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141 Adelphi Street, Brooklyn, NY 11205

BBL 3020450002 (Borough 3, Block 2045, Lot 2) · BIN 3058085 · Last updated:

Summary · as of October 31, 2026

141 Adelphi Street (Brooklyn, NY 11205; tax lot BBL 3020450002) is a two-family home (building class B3: two-family home converted from one-family), built around 1901, on a 927 sq ft lot zoned R7A. City tax records list the owner as NIOSI VALERIE. The Department of Finance's final market value for tax year 2027 is $2,288,000. As of October 31, 2026, NYC Open Data shows four active DOB violations, four active ECB violations, seven open HPD violations and two OATH tickets with an unpaid balance. There were four 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
NIOSI VALERIE
Building class
B3 · Two-family home converted from one-family
Year built · units
1901 · 2 res.
Lot area · zoning
927 sq ft · R7A
Market value (DOF)
$2,288,000 FY2027
Last priced deed
—
BBL
3020450002
BIN
3058085

How to cite: NYC Property Facts, “141 Adelphi Street, Brooklyn, NY 11205 (BBL 3020450002)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/141-adelphi-street-3020450002. 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)
NIOSI VALERIEThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
B3 – Two-family home converted from one-familyThe 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
1901Often an estimate for older buildings.
Floors
3
Units
2 residential / 2 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
927 sq ft (13.5 ft × 68.67 ft)
Building floor area
2,340 sq ft
Zoning
R7A, C2-4The zoning district sets what can be built and used here. Residential district; the overlay (C1/C2…) allows local retail on residential blocks.
Built vs. allowed density (FAR)
2.52 built / 4.00 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 3020450002 (Borough 3, Block 2045, Lot 2) · BIN 3058085BBL 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)
$2,288,000The 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
$137,280The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$26,566Assessed 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$2,288,000$137,2801
2026Final$2,092,000$125,5201
2025Final$2,038,000$122,2801

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

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
1981-11-02DEED$0 / not statedSanon Carmela; Sanon GeorgeNiosi ValerieBK_8130127500621
1974-07-15DEED$0 / not statedSanon GeorgeSanon Carmelia; Sanon GeorgeBK_7430072201075
1971-04-21DEED$0 / not stated
one deed covering 889 lots; price is for all of them
Lewisohn Richard Fin Adm City Ny; Finance Admr Of City Of New York; Finance Admr Of City Of Ny; Finance Admin City Ny; Fin Admin; Fina Admin City Ny; Lewisohn Richard; Finance Administration Of The City Of New York; Finance Admin Of City Of Ny; City Of Ny; Fin Adm City Of Ny; Lewisohn Richard Finance Admin Of City Of Ny; Finance Admin Cny; Finance Adms Of City Of Ny; Finance Adm City N Y; Lewison Richard Fin Adm City Ny; Finance Admin City Of New York; Fin Adm City Ny; Fin Admin City Of N Y; Finance Adim City Ny; Lewison Richard; Finance Adm City Ny; Fin Admin City Ny; Finance Administrator Of The City Of New York; Fin Adm City Of N Y; Fin Adm Of City Of Ny; Fin Adm City N Y; Fin Admin City Of NyThe City Of New York; City Of Ny; City Ofny; City New York; City Of New York; City Of N Y; City New York; Cityof New YorkBK_7130047700988
1968-04-15DEED$0 / not statedWarton Gisela; Warton LouisSanon GeorgeBK_6830069700048
1966-08-05DEED$0 / not statedBrown Mary; Brown Franklin CWarton Gisela; Warton LouisBK_6630021100175

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 4 active of 4

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
2022-03-30AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONEFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATIONV033022AEUHAZ100155
Active
V-DOB VIOLATION - ACTIVE
2022-02-02AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONEFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATIONV020222AEUHAZ100230
Active
V-DOB VIOLATION - ACTIVE
2021-12-22AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONEFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATIONV122221AEUHAZ100523
Active
V-DOB VIOLATION - ACTIVE
2015-07-15AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONEFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATIONV071515AEUHAZ100225

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

ECB violations (DOB) 4 active of 6

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 #
Resolved
Hearing: IN VIOLATION · Certification: COMPLIANCE-INSP/DOC
2015-08-02CLASS - 2FAILURE TO COMPLY WITH THE COMMISSIONER'S ORDER CONTAINED IN NOV #35126844L ISSUED ON 9/24/15 AND TO FILE A CERTIFICATE OF CORRECTION PURSUANT TO 28-201.1,28-204.4 AND 1RCNY 102-01.REM:COMPLY WITH COMMISSIONER'$800 / $800 / $035044719N
Active
Hearing: IN VIOLATION · Certification: NO COMPLIANCE RECORDED
2021-11-05CLASS - 1FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER.AT TIME OF INSPECTION,OBSERVED AT EXP1 FIRST FLOOR WINDOW,1ST AND 2ND WINDOWS FROM RIGHT SIDE AND SECOND FLOOR 1ST WINDOW PANES ARE BROKEN AND ALSO 3RD FLOO$3,125 / $3,182 / $035631840L
Active
Hearing: IN VIOLATION · Certification: NO COMPLIANCE RECORDED
2021-09-15CLASS - 1AT TIME OF INSPECTION, BROKEN WINDOW PANES AT EXPOSURE 1 AT FIRST FLOOR WINDOW, FIRST AND SECOND WINDOWS FROM RIGHT AT SECOND FLOOR AND FIRST WINDOW FROM RIGHT AT THIRD FLOOR, LEAVING PREMISES OPEN TO THE ELEME$1,250 / $1,253 / $039047505R
Active
Hearing: IN VIOLATION · Certification: NO COMPLIANCE RECORDED
2015-04-24CLASS - 1FAIL TO MAINTAIN BLDG WALL(S) OR APPURTENANCES.DEFECTS NOTED @TIME OF INSP THERE IS SPALLED BROWNSTONE FACADE @EXP#1 FRONT OF BLDG @ALL 3-STORIES.PAINT IS PEELING AWAY FROM BROWNSTONE @EXP#1.TWO-BROKEN WINDOWS$1,000 / $1,000 / $035126844L
Active
Hearing: IN VIOLATION · Certification: NO COMPLIANCE RECORDED
2022-01-06CLASS - 1FAILURE TO MAINTAIN BLDG IN CODE COMPLIANT MANNER.AT THE TIME OF INSPECTION & OBSERVED AT FRONT OF A 3 STORY BLDG DEPT.#1 BROKEN WINDOW PANED ON 1ST FL,AT 2ND FL,3 BROKEN/MISSING WINDOW PANES AT 2 WINDOWS,AT 3R$1,250 / $1,273 / $035644173J
Resolved
Hearing: IN VIOLATION · Certification: COMPLIANCE-INSP/DOC
2015-06-12CLASS - 1FAILURE TO COMPLY W/THE COMMISSIONER'S ORDER CONTAINED IN NOTICE OF VIOLATION #35126844L ISSUED ON 4/24/15. FAILURE TO MAINTAIN BLDG WALLS OR APPURTENANCES. THERE IS SPALLED BROWNSTONE FACADE AT EXP#1 FRONT OF$2,400 / $2,400 / $035063638P

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

OATH tickets (all agencies) 2 unpaid of 9

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
DEFAULTED · DEFAULTED
2026-07-06Pcs - DohmhFAIL TO ELIMINATE CONDITIONS CONDUCIVE TO RODENTS-DEBRIS,VEGETATION2NDNIOSI VALERIE$1,200 / $0 / $1,2000803892926
Unpaid balance Default
DEFAULTED · DEFAULTED
2026-07-06Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 2NDNIOSI VALERIE$1,200 / $0 / $1,2000803892935
No balance due
PAID IN FULL
2025-10-07Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STNIOSI VALERIE$300 / $300 / $00803642703
No balance due
PAID IN FULL · IN VIOLATION
2022-01-06Dept. Of BuildingsFAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNERVALERIE NIOSI$1,250 / $1,273 / $0035644173J
No balance due
PAID IN FULL · IN VIOLATION
2021-11-05Dept. Of BuildingsFAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNERNIOSI VALERIE$3,125 / $3,182 / $0035631840L
No balance due
PAID IN FULL · IN VIOLATION
2021-09-15Dept. Of BuildingsFAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNERNIOSI VALERIE$1,250 / $1,253 / $0039047505R
No balance due
PAID IN FULL · IN VIOLATION
2015-08-02Dept. Of BuildingsFAIL TO COMPLY W COMMISSIONER ORDER TO FILE CERT OF CORRECTION W DOBNIOSI$800 / $800 / $0035044719N
No balance due
PAID IN FULL · IN VIOLATION
2015-06-12Dept. Of BuildingsUNLAWFUL ACTS.FAILURE TO COMPLY WITH AN ORDER OF THE COMMISSIONERVALERIE NIOSI$2,400 / $2,400 / $0035063638P
No balance due
PAID IN FULL · IN VIOLATION
2015-04-24Dept. Of BuildingsFAILURE TO MAINTAIN BUILDING WALL S OR APPURTENANCESVALERIE NIOSI$1,000 / $1,000 / $0035126844L

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 7 open of 7

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
First No Access To Re- Inspect Violation · 2008-08-27
B2008-06-26SECTION 27-2142 ADM CODE - THE PREMISES VACATED BY THIS DEPARTMENT, HAVE BEEN REOCCUPIED WITHOUT OBTAINING REQUIRED APPROVAL
Open
Nov Sent Out · 2008-06-26
A2008-06-26SECTION 27-2005 ADMIN. CODE: REFIT - WEST ENTRANCE DOOR TO BUILDING AT 1ST STY.
Open
Nov Sent Out · 2008-06-26
A2008-06-26SECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING - BANISTERS 3RD STY PUBLIC HALL.
Open
Nov Sent Out · 2008-06-26
A2008-06-26SECTION 27-2013 ADMIN. CODE: PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT - WALL & CEILING 1ST STY PUBLIC HALL.
Open
Nov Sent Out · 2008-06-26
B2008-06-26SECTION 27-2010, 2011, 2012 ADMIN. CODE: REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE - CELLAR THROUGHOUT.
Open
Nov Sent Out · 2008-06-26
A2008-06-26SECTION 27-2027 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE RAIN LEADER - 1ST STY REAR OF BUILDING.
Open
Nov Sent Out · 2008-06-26
A2008-06-26SECTION 27-2010, 2011, 2012 ADMIN. CODE: REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE - CELLAR THROUGHOUT.

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) 4

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 - Street/Sidewalk – Loud Music/PartyClosed2026-07-05
2026-06-25DHSHomeless Person Assistance – ChronicClosed2026-06-25
2026-01-29DSNYSnow or Ice – SidewalkClosed2026-02-06
2025-11-05NYPDIllegal Parking – Blocked HydrantClosed2025-11-05

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

Nearby properties

On Adelphi St

Same tax block (2045)

All properties on Adelphi St, Brooklyn · All of Brooklyn 11205 (Bedford-Stuyvesant (West))

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