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921 St Marks Avenue

Brooklyn, NY 11213BBL 3-01223-0078Map

Owner of record: 921 St. Marks Realty LLC

921 St Marks Avenue is a walk-up apartment building built in 1913 in Brooklyn, 11213. It has 20 residential units across 4 floors. The owner of record is 921 St. Marks Realty LLC. HPD has recorded 494 housing violations here, most recently on September 25, 2026. 45 of the 50 most recent violations are still open. City tax records listed 3 rent-stabilized apartments here in 2023.

HPD violations
494
DOB violations
18
ECB violations
29
HPD complaints
684

What to know

Concern
10 open Class C

Immediately hazardous issues among recent violations are still open.

Watch
Last violation Sep 25, 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 2023
3
About 15% of the building's 20 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 · 494

  • B

    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 1d, 1st story, 2nd apartment from west at north

    Sep 25, 2026 · Apt 1D

    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 defective in the entire apartment located at apt 1d, 1st story, 2nd apartment from west at north

    Sep 25, 2026 · Apt 1D

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective porcelain enamel finish by method of reglazing at bathtub in the bathroom located at apt 1d, 1st story, 2nd apartment from west at north

    Sep 25, 2026 · Apt 1D

    Open — Nov sent out
  • B

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

    Sep 25, 2026 · Apt 1D

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective spring balance on lower sash at 1st window from west at north wall in the 1st room from north located at apt 1d, 1st story, 2nd apartment from west at north

    Sep 25, 2026 · Apt 1D

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 1d, 1st story, 2nd apartment from west at north

    Sep 25, 2026 · Apt 1D

    Open — Nov sent out
  • B

    Provide adequate lighting for light fixtures at ceiling at public hall, 1st story

    May 28, 2026

    Closed — Violation dismissed
  • A

    File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.

    May 6, 2026

    Closed — Violation dismissed
  • B

    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 4c, 4th story, 1st apartment from west at north

    Apr 15, 2026 · Apt 4C

    Open — Invalid certification
  • B

    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 4c, 4th story, 1st apartment from west at north

    Apr 15, 2026 · Apt 4C

    Open — Invalid certification
Show 40 more ↓
  • B

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

    Apr 15, 2026 · Apt 4C

    Open — Invalid certification
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 4c, 4th story, 1st apartment from west at north

    Apr 15, 2026 · Apt 4C

    Open — Notice of issuance sent to tenant
  • B

    Repair the roof so that it will not leak above ceiling in the 1st room from east located at apt 4c, 4th story, 1st apartment from west at north

    Apr 15, 2026 · Apt 4C

    Open — Invalid certification
  • B

    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 4c, 4th story, 1st apartment from south at west

    Apr 15, 2026 · Apt 4C

    Open — Invalid certification
  • B

    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 4c, 4th story, 1st apartment from south at west

    Apr 15, 2026 · Apt 4C

    Open — Invalid certification
  • B

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

    Apr 15, 2026 · Apt 4C

    Open — Invalid certification
  • B

    Repair the roof so that it will not leak at ceilig in the 3rd room from north located at apt 4c, 4th story, 1st apartment from south at west

    Apr 15, 2026 · Apt 4C

    Open — Invalid certification
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the 1st room from east located at apt 4c, 4th story, 1st apartment from west at north

    Apr 15, 2026 · Apt 4C

    Open — Invalid certification
  • A

    Properly repair or replace the broken or defective bell and intercom system at building front to west wall in the foyer located at apt 4c, 4th story, 1st apartment from south at west

    Apr 15, 2026 · Apt 4C

    Open — Nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Nov 19, 2025

    Closed — Violation dismissed
  • B

    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 1c, 1st story, 1st apartment from west at north

    Nov 17, 2025 · Apt 1C

    Open — Nov sent out
  • B

    Refit door in the entrance located at apt 1c, 1st story, 1st apartment from west at north

    Nov 17, 2025 · Apt 1C

    Open — Nov sent out
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 1c, 1st story, 1st apartment from west at north

    Nov 17, 2025 · Apt 1C

    Open — Nov sent out
  • C

    Provide ready access to buildings heating system locked door at cellar at boiler room

    Nov 17, 2025

    Open — Nov sent out
  • B

    Properly secure the loose and detached washbasin at north wall, in the bathroom located at apt 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 1a, 1st story, 1st apartment from south at west

    Nov 6, 2025 · Apt 1A

    Closed — Violation closed
  • B

    Trace and repair the source and abate the visible mold condition... less 10 than square feet at the ceiling , in the 2nd room from north at west located at apt 1a, 1st story, 1st apartment from south at west original violation 18350940 issued 06-nov-25 has been upgraded to class b per administrative code 27-2017.3a(3)(a) or (b).

    Nov 6, 2025 · Apt 1A

    Open — Violation will be reinspected
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 1c, 1st story, 1st apartment from west at north

    Nov 6, 2025 · Apt 1C

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 1c, 1st story, 1st apartment from west at north

    Nov 6, 2025 · Apt 1C

    Open — Nov sent out
  • A

    Trace and repair the source and abate the visible mold condition... less 10 than square feet at the ceiling , in the 2nd room from north at west located at apt 1a, 1st story, 1st apartment from south at west

    Nov 6, 2025 · Apt 1A

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    Open — Nov sent out
  • C

    Properly secure the loose and detached stile clips at lower sash window 1st from west at north, in the 1st room from north located at apt 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective intercom system from building front entrance to east wall panel, in the foyer located at apt 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling, north and east walls, in the private hallway located at apt 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    Open — Nov sent out
  • B

    Repair the broken or defective connection waste line at sink in the kitchen located at apt 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    Open — Nov sent out
  • C

    Provide ready access to buildings heating system door locked at entrance from fire passageway to cellar, at boiler room

    Nov 6, 2025

    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 1a, 1st story, 1st apartment from south at west

    Nov 6, 2025 · Apt 1A

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at south wall, in the kitchen located at apt 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    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 1a, 1st story, 1st apartment from south at west

    Nov 6, 2025 · Apt 1A

    Open — Nov sent out
  • A

    Cleanse to the satisfaction of this department the visible mold at caulking and grout joints of the ceramic tiles at north and east. walls around bathtub, in the 2nd bathroom from north at east located at apt 1a, 1st story, 1st apartment from south at west

    Nov 6, 2025 · Apt 1A

    Open — Nov sent out
  • A

    Cleanse to the satisfaction of this department the visible mold at caulking and grout joints of the ceramic tiles at south wall around shower stall, in the 1st bathroom from north located at apt 1a, 1st story, 1st apartment from south at west

    Nov 6, 2025 · Apt 1A

    Open — Nov sent out
  • B

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

    Nov 6, 2025 · Apt 1A

    Open — Nov sent out
  • B

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

    Nov 6, 2025 · Apt 1A

    Open — Nov sent out
  • A

    Paint metal in accordance with dept. regulation heat riser at east wall in the bathroom located at apt 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective wood counter top at the sink cabinet in the kitchen located at apt 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    Open — Nov sent out
  • A

    Cleanse to the satisfaction of this department the visible mold at caulking and grout joints of the ceramic tiles at east, south and west walls around bathtub, in the bathroom located at apt 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    Open — Nov sent out
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    Open — Notice of issuance sent to tenant
  • B

    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 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    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 defective in the entire apartment located at apt 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective electrical outlet 2nd from east at south, in the 4th room from north located at apt 1d, 1st story, 2nd apartment from west at north

    Nov 6, 2025 · Apt 1D

    Open — Nov sent out

DOB building violations · 18

  • Low pressure boiler boiler required

    Violation issued-failure to file 2018 external low pressure inspection

    Jun 20, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2019 external low pressure inspection

    Jun 20, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2017 inspection report

    Nov 8, 2019

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2016 inspection report

    Apr 6, 2018

    Dob violation - active
  • Construction other optional

    Repair and or replace, obtain any necessary permits for work

    Feb 5, 2018

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2015 inspection report

    Feb 24, 2017

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    Sep 9, 2015

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    Sep 9, 2015

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    Sep 9, 2015

    Dob violation - dismissed
  • Construction other optional

    Comply with vacate order

    May 21, 2015

    Dob violation - active
Show 8 more ↓
  • Fail to certify class 1 none

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

    May 13, 2015

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    May 13, 2015

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    May 13, 2015

    Dob violation - dismissed
  • Construction other optional

    Stop all work immediately contact the boro commissioner

    Nov 25, 2014

    Dob violation - dismissed
  • Construction other optional

    C-construction other optional

    Aug 6, 2014

    Dob violation - dismissed
  • Construction other optional

    Boro. comm. issued a stop all work order for all work pursuants to app lication#320924951 on 9/11/14 due to applicant withdrawals

    Jul 29, 2014

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    Jun 4, 2014

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 29, 1995

    Dob violation - dismissed

ECB violations · 29

  • Class - 3

    Work without a permit. at the time of inspection, i observed a large metal and wood fence over 6 feet high on the roof that is fixed to the parapet and railing and bulkhead. work is completed 100% no filings in

    Feb 20, 2025 · Penalty $500

    Active
  • Class - 3

    Failure to maintain building in a code-compliant manner. at the time of inspection, i observed miscellaneous household items and debris on the roof/bulkhead. debris consist of charcoal grills, water barrels, bl

    Feb 20, 2025 · Penalty $500

    Active
  • Class - 2

    Failure to conduct or file a final inspection of permitted work w/the dept. noted: at time of inspection,observation was made in apt#1a fullcompleted work under app#321804516 issued 8/1/2018 - 7/18/2019. no sig

    Sep 10, 2021 · Penalty $620

    Resolve
  • Class - 1

    Bc3303.10.failure to complied with tenant protection plan.noted:tenantprotection plan not being complied with excessive dust throughout all floors in common hallways.rem:comply with code.

    May 30, 2018 · Penalty $625

    Resolve
  • Class - 1

    Filed a certificate,form,application,etc.containing a material false statement.noted:false filing on pw 1 on application #321637252 item #26checked off "no"for rent regulated status when in fact building has th

    May 30, 2018 · Penalty $2,500

    Resolve
  • Class - 2

    Failure to comply w/the comm's order contained in summons/vio#35273091x issued on 02/15/18 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01. failure to maintain bldg in code compliant manner. no fire stop

    Apr 20, 2018 · Penalty $625

    Resolve
  • Class - 2

    Failure to comply w/the comm's order contained in summons/vio#35273092h issued on 02/15/18 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01. failure to maintain adequate housekeeping per section requireme

    Apr 20, 2018 · Penalty $625

    Resolve
  • Class - 1

    Failure to maintain adequate housekeeping per section requirements.observed at time of inspection a pile of combustible construction debris 3' x 4' x 5' in construction area of apartments 1c of premises at perm

    Feb 15, 2018 · Penalty $2,400

    Resolve
  • Class - 1

    Failure to file evidence or compliance with workers complain and or disability benefits .at time of inspection while respondent was acting as general contractor permit holder or permitted job#321637252 contract

    Feb 15, 2018 · Penalty $500

    Resolve
  • Class - 1

    Failure to maintain bldg in code compliant manner: no fire stopping per bc 712.3; 27-345. observed at time of inspection at permitted job#321637252, failure to provide fire stopping between work area in apt

    Feb 15, 2018 · Penalty $1,000

    Resolve
Show 19 more ↓
  • Class - 3

    Failure to maintain bldg in code compliant manner. observed: at exp#2 of 4 sty bldg link chained fence approx 6'in height damaged & incline the supported retaining wall is broken & collapsed. remedy: repair &/o

    Feb 1, 2018 · Penalty $100

    Resolve
  • Class - 3

    Work w/out a permit.observed bathroom fixtures & fl removed.observed fl beams in area replaced &/or sistered.observed bathtub & trap removedconst activity noted located in apt 1c.no permit for apt 1c valid or o

    Jul 11, 2017 · Penalty $500

    Resolve
  • Class - 1

    Work without a permit.i observed an gas tankless water heate in cellar with gas flu and water connections for apt in building.no permits on file for any gas water heaters.rem:obtain permit.photos taken.

    Apr 4, 2017

    Resolve
  • Class - 1

    Failure to maintain bldg in code compliant manner.noted: at roof levelchimney is cracked apprx 4'vertically with loose capping bricks and broken flue pipe. rmdy: repair and/or replace.

    May 27, 2015 · Penalty $5,000

    Resolve
  • Class - 1

    Failure to maintain bldg in code compliant manner.no fire stopping perbc 712.3,27-345.noted: observed at time of inspection large area of fire stopping missing. in apt 1c fire escape window is obstructed with

    May 21, 2015 · Penalty $5,000

    Resolve
  • Class - 2

    Work w/o a permit.noted: at roof level, installed structural metal beams as support for six (6) a.c. condensing units.installed skylight at roof level w/no guardrails. rmdy: obtain permits.

    May 21, 2015 · Penalty $4,000

    Resolve
  • Class - 1

    Occupancy contrary to that allowed by the certificate of occupancy or building dept records. noted dob records indicates a four(4) story; 20units bldg,cellar9boiler,storage).at time of inspection cellar has bee

    May 21, 2015 · Penalty $12,000

    Resolve
  • Class - 2

    Unapproved unsafe unsuitable electrical equipment devices apparatus appliances materials or wiring in use.318 greenfield used on roof for wiring of huac units defective fixtures in apt1c bathroom,hallway emerge

    May 21, 2015 · Penalty $4,000

    Resolve
  • Class - 2

    Work w/o a permit. noted: in apt 1b, job#320924951 apt2,no mechanical permit issue at time of inspection, there is roughing (supply and waste lines) for split a.c. unit and ventilation in the bathroom installed

    May 21, 2015 · Penalty $4,000

    Resolve
  • Class - 2

    Failure to comply w/commissioner's order to file a certificate of correction w/dob for ecb violations number 35115077x,35115078h,35153671x, 35115078,35153671x,351532672h. rmdy: file certificate of correction.

    May 21, 2015 · Penalty $4,000

    Resolve
  • Class - 2

    Failure to maintain bldg on code compliant manner re:i observed @10:00am in apt 3c pvc pipe ran to a dishwasher tee under kitchen sink from reief valve connected to electric hot water heater.photos taken.rem:re

    May 21, 2015 · Penalty $2,500

    Resolve
  • Class - 2

    Electrical work w/o permit.observed @ 8am 613 feeders in basement & huac units installed on roof.also observed disconnect switch on roof is not supported.no application on file for electrical work.rem:obtain pe

    May 21, 2015 · Penalty $4,000

    Resolve
  • Class - 1

    Work w/o a permit work noted i observed at 4pm water hot and cold,sanitary drainage gas lines that were ran to multiple bathrooms (lav,toilet tubs,sinks,gas stoves,furnaces direct vent and direct vent hot water

    Feb 18, 2015 · Penalty $8,000

    Resolve
  • Class - 2

    Residence altered for occupancy as a dwelling for more than the legally approved # of families. noted: bldg dept records indicates premises to be legally approved for 20 class'a'apt records indicates premises

    Feb 18, 2015 · Penalty $6,000

    Resolve
  • Class - 1

    Work w/o permit. work noted: at cellar level installed full height partition walls for 2 sro rooms & a class'a' apt w/2 bedrooms,kitchen & living room. at apts 4d & 4b installed gas furnace & gas water heater

    Feb 18, 2015 · Penalty $8,000

    Resolve
  • Class - 1

    Piping and/or equipment installed improperly i observed at 4pm at the cellar located at the ceiling two gas risers connected with unions. this is a prohibited connection at the base of the gas risers.rmdy:ins

    Feb 18, 2015 · Penalty $8,000

    Resolve
  • Class - 1

    Failure to comply with the commissioner's order contained in notice of violation #35089675j issued on 03/05/14.work w/o a permit gut renovation of apt.1b w/o permit.rem:comply with the commissioner's order

    Sep 11, 2014 · Penalty $12,000

    Resolve
  • Class - 1

    Work without a permit. work noted: in apt 1b observed full gut renovation removal & reinstalled interior partitions, electrical wiring & plumbing roughing also installed without permits. "stop all work" work is

    Mar 5, 2014 · Penalty $8,000

    Resolve
  • Class - 1

    Failure to comply w/ the comm's order contained in nov#35089675j issued on 03/05/14.for gut renovation of apt 1b no permits have been issued to remedy condition cited.rem:comply w/ the comm's order.

    May 3, 2013 · Penalty $12,000

    Resolve

Complaints

  • Plumbing

    Water supply

    Oct 21, 2026 · Apt 2D

    Open
  • Plumbing

    Water supply

    Oct 21, 2026 · Apt 2D

    Open
  • Plumbing

    Water supply

    Oct 20, 2026 · Apt ALL

    Close
  • Flooring/stairs

    Floor

    Sep 22, 2026 · Apt 1D

    Close
  • Paint/plaster

    Ceiling

    Apr 12, 2026 · Apt 4C

    Close
  • Unsanitary condition

    Pests

    Apr 12, 2026 · Apt 4C

    Close
  • Unsanitary condition

    Mold

    Apr 12, 2026 · Apt 4C

    Close
  • Water leak

    Damp spot

    Apr 12, 2026 · Apt 4C

    Close
  • Water leak

    Slow leak

    Apr 12, 2026 · Apt 4C

    Close
  • Door/window

    Door

    Apr 12, 2026 · Apt BLDG

    Close
Show 40 more ↓
  • Plumbing

    Basin/sink

    Apr 12, 2026 · Apt 4C

    Close
  • Plumbing

    Basin/sink

    Mar 17, 2026 · Apt 4C

    Close
  • Door/window

    Door

    Feb 27, 2026 · Apt 2D

    Close
  • Plumbing

    Radiator

    Feb 6, 2026 · Apt 2B

    Close
  • Paint/plaster

    Ceiling

    Feb 6, 2026 · Apt 2B

    Close
  • Plumbing

    Radiator

    Feb 6, 2026 · Apt 2B

    Close
  • Unsanitary condition

    Mold

    Feb 6, 2026 · Apt 2B

    Close
  • Flooring/stairs

    Floor

    Feb 6, 2026 · Apt 2B

    Close
  • Heat/hot water

    Apartment only

    Jan 24, 2026 · Apt 4C

    Close
  • Water leak

    Slow leak

    Nov 21, 2025 · Apt 2A

    Close
  • Electric

    Lighting

    Nov 21, 2025 · Apt 2A

    Close
  • Paint/plaster

    Ceiling

    Nov 21, 2025 · Apt 2A

    Close
  • Electric

    Lighting

    Nov 21, 2025 · Apt 2A

    Close
  • Heat/hot water

    Apartment only

    Nov 14, 2025 · Apt 1C

    Close
  • Plumbing

    Water supply

    Nov 7, 2025 · Apt 2D

    Close
  • Heat/hot water

    Entire building

    Nov 6, 2025 · Apt 2D

    Close
  • Heat/hot water

    Apartment only

    Nov 5, 2025 · Apt 1C

    Close
  • Paint/plaster

    Ceiling

    Nov 3, 2025 · Apt 1A

    Close
  • Water leak

    Heavy flow

    Nov 3, 2025 · Apt 1A

    Close
  • Plumbing

    Basin/sink

    Oct 24, 2025 · Apt 1D

    Close
  • Electric

    Power outage

    Oct 24, 2025 · Apt 1D

    Close
  • Door/window

    Window frame

    Oct 24, 2025 · Apt 1D

    Close
  • General

    Bell/buzzer/intercom

    Oct 24, 2025 · Apt 1D

    Close
  • Paint/plaster

    Ceiling

    Oct 24, 2025 · Apt 1D

    Close
  • Plumbing

    Basin/sink

    Oct 24, 2025 · Apt 1D

    Close
  • Safety

    Smoke detector

    Oct 24, 2025 · Apt 1D

    Close
  • Unsanitary condition

    Pests

    Oct 24, 2025 · Apt 1D

    Close
  • Paint/plaster

    Ceiling

    Oct 24, 2025 · Apt 1D

    Close
  • Unsanitary condition

    Mold

    Oct 24, 2025 · Apt 1D

    Close
  • General

    Cabinet

    Oct 24, 2025 · Apt 1D

    Close
  • Paint/plaster

    Wall

    Oct 24, 2025 · Apt 1D

    Close
  • Unsanitary condition

    Mold

    Oct 23, 2025 · Apt 1A

    Close
  • Paint/plaster

    Ceiling

    Oct 23, 2025 · Apt 1A

    Close
  • Paint/plaster

    Ceiling

    Oct 23, 2025 · Apt 1A

    Close
  • Water leak

    Damp spot

    Oct 23, 2025 · Apt 1A

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  • Unsanitary condition

    Pests

    Oct 8, 2025 · Apt 1D

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  • General

    Cabinet

    Oct 8, 2025 · Apt 1D

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  • Unsanitary condition

    Mold

    Oct 8, 2025 · Apt 1D

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  • Safety

    Smoke detector

    Oct 8, 2025 · Apt 1D

    Close
  • Plumbing

    Basin/sink

    Oct 8, 2025 · Apt 1D

    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 (C1)
Year built
1913
Floors
4
Residential units
20
Building area
19,120 ft²
Lot area
7,779 ft²
Zoning
R6
Community board
308
Council district
36
Block / lot
1223 / 78
Assessed value
$664,200
Landmark / historic district
Crown Heights North III Historic District

HPD registration #300917, last renewed Jan 23, 2026.

Questions about 921 St Marks Avenue

Who owns 921 St Marks Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 921 St. Marks Realty LLC.

Does 921 St Marks Avenue have violations?

Yes. NYC HPD has recorded 494 housing violations at this property.

Is 921 St Marks Avenue rent stabilized?

NYC Department of Finance tax bills listed 3 rent-stabilized units here in 2023 (about 15% of its 20 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 921 St Marks Avenue built?

City records list 1913 as the year it was built.

How many apartments are in 921 St Marks Avenue?

It has 20 residential units.

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