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633 Union Street

Brooklyn, NY 11215BBL 3-00434-0056Map

Owner of record: Adda 633 Union Street, LLC

633 Union Street is a walk-up apartment building built in 1931 in Brooklyn, 11215. It has 8 residential units across 4 floors. The owner of record is Adda 633 Union Street, LLC. HPD has recorded 94 housing violations here, most recently on February 21, 2026. 5 of the 50 most recent violations are still open. City tax records listed 1 rent-stabilized apartment here in 2024.

HPD violations
94
DOB violations
6
ECB violations
6
HPD complaints
17

What to know

Concern
2 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation Feb 21, 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
1
About 13% of the building's 8 apartments
Down from 3 in 2018

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 · 94

  • C

    M/d law abate the nuisance consisting of scalding hotwater above 130 degrees in the entire apartment located at apt 2r, 2nd story, 1st apartment from north at east

    Feb 21, 2026 · Apt 2R

    Open — Nov sent out
  • C

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

    Feb 21, 2026 · Apt 2R

    Open — Nov sent out
  • C

    Remove device preventing door from being self-closing metal door stopper at vestibule door at public hall

    Feb 21, 2026

    Closed — Violation closed
  • C

    Remove device preventing door from being self-closing kickstand at vestibule door at public hall, 1st story

    Feb 6, 2026

    Closed — Violation closed
  • 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.

    Jun 11, 2025

    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.

    Mar 27, 2023

    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.

    Apr 13, 2021

    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.

    Apr 13, 2021

    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 31, 2019

    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 22, 2018

    Closed — Violation dismissed
Show 40 more ↓
  • B

    M/d law abate the nuisance consisting of a lockable knob on the door to the room with the fire escape window in the 4th room from north at west located at apt 2r, 2nd story, 1st apartment from north at east

    Dec 5, 2017 · Apt 2R

    Open — Nov sent out
  • C

    Properly repair the broken or defective skylight vent cover

    Sep 20, 2017

    Closed — Violation closed
  • B

    Remove the illegal fastening hasp and eye capable of being padlocked at scuttle door hatch at public hall, 3rd story

    Sep 20, 2017

    Closed — Violation closed
  • B

    Remove all encumbrances consisting of bicycles padlocked at hand rail at public hall, 3rd story

    Sep 20, 2017

    Closed — Violation closed
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes consisting of air conditioner installed at window at all story balconies, east stack at building front

    Sep 20, 2017

    Closed — Violation closed
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes consisting of house hold items at all story balconies, east stack at building front

    Sep 20, 2017

    Closed — Violation closed
  • B

    Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the building south front yard

    Sep 20, 2017

    Closed — Violation closed
  • B

    Remove all encumbrances consisting of bicycle at public hall, 1st story

    Sep 20, 2017

    Closed — Violation closed
  • 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

    Sep 20, 2017

    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

    Sep 20, 2017

    Open — Not complied with
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes consisting of household articles at 2nd story balcony at fire escape

    Sep 19, 2017

    Closed — Violation closed
  • A

    And dept. rules and regulations. scrape and remove rust scales and paint with 2 coats of paint fire escape south stack

    Sep 19, 2017

    Closed — Violation closed
  • B

    Repair or replace the carbon monoxide detecting device(s). missing located at apt 2r, 2nd story, 1st apartment from north at east

    Aug 4, 2017 · Apt 2R

    Closed — Violation dismissed
  • C

    Remove the illegal fastening eye and hook capable of being padlocked at scuttle door to roof at public hall, 4th story

    Aug 4, 2017

    Closed — Violation closed
  • B

    Repair or replace the smoke detector missing located at apt 2r, 2nd story, 1st apartment from north at east

    Aug 4, 2017 · Apt 2R

    Closed — Violation dismissed
  • C

    M/d law abate the nuisance consisting of 146 degrees of scalding hot water -exceeding the maximum temperature of 130 degrees-apt. located at east not west. located at apt 4r, 4th story, 1st apartment from south at west

    Aug 4, 2017 · Apt 4R

    Closed — Violation dismissed
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes ,,, in the 4th room from north at west located at apt 2r, 2nd story, 1st apartment from north at east

    Aug 4, 2017 · Apt 2R

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective wood floor in the 3rd room from north located at apt 2r, 2nd story, 1st apartment from north at east

    Aug 4, 2017 · Apt 2R

    Closed — Violation closed
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes air conditioner at east apt.-not west. in the 4th room from north at west located at apt 4r, 4th story, 1st apartment from south at west

    Aug 4, 2017 · Apt 4R

    Closed — Violation closed
  • B

    Repair or replace the smoke detector missing apt. located at east not west. located at apt 4r, 4th story, 1st apartment from south at west

    Aug 4, 2017 · Apt 4R

    Closed — Violation dismissed
  • B

    Repair or replace the carbon monoxide detecting device(s). missing at east apt. not west located at apt 4r, 4th story, 1st apartment from south at west

    Aug 4, 2017 · Apt 4R

    Closed — Violation dismissed
  • B

    Repair or replace the carbon monoxide detecting device(s). defective located at apt 3l, 3rd story, 1st apartment from south at west

    Aug 4, 2017 · Apt 3L

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector defective located at apt 3l, 3rd story, 1st apartment from south at west

    Aug 4, 2017 · Apt 3L

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective sloping wood floor in the 2nd room from north located at apt 1r, 1st story, 1st apartment from north at east

    Aug 4, 2017 · Apt 1R

    Open — Not complied with
  • C

    Install the missing or repair/replace the defective window guard(s) in accordance with the specifications of the new york city health code section 24 rcny chapter 12. wg to install = 1; wg to replace = 1; wg to repair = 1;missing and no oneway srews located at apt 2l, 2nd story, 1st apartment from south at west

    Aug 4, 2017 · Apt 2L

    Closed — Violation closed
  • B

    Repair or replace the smoke detector defective located at apt 2l, 2nd story, 1st apartment from south at west

    Aug 4, 2017 · Apt 2L

    Closed — Violation dismissed
  • C

    M/d law abate the nuisance consisting of 149 degrees of scalding hot water-exceeding the maximum temperature of 130 degrees located at apt 2l, 2nd story, 1st apartment from south at west

    Aug 4, 2017 · Apt 2L

    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 14, 2015

    Closed — Violation dismissed
  • C

    Properly repair with similar material the broken or defective masonry facing between 3rd and 4th windows from east at the south side of the building , 1st story

    Mar 17, 2015

    Closed — Violation closed
  • C

    Provide ready access to buildings heating system , door to cellar locked

    Aug 13, 2014

    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 south at west

    Aug 13, 2014 · Apt 2L

    Closed — Violation closed
  • B

    Provide adequate lighting at or near the outside of the front entranceway of the building and keep same burning from sunset every day to sunrise on the day following 100 watts minimum required , light fixture present

    Aug 10, 2013

    Closed — Violation dismissed
  • B

    Replace with new the broken or defective ceremic floor tiles in the bathroom located at apt 4l, 4th story, apartment at west

    Oct 18, 2005 · Apt 4L

    Closed — Violation closed
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color ceiling and walls in the bathroom located at apt 4l, 4th story

    Oct 18, 2005 · Apt 4L

    Closed — Violation closed
  • B

    Repair or replace the smoke detector defective in the entire apartment located at apt 4l, 4th story, apartment at west

    Oct 18, 2005 · Apt 4L

    Closed — Violation closed
  • B

    Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. in the entire apartment located at apt 4l, 4th story, apartment at west

    Oct 18, 2005 · Apt 4L

    Closed — Violation closed
  • A

    Refit wood door in the bathroom located at apt 4l, 4th story, apartment at west

    Oct 18, 2005 · Apt 4L

    Closed — Violation closed
  • C

    Properly repair with similar material the broken or defective wood floor at kitchen sagging from west to east approx. 6 in. at a distance of about 8 feet located at apt 4l, 4th story

    Oct 18, 2005 · Apt 4L

    Closed — Violation closed
  • C

    Properly repair with similar material the broken or defective wood floor at north 2 room sagging from west to east approx. 6 in. at a distance of about 8 feet located at apt 4l, 4th story

    Oct 18, 2005 · Apt 4L

    Closed — Violation closed
  • B

    Remove all encumbrances consisting of remove all encumberances 4 sty public hall closes at public hall, 4th story

    Apr 20, 2004

    Closed — Violation closed

DOB building violations · 6

  • Plumbing none

    The borough commissioner has issued a notice to revoke application #34 0020578 due to revocation of master plumbers license #1350.all plumbin g work in connection with this application has been ordered stopped im mediately

    Dec 30, 2017

    Dob violation - dismissed
  • Fail to certify class 1 none

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

    Sep 6, 2017

    Dob violation - dismissed
  • Immediate emergency anythingoptional

    Ftm / sws

    Jun 20, 2017

    Dob violation - dismissed
  • Construction other optional

    Fm.owners resp to keep bldg in safe cond.brick masonry front wall is in state of disrepair.front brick bulging out of plumb&up to a foot out of plane,most extreme near adj 629 union st.remedy:owner hire pe eng'r to assess&report on cond of entire bldg,prep plans&obtain permit for repair by 7/31/17.engage cont'r to comp remedial work by 9/30/17

    Jun 20, 2017

    Dob violation - dismissed
  • Construction other optional

    C-construction other optional

    Oct 30, 2008

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 27, 2001

    Dob violation - dismissed

ECB violations · 6

  • Class - 2

    Failure to comply with dob requirement for permit sign off. respondent obtained permit #340220317-01-ew-ot expired on 05/29/2016. permit has not been signed off within one year following its expiration per 28-1

    Jul 31, 2023 · Penalty $6,250

    Active
  • Class - 2

    Failure to comply with dob requirement for permit sign off. respondent obtained permit #321076125-01-ew-ot expired on 08/18/2019. permit has not been signed off within one year following its expiration per 28-1

    Jul 31, 2023 · Penalty $6,250

    Active
  • Class - 2

    Failure to maintain building in code compliant manner:noted:front facade exp#1 brick wall is bulging out at left side approx 6"near of 1st fl window same condition at 2nd story left window.exp#2 in disrepair.re

    Aug 4, 2017 · Penalty $500

    Resolve
  • Class - 1

    Failure to maintain blg in code-compliant manner. noted: at front facade exp2, exterior brick wall is bulging out at left side apprx 6" near1st floor window, same condition at 2nd story left window. at 1st stor

    Jun 18, 2017 · Penalty $1,000

    Resolve
  • Class - 2

    Failure to safeguard public and property.noted:work in progress in cellar via application no. 340220317-0t and observed rebars along founda tion walls protruding out apprx 2'vertically and no rebar cabps instal

    Apr 29, 2015 · Penalty $1,200

    Resolve
  • Class - 2

    Failure to provide approved plans at site noted: work in progress in cellar via application no. 340220317-ot with workers removing dirt from cellar (excavation) and approved plans are not available for inspect

    Apr 29, 2015

    Resolve

Complaints

  • Heat/hot water

    Apartment only

    Feb 19, 2026 · Apt 2R

    Close
  • Plumbing

    Radiator

    Feb 19, 2026 · Apt 2R

    Close
  • Heat/hot water

    Apartment only

    Feb 1, 2026 · Apt 2R

    Close
  • Plumbing

    Radiator

    Feb 1, 2026 · Apt 2R

    Close
  • Unsanitary condition

    Mold

    Feb 1, 2026 · Apt 2R

    Close
  • Safety

    Fire escape

    Sep 18, 2017 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Sep 16, 2017 · Apt BLDG

    Close
  • Unsanitary condition

    Pests

    Sep 23, 2015 · Apt 4R

    Close
  • Heat/hot water

    Entire building

    Mar 14, 2015 · Apt 1R

    Close
  • Heat/hot water

    Entire building

    Aug 12, 2014 · Apt 2L

    Close
Show 7 more ↓
  • Heating

    Heat related

    Dec 5, 2008 · Apt 1R

    Close
  • General

    Floor

    Sep 23, 2005 · Apt 4L

    Close
  • Paint/plaster

    Wall

    Sep 23, 2005 · Apt 4L

    Close
  • General

    Floor

    Sep 23, 2005 · Apt 4L

    Close
  • General

    Ceramic-tile

    Sep 23, 2005 · Apt 4L

    Close
  • Nonconst

    Rubbish

    Jan 28, 2005 · Apt 4

    Close
  • Nonconst

    Illegal

    Mar 19, 2004 · Apt 4L

    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
1931
Floors
4
Residential units
8
Building area
6,160 ft²
Lot area
2,660 ft²
Zoning
M1-4/R7A
Community board
306
Council district
39
Block / lot
434 / 56
Assessed value
$1,320,750
Landmark / historic district
No

HPD registration #368469, last renewed Aug 28, 2025.

Questions about 633 Union Street

Who owns 633 Union Street?

The owner of record in NYC Department of City Planning PLUTO data is Adda 633 Union Street, LLC.

Does 633 Union Street have violations?

Yes. NYC HPD has recorded 94 housing violations at this property.

Is 633 Union Street rent stabilized?

NYC Department of Finance tax bills listed 1 rent-stabilized units here in 2024 (about 13% of its 8 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 633 Union Street built?

City records list 1931 as the year it was built.

How many apartments are in 633 Union Street?

It has 8 residential units.

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