3921 5 Avenue
Brooklyn, NY 11232BBL 3-00913-0001Map
Owner of record: Mazza, Michael
3921 5 Avenue is a walk-up apartment building built in 1925 in Brooklyn, 11232. It has 10 residential units across 4 floors. The owner of record is Mazza, Michael. HPD has recorded 111 housing violations here, most recently on April 30, 2026. 26 of the 50 most recent violations are still open. City tax records listed 5 rent-stabilized apartments here in 2024.
- HPD violations
- 111
- DOB violations
- 10
- ECB violations
- 3
- HPD complaints
- 162
What to know
Immediately hazardous issues among recent violations are still open.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
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.
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 · 111
- ANon-hazardous
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 30, 2026
Open — Nov sent out - BHazardous
Remove all encumbrances consisting of freezer and household items at public hall, 1st story
Jul 10, 2025
Open — Nov sent out - ANon-hazardous
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 5, 2025
Open — Nov sent out - CImmediately hazardous
Provide ready access to buildings heating system locked door at boiler room
Jul 17, 2024
Open — Not complied with - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 7, 4th story, 1st apartment from west at north
Jul 17, 2024 · Apt 7
Closed — Violation closed - BHazardous
Properly repair or replace the broken or defective counter balance at lower sash window in the bathroom located at apt 7, 4th story, 1st apartment from west at north
Jul 17, 2024 · Apt 7
Open — Nov sent out - ANon-hazardous
Trace and repair the source and abate the visible mold condition... less than 10 sq ft at window recess at east in the bathroom located at apt 7, 4th story, 1st apartment from west at north
Jul 17, 2024 · Apt 7
Closed — Violation closed - ANon-hazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at window recess at north wall in the 1st room from north at west located at apt 7, 4th story, 1st apartment from west at north
Jul 17, 2024 · Apt 7
Open — Nov sent out - BHazardous
Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 7, 4th story, 1st apartment from west at north
Jul 17, 2024 · Apt 7
Open — Nov sent out - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 7, 4th story, 1st apartment from west at north
Jul 17, 2024 · Apt 7
Open — Notice of issuance sent to tenant
Show 40 more ↓
- BHazardous
Repair the roof so that it will not leak over the ceiling in the 2nd room from north at west located at apt 7, 4th story, 1st apartment from west at north
Jul 17, 2024 · Apt 7
Open — Nov sent out - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at west wall and ceiling in the 2nd room from north at west located at apt 7, 4th story, 1st apartment from west at north
Jul 17, 2024 · Apt 7
Open — Nov sent out - BHazardous
Properly repair with similar material the broken or defective brick and mortar joints at 1st window from north at west exterior wall , 4th story
Jul 17, 2024
Open — Nov sent out - BHazardous
Properly repair with similar material the broken or defective brick and mortar joints at 1st and 2nd window from east at north exterior wall , 4th story
Jul 17, 2024
Open — Nov sent out - BHazardous
Properly repair with similar material the broken or defective brick and mortar joints at 3rd window from east at north exterior wall , 4th story
Jul 17, 2024
Open — Nov sent out - BHazardous
Trace and repair the source and abate the visible mold condition... less than 10 sq ft at window recess at east in the bathroom located at apt 7, 4th story, 1st apartment from west at north original violation 17117562 issued 17-jul-24 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).
Jul 17, 2024 · Apt 7
Open — First no access to re- inspect violation - ANon-hazardous
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 3, 2024
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department all walls at all stories at public hall
Jan 7, 2024
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective marble thread first from bottom at public hall stairs, 1st story
Jan 7, 2024
Open — Nov certified late - 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.
Nov 22, 2023
Closed — Violation dismissed - ANon-hazardous
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 20, 2023
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.
Nov 14, 2022
Closed — Violation dismissed - CImmediately hazardous
Install the missing or repair/replace the defective window guard(s) throughout the public areas in accordance with the specifications of the new york city health code section 24 rcny chapter 12.
Jul 18, 2022
Closed — Violation closed - CImmediately hazardous
Replace with new the broken or defective 6th marble tread from bottom at public hall stairs, 4th story
Apr 15, 2022
Closed — Violation closed - 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
Apr 15, 2022
Open — Nov sent out - 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 15, 2022
Open — Nov sent out - ANon-hazardous
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.
