Brooklyn • Office

350 Neptune Ave

Brooklyn, NY 11235Company-ownedBBL 3086620097BIN 3424564

Updated Aug 1, 2026 · 16 sources

Year Built2015
Floors6
Units2
Building Area66,869 sqft
ZoningR6
ClassO5
Market Value$11.9M

350 NEPTUNE AVE is a property located at 350 NEPTUNE AVE, Brooklyn, NY 11235. It is classified as a office - non-combustible. The building was constructed in 2015. It has 6 floors and 2 units. The building area is 66,869 square feet on a 19,531 sqft lot. The property is zoned R6. The assessed market value is $11.9M. It last sold for $1.9M on Dec 6, 2012. Public records list the property as company-owned. There are 98 building permits on record (57 active). There are 55 violations on record (3 currently open). 16 docketed judgments carrying $300 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

305records on file
81Energy Star

Completed in 2015, 350 Neptune Ave rises 6 stories over Kings. Public records put it at 2 units and 66,869 square feet of floor area, on land zoned R6. It is carried on the public rolls at a market value of $11.9M, and assessed for tax at $5.4M. In the 57 years its record reaches back, the lot has drawn 305 separate government filings.

The documentary life of the address leans hard toward permit: 98 of its 305 records, fully 32%, fall under that one heading. Enforcement (71) and violation (55) trail well behind. 3 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 2015.

On the environmental ledger, the building posts an Energy Star score of 81, with a site energy-use intensity of 33.9 kBtu per square foot. Its operations answer for roughly 261 metric tons of CO2-equivalent a year.

Read together — 32% permit, 57 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$11.9M of Kings, written across 305 government filings.

Property Details

Address350 NEPTUNE AVE, Brooklyn, NY 11235
Building TypeOffice - Non-Combustible
O5
Year Built2015
Floors6
Total Units2
Building Area66,869 sqft
Lot Size19,531 sqft
ZoningR6
3086620097
3424564
OwnershipCompany-owned

Assessment & Sales

$11.9M
$5.4M
$835K
$1.9M
Last Sale DateDec 6, 2012

Building Permits

98 on record · 57 active
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Aug 5, 2022Est. cost $32KJob #B00483477-I1
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Aug 6, 2021Est. cost $131KJob #340806836-01
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Jul 8, 2021Est. cost $38KJob #B00497679-I1
General ConstructionDOB NOW
APPROVED
Filed Jul 2, 2021Est. cost $32KJob #B00483477-P1
Mechanical SystemsDOB NOW
SIGNED-OFF
Filed Jun 30, 2021Est. cost $38KJob #B00497679-I1

+ 93 more permitsview full report

Violations

55 on record · 3 open
Open judgment balance — docketed OATH judgments$300
Judgments · 16 docketed
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Feb 28, 2025Ticket #014145712L
RECORDKEEPING
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Jul 31, 2021Ticket #0213648600
FAILURE TO TAKE REASONABLE PRECAUTIONS TO PROTECT HEALTH AND SAFETY
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2020Balance $300Ticket #0210989938
IMPROPER RECEPTACLES 1ST OFFENSE
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2018Ticket #012068288M
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Jun 30, 2017Ticket #011594388N
AFFIDAVITS, DESIGN INSTALLATION DOCUMENTS, AND OTHER DOCUMENTATION

+ 11 more docketed judgmentsview full report

DOB LegacyEGRADE
ACTIVE
Issued Dec 1, 2022#2605799

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 LegacyEnergy Benchmarking
ACTIVE
Issued Jun 2, 2022#2586118

FAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4

View this violation's full details & status history →
DOB LegacyEGRADE
ACTIVE
Issued Dec 1, 2021#2561499

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 →

+ 52 more violations on record — view full report

Get the Complete Report for 350 NEPTUNE 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 350 NEPTUNE AVE, Brooklyn built?

The building at 350 NEPTUNE AVE, Brooklyn, NY 11235 was constructed in 2015. It is classified as a office - non-combustible with 6 floors and 2 units. The building area is 66,869 sqft.

Are there building permits at 350 NEPTUNE AVE, Brooklyn?

Yes. 350 NEPTUNE AVE, Brooklyn, NY 11235 has 98 building permits on record, with 57 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 (PERMIT ENTIRE) filed Aug 5, 2022.

Does 350 NEPTUNE AVE, Brooklyn have violations?

Yes. 350 NEPTUNE AVE, Brooklyn, NY 11235 has 55 violations on record, with 3 currently open. Breakdown: 24 DOB, 31 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 350 NEPTUNE AVE, Brooklyn have docketed judgments?

Yes. 350 NEPTUNE AVE, Brooklyn, NY 11235 has 16 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $300. 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 350 NEPTUNE AVE?

350 NEPTUNE AVE, Brooklyn, NY 11235 has an assessed market value of $11.9M and a total assessed value of $5.4M (land: $835K). Assessment data is from the NYC Department of Finance (DOF).

When was 350 NEPTUNE AVE last sold?

350 NEPTUNE AVE, Brooklyn, NY 11235 last sold for $1.9M on Dec 6, 2012. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 350 NEPTUNE AVE?

350 NEPTUNE AVE, Brooklyn, NY 11235 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 350 NEPTUNE AVE?

350 NEPTUNE AVE, Brooklyn, NY 11235 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 350 NEPTUNE AVE?

Search 350 NEPTUNE 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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350 NEPTUNE AVE, Brooklyn, NY 11235 — Property Records, Permits, Violations, Tax & Zoning | RegWatch