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Brooklyn • Condo

939 Union St

Brooklyn, NY 11215BBL 3010641004BIN 3349056
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Updated Aug 1, 2026 · 16 sources

Year Built2003
Floors16
Units22
Building Area35,555 sqft
ZoningR8X
ClassR4
Market Value$756K

939 UNION ST is a property located at 939 UNION ST, Brooklyn, NY 11215. It is classified as a condo - residential unit in converted building. The building was constructed in 2003. It has 16 floors and 22 units. The building area is 35,555 square feet on a 4,500 sqft lot. The property is zoned R8X. The assessed market value is $756K. It last sold for $1.4M on Sep 26, 2019. There are 90 building permits on record (54 active). There are 26 violations on record (2 currently open). 1 docketed judgment carrying $1,000 in open balances is 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

324records on file
88Energy Star

Completed in 2003, 939 Union St rises 16 stories over Kings. Public records put it at 22 units and 35,555 square feet of floor area, on land zoned R8X. It is carried on the public rolls at a market value of $756K, and assessed for tax at $340K. In the 38 years its record reaches back, the lot has drawn 324 separate government filings.

The documentary life of the address leans hard toward permit: 90 of its 324 records, fully 28%, fall under that one heading. Mortgage (51) and inspection (48) trail well behind. 2 violations stand open against it today.

The pace is anything but even. Activity is spread across the decades, with 2004 the busiest year on file.

On the environmental ledger, the building posts an Energy Star score of 88, with a site energy-use intensity of 42.6 kBtu per square foot. Its operations answer for roughly 166 metric tons of CO2-equivalent a year.

Read together — 28% permit, 38 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$756K of Kings, written across 324 government filings.

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

Property Details

Address939 UNION ST, Brooklyn, NY 11215
Building TypeCondo - Residential Unit in Converted Building
R4
Year Built2003
Floors16
Total Units22
Building Area35,555 sqft
Lot Size4,500 sqft
ZoningR8X
ConditionGood
3010641004
3349056

Assessment & Sales

$756K
$340K
$17K
$1.4M
Last Sale DateSep 26, 2019

Building Permits

90 on record · 54 active
Cats RegistrationOther
CURRENT
Filed Dec 24, 2025Job #480881
View this permit's full record & inspection history →
ElectricalDOB NOW
COMPLETE
Filed May 29, 2025Job #B01233036-I1-EL

Replacing kitchen lights, receptacles and switches. 10th Floor

View this permit's full record & inspection history →
Cats RegistrationOther
CURRENT
Filed May 29, 2025Job #463935
View this permit's full record & inspection history →
ElectricalDOB NOW
PERMIT ISSUED
Filed Jul 16, 2024Job #B01081904-I1-EL

Installing receptacles, switches, and light fixtures in apartment 6A kitchen.

View this permit's full record & inspection history →
ElectricalDOB NOW
COMPLETE
Filed May 30, 2022Job #B00747794-I1-EL

General wiring : 9 wall outlets continues from existing outlets and 5 relocate existing switches , at apt, 8-A .

View this permit's full record & inspection history →

+ 85 more permits — view full report

Violations

26 on record · 2 open
Open judgment balance — docketed OATH judgments$1,000
Judgments · 1 docketed
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Jun 8, 2026Balance $1,000Ticket #014230680M
INSPECTION AND TESTING
DOB LegacyEGRADE
ACTIVE
Issued Dec 1, 2023#2744916

FAILURE TO DISPLAY ENERGY EFFICIENCY SCORE AND ENERGY EFFICIENCY GRADE AS PER ADCODE SEC. 28-309.12.3

View this violation's full details & status history →
DOB LegacyEGRADE
ACTIVE
Issued Dec 1, 2021#2560755

FAILURE TO DISPLAY ENERGY EFFICIENCY SCORE AND ENERGY EFFICIENCY GRADE AS PER ADCODE SEC. 28-309.12.3

View this violation's full details & status history →

+ 24 more violations on record — view full report

Get the Complete Report for 939 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 939 UNION ST, Brooklyn built?

The building at 939 UNION ST, Brooklyn, NY 11215 was constructed in 2003. It is classified as a condo - residential unit in converted building with 16 floors and 22 units. The building area is 35,555 sqft.

Are there building permits at 939 UNION ST, Brooklyn?

Yes. 939 UNION ST, Brooklyn, NY 11215 has 90 building permits on record, with 54 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Cats Registration (CURRENT) filed Dec 24, 2025.

Does 939 UNION ST, Brooklyn have violations?

Yes. 939 UNION ST, Brooklyn, NY 11215 has 26 violations on record, with 2 currently open. Breakdown: 16 DOB, 7 ECB, 3 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 939 UNION ST, Brooklyn have docketed judgments?

Yes. 939 UNION ST, Brooklyn, NY 11215 has 1 docketed judgment on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $1,000. 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 939 UNION ST?

939 UNION ST, Brooklyn, NY 11215 has an assessed market value of $756K and a total assessed value of $340K (land: $17K). Assessment data is from the NYC Department of Finance (DOF).

When was 939 UNION ST last sold?

939 UNION ST, Brooklyn, NY 11215 last sold for $1.4M on Sep 26, 2019. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 939 UNION ST?

939 UNION ST, Brooklyn, NY 11215 is zoned R8X. 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.

How do I get a full property report for 939 UNION ST?

Search 939 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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939 UNION ST, Brooklyn, NY 11215 — Property Records, Permits, Violations, Tax & Zoning | RegWatch