Feb 18, 2022
Closed — Violation dismissed - CImmediately hazardous
Code: arrange and make self-closing the doors in the entrance located at apt 7, 4th story, 1st apartment from west at north
Oct 26, 2021 · Apt 7
Open — Invalid certification - BHazardous
Trace and repair the source and abate the visible mold condition... approximately 75 square feet, on the ceiling and north and east walls at 1st public hall bulkhead from east at south, 4th story
Oct 26, 2021
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department the ceiling of the intermediate landing at public hall stairs, 2nd story
Oct 26, 2021
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective fire retardant material on the ceiling of the intermediate landing at public hall stairs, 2nd story
Oct 26, 2021
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department the ceiling of the intermediate landing at public hall stairs, 3rd story
Oct 26, 2021
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective fire retardant material on the ceiling of the intermediate landing at public hall stairs, 3rd story
Oct 26, 2021
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department the ceiling and walls at 1st public hall bulkhead from east at south, 4th story
Oct 26, 2021
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective fire retatdant material on the ceiling and north and east walls at 1st public hall bulkhead from east at south, 4th story
Oct 26, 2021
Closed — Violation dismissed - CImmediately hazardous
Repair the roof so that it will not leak at the ceiling at 1st public hall bulkhead from east at south, 4th story
Oct 26, 2021
Closed — Violation closed - CImmediately hazardous
Repair the roof so that it will not leak at the ceiling at public hall, 4th story
Oct 26, 2021
Closed — Violation closed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling and west wall in the 2nd room from north at west located at apt 7, 4th story, 1st apartment from west at north
Oct 26, 2021 · Apt 7
Closed — Violation dismissed - CImmediately hazardous
Repair the roof so that it will not leak at the ceiling and west wall in the 2nd room from north at west located at apt 7, 4th story, 1st apartment from west at north
Oct 26, 2021 · Apt 7
Open — Nov certified late - CImmediately hazardous
Properly repair the source and abate the evidence of a water leak the ceiling and north wall in the 1st room from north located at apt 7, 4th story, 1st apartment from west at north
Oct 26, 2021 · Apt 7
Open — Nov certified late - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt apt7, 4th story, 1st apartment from west at north
Oct 26, 2021 · Apt APT7
Closed — Violation dismissed - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt apt7, 4th story, 1st apartment from west at north
Oct 26, 2021 · Apt APT7
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective wood floor in the kitchen located at apt apt7, 4th story, 1st apartment from west at north
Oct 26, 2021 · Apt APT7
Closed — Violation dismissed - BHazardous
Properly repair the broken or defective the upper and lower sashes of the windows in the entire apartment located at apt apt7, 4th story, 1st apartment from west at north
Oct 26, 2021 · Apt APT7
Closed — Violation dismissed - ANon-hazardous
Properly repair with similar material the broken or defective vinyl tile at floor in the kitchen located at apt 7, 4th story, 1st apartment from west at north
Aug 25, 2021 · Apt 7
Open — Nov sent out - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color window recess at west wall in the 2nd room from north located at apt 7, 4th story, 1st apartment from west at north
Aug 25, 2021 · Apt 7
Open — Nov sent out - ANon-hazardous
Properly repair with similar material the broken or defective vinyl tile at floor in the 2nd room from north located at apt 7, 4th story, 1st apartment from west at north
Aug 25, 2021 · Apt 7
Open — Nov sent out - BHazardous
Properly secure the loose lower sash at window in the 1st bathroom from north located at apt 7, 4th story, 1st apartment from west at north
Aug 25, 2021 · Apt 7
Open — Nov sent out - BHazardous
Properly repair the broken or defective spring balance lower window sash at window in the kitchen located at apt 7, 4th story, 1st apartment from west at north
Aug 25, 2021 · Apt 7
Open — Nov sent out - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color window recess at north in the 1st room from north located at apt 7, 4th story, 1st apartment from west at north
Aug 25, 2021 · Apt 7
Open — Nov sent out
DOB building violations · 10
- 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 - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 19, 2007
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 6, 2006
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 31, 2005
