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253 Dover Street, Brooklyn, NY 11235

BBL 3087420045 (Borough 3, Block 8742, Lot 45) · BIN 3377845, 3246305 · Last updated:

Summary · as of October 31, 2026

253 Dover Street (Brooklyn, NY 11235; tax lot BBL 3087420045) is an one-family home (building class A1: one-family home, two stories, detached), built around 1930, on a 5,000 sq ft lot zoned R3-1. City tax records list the owner as ALEXANDER KOUPERMAN, AS TRUSTEE; the most recent deed with a stated price is dated January 8, 2019 at $2,137,500 (per ACRIS). The Department of Finance's final market value for tax year 2027 is $2,733,000. 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. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
ALEXANDER KOUPERMAN, AS TRUSTEE
Building class
A1 · One-family home, two stories, detached
Year built · units
1930 · 1 res.
Lot area · zoning
5,000 sq ft · R3-1
Market value (DOF)
$2,733,000 FY2027
Last priced deed
$2,137,500 · 2019-01-08
BBL
3087420045
BIN
3377845, 3246305

How to cite: NYC Property Facts, “253 Dover Street, Brooklyn, NY 11235 (BBL 3087420045)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/253-dover-street-3087420045. 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)
ALEXANDER KOUPERMAN, AS TRUSTEEThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
A1 – One-family home, two stories, detachedThe 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
1930Often an estimate for older buildings. Major alteration recorded: 1993.
Floors
2.5
Units
1 residential / 1 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
2
Lot size
5,000 sq ft (50 ft × 100 ft)
Building floor area
3,130 sq ft
Zoning
R3-1The zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
0.63 built / 0.75 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 3087420045 (Borough 3, Block 8742, Lot 45) · BIN 3377845, 3246305BBL 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)
$2,733,000The 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
$163,980The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$121,060Assessed 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$2,733,000$163,9801
2026Final$2,366,000$141,9601
2025Final$2,684,000$161,0401

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

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
2021-11-23CORRD$0 / not statedKouperman, Elizabeth; Kouperman, AlexanderAlexander Kouperman, As Trustee; Elizabeth Kouperman, As Trustee; Magnolia Slk Trust2023022800773001
2021-10-05DEED$0 / not statedKouperman, Alexander; Kouperman, ElizabethAlexander Kouperman, As Trustee; Elizabeth Kouperman, As Trustee; Magnolia Slk Trust2021100600026001
2019-01-08DEED$0 / not statedFridman, Mark; Fridman, JuliaKouperman, Alexander; Kouperman, Elizabeth2019041500593001
2019-01-08DEED$2,137,500Fridman, Mark; Fridman, JuliaKouperman, Alexander; Kouperman, Elizabeth2019010900062002
2016-02-29DEED$0 / not statedFridman, Julia; Fridman, MarkGorelik, Yakov; Gorelik, Lyubov Y; Degtyaeva, Ella2016040500808002
2002-07-25DEED$0 / not statedGreenberg, Belle/Estate Of; Erichson, Elaine G/Exec; Greenberg, Josha F/ExecFridman, Julia; Fridman, MarkFT_3510008923651
1993-05-19DEED$0 / not statedSansone, John; Sansone, BarbaraFridman, Julia; Fridman, MarkFT_3170001778117
1982-06-02DEED$0 / not statedGerstenblith, EvelynSansone, John; Sansone, BarbaraFT_3440000913044
1968-09-26DEED$0 / not stated
one deed covering 29 lots; price is for all of them
Glantz MinaRuston Henry; Ruston JanetBK_6830027901141

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 · 1994-11-04
300295320
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1993-09-07$20,000

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
1994-02-021996-09-14300295320
BIS
Plumbing / PlumbingRE-ISSUED (initial)
1993-10-011994-07-27300295320
BIS
Equipment work / Other / general constructionISSUED (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 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 2026-11-02; data as of 2026-11-04

ECB violations (DOB) 0 active of 2

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
2008-09-26CLASS - 3VIOLATION OF PARKING REGULATIONS IN A RESIDENTIAL DISTRICT R3-1. NOTEDPARKED COMMERCIAL VAN FORD PLATE #88520-JX COMMERCIAL-NY,AT FRONT YARD OF PROPERTY PARALLEL PARKING TO BUILDING,CONTRARY TO ZONING AND PARKI$300 / $300 / $034686518P
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2008-09-26CLASS - 3SEC.ZR25-62 ZONING NON-CONFORMING NOTED: PARKED COMMERCIAL VAN FORD PLATE #88502-JX COMMERCIAL NEW YORK AND PASSENGER VEHICLE LEXUS (RX-330)PLATE #AGM 93006 NEW YORK AT TIME YARD AND FRONT YARD OF PROPERTY WHIC$300 / $300 / $034686517N

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

OATH tickets (all agencies) 0 unpaid of 6

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
PAID IN FULL
2026-08-29Sanitation OthersSTORAGE OF RECEPTACLES NON-COLLECTION DAYALEXANDER KOUPERMAN AS TRUSTEE$50 / $50 / $0080045001K
No balance due
PAID IN FULL · IN VIOLATION
2008-09-26Dept. Of BuildingsMISCELLANEOUS VIOLATIONS OF THE ZONING RESOLUTIONMARK FRIEDMAN$300 / $300 / —034686517N
No balance due
ASSIGNED TO APPEALS · IN VIOLATION
2008-09-26Dept. Of BuildingsVIOLATION OF PARKING REGULATIONS IN A RESIDENTIAL DISTRICTMARK FRIDMAN$300 / $300 / —034686518P
No balance due
PAID IN FULL
2004-08-30$25 / $25 / —0144143039
No balance due
PAID IN FULL
2002-12-30$25 / $25 / —0132394910
No balance due
PAID IN FULL
2002-11-18$25 / $25 / —0132035310

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 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 2026-11-02; 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 Dover St

Same tax block (8742)

All properties on Dover St, Brooklyn · All of Brooklyn 11235 (Sheepshead Bay-Manhattan Beach-Gerritsen Beach)

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