How well maintained is this building?

There are 18 open HPD violations on record, including 6 Class C (the city's most serious category).

Is this building rent-stabilized?

Yes — this building appears on the DHCR rent-stabilized building list. Ask the landlord to confirm whether a specific apartment is stabilized.

How noisy is this building?

Neighbors filed 3 noise complaints with 311 in the past year, above the neighborhood median of 1 among buildings with any noise complaints.

How responsive is management to problems?

Resolved violations at this building closed in about 185 days on average (NYC average is roughly 45 days). Open items are listed in the Safety & Violations section above.

What does it cost to live here?

We don't have current listings for this building. Typical asking rent in Borough Park is about $3,088/month for a one-bedroom.

850 40th Street

Borough Park·Brooklyn

🔴1 Pest Alert

⚪Pre-War

Scroll for details

Violation & building data

Violation data updated Jul 1

Sources: NYC Department of Buildings, NYC Housing Preservation & Development +1 more

Building overview

Area Avg$3,0881-bed neighbourhood

Value—needs listing data

Violations6 critical

BuildingWalk-up

Data as of Jul 1, 2026

Building Quality

How is this calculated?

0.0/ 10Significant Issues

Based on open violations, 311 complaint patterns, and amenities.

Unit Value

How is this calculated?

Limited data — verify with a tour.

Compared to typical rent for this neighborhood and bedroom count.

Highlights

What's great about this place

Pre-war character
Built in 1932

Things to Know

Real considerations before you sign

Open critical violations
6 Class C (immediately hazardous)
Top complaint type at this building
3 noise complaints in past year
Higher noise than typical for the neighborhood
3 noise complaints in past year (vs 1 median)

How we pick these

Neighbourhood mapOpen in Google Maps

About this building

A 4-story building located in Sunset Park (East)-Borough Park (West), containing 36 residential units. Built in 1932.

Neighborhood

Borough Park →

The neighborhood: Borough Park

Brooklyn · 18,994 buildings tracked

Median asking rent: $3,088 1BR · $3,233 2BR

6thAvBeachCulverEndSeaWest

9 subway stations nearby

5 parks · 0.8 acres · incl. Brizzi Playground

Full Borough Park guide

Available Units

0 active

No past listings.

Past and off-market units will appear here when data is available.

Safety & Violations

Safety Record

Active Violations

Open HPD violations on record for this building.

Top issues

Safety7
Water/Plumbing5
Structural2

Severity Key

Class C: Immediately Hazardous (Major)
Class B: Hazardous (Moderate)
Class A: Non-Hazardous (Minor)

Show Critical Only (Class C)

Safety
C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT FIRE DOOR LEADING TO WEST COURT YARD AT PUBLIC HALL, 1st STORY
Nov 18, 2024Class C
Safety
C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGE IN THE ENTRANCE LOCATED AT APT C5, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION AT EAST
Nov 12, 2024Class C
Safety
C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE APARTMENT ENTRANCE DOOR IN THE ENTRANCE LOCATED AT APT B5, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION AT SOUTH
Jun 20, 2023Class C
Heat/Hot Water
POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM 1 STY PUBLIC HALL & ON BOILER ROOM DOOR.
Aug 7, 2008Class C
Heat/Hot Water
POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM AT BOILER ROOM DOOR AND AT PUBLIC HALL, 1st STORY
Jun 18, 2007Class C

Market Value Estimate

Statistical estimate based on publicly available listing data. Not an appraisal. See disclaimer.Market data as of Jul 1, 2026.

Comp Matrix

Unit Type	This Bldg	Area Avg	Diff.
1 Bed	—	$3,088	—
2 Bed	—	$3,232.5	—

Value Verdict

Insufficient listing or market data to compute a verdict for this building.

Rent vs. Buy Analysis

No listing data available to estimate rent vs. buy.

Management & Operations

Management & Performance

Owner/Operator

850-60 40 ST HSG DVLFUN

Responsiveness Score

185days

Average time to resolve violations

Slower than NYC average (45 days)

We haven't verified this building's policies yet. Pet, utility, and leasing details appear here once we've reviewed the management company's official site — we only show policies we can source, never assumptions.

Living here — quick answers

Every answer comes from public records for this specific building — we skip questions we can't answer with data.

How well maintained is this building?: There are 18 open HPD violations on record, including 6 Class C (the city's most serious category).
Is this building rent-stabilized?: Yes — this building appears on the DHCR rent-stabilized building list. Ask the landlord to confirm whether a specific apartment is stabilized.
How noisy is this building?: Neighbors filed 3 noise complaints with 311 in the past year, above the neighborhood median of 1 among buildings with any noise complaints.
How responsive is management to problems?: Resolved violations at this building closed in about 185 days on average (NYC average is roughly 45 days). Open items are listed in the Safety & Violations section above.
What does it cost to live here?: We don't have current listings for this building. Typical asking rent in Borough Park is about $3,088/month for a one-bedroom.

Similar buildings in Borough Park