437 1st Street

437 1st Street

Park Slope·Brooklyn
🔴2 Pest Alerts
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
Valueneeds listing data
Violations0 critical
BuildingWalk-up

Data as of Jul 1, 2026

Building Quality
How is this calculated?
0.4/ 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 1920
  • 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
Neighbourhood mapOpen in Google Maps

About this building

A 4-story building located in Park Slope, containing 16 residential units. Built in 1920.

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

4

Active Violations

Open HPD violations on record for this building.

Top issues

  • Pests2
  • Safety2

Severity Key

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

    B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2C, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTH

    Jan 9, 2026Class B
  • Safety

    B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2C, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTH

    Jan 9, 2026Class B
  • Pests

    M/D LAW FILE PLANS AND APPLICATION AND LEGALIZE THE FOLLOWING ALTERATION OR RESTORE TO THE LEGAL CONDITION EXISTING PRIOR TO THE MAKING OF SAID ALTERATION WINDOW REMOVED DOOR INSTALLED WOOD STAIRS ERECTED FROM 1 STY EAST APT TO REAR YARD.

    Apr 17, 2024Class A
  • Pests

    M/D LAW FILE PLANS AND APPLICATION AND LEGALIZE THE FOLLOWING ALTERATION OR RESTORE TO THE LEGAL CONDITION EXISTING PRIOR TO THE MAKING OF SAID ALTERATION WINDOW REMOVED DOOR INSTALLED WOOD STAIRS ERECTED FROM 1 STY WEST AT REAR YARD.

    Apr 17, 2024Class A

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 TypeThis BldgArea AvgDiff.
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

437 FIRST STREET LLC

Responsiveness Score

57days

Average time to resolve violations

Similar to 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 4 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 57 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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