862 Union Street

862 Union Street

Park Slope·Brooklyn
Pre-War
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Violation & building data
Violation data updated 14 hours ago
Sources: NYC Department of Buildings, NYC Housing Preservation & Development +1 more

Building overview

Area Avg$3,9951-bed neighbourhood
Valueneeds listing data
Violations3 critical
BuildingElevator

Data as of Sep 1, 2026

Building Quality
How is this calculated?
0.2/ 10Significant Issues

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

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 1923

Things to Know

Real considerations before you sign

  • Open critical violations
    3 Class C (immediately hazardous)
  • Top complaint type at this building
    10 heat complaints in past year
  • Higher noise than typical for the neighborhood
    3 noise complaints in past year (vs 1 median)
Neighbourhood mapOpen in Google Maps

About this building

A 6-story building located in Park Slope, containing 49 residential units. Built in 1923.

Neighborhood

Park Slope

The neighborhood: Park Slope

Brooklyn · 3,806 buildings tracked

Median asking rent: $3,995 1BR · $5,863 2BR

4thAvBrightonBroadway

4 subway stations nearby

1 park · 0.2 acres · incl. Gardens Of Union

Full Park Slope guide

Available Units

0 active

No past listings.

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

Safety & Violations

Safety Record

6

Active Violations

Open HPD violations on record for this building.

Top issues

  • Safety3
  • Mold2
  • Structural1

Severity Key

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

    THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 2, WG TO REPLACE = 0, WG TO REPAIR = 3 IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH

    Jul 28, 2026Class C
  • Safety

    OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT LOWER SASH FIRE ESCAPE WINDOW IN THE 3rd ROOM FROM EAST AT SOUTH LOCATED AT APT 2F, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH , SECTION ''SOUTH''

    Jan 9, 2026Class C
  • Safety

    THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 7, WG TO REPLACE = 0, WG TO REPAIR = 0 IN THE ENTIRE APARTMENT LOCATED AT APT 2F, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH , SECTION ''SOUTH''

    Jan 8, 2026Class C
  • Mold

    CLEANSE TO THE SATISFACTION OF THIS DEPARTMENT THE VISIBLE MOLD AT CAULKING AND GROUT JOINTS OF THE CERAMIC TILES AT EAST, SOUTH, WEST WALLS AND NORTH THRESHOLD, AROUND SHOWER STALL, IN THE 1st BATHROOM FROM EAST LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH

    Jul 28, 2026Class A
  • Mold

    CLEANSE TO THE SATISFACTION OF THIS DEPARTMENT THE VISIBLE MOLD AT CAULKING AND GROUT JOINTS OF THE CERAMIC TILES AT NORTH, EAST AND SOUTH WALLS AROUND SHOWER STALL, IN THE 2nd BATHROOM FROM EAST LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH

    Jul 28, 2026Class A

Market Value Estimate

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

Comp Matrix

Unit TypeThis BldgArea AvgDiff.
Studio$3,360.25
1 Bed$3,995
2 Bed$5,862.5
3+ Bed$7,997.5

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

862 UNION OWNER LLC

Responsiveness Score

86days

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 6 open HPD violations on record, including 3 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 86 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 Park Slope is about $3,995/month for a one-bedroom.

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