permit, 47 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$2.3M of Kings, written across 173 government filings.

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

Property Details

Address2045 UNION ST, Brooklyn, NY 11212
Building TypeWalk-Up Apartment - Over Six Families Without Stores
C1
Year Built1930
Floors4
Total Units27
Building Area34,200 sqft
Lot Size10,000 sqft
ZoningR6
ConditionAverage
3035100011
3080825
OwnershipCompany-owned

Assessment & Sales

$2.3M
$1M
$113K

Building Permits

58 on record · 33 active
General ConstructionDOB NOW
LOC ISSUED
Filed May 27, 2026Est. cost $40KJob #B00923609-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed May 21, 2026Est. cost $25KJob #B00926260-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed Apr 17, 2026Est. cost $13KJob #B00925845-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed Apr 17, 2026Est. cost $34KJob #B01019590-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed Mar 31, 2026Est. cost $806KJob #B00930810-I1
View this permit's full record & inspection history →

+ 53 more permits — view full report

Violations

39 on record · 2 open
DOB LegacyLBLVIO
DISMISSED
Issued Nov 14, 2025#2807341

VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION

View this violation's full details & status history →
HPDClass B
VIOLATION DISMISSED
Issued Apr 23, 2025#17846031

§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD TILES AT FLOOR IN THE 2nd ROOM FROM EAST LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass B
VIOLATION DISMISSED
Issued Apr 23, 2025#17846032

§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE COUNTER BALANCE AT LOWER SASH 1ST WINDOW FROM EAST IN THE 1st ROOM FROM EAST LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass C
VIOLATION CLOSED
Issued Apr 23, 2025#17846030

§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF HOT WATER EXCEEDS THE MAXIMUM OF 130 DEGREES, FOUND WATER TO BE 137 DEGREES IN THE ENTIRE APARTMENT LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass A
VIOLATION CLOSED
Issued Feb 14, 2025#17694668

§ 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 AT PUBLIC HALL, 1st STORY

View this violation's full details & status history →

+ 34 more violations on record — view full report

Get the Complete Report for 2045 UNION 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 2045 UNION ST, Brooklyn built?

The building at 2045 UNION ST, Brooklyn, NY 11212 was constructed in 1930. It is classified as a walk-up apartment - over six families without stores with 4 floors and 27 units. The building area is 34,200 sqft.

Are there building permits at 2045 UNION ST, Brooklyn?

Yes. 2045 UNION ST, Brooklyn, NY 11212 has 58 building permits on record, with 33 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a General Construction (LOC ISSUED) filed May 27, 2026.

Does 2045 UNION ST, Brooklyn have violations?

Yes. 2045 UNION ST, Brooklyn, NY 11212 has 39 violations on record, with 2 currently open. Breakdown: 11 DOB, 2 ECB, 26 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 2045 UNION ST, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 2045 UNION ST, Brooklyn, NY 11212. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 2045 UNION ST?

2045 UNION ST, Brooklyn, NY 11212 has an assessed market value of $2.3M and a total assessed value of $1M (land: $113K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 2045 UNION ST?

2045 UNION ST, Brooklyn, NY 11212 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 2045 UNION ST?

2045 UNION ST, Brooklyn, NY 11212 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 2045 UNION ST?

Search 2045 UNION 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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2045 UNION ST, Brooklyn, NY 11212 — Property Records, Permits, Violations, Tax & Zoning | RegWatch