How well maintained is this building?

There are 13 open HPD violations on record, none in the city's most serious category (Class C).

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 0 noise complaints with 311 in the past year — none on record for this building.

How responsive is management to problems?

Resolved violations at this building closed in about 493 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 $4,048/month for a one-bedroom.

888 Union Street

Park Slope·Brooklyn

⚪Pre-War

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Violation & building data

Violation data updated Jul 1

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

Building overview

Area Avg$4,047.51-bed neighbourhood

Value—needs listing data

Violations0 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 1922
Quieter than average for the neighborhood
0 noise complaints in past year (vs 1 median)

Things to Know

Real considerations before you sign

Significant issues across building data
See violation history below for details

How we pick these

Neighbourhood mapOpen in Google Maps

About this building

A 4-story building located in Park Slope, containing 16 residential units. Built in 1922.

Neighborhood

Park Slope →

The neighborhood: Park Slope

Brooklyn · 3,806 buildings tracked

Median asking rent: $4,048 1BR · $6,800 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

Active Violations

Open HPD violations on record for this building.

Top issues

Window/Door8
Water/Plumbing3
Mold1

Severity Key

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

Show Critical Only (Class C)

Window/Door
OR REPLACE THE BROKEN OR DEFECTIVE GLASS PANEL AT LOWER SASH WINDOW AT NORTH WALL IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT A1, 1st STORY, 1st APARTMENT FROM NORTH AT EAST
May 19, 2025Class B
Window/Door
OR REPLACE THE BROKEN OR DEFECTIVE GLASS PANEL AT LOWER SASH AT 2ND WINDOW FROM WEST AT NORTH IN THE 1st ROOM FROM NORTH AT EAST LOCATED AT APT A1, 1st STORY, 1st APARTMENT FROM NORTH AT EAST
May 19, 2025Class B
Window/Door
OR REPLACE THE BROKEN OR DEFECTIVE GLASS PANEL AT LOWER SASH WINDOW AT EAST WALL IN THE 2nd ROOM FROM NORTH AT WEST LOCATED AT APT A1, 1st STORY, 1st APARTMENT FROM NORTH AT EAST
May 19, 2025Class B
Mold
THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT THE WEST WALL AT THE SOUTHEAST SECTION, APPX 7 SQ FT AT CELLAR ORIGINAL VIOLATION 15938950 ISSUED 24-APR-23 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b).
Aug 24, 2023Class B
Window/Door
THE BROKEN OR DEFECTIVE GLASS PANE AT LOWER SASH WINDOW (TOTAL 1 LITE) IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT A1, 1st STORY, 1st APARTMENT FROM NORTH AT EAST
Sep 17, 2018Class B

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.
Studio	—	$3,095	—
1 Bed	—	$4,047.5	—
2 Bed	—	$6,800	—
3+ Bed	—	$6,574.5	—

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

888 UNION STREET LLC

Responsiveness Score

493days

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 13 open HPD violations on record, none in the city's most serious category (Class C).
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 0 noise complaints with 311 in the past year — none on record for this building.
How responsive is management to problems?: Resolved violations at this building closed in about 493 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 $4,048/month for a one-bedroom.

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