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173 Classon Avenue

Brooklyn, NY 11205BBL 3-01896-0015Map

Owner of record: 173 Classon LLC

173 Classon Avenue is a walk-up apartment building built in 1905 in Brooklyn, 11205. It has 6 residential units across 3 floors. The owner of record is 173 Classon LLC. HPD has recorded 93 housing violations here, most recently on June 23, 2026.

HPD violations
93
DOB violations
17
ECB violations
29
HPD complaints
84

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
Last violation Jun 23, 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

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 93

  • C

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

    Jun 23, 2026 · Apt 3L

    Closed — Violation closed
  • C

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

    Jun 23, 2026

    Closed — Violation closed
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 2l, 2nd story, 1st apartment from west at north

    Jun 19, 2022 · Apt 2L

    Closed — Violation dismissed
  • C

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

    Jun 19, 2022

    Closed — Violation dismissed
  • 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.

    Oct 16, 2018

    Closed — Violation dismissed
  • A

    Properly repair the broken or defective lower sash window development of condensation obstruction of natural view in the 5th room from east at north located at apt 3l, 3rd story, 1st apartment from west at north

    May 17, 2018 · Apt 3L

    Closed — Violation dismissed
  • B

    Arrange and make self-closing the doors at hinge in the entrance located at apt 3l, 3rd story, 1st apartment from west at north

    May 17, 2018 · Apt 3L

    Closed — Violation dismissed
  • A

    Post, in a form approved by the commissioner, and maintain a notice in a common area of the building regarding the procedures that should be followed when a gas leak is suspected at public hall, 1st story

    May 17, 2018

    Closed — Violation dismissed
  • C

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

    Mar 29, 2018 · Apt 3L

    Closed — Violation closed
  • C

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

    Mar 25, 2018 · Apt 3L

    Closed — Violation closed
Show 40 more ↓
  • A

    § 329, m/d law and dept. rules and regs. provide a completed certificate of inspection visits in a proper frame at or near mailboxes, bottom edge of frame between 48-62 inches above floor frame missing on wall at public hall, 1st story

    Jan 13, 2018

    Closed — Violation dismissed
  • A

    Post, in a form approved by the commissioner, and maintain a notice in a common area of the building regarding the procedures that should be followed when a gas leak is suspected at public hall, 1st story

    Jan 13, 2018

    Closed — Violation dismissed
  • A

    § 300 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 fire escape balcony extended at 3rd story rear stack to provide safe egress from 3rd story north apartment 3l at fire escape

    Nov 17, 2017

    Closed — Violation dismissed
  • C

    § 231 m/d law provide legal second means of egress and file application for approval before doing the work .. in the entire apartment located at apt 3l, 3rd story, apartment at north

    Nov 8, 2017 · Apt 3L

    Closed — Violation dismissed
  • C

    M/d law abate the nuisance consisting of south wall erected eliminated window to fire escape in the entire apartment located at apt 3l, 3rd story, apartment at north

    Nov 8, 2017 · Apt 3L

    Closed — Violation dismissed
  • B

    Fire escape defective. adjust the dropladder so that it will slide easily in the guide rods at rear yard

    Nov 8, 2017

    Closed — Violation dismissed
  • A

    Post, in a form approved by the commissioner, and maintain a notice in a common area of the building regarding the procedures that should be followed when a gas leak is suspected

    Nov 8, 2017

    Closed — Violation dismissed
  • B

    Provide adequate supply of hot water for the fixtures at sink in the kitchen located at apt 3r, 3rd story, 1st apartment from east at south

    Nov 8, 2017 · Apt 3R

    Closed — Violation dismissed
  • A

    § 300 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 ;metal spiral starcase and partitions creating additional raised floor,approximately 5 feet in height,above in the 1st room from east in the entire apartment located at apt 3r, 3rd story, apartment at south

    Nov 8, 2017 · Apt 3R

    Closed — Violation dismissed
  • B

    Provide adequate supply of hot water for the fixtures at sink in the kitchen located at apt 3r, 3rd story, apartment at south

    Nov 8, 2017 · Apt 3R

    Closed — Violation dismissed
  • A

    Post a proper notice of carbon monoxide detecting device requirements, in a form approved by the commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in a private dwelling. at public hall, 1st story

    Oct 18, 2017

    Closed — Violation dismissed
  • A

    Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mail box mssing at wall at public hall, 1st story

    Oct 18, 2017

    Closed — Violation dismissed
  • A

    § 329, m/d law and dept. rules and regs. provide a completed certificate of inspection visits in a proper frame at or near mailboxes, bottom edge of frame between 48-62 inches above floor missing at wall at public hall, 1st story

    Oct 18, 2017

    Closed — Violation dismissed
  • A

    Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agencys housing information guide. a sample notice can be found at www.nyc.gov/hpd. at public hall, 1st story

    Oct 18, 2017

    Closed — Violation closed
  • C

    Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system notice missing at wall at public hall, 1st story

    Oct 18, 2017

    Closed — Violation closed
  • A

    Post and maintain a proper sign on wall of entrance story showing the registration number assigned by the department and the address of the building. at public hall, 1st story

    Oct 18, 2017

    Closed — Violation closed
  • C

    Provide an adequate supply of gas to the fixtures at gas range located at apt 3r, 3rd story, apartment at south

    Dec 15, 2016 · Apt 3R

    Closed — Violation closed
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 3r, 3rd story, apartment at south

    Dec 15, 2016 · Apt 3R

    Closed — Violation closed
  • C

    Provide an adequate supply of heat from an approved central heating system, or an approved system of gas or electrical heating in good operating condition for the dwelling unit in the entire apartment located at apt 3r, 3rd story, apartment at south

    Dec 15, 2016 · Apt 3R

    Closed — Violation dismissed
  • B

    Provide an adequate supply of gas to the fixtures at the range in the kitchen located at apt 2r, 2nd story, 1st apartment from north at east

    May 16, 2016 · Apt 2R

    Closed — Violation closed
  • C

    Provide adequate supply of hot water for the fixtures at the bathroom and in the kitchen located at apt 2r, 2nd story, 1st apartment from north at east

    May 16, 2016 · Apt 2R

    Closed — Violation closed
  • 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.

    Oct 8, 2015

    Closed — Violation dismissed
  • C

    M/d law abate the nuisance consisting of 133 degrees scalding hot water exceeding the maximum amount of 130 degree. in the entire apartment located at apt 1l, 1st story

    May 24, 2015 · Apt 1L

    Closed — Violation closed
  • C

    M/d law abate the nuisance consisting of scalding hot water 144 degrees in the entire apartment located at apt 1l, 1st story

    May 6, 2015 · Apt 1L

    Closed — Violation closed
  • C

    Abate the nuisance consisting of rodents ( rats ) at basement

    Apr 7, 2015

    Closed — Violation closed
  • C

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

    Apr 7, 2015 · Apt 1L

    Closed — Violation closed
  • B

    Repair or replace the smoke detector missing located at apt 1l, 1st story, 1st apartment from west at north

    Apr 7, 2015 · Apt 1L

    Closed — Violation closed
  • B

    Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. located at apt 1l, 1st story, 1st apartment from west at north

    Apr 7, 2015 · Apt 1L

    Closed — Violation closed
  • B

    Abate the nuisance consisting of mice in the entire apartment located at apt l1, 1st story, apartment at north

    Apr 6, 2015 · Apt L1

    Closed — Violation closed
  • A

    Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agencys housing information guide. a sample notice can be found at www.nyc.gov/hpd. at public hall, 1st story

    Apr 6, 2015

    Closed — Violation dismissed
  • A

    Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agencys housing information guide. a sample notice can be found at www.nyc.gov/hpd. at lobby, 1st story

    Mar 3, 2015

    Closed — Violation closed
  • A

    § 300 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 ; metal spiral staircase and partitions erected creating additional raised floor, approximately 5 feet in height, above in the 4th room from east located at apt 3l, 3rd story, 1st apartment from west at north

    Sep 13, 2014 · Apt 3L

    Closed — Violation dismissed
  • B

    Remove the illegal fastening key-operated lock at entrance door in the 1st room from east at south located at apt 3l, 3rd story, 1st apartment from west at north

    Sep 13, 2014 · Apt 3L

    Closed — Violation closed
  • B

    Fire egress defective. remove obstructing bars or unlawful gates from window to fire escape or provide approved type gate ; in the 1st room from east at south located at apt 3l, 3rd story, 1st apartment from west at north

    Sep 13, 2014 · Apt 3L

    Closed — Violation dismissed
  • B

    Fire egress defective. remove obstructing bars or unlawful gates from window to fire escape or provide approved type gate at east 2 window in the 1st room from east at south located at apt 3l, 3rd story, 1st apartment from west at north

    Aug 12, 2014 · Apt 3L

    Closed — Violation dismissed
  • C

    Remove the illegal fastening key operated lock on the door in the entrance in the 1st room from east at south located at apt 3l, 3rd story, 1st apartment from west at north

    Aug 12, 2014 · Apt 3L

    Closed — Violation closed
  • B

    Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. located at apt 1r, 1st story, apartment at south

    Feb 19, 2011 · Apt 1R

    Closed — Violation closed
  • B

    Repair or replace the smoke detector missing located at apt 1r, 1st story, apartment at south

    Feb 19, 2011 · Apt 1R

    Closed — Violation closed
  • B

    Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. located at apt 2l, 2nd story, apartment at north

    Feb 19, 2011 · Apt 2L

    Closed — Violation closed
  • B

    Repair or replace the smoke detector missing located at apt 2l, 2nd story, apartment at north

    Feb 19, 2011 · Apt 2L

    Closed — Violation closed

DOB building violations · 17

  • Fail to certify class 1 none

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

    Feb 7, 2018

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    Feb 7, 2018

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    Feb 7, 2018

    Dob violation - dismissed
  • Construction other optional

    The brooklyn borough commissioner has issued 15 day letter of intent to revoke permit 340480517&issues a stop work order. the dept intents to revoke the approval & permit for the reasons set forth on the job appl. has objection(s)dated 11/17/17.remedy: comply w/the comm's order the permit holder of record needs to inform the boro comm's office

    Nov 21, 2017

    Dob violation - dismissed
  • Construction other optional

    C-construction other optional

    May 17, 2016

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    Dec 4, 2013

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    Dec 4, 2013

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    Dec 4, 2013

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    Nov 20, 2013

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    Nov 20, 2013

    Dob violation - dismissed
Show 7 more ↓
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2011 inspection report

    Mar 1, 2013

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2010 inspection report

    Dec 13, 2011

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Lblvio-low pressure boiler boiler required

    Dec 31, 2009

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 1, 2009

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 3, 2008

    Dob violation - dismissed
  • Construction other optional

    Work w/out permit

    Jul 22, 2007

    Vw*-violation - work w/o permit dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 29, 1995

    Dob violation - dismissed

ECB violations · 29

  • Class - 2

    Work does not conform to approved plan &/or construction documents. premises under alt-2,job#340324081,loc folder. @ time of inspection found following condition not as per plan. 1)1st fl bedroom shown 2 window

    Aug 9, 2019 · Penalty $3,125

    Resolve
  • Class - 2

    Work does not conform to approved construction documents amendments and/or approved amendments.premises under alt 2 job #340324081 loc folder.@time of inspection found:(1) spiral type stairs from 1 st floor to

    Apr 29, 2019 · Penalty $625

    Resolve
  • Class - 1

    Failure to comply with the commissioners order contained in summons/violation #35297156y issued on 11/16/17 and to file a certificate of correection pursuant to 28-201.1 and 1rcny 102-01.work without a permit

    Feb 28, 2019 · Penalty $625

    Resolve
  • Class - 2

    Failure to comply with the commissioner's order contained in summons/violation #35297155m issued 11/16/17 and to file a certificate of correction pursuant to 28-201.1 and 1rcny 102-01. note: no document file fo

