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491 Warwick Street, Brooklyn, NY 11207

BBL 3040310011 (Borough 3, Block 4031, Lot 11) · BIN 3089463 · Last updated:

Summary · as of November 6, 2026

491 Warwick Street (Brooklyn, NY 11207; tax lot BBL 3040310011) is a two-family home (building class B1: two-family home, brick), built around 1899, on a 1,800 sq ft lot zoned R5. City tax records list the owner as WILLIAMS, GERTIE M. The Department of Finance's final market value for tax year 2027 is $710,000. As of November 6, 2026, NYC Open Data shows one active ECB violation, one open HPD violation and three OATH tickets with an unpaid balance. There were no 311 requests in the past 12 months and one HPD complaint since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
WILLIAMS, GERTIE M
Building class
B1 · Two-family home, brick
Year built · units
1899 · 2 res.
Lot area · zoning
1,800 sq ft · R5
Market value (DOF)
$710,000 FY2027
Last priced deed
—
BBL
3040310011
BIN
3089463

How to cite: NYC Property Facts, “491 Warwick Street, Brooklyn, NY 11207 (BBL 3040310011)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/491-warwick-street-3040310011. Source: NYC Open Data.

Lot & building

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

Owner (as listed by the city)
WILLIAMS, GERTIE MThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
B1 – Two-family home, brickThe Department of Finance’s category for what kind of building this is.
Land use
One- & two-family buildingsCity Planning’s broad category of how the lot is used.
Year built
1899Often an estimate for older buildings.
Floors
2
Units
2 residential / 2 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
1,800 sq ft (20 ft × 90 ft)
Building floor area
2,000 sq ft
Zoning
R5The zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
1.11 built / 1.50 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 3040310011 (Borough 3, Block 4031, Lot 11) · BIN 3089463BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).

Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; data as of 2026-11-07; Building Footprints — city dataset updated 2026-10-25; data as of 2026-11-01

Tax assessment

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

Market value (tax year 2027, final roll)
$710,000The 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
$42,600The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$2,730Assessed value minus any exemptions.
Tax class
Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
Tax yearRollMarket valueAssessed valueTax class
2027Final$710,000$42,6001
2026Final$659,000$39,5401
2025Final$775,000$46,5001

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-07

Sales & deed history 5

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
1997-08-01DEED$0 / not statedAdrian Properties IncWilliams, Gertie M; Washington, Christopher; Mehouse, Essie LiFT_3640005783964
1996-10-02DEED$0 / not statedMongroe, Rhea HallAdrian Properties Inc.FT_3480005424648
1990-10-05DEED$0 / not statedCity Of New YorkMongroe, Rhea HallFT_3230001575523
1982-08-17DEED$0 / not stated
one deed covering 3581 lots; price is for all of them
Commissioner FinancenyNew York CityFT_3250000923125
1967-01-17DEED$0 / not statedGonzalez Carmen; Gonzalez EleuterioHardy Henrietta; Hardy WilliamBK_6730034000272

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-07; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-07; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-07

DOB job filings 0 open of 5

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.

StatusJob #TypeFiledEst. cost
Not open
LOC Issued · 2025-06-17
B01161004-I1
DOB NOW
Alteration2025-02-11$5,000
Not open
LOC Issued · 2026-03-05
B01177293-I1
DOB NOW
Alteration2025-02-06$19,000
Not open
LOC Issued · 2025-06-17
B01143623-I1
DOB NOW
Alteration2025-02-05$6,000
Not open
LOC Issued · 2025-06-17
B01142942-I1
DOB NOW
Full Demolition2025-01-08$452,406
Not open
SIGNED OFF · 1997-09-24
300496050
BIS
A1 – Major alteration (changes use, egress or occupancy)1996-01-19$40,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-06; data as of 2026-11-07; DOB Job Application Filings (BIS) — city dataset updated 2026-11-05; data as of 2026-11-06

Work permits 6

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.

IssuedExpiresJob #WorkPermit status
2025-02-182025-12-31B01161004-I1
DOB NOW
General Construction
ERECTING A CMU REINFORCED WALL AGAINST THE PARTY WALL FOUNDATION WITH A CONCRETE FOOTING TO HOLD BACKFILL FOR HPD EMERGENCY DEC# 18685
Signed-off
2025-02-132025-12-31B01142942-I1
DOB NOW
Full Demolition
Full demolition of 2 story residential building to comply with NYC HPD Emergency Declaration, DEC# 18685
Signed-off
2025-02-072025-12-31B01143623-I1
DOB NOW
Construction Fence
Filed Herewith; 8-Foot-High Plywood Construction Fence Application in conjunction with Demolition Application #B01142942-I1
Signed-off
2025-02-072026-02-07B01177293-I1
DOB NOW
Sidewalk Shed
HEAVYDUTY SWS IN ORDER TO DEMOLISH THE HOUSE AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION. HEAVY DUTY SWS SHALL COMPLY WITH CH.
Signed-off
1997-03-191997-08-02300496050
BIS
Plumbing / PlumbingISSUED (initial)
1997-01-101997-06-11300496050
BIS
AlterationISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-06; data as of 2026-11-07; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; data as of 2026-11-07

DOB violations 0 active of 3

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
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2024-09-13EGNCY-EMERGENCY NONEFULLY DEMOLISH BUILDING. GRADE AND FENCE SITEV*091324EGNCY18685
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2024-09-11IMEGNCY-IMMEDIATE EMERGENCY ANYTHINGOPTIONALSEAL ALL ACCESSIBLE ENTRANCES AT ALL EXPOSURESV*091124IMEGNCY18679
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2022-09-28UB-UNSAFE BUILDINGS NONEV*092822UB3794/22

Source: DOB Violations — city dataset updated 2026-11-06; data as of 2026-11-07

ECB violations (DOB) 1 active of 1

DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active or Resolved follows the DOB violation status field. The hearing status is about the hearing and its penalty: written off means the city stopped collecting the fine, not that the condition was corrected. A balance due is a fine the city says is unpaid.

StatusIssuedSeverityWhat it was forPenalty / paid / balanceECB #
Active
Hearing: DEFAULT · Certification: NO COMPLIANCE RECORDED
2024-09-10CLASS - 1FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER: AT THE TIME OF INSPECTION, OBSERVED BUILDING IN COMPLETE DISREPAIR WITH PILES OF WET GARBAGE, DEBRIS AND MOLD. WALLS WITH HUGE HOLES AND BROKEN WOOD. DAMAG$6,250 / $0 / $6,25039124442P

Source: DOB ECB Violations — city dataset updated 2026-11-06; data as of 2026-11-07

OATH tickets (all agencies) 3 unpaid of 11

Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s block and lot. 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
DOCKETED · DEFAULTED
2024-09-10Dept. Of BuildingsFAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNERWILLIAMS GERTIE M$6,250 / $0 / $6,250039124442P
Unpaid balance
HEARING COMPLETED · IN VIOLATION
2020-09-08Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STWILLIAMS GERTIE M$300 / $0 / $3000801895481
Unpaid balance Default
DOCKETED · DEFAULTED
2019-05-14Sanitation RecyclingRECYC PLACED FOR COLLECTION W NON-RECYC 1 TO 8 DWELLING UNITSWILLIAMS$25 / $0 / $25046207119M
No balance due
PAID IN FULL
2020-01-31Sanitation RecyclingIMPROPER MISUSED CURBSIDE RECYCLING CONTAINER 1 TO 8 DWELLING UNITSWILLIAMS$25 / $25 / $0045448606K
No balance due
PAID IN FULL
2017-12-29Dos - Enforcement AgentsIMPROPER MISUSED CURBSIDE RECYCLING CONTAINER 1 TO 8 DWELLING UNITSWILLIAMS$25 / $25 / $0044742362Y
No balance due
WRITTEN OFF · WRITTEN OFF
2015-03-28Dos - Enforcement AgentsUNCOVERED RECEPTACLES 1ST OFFENSEWILLIAMS$300 / $0 / $0041316032K
No balance due
PAID IN FULL
2014-11-08Sanitation DeptFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSWILLIAMS$25 / $25 / —042014984K
No balance due
PAID IN FULL
2011-12-18Sanitation PoliceSTORAGE OF RECEPTACLESWILLIAMS$100 / $100 / —040406171N
No balance due
PAID IN FULL
2009-01-20Sanitation RecyclingIMPROPER MISUSED CURBSIDE RECYCLING CONTAINERWILLIAMS$25 / $25 / —040590281R
No balance due
PAID IN FULL
2002-12-17$25 / $25 / —0132075608
No balance due
PAID IN FULL
2000-06-13$50 / $50 / —0116056142

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-06; data as of 2026-11-06

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.

No HPD registration found. Registration is required for buildings with 3 or more apartments (and for 1–2 family homes where neither the owner nor family lives there).

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-07; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-07

HPD housing-code violations 1 open of 2

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
Info Nov Sent Out · 2023-12-26
I2023-12-22§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Closed
Violation Closed · 2024-11-27
C2023-12-22§ 27-2005 ADM CODE PROVIDE SEAL UP OF ALL ACCESSIBLE OPENING

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-06; data as of 2026-11-07

HPD complaints 1

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
2022-02-08CLOSE1Unsanitary Condition – Garbage/Recycling StorageThe 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

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-07; data as of 2026-11-07

311 requests (last 12 months) 0

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.

No records found in this dataset for this lot.

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-07; data as of 2026-11-07

Nearby properties

More in East New York-New Lots: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

On Warwick St

Same tax block (4031)

All properties on Warwick St, Brooklyn · All of Brooklyn 11207

Open-item counts as of November 6, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs