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19 Prospect Place, Brooklyn, NY 11217

BBL 3009350069 (Borough 3, Block 935, Lot 69) · BIN 3018760 · Last updated:

Summary · as of October 31, 2026

19 Prospect Place (Brooklyn, NY 11217; tax lot BBL 3009350069) is a two-family home (building class B9: two-family home, miscellaneous), built around 1869, on a 1,511 sq ft lot zoned R6B. City tax records list the owner as SAHNI, SUMIT; per ACRIS, a deed to this owner dated April 30, 2007 lists a price of $1,675,000. The Department of Finance's final market value for tax year 2027 is $4,189,000. As of October 31, 2026, NYC Open Data shows one active ECB violation. 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
SAHNI, SUMIT
Building class
B9 · Two-family home, miscellaneous
Year built · units
1869 · 2 res.
Lot area · zoning
1,511 sq ft · R6B
Market value (DOF)
$4,189,000 FY2027
Last priced deed
$1,675,000 · 2007-04-30
BBL
3009350069
BIN
3018760

How to cite: NYC Property Facts, “19 Prospect Place, Brooklyn, NY 11217 (BBL 3009350069)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/19-prospect-place-3009350069. 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)
SAHNI, SUMITThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
B9 – Two-family home, miscellaneousThe 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
1869Often an estimate for older buildings. Major alteration recorded: 2007.
Floors
3
Units
2 residential / 2 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
1,511 sq ft (18.75 ft × 80.58 ft)
Building floor area
3,750 sq ft
Zoning
R6BThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
2.48 built / 2.00 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).
Historic district
Park Slope Historic District Extension IIExterior changes in a historic district need Landmarks Preservation Commission approval.
Identifiers
BBL 3009350069 (Borough 3, Block 935, Lot 69) · BIN 3018760BBL 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 2026-11-04; 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)
$4,189,000The 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
$251,340The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$51,632Assessed 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$4,189,000$251,3401
2026Final$4,533,000$271,9801
2025Final$4,322,000$259,3201

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-04

Sales & deed history 11

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
2007-04-30DEED$1,675,000Hershberg, Eric M; Rein, Judy ESahni, Sumit2007050401086003
1991-11-27DEED$0 / not statedPolorski, Jane; Pokorski, JohnRein, Judy; Hershberg, Eric MFT_3940001669994
1989-09-05DEED$0 / not statedPokorski, John D/AdmofPokorski, Jane; Pokorski, JohnFT_3780001484978
1987-06-18DEED$0 / not statedReno, Zeynep C; Reno, Robert MPokorski, JohnFT_3300001280530
1983-02-23DEED$0 / not statedJaffe, Linda A; Jaffe, Kenneth PReno, Zeynep C; Reno, Robert MFT_3260000950126
1980-06-06DEED$0 / not statedRush Susan T; Thomas Deborah R; Thomas Reed CRush Susan T; Thomas Deborah RBK_8030116500129
1980-06-06DEED$0 / not statedRush Susan T; Thomas Deborah RJaffe Kenneth P; Jaffe Linda ABK_8030116500131
1975-02-24DEED$0 / not statedLi Ro Enterprises IncRush Susan T; Thomas Reed C; Thomas Deborah RBK_7530076500194
1971-05-03DEED$0 / not statedWoodside Savs & Loan AssnWestern Urban Development IncBK_7130047901058
1967-07-26DEED$0 / not statedParks Raymond (Ref); Guthman Andre J; A & L Estates Inc; Podell & Podell; Chapman Rosa; Gem Funding Corp; Golder AbrahamWoodside Savingsand Loan AssocBK_6730048400475
1967-01-10DEED$0 / not statedGem Funding CorpGolder AbrahamBK_6730033400451

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-04; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-04; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-04

DOB job filings 0 open of 1

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
SIGNED OFF · 2008-11-12
310002154
BIS
A1 – Major alteration (changes use, egress or occupancy)2007-08-02$50,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-04; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31

Work permits 2

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
2007-09-172008-09-16310002154
BIS
Plumbing / PlumbingISSUED (initial)
2007-08-162008-07-04310002154
BIS
AlterationISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-04; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

DOB violations 0 active of 2

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
2008-04-16C-CONSTRUCTION OTHER OPTIONALSTOP ALL WORK EXCEPT TO MAKE SITE SAFE,AMEND PLANS TO SHOW AS-BUILT OR CONFORM TO APPROVED PLANS,CONTACT DOB BEFORE RESUMING WORKV*041608C0601AA
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2008-01-08C-CONSTRUCTION OTHER OPTIONALV*010808C0602ZC

Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-04

ECB violations (DOB) 1 active of 3

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: CERTIFICATE ACCEPTED
2008-01-08HazardousFAILURE TO SAFEGUARD PUBLIC & PROPERTY AFFECTED BY CONSTRUCTION OPERATIONS. NOTE: CONSTRUCTION OPERATIONS AT 19 PROSPECT PLACE HAS DAMAGE THE ADJACENT ROOF OF 21 PROSPECT PLACE. THEY HAVE CONSTRUCTED A CINDER$1,000 / $1,000 / $034623453P
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2008-06-19Non-Hazardous27-127 FAILURE TO MAINTAIN EXTERIOR WALL ON INSPECTION ALTERATION IN PROCESS ON 4 FL (EXTENSION) CEMENT BLOCK WALL HAS BEEN ERECTED ON NORT-EAST CORNER (RIGHT SIDE) STRESS CRACK (DEEP) HAS FORMED FROM 4 TO 3 F$350 / $350 / $034656514K
Active
Hearing: IN VIOLATION · Certification: NO COMPLIANCE RECORDED
2008-06-19Hazardous27-,26-230 FAILURE TO PROTECT ROOF OF ADJOINING PROPERTY DURING CONSTRUCTION OPERATION OR INSPECTION ADJACENT ROOF HAS NOT BEEN PROTECTED AS PER CODE DURING CEMENT BLOCK OPERATION (EXTENSION) BLUE TARP & B/4 IN$500 / $500 / $034656513Z

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-04

OATH tickets (all agencies) 0 unpaid of 10

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 #
No balance due Default
PAID IN FULL · DEFAULT
2016-04-22Sanitation DeptFAILURE TO BUNDLE NEWSPAPES MAGAZINES CARDBOARD 1 TO 8 DWELLING UNITSSAHNI$25 / $25 / —041628565X
No balance due
PAID IN FULL · SETTL IN-VIO
2015-11-21Sanitation OthersFAILURE TO BUNDLE NEWSPAPES MAGAZINES CARDBOARD 1 TO 8 DWELLING UNITSSAHNI$25 / $33 / $00186945770
No balance due
PAID IN FULL
2015-07-24Sanitation DeptFAILURE TO BUNDLE NEWSPAPES MAGAZINES CARDBOARD 1 TO 8 DWELLING UNITSSAHNI$25 / $25 / —041935719J
No balance due
PAID IN FULL · IN VIOLATION
2012-01-26Fire Department Of NycGENERAL MAINTENANCESAHNI SUMIT$400 / $400 / —012005705X
No balance due
PAID IN FULL
2011-12-16Dos - Enforcement AgentsFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSSAHNI$25 / $25 / —041773572P
No balance due
PAID IN FULL
2008-09-26Sanitation OthersFAILURE TO PROPERLY PUT RECYCLABLES OUT FOR COLLECTIONSAHNI$25 / $25 / —0160456378
No balance due
PAID IN FULL · IN VIOLATION
2008-06-19Dept. Of BuildingsILLEGAL USE IN A RESIDENTIAL DISTRICT.SAHNI SUMIT$500 / $500 / —034656513Z
No balance due
PAID IN FULL · IN VIOLATION
2008-06-19Dept. Of BuildingsFAILURE TO MAINTAIN BUILDING: EXTERIORSAHNI SUMIT$350 / $350 / —034656514K
No balance due
PAID IN FULL · IN VIOLATION
2008-01-08Dept. Of BuildingsFAILURE TO SAFEGUARD PUBLIC AND PROPERTY AFFECTED BY CONSTRUCTION OPERMANJIT, SINGH, DESIGN HOME$1,000 / $1,000 / —034623453P
No balance due
PAID IN FULL
2004-10-01$25 / $25 / —0144305050

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-04

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 2026-11-04; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-04

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 2026-11-02; data as of 2026-11-04

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
2022-05-23CLOSE1LPlumbing – Water SupplyThe 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 2026-11-02; data as of 2026-11-04

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 2026-11-04; data as of 2026-11-04

Nearby properties

On Prospect Pl

Same tax block (935)

All properties on Prospect Pl, Brooklyn · All of Brooklyn 11217 (Park Slope)

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