    Jan 9, 2019 · Penalty $625

    Resolve
  • Class - 1

    Failure to comply w/the comm's order contained in summons/vio#35297156y issued on 11/16/17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01. work w/o a permit. remedy: comply w/comm's order &/or file a c

    Jan 3, 2019 · Penalty $1,250

    Resolve
  • Class - 2

    Failure to comply w/ the commissioner's order contained in summons/violation#35297155m issued on 11/16/17 and to file a certificate of correction pursuant to 28-201.1 and 1rcny 102-01. note:no document file to

    Nov 10, 2018 · Penalty $1,250

    Resolve
  • Class - 1

    Failure to comply w/the comm's order contained in summons/vio#35297156y issued on 11/16/17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01. note: certificate file was disapproved 10-23-18. remedy: comply

    Nov 10, 2018

    Resolve
  • Class - 1

    Failure to comply w/the comm's order contained in summons/vio#35297156y issued on 11/16/17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01. for: work w/o a permit. remedy: comply w/comm's order &/or file

    Sep 17, 2018 · Penalty $3,125

    Resolve
  • Class - 2

    Failure to comply w/the comm's order contained in summons/vio#35297155m issued on 11-16-17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01. for: work does not conform to approve construction documents &/

    Sep 17, 2018 · Penalty $3,125

    Resolve
  • Class - 1

    Failure to comply w/ the commissioner's order contained in summons/vio# 35297156y issued on 11/16/17 & to file a c of c pursuant to 28-201.1& 1rcny 102-01. work w/out a permit, noted @ rear of bldg exp#3 they h

    Aug 7, 2018 · Penalty $1,250

    Resolve
Show 19 more ↓
  • Class - 2

    Failure to comply w/the comm's order contained in summons/vio#35297155m issued on 11-16-17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01. for: works does not conform to approved construction plans at

    Aug 7, 2018 · Penalty $1,250

    Resolve
  • Class - 2

    Failure to comply with the commissioners order contained in summons/violation #35297155m issued on 11/16/17 and to file a certificate of correction pursuant to 28-201.1 and 1rcny 102-01.note:document file certi

    Jun 25, 2018 · Penalty $1,250

    Resolve
  • Class - 1

    Failure to comply with the commissioners order contained in summons/violation #35297156y issued on 11/16/17 and to file a certificate of correction pursuant to 28-201.1 and 1rcny 102-01.note:no document file fo

    Jun 25, 2018 · Penalty $1,250

    Resolve
  • Class - 2

    Failure to comply w/the comm's order contained in summons/vio#35297155m issued on 11-16-17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01. work does not conform to approved construction document ts & or

    May 15, 2018 · Penalty $1,250

    Resolve
  • Class - 1

    Failure to comply w/the comm's order contained in summons/vio#35297156y issued on 11/16/17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01. work w/o a permit at rear of bldg exp#3 they have extended fire

    May 15, 2018 · Penalty $2,500

    Resolve
  • Class - 1

    Failure to comply with the commissioner's order contained in summons/violation #35297156y issued on 11/16/17 & to file a certificate of correction pursuant to 28-201.1 & 1rcny 102-01.work without permit @ expos

    Mar 31, 2018 · Penalty $1,250

    Resolve
  • Class - 2

    Failure to comply w/ the commissioner's order contained in summons/violation# 35297155m issued on 11/16/17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01. for doing work that does not confirm to constru

    Dec 27, 2017 · Penalty $800

    Resolve
  • Class - 2

    Failure to comply w/ the commissioner's order contained in summons/violation# 35297154k issued on 11/16/17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01. for illegal use of the mezz area. rem: comply w

    Dec 27, 2017 · Penalty $800

    Resolve
  • Class - 2

    Failure to maintain bldg in code compliant manner. noted: at 3rd fl level,public hall stairs defective. loose wood stairs nosing detaching from wood stairs tread at 1st tread from top 3rd fl to bottom.

    Nov 17, 2017 · Penalty $500

    Resolve
  • Class - 1

    Work w/o a permit. work noted: at rear of bldg exp33 then have extended fire escape on 3rd fl level & on 2nd fl level job#340480517 plans show no work for fire escape. remedy: obtain all required permits.

    Nov 16, 2017 · Penalty $4,000

    Resolve
  • Class - 1

    Occupancy contrary to that allowed by the c of o or bldg dept records.job#340480517 states mezz area to be use accessory use omly no sleeping. at time of inspection mezz area is been use as a bedroom.

    Nov 16, 2017 · Penalty $1,200

    Resolve
  • Class - 1

    Work does not conform to approve construction documen ts &/or approvedamendments. app#340480517 showing at cellar level to have a 2pc bathroom now a 3pc installing a shower. at rear of exterior exp#3 the have

    Nov 16, 2017 · Penalty $2,500

    Resolve
  • Class - 1

    Failure to have new or altered plumbing system tested. observed 6 new gas fired boilers and 6 new water heater gas fired w/new gas piping installed in cellar. no inspection or permits on file. *photo taken*.

    Sep 4, 2013 · Penalty $1,000

    Resolve
  • Class - 1

    Work w/o a permit. observed 6 new boilers and 6 new water heaters w/ new gas piping installed in cellar. no permits on file for gas fired equipment installed in cellar. *photo taken*. remedy: obtain permit.

    Sep 4, 2013

    Resolve
  • Class - 1

    Gas being supplied its bldg w/o inspection & certification by dob. observed 6 new gas fired boilers and 6 new gas fired water heaters w/new gas piping installed in cellar. *photo taken* remedy:file for required

    Sep 4, 2013 · Penalty $1,000

    Resolve
  • Class - 1

    Work w/o a permit. note: at cellar level full height partition walls illegally erected at various locations creating 2 sro's,3pc bathroom & a large open space. also at 1st fl a large opening created in wood flr

    Aug 30, 2013

    Resolve
  • Class - 1

    Failure to maintain bldg in code compliant manner. no fire stopping per bc 712.3;27-345. note: at cellar level large holes throughout ceiling & walls in boiler rm exposing wood joists creating an unsafe conditi

    Aug 30, 2013 · Penalty $1,000

    Resolve
  • Class - 2

    Residence altered for occupancy as a dwelling for more than the legally approved # of families. note at cellar level full height partition walls illegally erected at various locations creating 2 sro's. 3pc bath

    Aug 30, 2013 · Penalty $1,200

    Resolve
  • Non-hazardous

    Work w/o permit noted: total gut rehab in progress w/partitions removed, new plumbing installed,floor joists compromised in various locations through-out.work approx.50% complete.remedy:stop all work-,make safe

    Jul 22, 2007 · Penalty $500

    Resolve

Complaints

  • Heat/hot water

    Apartment only

    Jun 24, 2026 · Apt 3R

    Close
  • Heat/hot water

    Apartment only

    Jun 24, 2026 · Apt 3R

    Close
  • Heat/hot water

    Apartment only

    Jun 22, 2026 · Apt 3R

    Close
  • Plumbing

    Water supply

    Jun 9, 2022 · Apt 2L

    Close
  • Electric

    Power outage

    Dec 20, 2018 · Apt 1STFL

    Close
  • Door/window

    Window frame

    Apr 29, 2018 · Apt 3L

    Close
  • Door/window

    Window frame

    Apr 8, 2018 · Apt 3L

    Close
  • Heat/hot water

    Apartment only

    Mar 28, 2018 · Apt 3L

    Close
  • Door/window

    Window frame

    Mar 28, 2018 · Apt 3L

    Close
  • Heat/hot water

    Apartment only

    Mar 24, 2018 · Apt 3L

    Close
Show 40 more ↓
  • Heat/hot water

    Apartment only

    Feb 20, 2018 · Apt 3L

    Close
  • Heat/hot water

    Apartment only

    Feb 18, 2018 · Apt 3L

    Close
  • Plumbing

    Water supply

    Jan 11, 2018 · Apt 3L

    Close
  • Heat/hot water

    Entire building

    Jan 10, 2018 · Apt 3L

    Close
  • Heat/hot water

    Apartment only

    Jan 6, 2018 · Apt 3R

    Close
  • Heat/hot water

    Entire building

    Jan 3, 2018 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 27, 2017 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 26, 2017 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 18, 2017 · Apt 1R

    Close
  • Heat/hot water

    Entire building

    Nov 22, 2017 · Apt 2L

    Close
  • Safety

    Fire escape

    Nov 17, 2017 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 17, 2017 · Apt 3R

    Close
  • Heat/hot water

    Entire building

    Dec 14, 2016 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 14, 2016 · Apt 3R

    Close
  • Unsanitary condition

    Pests

    Nov 17, 2016 · Apt 2R

    Close
  • Heat/hot water

    Apartment only

    Nov 17, 2016 · Apt 2R

    Close
  • Heat/hot water

    Entire building

    Nov 16, 2016 · Apt 2R

    Close
  • Plumbing

    Water supply

    May 16, 2016 · Apt 2R

    Close
  • General

    Cooking gas

    May 15, 2016 · Apt 2R

    Close
  • Plumbing

    Water supply

    May 15, 2016 · Apt 2R

    Close
  • Heat/hot water

    Entire building

    May 15, 2016 · Apt 2R

    Close
  • Unsanitary condition

    Pests

    May 12, 2015 · Apt 1L

    Close
  • Heat/hot water

    Apartment only

    Apr 5, 2015 · Apt 1L

    Close
  • Unsanitary condition

    Pests

    Apr 1, 2015 · Apt 1L

    Close
  • Water leak

    Heavy flow

    Apr 1, 2015 · Apt 1L

    Close
  • Heat/hot water

    Apartment only

    Feb 27, 2015 · Apt 2R

    Close
  • General

    Doors

    Jan 29, 2014 · Apt 1L

    Close
  • General

    Locks

    Jan 29, 2014 · Apt 1L

    Close
  • Plumbing

    Water-leaks

    Jan 29, 2014 · Apt 1L

    Close
  • Heating

    Heat related

    Jan 27, 2014 · Apt 3R

    Close
  • Heating

    Heat related

    Jan 13, 2014 · Apt 2R

    Close
  • Heating

    Heat related

    Nov 12, 2012 · Apt 1R

    Close
  • Plumbing

    Water-leaks

    Aug 15, 2012 · Apt 1R

    Close
  • Nonconst

    Smoke detector

    Jan 26, 2011 · Apt 2L

    Close
  • Paint/plaster

    Ceiling

    Jan 26, 2011 · Apt 2L

    Close
  • Nonconst

    Carbon monoxide

    Jan 26, 2011 · Apt 2L

    Close
  • Nonconst

    Smoke detector

    Jan 26, 2011 · Apt 1R

    Close
  • Nonconst

    Carbon monoxide

    Jan 26, 2011 · Apt 1R

    Close
  • Heating

    Heat related

    Nov 3, 2010 · Apt 2R

    Close
  • Appliance

    Refrigerator

    Oct 26, 2009 · Apt 1R

    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 (C2)
Year built
1905
Floors
3
Residential units
6
Building area
4,350 ft²
Lot area
2,315 ft²
Zoning
M1-1
Community board
303
Council district
33
Block / lot
1896 / 15
Assessed value
$504,900
Landmark / historic district
No

HPD registration #305891, last renewed Aug 20, 2025.

Questions about 173 Classon Avenue

Who owns 173 Classon Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 173 Classon LLC.

Does 173 Classon Avenue have violations?

Yes. NYC HPD has recorded 93 housing violations at this property.

Is 173 Classon Avenue rent stabilized?

No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.

When was 173 Classon Avenue built?

City records list 1905 as the year it was built.

How many apartments are in 173 Classon Avenue?

It has 6 residential units.

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