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 13, 2004
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 19, 2003
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 7, 2000
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
May 4, 1998
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 16, 1993
Dob violation - active
ECB violations · 3
- Class - 2
Failure to maintain building wall(s) or appurtenances.noted: at main entrance front of bldg decorative stone column (upright) and arch are showing signs of separation & potentially pulling away from facade.mak
Dec 12, 2014
Resolve - Hazardous
Work w/o a permit/hazardous work noted/at cellar -accessible from restuarant at 511 40 st rear stair.sink for food preparations and bar withglass block and 4 burner gas stove and gas piping and water closet
Oct 17, 2003 · Penalty $800
Active - Non-hazardous
Occupancy contrary to that allowed by the c/o #73120 issued 3/15/1934.from cellar with ordinary use to:cellar used for food preparartion for resturant at 511 40 st at 1st flr above with sink, bar and 4 burner
Oct 17, 2003 · Penalty $400
Active
Complaints
- Heat/hot water
Entire building
Jul 15, 2024 · Apt BLDG
Close - Heat/hot water
Entire building
Jan 6, 2024 · Apt BLDG
Close - Paint/plaster
Wall
Aug 31, 2023 · Apt BLDG
Close - Flooring/stairs
Floor
Aug 31, 2023 · Apt BLDG
Close - Paint/plaster
Ceiling
Aug 31, 2023 · Apt BLDG
Close - Heat/hot water
Apartment only
Aug 29, 2023 · Apt 5
Close - Safety
Carbon monoxide detector
Aug 29, 2023 · Apt 5
Close - Safety
Smoke detector
Aug 29, 2023 · Apt 5
Close - Door/window
Door
Aug 29, 2023 · Apt 5
Close - Heat/hot water
Entire building
Nov 19, 2022 · Apt BLDG
Close
Show 40 more ↓
- Door/window
Window frame
Jul 14, 2022 · Apt 2
Close - Unsanitary condition
Pests
Oct 25, 2021 · Apt APT7
Close - Paint/plaster
Ceiling
Oct 25, 2021 · Apt APT7
Close - Unsanitary condition
Pests
Oct 25, 2021 · Apt APT7
Close - Flooring/stairs
Floor
Oct 25, 2021 · Apt APT7
Close - Door/window
Window frame
Oct 25, 2021 · Apt APT7
Close - Door/window
Window frame
Aug 23, 2021 · Apt 7
Close - Heat/hot water
Entire building
Jun 6, 2021 · Apt 8
Close - Water leak
Heavy flow
Jun 5, 2019 · Apt 7
Close - Water leak
Heavy flow
Jun 5, 2019 · Apt 7
Close - Water leak
Heavy flow
Jul 25, 2018 · Apt 5
Close - Heat/hot water
Entire building
Jan 7, 2017 · Apt 5
Close - Heat/hot water
Entire building
Dec 15, 2016 · Apt BLDG
Close - Heat/hot water
Entire building
Dec 13, 2016 · Apt 3
Close - Paint/plaster
Ceiling
Feb 4, 2016 · Apt 6
Close - Water leak
Heavy flow
Jan 14, 2016 · Apt 6
Close - Paint/plaster
Ceiling
Jan 14, 2016 · Apt 6
Close - Paint/plaster
Ceiling
Aug 24, 2015 · Apt 5
Close - Unsanitary condition
Pests
Aug 24, 2015 · Apt 5
Close - Door/window
Window pane
Aug 24, 2015 · Apt 5
Close - Paint/plaster
Ceiling
Aug 24, 2015 · Apt 5
Close - Paint/plaster
Wall
Aug 24, 2015 · Apt 5
Close - Unsanitary condition
Pests
Aug 24, 2015 · Apt 5
Close - Paint/plaster
Wall
Aug 24, 2015 · Apt 5
Close - Flooring/stairs
Floor
Aug 24, 2015 · Apt 5
Close - Water leak
Heavy flow
Aug 18, 2015 · Apt 2
Close - Heat/hot water
Entire building
Dec 15, 2014 · Apt 1
Close - Heat/hot water
Entire building
Dec 11, 2014 · Apt 7
Close - Heat/hot water
Entire building
Dec 11, 2014 · Apt 2
Close - Heat/hot water
Entire building
Nov 2, 2014 · Apt BLDG
Close - Heating
Heat related
Feb 24, 2014 · Apt NA
Close - Heating
Heat related
Feb 24, 2014 · Apt NA
Close - Heating
Heat related
Dec 16, 2013 · Apt 5
Close - General
Floor
Apr 5, 2011 · Apt 5
Close - Appliance
Refrigerator
Apr 5, 2011 · Apt 5
Close - Appliance
Electric/gas range
Apr 5, 2011 · Apt 5
Close - Nonconst
Vermin
Aug 24, 2010 · Apt 6
Close - Heating
Heat related
Oct 15, 2009 · Apt 6
Close - Heating
Heat related
Sep 25, 2008 · Apt 8
Close - Heating
Heat related
Sep 24, 2008 · Apt 9
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C7)
- Year built
- 1925
- Floors
- 4
- Residential units
- 10
- Building area
- 8,760 ft²
- Lot area
- 2,517 ft²
- Zoning
- R6A
- Community board
- 307
- Council district
- 38
- Block / lot
- 913 / 1
- Assessed value
- $1,024,650
- Landmark / historic district
- No
HPD registration #314968, last renewed Jul 17, 2025.
Questions about 3921 5 Avenue
Who owns 3921 5 Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Mazza, Michael.
Does 3921 5 Avenue have violations?
Yes. NYC HPD has recorded 111 housing violations at this property.
Is 3921 5 Avenue rent stabilized?
NYC Department of Finance tax bills listed 5 rent-stabilized units here in 2024 (about 50% of its 10 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 3921 5 Avenue built?
City records list 1925 as the year it was built.
How many apartments are in 3921 5 Avenue?
It has 10 residential units and 16 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.