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91 Williams Avenue, Brooklyn, NY 11207

BBL 3036830004 (Borough 3, Block 3683, Lot 4) · Last updated:

Summary · as of October 31, 2026

91 Williams Avenue (Brooklyn, NY 11207; tax lot BBL 3036830004) is a property (building class Z9: miscellaneous (subtype Z9)), on a 1,500 sq ft lot zoned M1-4. City tax records list the owner as S&Y PROPERTY LLC; the most recent deed with a stated price is dated March 22, 2007 at $1,500,000 in a deed covering 7 lots (per ACRIS). The Department of Finance's final market value for tax year 2027 is $29,660. As of October 31, 2026, NYC Open Data shows no open DOB jobs, active DOB/ECB violations, open HPD violations or unpaid OATH tickets for this lot. There were two 311 requests in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
S&Y PROPERTY LLC
Building class
Z9 · Miscellaneous
Year built · units
— · 0 res.
Lot area · zoning
1,500 sq ft · M1-4
Market value (DOF)
$29,660 FY2027
Last priced deed
$1,500,000 · 2007-03-22
BBL
3036830004
BIN
—

How to cite: NYC Property Facts, “91 Williams Avenue, Brooklyn, NY 11207 (BBL 3036830004)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/91-williams-avenue-3036830004. 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)
S&Y PROPERTY LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
Z9 – Miscellaneous (subtype Z9)The Department of Finance’s category for what kind of building this is.
Land use
—City Planning’s broad category of how the lot is used.
Year built
—Often an estimate for older buildings.
Floors
—
Units
0 residential / 0 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
0
Lot size
1,500 sq ft (20 ft × 75 ft)
Building floor area
0 sq ft
Zoning
M1-4The zoning district sets what can be built and used here. Manufacturing district.
Built vs. allowed density (FAR)
0.00 built / 0.00 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 3036830004 (Borough 3, Block 3683, Lot 4)BBL 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 2026-11-01; 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)
$29,660The 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
$13,347The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$12,528Assessed value minus any exemptions.
Tax class
Tax class 4 – commercial / industrial
Tax yearRollMarket valueAssessed valueTax class
2027Final$29,660$13,3474
2026Final$28,800$12,9604
2025Final$28,000$12,6004

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-01

Sales & deed history 9

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
2017-08-25DEED$0 / not stated
one deed covering 7 lots; price is for all of them
90 Alabama Avenue, LlcS&Y Property Llc2018110900706001
2007-03-22DEED$1,500,000
one deed covering 7 lots; price is for all of them
Clarendon Holding Co., Inc.90 Alabama Avenue, Llc2007032701857001
2001-08-17DEED$0 / not stated
one deed covering 24 lots; price is for all of them
City Of New YorkNew York City Economic Development CorporationFT_3560007845256
2001-08-17DEED$0 / not stated
one deed covering 24 lots; price is for all of them
New York City Economic Development CorporationClarendon Holding CoincFT_3720007845272
1983-05-17DEED$0 / not stated
one deed covering 2311 lots; price is for all of them
; Commissioner Of FinanceNew York CityFT_3860000959686
1978-08-10DEED$0 / not statedThe City Of New YorkDarlen CorpBK_7830101200259
1975-06-19DEED$0 / not stated
one deed covering 2118 lots; price is for all of them
The Finance Administration Of The City Of Ny; Commissioner Of Finance Of The City Of New York; Finance Administrator City Of Ny; Finance Admin Of The City Of Ny; Finance Admin City Of New York; The Finance Admin Of The City Of Ny; Finance Admin Of The Cityo Fny; Finance Admin Of The City Of New York; Finance Admin Of City Ny; Finance Administ Of The City Of New York; Finance Administrator Of City Of Ny; Finance Administration City Of New York; The City Of New York (Finance Of Administration); Finance Admn Of The City Of Ny; Fin Admin; Finance Administration Of The City Of New York; Finance Administration Of The City Of Ny; Finance Admino F The City Of Ny; Finance Admin Of City Ofn Y; Finance Admin Of C Ny; Financeadmin City Of Ny; Finance Administ City Of New York; Finance Admin Of City Of New York; Finance Adim Of City Of Ny; Finance Admin Of The City O Fny; The Finance Admin City Of Ny; Commissioner Of Finance; Fin Admin Of The City Of Ny; Finance Administrator Of The City Of N Y; Fianance Admin City Of Ny; Finance Admin Of The City Of N Y; Fin Admin Of City Of Ny; Fin Admin Of City Ny; Finance Administrator Of The City Of Ny; Finance Admin The City Of New York; Finance Admin City Of Ny; Finance Adminis Of The City Of Ny; Finance Admin City Ofny; Finance Admin City; City Of Ny; Finance Admin Of City Of Ny; Finance Admin; Finance Administrators Of The City Of New York; Finance Adminsitrator Of The City Of New York; Finance Admin City Of N Y; Finance Admin-City Of Ny; Finance Admininstrator Of The City Of New York; Commisoner Of Finance Of N Y; Finance Admin Of City Of N Y; Finance Adminstrator Of The City Of New York; Finance Administrator The City Of Ny; Finance Administrator Of The City Of New York; Finance Administorator Of The City Of Ny; Finance Administrator The City Of New York; Finance Admin Of The City Of Newy Ork; Finance Admin City Ny; Finance Admini City Of NyThe City Of New York; City Of N Y; `The City Of N Y; The City Of Ne Wyork; The City Of New ;York; The City Of N Y; City Of New York; The City Of Ny; City Of Ny; The City O Fnew York; City Of New YorkBK_7530078600134
1973-02-26DEED$0 / not statedGilmore Willie L Defts Etal; Alfano Salvatore J RefSecy Of Housing & Urban Development Wash DcBK_7330061600700
1969-03-21DEED$0 / not statedCapobianco Emanuel E; Capobianco DianaGilmore Willie LBK_6930032101625

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-01; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-01; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-01

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 — city dataset updated 2026-10-31; data as of 2026-11-01; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 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 — city dataset updated 2026-10-31; data as of 2026-11-01; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

DOB violations 0 active of 0

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).

No records found in this dataset for this lot.

Source: DOB Violations — city dataset updated 2026-10-31; data as of 2026-11-01

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 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.

No records found in this dataset for this lot.

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-01

OATH tickets (all agencies) 0 unpaid of 0

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.

No records found in this dataset for this lot.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-01; data as of 2026-11-01

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 2026-10-28; data as of 2026-11-01; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-01

HPD housing-code violations 0 open of 0

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.

No records found in this dataset for this lot.

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-10-31; data as of 2026-11-01

HPD complaints 0

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.

No records found in this dataset for this lot.

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-01; data as of 2026-11-01

311 requests (last 12 months) 2

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
2026-07-05NYPDNoise - Residential – Loud Music/PartyClosed2026-07-05
2026-06-23DOBGeneral Construction/Plumbing – Building Permit - NoneClosed2026-06-25

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-01; data as of 2026-11-01

Nearby properties

On Williams Ave

Same tax block (3683)

All properties on Williams Ave, Brooklyn · All of Brooklyn 11207 (East New York-New Lots)

Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs