657 East 21st Street
Top insights
- 10 open hazardous (Class C) violations
- Built before 1939 (city records: 1931) — likely subject to NYC lead-paint rules
- Rent-stabilized: 18 of 20 units
About this building
The building’s floor space is 3.2 times the size of its lot: 19,000 sq ft of building on a 6,000 sq ft lot.
Comparisons with neighboring buildings, as of October 13, 2026.
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
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.
657 East 21st Street
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- City records show 18 open HPD violations, 10 immediately hazardous (Class C) at this building. Ask which are still unresolved in the unit and the landlord’s timeline to clear them.
- The oldest open violation on record dates to 2016 — why has it stayed open this long, and is it in or near this unit?
- DHCR’s most recent registration lists 18 rent-stabilized units here. Ask whether this specific unit is one of them, and ask the landlord for its legal regulated rent and lease history.
- Confirm the condition behind the most recent open violation was actually repaired, not just marked closed: Adm code - correct the lead-based paint hazard - paint that tested positive for lead….
- 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.
657 East 21st Street sits in Brooklyn, ZIP 11226. The closest subway is Newkirk Plaza (B,Q) (7-minute walk), served by the B and Q lines.
Building Condition
Oldest open violation: May 2016 · Most recent: February 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.
- 2026-02-26 "§ 27-2005 ADM CODE PROPERLY SECURE THE LOOSE 12TH MARBLE TREAD FROM BOTTOM AT PUBLIC HALL STAIRS, 1st STORY"
- 2024-09-28 "§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE REGLAZE THE PORCELAIN PAINT AT, BATHTUB…"
- 2024-09-28 "§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF KEY OPERATED LOCK AT DOOR TO ROOM WITH WINDOW FOR 2ND…"
- 2024-07-05 "§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE WINDOW GLASS PANE AT LOWER SASH AT WEST 2 IN THE 1st R…"
- 2022-05-07 "§ 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEE…"
- 2022-04-27
- 2022-03-29
- Class C · 10 open · penalty 150 · (15/ea)
- Class B · 8 open · penalty 40 · (5/ea)
- 2026-05-04 · Apt B2 · EMERGENCY · HEAT/HOT WATER
- 2026-03-28 · Apt BLDG · EMERGENCY · HEAT/HOT WATER
- 2026-03-24 · Apt B2 · EMERGENCY · HEAT/HOT WATER
- 2023-06-30 "VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION"
- 2023-06-20 "VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION"
- 2019-11-08 "VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT"
6 open lead-paint hazard violations on record (most recent 2022). These are HPD violations recorded against the building — not a test of any specific apartment.
50 earlier hazards cited and remediated.
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.
Also on record: 6 procedural §27-2056 violations (failure to file required lead paperwork, most recent 2022) — a records failure, not evidence of a lead hazard.
The Building
Neighborhood & Environment
~1 block 300m
~2-3 blocks
- HARRASSMENT 2: 60
- VEHICLE AND TRAFFIC LAWS: 33
- ASSAULT 3 & RELATED OFFENSES: 30
- PETIT LARCENY: 27
- MISCELLANEOUS PENAL LAW: 24
- HEAT/HOT WATER: 585
- Illegal Parking: 272
- UNSANITARY CONDITION: 151
- PAINT/PLASTER: 107
- Noise - Residential: 102
- 663 E 21ST ST
- 589 E 22ND ST
- 597 EAST 22 STREET
- School of Science & Technology
- P.S. K315
- Central Brooklyn Ascend Charter School
- Midwood High School
- Newkirk Plaza
- Cortelyou Rd
- Newkirk Av-Little Haiti
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Caribbeing
- New Generation Elementary School
- Cortelyou Early Childhood Center
- Sweet Serenity Success, Inc.
Internet providers serving this area
Internet providers available in this area — including fiber:
- Verizon Fiber Up to 980 Mbps down · 880 Mbps up
- Optimum Cable Up to 940 Mbps down · 35 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.
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