623 Willoughby Avenue
Brooklyn, NY 11206BBL 3-01760-0062Map
Owner of record: 623 And Mazel LLC
623 Willoughby Avenue is a walk-up apartment building built in 1901 in Brooklyn, 11206. It has 3 residential units across 3 floors. The owner of record is 623 And Mazel LLC. HPD has recorded 16 housing violations here, most recently on May 6, 2026. 10 of the 16 most recent violations are still open.
- HPD violations
- 16
- DOB violations
- 0
- ECB violations
- 0
- HPD complaints
- 6
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 · 16
- 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.
May 6, 2026
Open — Nov sent out - 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 18, 2025
Open — Info 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 11, 2025
Open — Nov sent out - 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 25, 2024
Open — Info 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.
Apr 12, 2024
Open — Nov sent out - BHazardous
Properly secure the loose at cornice at building front
Jun 14, 2023
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.
Mar 27, 2023
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.
Mar 2, 2022
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.
Apr 13, 2021
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.
Apr 13, 2021
Closed — Violation dismissed
Show 6 more ↓
- BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color west and north walls in the 2nd room from north located at apt 1floor, 1st story, 1st apartment from south at west
Sep 26, 2020 · Apt 1FLOOR
Open — Nov sent out - BHazardous
Repair or replace the carbon monoxide detecting device(s). -missing- in the entire apartment located at apt 1floor, 1st story, 1st apartment from south at west
Sep 26, 2020 · Apt 1FLOOR
Open — Nov sent out - BHazardous
Repair or replace the smoke detector -missing- in the entire apartment located at apt 1floor, 1st story, 1st apartment from south at west
Sep 26, 2020 · Apt 1FLOOR
Open — Nov sent out - CImmediately hazardous
Arrange and make self-closing the doors ... in the entrance located at apt 1floor, 1st story, 1st apartment from south at west
Sep 26, 2020 · Apt 1FLOOR
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 31, 2019
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 22, 2018
Closed — Violation dismissed
DOB building violations · 0
No DOB violations on record
ECB violations · 0
No ECB violations on record
Complaints
- Appliance
Refrigerator
Sep 28, 2022 · Apt 4
Close - Unsanitary condition
Mold
Sep 21, 2020 · Apt 1FLOOR
Close - Electric
Lighting
Oct 17, 2011 · Apt BLDG
Close - Plumbing
Water-leaks
Oct 1, 2009 · Apt 2
Close - Plumbing
Bathtub/shower
Oct 1, 2009 · Apt 2
Close - General
Windows
Oct 1, 2009 · Apt 2
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C0)
- Year built
- 1901
- Floors
- 3
- Residential units
- 3
- Building area
- 3,200 ft²
- Lot area
- 2,000 ft²
- Zoning
- R6B
- Community board
- 303
- Council district
- 36
- Block / lot
- 1760 / 62
- Assessed value
- $136,020
- Landmark / historic district
- No
HPD registration #353793, last renewed Sep 11, 2023.
Questions about 623 Willoughby Avenue
Who owns 623 Willoughby Avenue?
The owner of record in NYC Department of City Planning PLUTO data is 623 And Mazel LLC.
Does 623 Willoughby Avenue have violations?
Yes. NYC HPD has recorded 16 housing violations at this property.
Is 623 Willoughby 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 623 Willoughby Avenue built?
City records list 1901 as the year it was built.
How many apartments are in 623 Willoughby Avenue?
It has 3 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.