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1121 Willoughby Avenue, Brooklyn, NY 11237

BBL 3031970048 (Block 3197, Lot 48) · BIN 3072747 · Last updated:

Summary

1121 Willoughby Avenue (Brooklyn, NY 11237) is a 6-unit walk-up apartment building (building class C2: walk-up apartments, five or six families), built around 1931, on a 2,500 sq ft lot zoned R6. City tax records list the owner as 1121 WILLOUGHBY LLC; the most recent deed with a stated price is dated August 6, 2007 at $450,000 (per ACRIS). The Department of Finance's final market value for tax year 2027 is $1,238,000. As of October 31, 2026, NYC Open Data shows six active DOB violations, 17 open HPD violations and one OATH ticket with an unpaid balance. There were nine 311 requests in the past 12 months and 20 HPD complaints since 2019.

At a glance

Lot & building

Basic facts about the tax lot and building from the city’s PLUTO database.

Owner (as listed by the city)
1121 WILLOUGHBY LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C2 – Walk-up apartments, five or six familiesThe Department of Finance’s category for what kind of building this is.
Land use
Multi-family walk-up buildingsCity Planning’s broad category of how the lot is used.
Year built
1931Often an estimate for older buildings.
Floors
3
Units
6 residential / 6 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,500 sq ft (25 ft × 100 ft)
Building floor area
4,500 sq ft
Zoning
R6The zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
1.80 built / 2.43 max residentialFloor Area Ratio = building floor area ÷ lot area. If built FAR is below the maximum, zoning may allow more floor area (other rules apply).
Identifiers
BBL 3031970048 (Borough 3, Block 3197, Lot 48) · BIN 3072747BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).

Source: PLUTO (Dept. of City Planning) — dataset updated 2026-08-24, fetched 2026-10-31; Building Footprints — dataset updated 2026-10-25, fetched 2026-10-31

Tax assessment

How the Department of Finance values this lot for property tax.

Market value (tax year 2027, final roll)
$1,238,000The Department of Finance’s estimate of value for tax purposes. It is not an appraisal and is often far from the sale price.
Assessed value
$557,100The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$73,412Assessed value minus any exemptions.
Tax class
Tax class 2A – residential rental, 4–6 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$1,238,000$557,1002A
2026Final$1,040,000$468,0002A
2025Final$1,299,600$584,8202A
2024Final$1,083,000$487,3502A
2023Final$1,091,000$490,9502A

Source: DOF Property Valuation and Assessment Data — dataset updated 2026-09-14, fetched 2026-10-31

Sales & deed history 8

Deeds recorded with the City Register (ACRIS). A deed transfers ownership. A $0 or very low price usually means a transfer between related parties, an estate, or a refinance-related transfer, not a market sale. This is not a title search; mortgages, liens and other documents are not shown.

DateTypePriceSeller (grantor)Buyer (grantee)Doc ID
2018-07-10DEED$0 / not statedJay Will Llc1121 Willoughby Llc2018071700994001
2008-08-27DEED$0 / not stated
one deed covering 2 lots; price is for all of them
Jack Will LlcJay Will Llc2008101300320001
2007-08-06DEED$450,000Dee Realty Corp.Jack Will Llc2007090700193003
1997-04-30DEED$0 / not statedZivkovic, AlexanderDee Realty CorpFT_3350005705035
1995-09-28DEED$0 / not statedMcmug CorpZivkovic, AlexanderFT_3780004985178
1985-04-01DEED$0 / not statedQuinones, JamesMc Mug CorpFT_3640001082164
1981-03-16DEED$0 / not statedMontalbano Rosalia; Montalbano Santo; Montalbano MariaQuinones JamesBK_8130122401551
1972-09-01DEED$0 / not statedCorrao Eugene; Corrao MarthaMontalbano Maria; Montalbano Rosalia; Montalbano SantoBK_7230057901155

Source: ACRIS Real Property Master — dataset updated 2026-10-08, fetched 2026-10-31; ACRIS Real Property Legals — dataset updated 2026-10-08, fetched 2026-10-31; ACRIS Real Property Parties — dataset updated 2026-10-08, fetched 2026-10-31

DOB job filings 0 open of 0

A “job” is an application to the Department of Buildings to do construction work. A job marked Permitted, not signed off had a work permit issued but the city has no record of final sign-off (inspection/completion). Old jobs left in this state are common and appear in buyer and lender due diligence; the work may or may not have been done.

No records found in this dataset for this lot.

Source: DOB NOW: Build – Job Application Filings — dataset updated 2026-10-30, fetched 2026-10-31; DOB Job Application Filings (BIS) — dataset updated 2026-10-30, fetched 2026-10-31

Work permits 0

Individual permits issued under DOB jobs (one job can have several permits, e.g. plumbing and construction). Permit expiration alone does not mean the job was completed or signed off.

No records found in this dataset for this lot.

Source: DOB NOW: Build – Approved Permits — dataset updated 2026-10-30, fetched 2026-10-31; DOB Permit Issuance (BIS) — dataset updated 2026-10-31, fetched 2026-10-31

DOB violations 6 active of 6

Violations issued by the Department of Buildings for building-code or zoning conditions. Active means DOB has not recorded the violation as resolved or dismissed. Many active DOB violations are old (e.g. elevator or boiler inspection paperwork).

StatusIssuedTypeDescriptionNumber
Active
V-DOB VIOLATION - ACTIVE
2009-12-31LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDV123109LBLVIO13779
Active
V-DOB VIOLATION - ACTIVE
2004-02-13LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV021304LL629113340
Active
V-DOB VIOLATION - ACTIVE
2003-03-19LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV031903LL629118640
Active
V-DOB VIOLATION - ACTIVE
1999-03-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV031699LL629119038
Active
V-DOB VIOLATION - ACTIVE
1998-05-04LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV050498LL629117889
Active
V-DOB VIOLATION - ACTIVE
1993-08-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV081693LL629122162

Source: DOB Violations — dataset updated 2026-10-31, fetched 2026-10-31

ECB violations (DOB) 0 active of 0

DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active means the condition has not been certified as corrected and/or the case is not resolved. A balance due is a fine the city says is unpaid.

No records found in this dataset for this lot.

Source: DOB ECB Violations — dataset updated 2026-10-31, fetched 2026-10-31

OATH tickets (all agencies) 1 unpaid of 17

Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s address. Default means the respondent did not appear at the hearing, which typically results in the maximum penalty. Tickets may be issued to tenants or businesses at the address, not just the owner. DOB ECB tickets appear here too.

StatusDateAgencyChargeRespondentImposed / paid / balanceTicket #
Unpaid balance Default
DEFAULTED · DEFAULTED
2024-10-15Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STWILLOUGHBY LLC$600 / $0 / $6000803229058
Hearing pending
NEW ISSUANCE
2026-09-17Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STC O MANAGEMENT$300 / $0 / $3000803975361
No balance due
PAID IN FULL
2026-05-05Sanitation OthersFAIL TO RECYCLE ORGANIC WASTE 1-8 DWELLING UNITS 1ST1121 WILLOUGHBY LLC$25 / $25 / $0049789109K
Hearing pending Default
RESCHEDULED · DEFAULTED
2026-04-10Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STLLC$330 / $0 / $3300803804816
No balance due
PAID IN FULL
2025-02-22Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET1121 WILLOUGHBY LLC$50 / $50 / $0048915520Z
No balance due
PAID IN FULL
2025-02-14Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET1121 WILLOUGHBY LLC$50 / $50 / $0048963064K
No balance due
PAID IN FULL
2024-09-11Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET1121 WILLOUGHBY LLC$50 / $50 / $0048610714J
No balance due
PAID IN FULL
2024-04-18Pcs - DohmhFAIL TO ELIMINATE CONDITIONS CONDUCIVE TO PESTS, GARBAGE CANS SPILLAGELLC$300 / $300 / $00803032378
No balance due
HEARING COMPLETED · DISMISSED
2024-04-18Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STLLC$0 / $0 / $00803032387
No balance due
PAID IN FULL
2023-04-19Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET1121 WILLOUGHBY LLC$50 / $50 / $0047878863Y
No balance due
PAID IN FULL · IN VIOLATION
2022-10-12Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STLLC$300 / $300 / $00802442484
No balance due Default
PAID IN FULL · DEFAULTED
2022-03-28Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STC O MGMT$600 / $450 / $00802218515

Showing 12 of 17 records. See the source dataset for the full list.

Source: OATH Hearings Division Case Status — dataset updated 2026-10-31, fetched 2026-10-31

HPD registration & contacts

Owners of most rental buildings must register with the Department of Housing Preservation and Development each year and list an owner and managing agent.

HPD building ID
396133
Last registered
2026-08-07
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
IndividualownerHerman MauskopfBrooklyn, Ny
SitemanagerHerman Mauskopf
LesseeHerman MauskopfJAY WILL LLCBrooklyn, Ny

Source: HPD Multiple Dwelling Registrations — dataset updated 2026-10-28, fetched 2026-10-31; HPD Registration Contacts — dataset updated 2026-10-28, fetched 2026-10-31

HPD housing-code violations 17 open of 56

Violations HPD inspectors issued for conditions in residential buildings (heat, leaks, mold, pests, lead paint, etc.). Class letters show how serious: Class A – non-hazardous (HPD gives 90 days to correct); Class B – hazardous (30 days to correct); Class C – immediately hazardous (24 hours to correct for most conditions); Class I – information / order (e.g. orders to register, lead or other administrative orders). Open means HPD has not recorded the condition as corrected.

StatusClassIssuedAptCondition
Open
Nov Sent Out · 2026-07-23
B2026-07-232L§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 3rd ROOM FROM NORTH LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST
Open
Nov Sent Out · 2026-07-23
B2026-07-232L§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC FLOOR TILES IN THE BATHROOM LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST
Open
Nov Sent Out · 2026-07-23
A2026-07-232L§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CAULKING AROUND BATHTUB IN THE BATHROOM LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST
Open
Nov Sent Out · 2026-07-23
B2026-07-232L§ 27-2026 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS AT SINK IN THE KITCHEN LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST
Open
Nov Sent Out · 2026-07-23
B2026-07-232L§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF AIR CONDITIONER INSTALLED AT FIRE ESCAPE WINDOW IN THE KITCHEN LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST
Open
Notice Of Issuance Sent To Tenant · 2026-07-23
C2026-07-232LHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST
Open
Civ14 Mailed · 2026-09-11
B2026-07-232L§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE MORTISE LOCK AT DOOR IN THE ENTRANCE LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST
Open
Nov Sent Out · 2026-07-23
B2026-07-232L§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 4th ROOM FROM NORTH LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST
Open
Nov Sent Out · 2019-10-21
B2019-10-212L§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE TIN CEILING IN THE KITCHEN LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST
Open
Nov Certified Late · 2019-11-25
C2019-10-212LHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF RODENTS RATS IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST
Open
Nov Sent Out · 2019-10-08
B2019-10-08§ 27-2005 ADM CODE PROVIDE SUPPORT BRACKETS FOR AIR CONDITIONERS ON 2ND AND 3RD STORIES AT SOUTH EXTERIOR WALL OF BUILDING (FRONT OF BUILDING)
Open
Nov Sent Out · 2019-10-08
B2019-10-082L§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE METAL TIN AT CEILING IN THE KITCHEN LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH
Open
Nov Certified Late · 2019-11-27
C2019-10-072LHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF RODENTS RATS IN THE KITCHEN LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH
Open
Nov Sent Out · 2019-08-22
B2019-08-221L§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE KITCHEN LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST
Open
Invalid Certification · 2019-09-24
C2019-08-221L§ 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) 1st CLOSET FROM NORTH AT EAST WALL DOOR, 2nd C
Open
Not Complied With · 2019-08-14
A2019-06-061L§ 213, SUBD. 5 M/D LAW DISCONTINUE USE OF INTERIOR ROOM FOR LIVING OR PROVIDE A SINGLE OPENING OF AT LEAST 60 PERCENT OF AREA OF THE PARTITION TO ROOM HAVING WINDOW OPENING DIRECTLY TO STREET OR YARD , IN THE 3rd ROOM FROM NORTH LOCATED AT APT 1L, 1st STORY, 1
Open
Not Complied With · 2019-08-14
A2019-06-061L§ 213, SUBD. 5 M/D LAW DISCONTINUE USE OF INTERIOR ROOM FOR LIVING OR PROVIDE A SINGLE OPENING OF AT LEAST 60 PERCENT OF AREA OF THE PARTITION TO ROOM HAVING WINDOW OPENING DIRECTLY TO STREET OR YARD , IN THE 2nd ROOM FROM NORTH LOCATED AT APT 1L, 1st STORY, 1
Closed
Violation Dismissed · 2026-10-15
C2026-07-23§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF FREE STANDING RADIATOR AT PUBLIC HALL, 2nd STORY
Closed
Violation Closed · 2026-08-09
C2026-07-23§ 27-2044, 2041.1 HMC: §238 MDL and 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING THE DOORS THAT IS MISSING OR DEFECTIVE CLOSER ARM AT VESTIBULE DOOR , 1st STORY
Closed
Violation Dismissed · 2023-06-05
A2023-03-27(A) § HMC: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.

Showing 20 of 56 records — open violations are listed first; the JSON API lists every open one. See the source dataset for the full list.

Source: HPD Housing Maintenance Code Violations — dataset updated 2026-10-31, fetched 2026-10-31

HPD complaints 20

Complaints tenants or others made to HPD (usually via 311) about housing conditions, from 2019 onward. A complaint is not a violation; HPD may inspect and issue one.

ReceivedStatusAptProblem(s)Outcome
2026-07-06CLOSE2LPlumbing – Basin/Sink
Door/Window – Door
Paint/Plaster – Wall
Unsanitary Condition – Mold
Flooring/Stairs – Floor
HPD conducted an inspection of this complaint. The conditions observed by the inspector did not violate the housing laws enforced by HPD. The complaint has been closed.
2026-03-11CLOSEBLDGUnsanitary Condition – Garbage/Recycling StorageHPD conducted an inspection of this complaint. The conditions observed by the inspector did not violate the housing laws enforced by HPD. The complaint has been closed.
2019-10-01CLOSE2LUnsanitary Condition – Mold
Paint/Plaster – Cabinet
Electric – No Lighting
Paint/Plaster – Wall
Paint/Plaster – Ceiling
The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed.
2019-09-12CLOSE2LUnsanitary Condition – Pests
Paint/Plaster – Wall
Paint/Plaster – Cabinet
Unsanitary Condition – Mold
The Department of Housing Preservation and Development was not able to gain access to inspect the following conditions. The complaint has been closed. If the condition still exists, please file a new
2019-09-12CLOSE2LElectric – No LightingThe Department of Housing Preservation and Development was not able to gain access to inspect the following conditions. The complaint has been closed. If the condition still exists, please file a new
2019-06-22CLOSE1RPlumbing – Basin/Sink
Unsanitary Condition – Mold
Paint/Plaster – Wall
Unsanitary Condition – Pests
The Department of Housing Preservation and Development contacted an occupant of the apartment and verified that the following conditions were corrected. The complaint has been closed. If the condition
2019-05-31CLOSE1LGeneral – Cabinet
Water Leak – Heavy Flow
Plumbing – Basin/Sink
The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed.
2015-08-19CLOSE3RUnsanitary Condition – Pests
Door/Window – Door Frame
Plumbing – Basin/Sink
Electric – Wiring
The Department of Housing Preservation and Development was not able to gain access to inspect the following conditions. The complaint has been closed. If the condition still exists, please file a new
2015-01-07CLOSE2LAppliance – Refrigerator
Door/Window – Window Frame
The Department of Housing Preservation and Development inspected the following conditions. Violations were issued. Information about specific violations is available at www.nyc.gov/hpd
2014-12-22CLOSE2LAppliance – Refrigerator
Door/Window – Window Frame
The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed.

Showing 10 of 20 records. See the source dataset for the full list.

Source: HPD Housing Maintenance Code Complaints and Problems — dataset updated 2026-10-31, fetched 2026-10-31

311 requests (last 12 months) 9

Recent 311 service requests the city geocoded to this lot: noise, illegal parking, heat, sanitation and more. Anyone can file them, so they describe activity at or near the address, not necessarily the building itself.

OpenedAgencyComplaintStatusClosed
2026-08-17DOHMHRodent – Rat SightingClosed2026-08-26
2026-07-06HPDPLUMBING – BASIN/SINKClosed2026-07-22
2026-07-06HPDFLOORING/STAIRS – FLOORClosed2026-07-22
2026-07-06HPDPAINT/PLASTER – WALLClosed2026-07-22
2026-07-06HPDPAINT/PLASTER – WALLClosed2026-07-22
2026-07-06HPDDOOR/WINDOW – DOORClosed2026-07-22
2026-07-06HPDUNSANITARY CONDITION – MOLDClosed2026-07-22
2026-03-11HPDUNSANITARY CONDITION – GARBAGE/RECYCLING STORAGEClosed2026-05-15
2026-03-11HPDUNSANITARY CONDITION – GARBAGE/RECYCLING STORAGEClosed2026-05-15

Source: 311 Service Requests from 2020 to Present — dataset updated 2026-10-31, fetched 2026-10-31

Nearby properties

On Willoughby Ave

Same tax block (3197)

All properties on Willoughby Ave · All of 11237 (Bushwick)

Data as of October 31, 2026 (cached NYC Open Data; each section shows its own dataset date). Machine-readable: /api/property/3031970048.json