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50 3rd Street, Brooklyn, NY 11231

BBL 3004640033 (Borough 3, Block 464, Lot 33) · BIN 3007983 · Last updated:

Summary · as of November 5, 2026

50 3rd Street (Brooklyn, NY 11231; tax lot BBL 3004640033) is a two-family home (building class B1: two-family home, brick), built around 1899, on a 2,000 sq ft lot zoned R6B. City tax records list the owner as STRAUSS, KARSTEN; the most recent deed with a stated price is dated November 27, 2017 at $2,340,000 (per ACRIS). The Department of Finance's final market value for tax year 2027 is $4,490,000. As of November 5, 2026, NYC Open Data shows no open DOB jobs, active DOB/ECB violations, open HPD violations or unpaid OATH tickets for this lot. There was one 311 request 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
STRAUSS, KARSTEN
Building class
B1 · Two-family home, brick
Year built · units
1899 · 2 res.
Lot area · zoning
2,000 sq ft · R6B
Market value (DOF)
$4,490,000 FY2027
Last priced deed
$2,340,000 · 2017-11-27
BBL
3004640033
BIN
3007983

How to cite: NYC Property Facts, “50 3rd Street, Brooklyn, NY 11231 (BBL 3004640033)”, data as of 2026-11-05, https://nycpropertyfacts.com/ny/brooklyn/50-3rd-street-3004640033. 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)
STRAUSS, KARSTENThe 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. Major alteration recorded: 2018.
Floors
2
Units
2 residential / 2 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,000 sq ft (20 ft × 100 ft)
Building floor area
3,568 sq ft
Zoning
R6BThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
1.78 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).
Identifiers
BBL 3004640033 (Borough 3, Block 464, Lot 33) · BIN 3007983BBL 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 2026-11-05; 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)
$4,490,000The 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
$269,400The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$80,977Assessed 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$4,490,000$269,4001
2026Final$4,237,000$254,2201
2025Final$4,097,000$245,8201

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-05

Sales & deed history 8

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
2021-03-25DEED$0 / not statedStrauss, KarstenSoldak, Katya; Strauss, Karsten2021040200649001
2018-01-25DEED$0 / not statedStrauss, CharlesStrauss, Karsten2018012201277001
2017-11-27DEED$2,340,000Sealey, Irving; Sealey, BarbaraStrauss, Charles2017113000458002
1999-07-21DEED$0 / not statedSackor, PatrickSealey, Barbara; Sealey, IrvingFT_3580006912358
1990-03-21DEED$0 / not statedGraziano, Rose Marie; Graziano, DominickSackor, PatrickFT_3740001531374
1987-10-02DEED$0 / not statedGraziano, DomenickGraziano, Rosemarie; Graziano, DomenickFT_3810001313381
1986-08-20DEED$0 / not statedMarfilius, Loris L.; Liao, Ming J.Graziano, DomenickFT_3280001195528
1980-05-23DEED$0 / not statedAmendola MarieMarfilius Loris L; Liao Ming JBK_8030116101919

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-05

DOB job filings 0 open of 3

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 · 2024-10-04
B00314388-I1
DOB NOW
Alteration2020-02-24$1,000
Not open
LOC Issued · 2021-01-06
B00236821-I1
DOB NOW
Alteration2019-10-02$8,000
Not open
SIGNED OFF · 2024-12-13
321207975
BIS
A1 – Major alteration (changes use, egress or occupancy)2018-05-15$1,000,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-05; DOB Job Application Filings (BIS) — city dataset updated 2026-11-04; data as of 2026-11-05

Work permits 13

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
2022-10-312023-10-31321207975
BIS
Plumbing / PlumbingISSUED (renewal)
2022-09-092023-09-09321207975
BIS
AlterationISSUED (renewal)
2021-12-282023-02-06321207975
BIS
AlterationISSUED (renewal)
2021-05-202022-05-20321207975
BIS
Plumbing / PlumbingISSUED (renewal)
2021-02-182021-05-06B00314388-I1
DOB NOW
Construction Fence
Installation of construction wood fence in rear building.
Signed-off
2021-02-182022-02-06321207975
BIS
AlterationISSUED (renewal)
2020-10-132021-04-08B00236821-I1
DOB NOW
Sidewalk Shed
ALTERATION TYPE 3 - CONSTRUCTION EQUIPMENT - SIDEWALK-SHEDINSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESSOR OCCUPANCY. SIDEWALK S
Signed-off
2020-06-052021-02-06321207975
BIS
AlterationISSUED (renewal)
2020-04-062021-02-04B00314388-I1
DOB NOW
Construction Fence
Installation of construction wood fence in rear building.
Signed-off
2019-10-032020-10-03B00236821-I1
DOB NOW
Sidewalk Shed
ALTERATION TYPE 3 - CONSTRUCTION EQUIPMENT - SIDEWALK-SHEDINSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESSOR OCCUPANCY. SIDEWALK S
Signed-off
2019-07-082020-06-07321207975
BIS
AlterationISSUED (renewal)
2019-03-062020-03-05321207975
BIS
Plumbing / PlumbingISSUED (initial)

Showing 12 of 13 records. The API and the source dataset have the full list.

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-05; 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 2026-11-05

ECB violations (DOB) 0 active of 4

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
2020-01-22CLASS - 2FAILURE OF PERMIT HOLDER TO PROVIDE INSPECTION ACCESS TO AND/OR EXPOSEONGOING CONSTRUCTION.NOTE:AT THE TIME OF MY INSPECTION OF AN 4 STORY BUILDING,I OBSERVED WORK AT EXPOSURE 4 AT ROAD LEVEL OF BUILDING PROFOR$1,250 / $1,250 / $035467113N
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2020-01-18CLASS - 2BC 3307.2 OBSTRUCTION OF STREET OR SIDEWALK. AT TIME OF MY INSPECTION ON A PROPOSE EXPANSION OF 2-FAMILY RESIDENCE,I OBSERVED A DEBRIS CONTAINER PLACED ON THE STREET. I FOUND AN INACTIVE DOT THAT HAD EXPIRED ON$625 / $625 / $035456160M
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2019-10-03CLASS - 2BC 3307.4 WORK AND STORAGE ZONE. NOTE-AT THE TIME OF INSPECTION OF A 4STORY ALTERATION JOB SITE,UPON INSPECTION I OBSERVED DEBRIS CONTAINER IN ROADWAY W/ NO BARRIERS IN PLACE TO ENCLOSE AND CONTAIN OPERATION AS$625 / $625 / $035418810H
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
1998-08-28Non-HazardousOCCUPANCY CONTRARY TO THAT ALLOWED BY THE BUIDLING DEPT. REORDS. CELLAR OF PREEMISES OCCUPANCY AS OFFICE. CELLAR HAS BEEN ALRERED WITH PARTITIONS THREE (3)PC. KITHEN AND FULL BATH. REMEDY:DISCONTINUE ILLEG$800 / $800 / $034183564L

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-05

OATH tickets (all agencies) 0 unpaid of 7

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 · IN VIOLATION
2020-01-22Dept. Of BuildingsPERMIT HOLDER FAIL TO PROVIDE ACCESS AND OR EXPOSE WORK ON ACTIVE SITECONTO AND SON'S CONTR INC$1,250 / $1,250 / $0035467113N
No balance due
PAID IN FULL · IN VIOLATION
2020-01-18Dept. Of BuildingsMISCELLANEOUS VIOLATIONSCONTO SONS CONTRACTING$625 / $625 / $0035456160M
No balance due
PAID IN FULL · IN VIOLATION
2019-10-03Dept. Of BuildingsMISCELLANEOUS VIOLATIONSCONTO SONS CONTRACTING$625 / $625 / $0035418810H
No balance due
PAID IN FULL
2011-07-07Dos - Enforcement AgentsIMPROPER DISPOSAL BEDDING 1ST OFFENSESEALEY$100 / $100 / —041493503P
No balance due
PAID IN FULL
2005-06-06$25 / $25 / —0145113870
No balance due
PAID IN FULL
2002-06-26$50 / $50 / —0129536056
No balance due
WRITTEN OFF · WRITTEN OFF
1999-07-08Fire Department Of NycFAILED TO REMOVE OBSTRUCT ACCUMULATIONSJOE RICEOBONA$3,000 / $0 / $0010673956L

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-05

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 2026-11-05; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-05

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 2026-11-05; data as of 2026-11-05

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 2026-11-05; data as of 2026-11-05

311 requests (last 12 months) 1

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
2026-09-09DOTStreet Condition – Defective HardwareClosed2026-09-13

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-05; data as of 2026-11-05

Nearby properties

On 3 St

Same tax block (464)

All properties on 3 St, Brooklyn · All of Brooklyn 11231 (Carroll Gardens-Cobble Hill-Gowanus-Red Hook)

Open-item counts as of November 5, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs