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521 Isham Street

Manhattan, NY 10034BBL 1-02228-0045Map

Owner of record: Isham 521 LLC

521 Isham Street is a walk-up apartment building built in 1930 in Manhattan, 10034. It has 60 residential units across 6 floors. The owner of record is Isham 521 LLC. HPD has recorded 228 housing violations here, most recently on July 30, 2026. 11 of the 50 most recent violations are still open. City tax records listed 60 rent-stabilized apartments here in 2024.

HPD violations
228
DOB violations
9
ECB violations
23
HPD complaints
431

What to know

Concern
5 open Class C

Immediately hazardous issues among recent violations are still open.

Watch
Last violation Jul 30, 2026

Date of the most recent HPD inspection that found a problem.

Good
No unpaid ECB fines

No balance due on recent ECB violations.

Rent stabilization

Rent-stabilized units in 2024
60
About 100% of the building's 60 apartments

Counts come from owners' rent-stabilization filings shown on NYC Department of Finance tax bills, as extracted by JustFix. They tell you a building has stabilized apartments, not which ones.

Stabilized units by tax-bill year

Think your apartment is stabilized? Request its rent history from HCR (free), then check your renewal with the renewal calculator.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 228

  • A

    Paint with light colored paint to the satisfaction of this department at north wall in the bathroom located at apt 3b, 3rd story, 1st apartment from north at east , section at south

    Jul 30, 2026 · Apt 3B

    Open — Nov sent out
  • B

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules missing in the entire apartment located at apt 4g, 4th story, 1st apartment from south at west , section at north

    Jul 30, 2026 · Apt 4G

    Open — Nov sent out
  • B

    Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations missing in the entire apartment located at apt 4g, 4th story, 1st apartment from south at west , section at north

    Jul 30, 2026 · Apt 4G

    Open — Nov sent out
  • A

    Trace and repair the source and abate the visible mold condition... less than 10 square feet at north wall in the bathroom located at apt 3b, 3rd story, 1st apartment from north at east , section at south

    Jul 30, 2026 · Apt 3B

    Open — Notice of issuance sent to tenant
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 3b, 3rd story, 1st apartment from north at east , section at south

    Jul 30, 2026 · Apt 3B

    Open — Nov sent out
  • C

    Remove device preventing door from being self-closing sweeper at door in the entrance located at apt 1g, 1st story, 1st apartment from east at south

    Jul 23, 2026 · Apt 1G

    Closed — Violation closed
  • A

    Paint metal in accordance with dept. regulation heat riser pipe in the bathroom located at apt 3j, 3rd story, 1st apartment from west at north

    Jul 23, 2026 · Apt 3J

    Open — Nov sent out
  • C

    Trace and repair the source and abate the visible mold condition... greater than 30 sqft at ceiling, north, west and south walls in the bathroom located at apt 3j, 3rd story, 1st apartment from west at north

    Jul 23, 2026 · Apt 3J

    Open — Notice of issuance sent to tenant
  • A

    Paint metal in accordance with dept. regulation heat riser pipe in the 4th room from north located at apt 3j, 3rd story, 1st apartment from west at north

    Jul 23, 2026 · Apt 3J

    Open — Nov sent out
  • B

    Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt 4g, 5th story, 1st apartment from south at west , section ''north''

    May 10, 2026 · Apt 4G

    Closed — Violation closed
Show 40 more ↓
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color ceiling in the bathroom located at apt 4g, 5th story, 1st apartment from south at west , section ''north''

    May 10, 2026 · Apt 4G

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color all walls and ceiling in the 4th room from east located at apt 4g, 5th story, 1st apartment from south at west , section ''north''

    May 10, 2026 · Apt 4G

    Closed — Violation closed
  • B

    Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt 2b, 2nd story, 1st apartment from west at north

    Apr 21, 2026 · Apt 2B

    Closed — Violation dismissed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the bathroom located at apt 2b, 2nd story, 1st apartment from west at north

    Apr 21, 2026 · Apt 2B

    Closed — Violation dismissed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at all walls in the bathroom located at apt 2b, 2nd story, 1st apartment from west at north

    Apr 21, 2026 · Apt 2B

    Closed — Violation dismissed
  • B

    Properly repair or replace the broken or defective grout at bathtub area at west wall in the bathroom located at apt 2b, 2nd story, 1st apartment from west at north

    Apr 21, 2026 · Apt 2B

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective silicone caulking at bathtub area in the bathroom located at apt 2b, 2nd story, 1st apartment from west at north

    Apr 21, 2026 · Apt 2B

    Closed — Violation dismissed
  • B

    Replace the broken or defective water closet in the bathroom located at apt 2b, 2nd story, 1st apartment from west at north

    Apr 21, 2026 · Apt 2B

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective wood floor in the bathroom located at apt 2b, 2nd story, 1st apartment from west at north

    Apr 21, 2026 · Apt 2B

    Closed — Violation dismissed
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 3h, 4th story, 1st apartment from west at north

    Mar 22, 2026 · Apt 3H

    Closed — Violation closed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 3b, 3rd story, 1st apartment from north at east

    Nov 14, 2025 · Apt 3B

    Open — Not complied with
  • C

    Properly repair or replace the broken or defective glass at lower window sash at south wall. in the 3rd room from north located at apt 3b, 3rd story, 1st apartment from north at east

    Nov 14, 2025 · Apt 3B

    Open — Not complied with
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color south wall. in the 3rd room from north located at apt 3b, 3rd story, 1st apartment from north at east

    Nov 14, 2025 · Apt 3B

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective wood floor in the 3rd room from north located at apt 3b, 3rd story, 1st apartment from north at east

    Nov 14, 2025 · Apt 3B

    Closed — Violation dismissed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color ceiling in the 1st room from north located at apt 3b, 3rd story, 1st apartment from north at east

    Nov 14, 2025 · Apt 3B

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department east and south walls in the kitchen located at apt 3b, 3rd story, 1st apartment from north at east

    Nov 14, 2025 · Apt 3B

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department ceiling and all walls. in the foyer located at apt 3b, 3rd story, 1st apartment from north at east

    Nov 14, 2025 · Apt 3B

    Closed — Violation dismissed
  • B

    Refit the door in the entrance located at apt 3b, 3rd story, 1st apartment from north at east

    Nov 14, 2025 · Apt 3B

    Closed — Violation dismissed
  • C

    Properly repair or replace the broken or defective upper window sash glass at east wall. in the 1st room from north located at apt 3b, 3rd story, 1st apartment from north at east

    Nov 14, 2025 · Apt 3B

    Open — Not complied with
  • B

    Properly repair with similar material the broken or defective caulking around the bathtub. in the bathroom located at apt 3b, 3rd story, 1st apartment from north at east

    Nov 14, 2025 · Apt 3B

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective wood floor in the 1st room from north located at apt 3b, 3rd story, 1st apartment from north at east

    Nov 14, 2025 · Apt 3B

    Closed — Violation dismissed
  • A

    Properly repair with similar material the broken or defective wood floor in the 1st room from east at north located at apt 3b, 4th story, 1st apartment from north at east

    Nov 14, 2025 · Apt 3B

    Closed — Violation dismissed
  • C

    Properly repair or replace the broken or defective glass pane at lower window sash 1st window at east in the 1st room from east located at apt 3b, 3rd story, 1st apartment from west at north

    Nov 12, 2025 · Apt 3B

    Closed — Violation closed
  • B

    Refit .door in the entrance located at apt 3b, 3rd story, 1st apartment from west at north

    Nov 12, 2025 · Apt 3B

    Closed — Violation dismissed
  • C

    Properly repair or replace the broken or defective glass pane at upper sash west1 window in the 4th room from east located at apt 3b, 3rd story, 1st apartment from west at north

    Nov 12, 2025 · Apt 3B

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at south wall in the kitchen located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the foyer , the private hallway located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed
  • C

    Correct the lead-based paint hazard-paint that is xrf tested inconclusive for lead content at 0.5mg/cm2 and is presumed lead paint as set forth in (28 rcny §11-07(b)) and that is peeling or on a deteriorated subsurface-using work practices set forth in 28 rcny §11-06(b)(2) south wall, west wall in the 2nd room from north located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st door from west at north wall, 1st door frame from west at north wall in the 4th room from north located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st dumb waiter from west at north wall in the kitchen located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed
  • C

    Fire escape defective. replace with new the broken, defective and/or missing gusset plate at 4th sty balcony at west yard at fire escape

    Oct 27, 2025

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department at 2nd window frame from south at west wall in the 4th room from north located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective spring balance at lower window sash in the kitchen located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling, west wall in the bathroom located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) north wall in the 2nd room from north located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed
  • B

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules inoperable in the entire apartment located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed
  • B

    Repair the leaky and/or defective faucets at bathtub in the bathroom located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed
  • B

    Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations inoperable in the entire apartment located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st door from north at east wall, 1st door frame from north at east wall in the bathroom located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed
  • A

    Trace and repair the source and abate the visible mold condition... less than 10 sq ft at ceiling and west wall in the bathroom located at apt 3j, 4th story, 1st apartment from west at north

    Oct 27, 2025 · Apt 3J

    Closed — Violation closed

DOB building violations · 9

  • Construction other optional

    The borough commissioner has issued a stop work order for application #121290511 due to revocation of approval and permit unable to determine percentage of work completed due to groung floor commercial space being closed remedy: provide all required paperwork to boro. comm. office immediatl

    Mar 4, 2021

    Dob violation - active
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Jun 26, 2019

    Dob violation - dismissed
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Jan 23, 2019

    Dob violation - dismissed
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Jan 9, 2019

    Dob violation - dismissed
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Jun 1, 2016

    Dob violation - active
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Jun 1, 2016

    Dob violation - active
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Dec 4, 2013

    Dob violation - resolved
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2011 inspection report

    Mar 1, 2013

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 18, 1993

    Dob violation - dismissed

ECB violations · 23

  • Class - 1

    Failure to perform safe/proper inspection of suspended scaffold. note:at time of inspection of alt-3 facade job in progress observed suspended scaffold in place & in use at exp#1 w/the following objections the

    May 30, 2019 · Penalty $1,250

    Resolve
  • Class - 1

    Sec. 3301.1.3 partial stop work order for suspended scaffold issued pursuant to 28-207.2 & posted at premises failure to comply w/manufacture specs on platforms & c hooks. note: at time of inspection on a alt-3

    May 30, 2019 · Penalty $625

    Resolve
  • Class - 1

    Failure to protect lifelines from sharp edges & abrasion causing a hazardous condition for workers on suspended scaffolds. note: at time of inspection i observed at a 6 sty bldg alt-3 work in progress i observe

    May 30, 2019 · Penalty $625

    Resolve
  • Class - 1

    Sec. 3314.15.2 partial stop work order for suspended scaffold issued pursuant to 28-207.2 to all facade work-exterior work. note: at time ofinspection i observed suspended scaffold in place & in use at exp#1 th

    May 30, 2019 · Penalty $625

    Resolve
  • Class - 1

    Work does not conform to document & or amendments(cd5). note: at time of inspection on a 6 sty alt-3 work in progress. suspended scaffold in connection w/c-hooks in place w/the following objections-1)tie backs,

    May 30, 2019 · Penalty $625

    Resolve
  • Class - 2

    Partial stop work order for using sidewalk shed roof as a working platform. issued pursuant to 28-207.2 & posted at premises,failure to safeguard all persons & property affected by construction operation. note

    May 30, 2019 · Penalty $625

    Resolve
  • Class - 2

    Dot permits(material storage in the street). note: at time of inspection on an active job site,i observed a container on the street full of debris upon request to the forman for dot permit,he provide an expired

    May 30, 2019 · Penalty $312

    Resolve
  • Class - 2

    Failure to safeguard all persons & property affected by construction operations. at time of my inspection on active jobsite 6 sty bldg observe workers working at leading edge of suspended scaffold on to firesca

    May 30, 2019 · Penalty $625

    Resolve
  • Class - 1

    Sec. 3314.10.10 support devices failure to provide support for c hooks rope in place. note: at time of inspection i observed c hooks rope in place w/no bearing blocks in place which shall be in place to secure

    May 30, 2019 · Penalty $625

    Resolve
  • Class - 1

    Sec. 3314.4.5.4 training/or suspended scaffold individual who repair maintain installed remove suspended scaffold shall at least completed a dob approved course that is at least 16hrs long. note: at time of ins

    May 30, 2019 · Penalty $625

    Resolve
Show 13 more ↓
  • Class - 2

    Pedestrian protection does not meet code specification,pswo for using sws roof for storage. issued pursuant to 28-207.2 & posted at premises. note: at time of inspection i observed construction materials have

    May 30, 2019 · Penalty $625

    Resolve
  • Class - 1

    Sec. 3314.10.1 partial stop work order for suspended scaffold & facadework pursuant to 28-207.2 & posted at premises.(vertical/parallel to wall)note: at time of inspection i observed tie back & p¢arapet clamps

    May 30, 2019 · Penalty $625

    Resolve
  • Class - 1

    Sec. 3314.4.3.1.1 partial stop work order for suspended scaffold & allfacade work pursuant to 28-207.2 & posted at premises. failure to provided have in place special provision for parapet clamps. note: at time

    May 30, 2019 · Penalty $625

    Resolve
  • Class - 1

    3314 partial stop work on suspended scaffold. can work only to make safe. note: at time of inspection i observed suspended scaffold in use not to code specifications.stirup more than 18" into platform

    May 1, 2019 · Penalty $2,500

    Resolve
  • Class - 1

    Work without permit, obtain permit; obtain permit

    Feb 15, 2019

    Resolve
  • Class - 1

    No service ground, provide grounding

    Oct 1, 2018

    Resolve
  • Class - 1

    Unsafe unsuitable unapproved electrical equipment devices apparatus appliances materials or wiring in use. defective electrical fixtures and wiring throughout store basement and service room basement through

    Oct 1, 2018

    Resolve
  • Class - 1

    Work w/out a permit.@the above date @11:35 am i observed the installation of multiple gas valves on the gas meters serving the individual apts in the bldg.i observed new gas piping .rem:obtain permit or restore

    Mar 3, 2016 · Penalty $1,600

    Active
  • Class - 1

    Failure to have new or altered plumbing system tested.on the above date @11:30 am i observed multiple gas valves on the gas meters replaced.(gas meters feed cooking gas to individual apts) i also observed new g

    Mar 3, 2016 · Penalty $1,000

    Active
  • Non-hazardous

    Occupancy contrary to that allowed by the certificate of occupancy or building dept. records from a store to an eating and drinking establishment. c of o #12001 store and tenement. remedy: discontinue illegal

    Feb 25, 2005

    Resolve
  • Non-hazardous

    Work without a permit. at time of inspection @ above premises sidewalk shed was erected along sherman ave afor approximately 100' and dob records show that a sidewalk shed permit has not been issued. remedy: sh

    Aug 14, 2002

    Resolve
  • Hazardous

    Shed does not meet building code spec. inproper lighting. at time of inspection @ above premises sidewalk shed was erected along sherman avefor approx. 100' with improper lighting. stop all work. remedy: make s

    Aug 14, 2002

    Resolve
  • Hazardous

    The brick work at the cast elevation 4th floor 1st row of window at the north is loose missing and defective window lintles are saggeing and defective at the east and south exterior wall. brick work is building

    Jun 8, 2002 · Penalty $800

    Resolve

Complaints

  • Unsanitary condition

    Mold

    Oct 6, 2026 · Apt 5E

    Open
  • Plumbing

    Basin/sink

    Oct 6, 2026 · Apt 5E

    Open
  • Heat/hot water

    Entire building

    Sep 6, 2026 · Apt BLDG

    Close
  • Water leak

    Slow leak

    Aug 28, 2026 · Apt 4H

    Close
  • Paint/plaster

    Ceiling

    Aug 28, 2026 · Apt 4H

    Close
  • Door/window

    Door

    Jul 30, 2026 · Apt 3B

    Close
  • General

    Cabinet

    Jul 30, 2026 · Apt 3B

    Close
  • Unsanitary condition

    Pests

    Jul 30, 2026 · Apt 3B

    Close
  • Appliance

    Electric/gas range

    Jul 30, 2026 · Apt 3B

    Close
  • Unsanitary condition

    Pests

    Jul 30, 2026 · Apt 3B

    Close
Show 40 more ↓
  • Unsanitary condition

    Mold

    Jul 30, 2026 · Apt 3B

    Close
  • Paint/plaster

    Wall

    Jul 30, 2026 · Apt 3B

    Close
  • Flooring/stairs

    Floor

    Jul 30, 2026 · Apt 3B

    Close
  • Unsanitary condition

    Mold

    May 8, 2026 · Apt 3B

    Close
  • Paint/plaster

    Ceiling

    May 8, 2026 · Apt 3B

    Close
  • Door/window

    Window pane

    May 8, 2026 · Apt 3B

    Close
  • Unsanitary condition

    Pests

    May 8, 2026 · Apt 3B

    Close
  • Door/window

    Door frame

    May 8, 2026 · Apt 3B

    Close
  • Electric

    Outlet/switch

    May 8, 2026 · Apt 3B

    Close
  • Flooring/stairs

    Floor

    May 8, 2026 · Apt 3B

    Close
  • Safety

    Carbon monoxide detector

    May 4, 2026 · Apt 4G

    Close
  • Plumbing

    Toilet

    May 4, 2026 · Apt 4G

    Close
  • Unsanitary condition

    Mold

    May 4, 2026 · Apt 4G

    Close
  • Paint/plaster

    Wall

    May 4, 2026 · Apt 4G

    Close
  • Water leak

    Slow leak

    Apr 19, 2026 · Apt 2B

    Close
  • Paint/plaster

    Ceiling

    Apr 19, 2026 · Apt 2B

    Close
  • Paint/plaster

    Wall

    Apr 19, 2026 · Apt 2B

    Close
  • Heat/hot water

    Entire building

    Mar 20, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 2, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 29, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 25, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 4, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 29, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 12, 2025 · Apt BLDG

    Close
  • Paint/plaster

    Ceiling

    Nov 12, 2025 · Apt 3B

    Close
  • Paint/plaster

    Ceiling

    Nov 12, 2025 · Apt 3B

    Close
  • Appliance

    Electric/gas range

    Nov 12, 2025 · Apt 3B

    Close
  • Unsanitary condition

    Mold

    Nov 12, 2025 · Apt 3B

    Close
  • Flooring/stairs

    Floor

    Nov 12, 2025 · Apt 3B

    Close
  • Unsanitary condition

    Pests

    Nov 12, 2025 · Apt 3B

    Close
  • Paint/plaster

    Wall

    Nov 12, 2025 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    Nov 11, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 10, 2025 · Apt 3B

    Close
  • Paint/plaster

    Wall

    Nov 7, 2025 · Apt 3B

    Close
  • Door/window

    Window pane

    Nov 7, 2025 · Apt 3B

    Close
  • Paint/plaster

    Ceiling

    Nov 7, 2025 · Apt 3B

    Close
  • Flooring/stairs

    Floor

    Nov 7, 2025 · Apt 3B

    Close
  • Flooring/stairs

    Floor

    Nov 7, 2025 · Apt 3B

    Close
  • Door/window

    Door frame

    Nov 7, 2025 · Apt 3B

    Close
  • Door/window

    Door

    Nov 7, 2025 · Apt 3B

    Close

Sales history

No recorded sales in our data

Sales come from the NYC Department of Finance rolling sales file.

Building details

Building type
Walk-up apartment building (C7)
Year built
1930
Floors
6
Residential units
60
Building area
40,003 ft²
Lot area
10,000 ft²
Zoning
R7A
Community board
112
Council district
10
Block / lot
2228 / 45
Assessed value
$2,006,550
Landmark / historic district
No

HPD registration #107322, last renewed Aug 20, 2025.

Questions about 521 Isham Street

Who owns 521 Isham Street?

The owner of record in NYC Department of City Planning PLUTO data is Isham 521 LLC.

Does 521 Isham Street have violations?

Yes. NYC HPD has recorded 228 housing violations at this property.

Is 521 Isham Street rent stabilized?

NYC Department of Finance tax bills listed 60 rent-stabilized units here in 2024 (about 100% of its 60 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 521 Isham Street built?

City records list 1930 as the year it was built.

How many apartments are in 521 Isham Street?

It has 60 residential units and 65 units in total.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.