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
No open immediately-hazardous violations among recent records.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 93
- CImmediately hazardous
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 - CImmediately hazardous
Provide ready access to buildings heating system door locked at basement at boiler room
Jun 23, 2026
Closed — Violation closed - CImmediately hazardous
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 - CImmediately hazardous
Provide ready access to buildings heating system boiler room door locked at cellar
Jun 19, 2022
Closed — Violation dismissed - IInformation / order
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 - ANon-hazardous
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 - BHazardous
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 - ANon-hazardous
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 - CImmediately hazardous
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 - CImmediately hazardous
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 ↓
- ANon-hazardous
§ 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 - ANon-hazardous
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 - ANon-hazardous
§ 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 - CImmediately hazardous
§ 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 - CImmediately hazardous
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 - BHazardous
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 - ANon-hazardous
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 - BHazardous
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 - ANon-hazardous
§ 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 - BHazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - ANon-hazardous
§ 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 - ANon-hazardous
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 - CImmediately hazardous
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 - ANon-hazardous
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 - CImmediately hazardous
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 - CImmediately hazardous
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 - CImmediately hazardous
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 - BHazardous
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 - CImmediately hazardous
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 - IInformation / order
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 - CImmediately hazardous
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 - CImmediately hazardous
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 - CImmediately hazardous
Abate the nuisance consisting of rodents ( rats ) at basement
Apr 7, 2015
Closed — Violation closed - CImmediately hazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - ANon-hazardous
§ 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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - CImmediately hazardous
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 - BHazardous
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 - BHazardous
Repair or replace the smoke detector missing located at apt 1r, 1st story, apartment at south
Feb 19, 2011 · Apt 1R
Closed — Violation closed - BHazardous
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 - BHazardous
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
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.