687 Saint Mark's Avenue
Class B
Class C
12 months to Aug 2026
rent-stabilized with
DHCR (most recent year)
units (PLUTO)
12 months through June 2026
rent
min walk
(311 complaints)
errands grade
nearby
Top insights
- More open HPD violations than ~64% of buildings in this ZIP (16 open)
- 8 open hazardous (Class C) violations
- Built before 1939 (city records: 1931) — likely subject to NYC lead-paint rules
About this building
The building’s floor space is 2.1 times the size of its lot: 3,920 sq ft of building on a 1,900 sq ft lot.
Comparisons with neighboring buildings, as of October 28, 2026.
A difference between the DHCR rent-stabilized count and the PLUTO total is common and does not, on its own, indicate a violation: units can leave rent stabilization legally, the two datasets count units differently, some units may be non-residential, and a registration can be filed incompletely. To check your own apartment, see how to request your rent history from DHCR.
687 Saint Mark's Avenue
Open in Google Street View ↗
- City records show 16 open HPD violations, 8 immediately hazardous (Class C) under 687 St Marks Avenue — the address HPD files this building’s records under, not the address on this page. Ask which are still unresolved in the unit and the landlord’s timeline to clear them.
- The oldest open violation on record dates to 2007 — why has it stayed open this long, and is it in or near this unit?
- DHCR’s most recent registration lists no rent-stabilized units in this building. If anyone tells you this unit is stabilized, ask to see the registration — and if it was deregulated, ask on what grounds and in what year.
- Confirm the condition behind the most recent open violation was actually repaired, not just marked closed: Remove the illegal fastening double cylinder key operated lock at building front entrance gate.
- Confirm in person that the immediately-hazardous (Class C) conditions — typically heat, hot water, leaks, mold or pests — are genuinely fixed, not just marked closed.
687 St Mark's Avenue sits in Brooklyn, ZIP 11216. The closest subway is Nostrand Av (A,C) (7-minute walk), served by the 3, A, C, and S lines.
Building Condition
Oldest open violation: September 2007 · Most recent: May 2026. HPD marks a violation open until it is certified as corrected, so an old date can mean an unresolved condition or a repair that was never certified.
- 2026-05-06
- 2025-06-11
- 2024-04-11
- 2023-03-27
- 2022-03-02
- Class C · 8 open · penalty 120 · (15/ea)
- Class B · 2 open · penalty 10 · (5/ea)
- Class A · 6 open · penalty 6 · (1/ea)
- 2025-09-26
- 2025-09-26
- 2023-06-30 "VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION"
- 2023-06-30 "VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION"
- 2023-06-20 "VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION"
2 open lead-paint hazard violations on record (most recent 2013). These are HPD violations recorded against the building — not a test of any specific apartment.
Under NYC Local Law 1 (Admin Code §27-2056.5), lead paint is presumed present in common areas and in apartments where a child under 6 resides, in multiple dwellings built before 1960 (this building: built 1931). The presumption stands unless the owner obtained a lead-free or lead-safe exemption from HPD. Those exemption records aren’t published as open data, so we can’t confirm one either way.
The Building
Neighborhood & Environment
~1 block 300m
~2-3 blocks
- HARRASSMENT 2: 72
- PETIT LARCENY: 51
- ASSAULT 3 & RELATED OFFENSES: 39
- GRAND LARCENY: 31
- FELONY ASSAULT: 27
- HEAT/HOT WATER: 429
- Noise - Residential: 176
- UNSANITARY CONDITION: 154
- Noise - Street/Sidewalk: 151
- Noise - Commercial: 100
- 688 NOSTRAND AVENUE
- 669 NOSTRAND AVE
- 624 NOSTRAND AVE
- P.S. 138 Brooklyn
- P.S. 093 William H. Prescott
- P.S. 289 George V. Brower
- P.S. 138 Brooklyn
- Satellite East Middle School
- P.S. K140
- J.H.S. 258 David Ruggles
- W.E.B. Dubois Academic High School
- Academy of Business and Community Development
- Nostrand Av
- Nostrand Av
- Park Pl
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Crown Heights Youth Collective
- The Dr. Jean Pierre-Louis School Of Excellence
- P.s. 093 William H. Prescott
- Success Academy Charter School - Prospect Heights
- Restoration Academy
- Crown Heights North Association Inc.
Internet providers serving this area
Internet providers available in this area — including fiber:
- Optimum Cable Fiber Up to 8,000 Mbps down · 8,000 Mbps up
- Verizon Fiber Up to 2,300 Mbps down · 2,300 Mbps up
How to check internet providers before signing an NYC lease →
Source: FCC Broadband Data Collection (NY, rev. May 2026). Wired broadband only — cable + fiber. DSL, satellite, and fixed-wireless not included. Block-level data; actual availability may vary by building.
Market & Availability
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