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434 3rd Street, Brooklyn, NY 11215

BBL 3009820039 (Borough 3, Block 982, Lot 39) · BIN 3021093 · Last updated:

Summary · as of November 6, 2026

434 3rd Street (Brooklyn, NY 11215; tax lot BBL 3009820039) is a 4-unit walk-up apartment building (building class C3: walk-up apartments, four families), built around 1920, on a 1,868 sq ft lot zoned R6B. City tax records list the owner as 434 THIRD STREET, LLC. The Department of Finance's final market value for tax year 2027 is $3,952,000. As of November 6, 2026, NYC Open Data shows two active ECB violations. There were 10 311 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
434 THIRD STREET, LLC
Building class
C3 · Walk-up apartments, four families
Year built · units
1920 · 4 res.
Lot area · zoning
1,868 sq ft · R6B
Market value (DOF)
$3,952,000 FY2027
Last priced deed
—
BBL
3009820039
BIN
3021093

How to cite: NYC Property Facts, “434 3rd Street, Brooklyn, NY 11215 (BBL 3009820039)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/434-3rd-street-3009820039. 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)
434 THIRD STREET, LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C3 – Walk-up apartments, four familiesThe Department of Finance’s category for what kind of building this is.
Land use
Multi-family walk-up buildingsCity Planning’s broad category of how the lot is used.
Year built
1920Often an estimate for older buildings.
Floors
4
Units
4 residential / 4 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
1,868 sq ft (19.67 ft × 95 ft)
Building floor area
5,540 sq ft
Zoning
R6BThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
2.97 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 3009820039 (Borough 3, Block 982, Lot 39) · BIN 3021093BBL 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 2026-11-07; 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)
$3,952,000The 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
$1,778,400The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$128,317Assessed value minus any exemptions.
Tax class
Tax class 2A – residential rental, 4–6 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$3,952,000$1,778,4002A
2026Final$3,378,000$1,520,1002A
2025Final$2,872,000$1,292,4002A

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-07

Sales & deed history 4

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
2018-12-04DEED$0 / not statedHoffman, As Co-Trustee, Marjorie; Rosenfield, As Co-Trustee, Leonard434 Third Street, Llc2018120300163001
2003-04-09DEEDO$0 / not statedHoffman, MarjorieHoffman, Marjorie Ttee; Rosenfield, Leonard Ttee; Rosenfield-Hoffman Living Trust, Dtd. Nov. 4, 20022003042200244001
1978-12-21DEED$0 / not statedMuraca Frances; Bonzani Rose Lillian; Bonzani Jack AnthonyHoffman Marjorie; Hoffman NathanBK_7830104201617
1978-04-24DEED$0 / not statedMuraca FrancesMuraca Frances; Bonzani Jack Anthony; Bonzani Rose LillianBK_7830098901673

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-07; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-07; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-07

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
Plan Examiner Review · 2026-11-05
B01479030-I1
DOB NOW
Alteration2026-11-03$6,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-06; data as of 2026-11-07; DOB Job Application Filings (BIS) — city dataset updated 2026-11-05; data as of 2026-11-06

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 2026-11-06; data as of 2026-11-07; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; data as of 2026-11-07

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 2026-11-06; data as of 2026-11-07

ECB violations (DOB) 2 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 #
Active
Hearing: PENDING
2026-10-06CLASS - 1WORK WITHOUT PERMITS. NOTED AT A 4-STORY WALK UP OBSERVED THE INSTALLATION OF A NEW BOILER IN THE CELLAR. NO PLUMBING PERMITS WERE FOUND IN DOB RECORDS FOR THE WORK OBSERVED., OBTAIN PERMIT$2,500 / $0 / $2,50039207067X
Active
Hearing: PENDING
2026-10-06CLASS - 2ELECTRICAL WORK WITHOUT PERMITS. NOTED AT A 4-STORY WALK UP OBSERVED A NEWLY INSTALLED WATER HEATER IN CELLAR. NO PERMITS FOUND IN DOB RECORDS FOR WORK OBSERVED., OBTAIN PERMIT$1,250 / $0 / $1,25039207066Y

Source: DOB ECB Violations — city dataset updated 2026-11-06; data as of 2026-11-07

OATH tickets (all agencies) 0 unpaid of 4

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 #
Hearing pending
NEW ISSUANCE
2026-10-06Dept. Of BuildingsWORK WITHOUT A PERMIT434 THIRD STREET LLC C O LEON$2,500 / $0 / $2,500039207067X
Hearing pending
NEW ISSUANCE
2026-10-06Dept. Of BuildingsELECTRICAL WORK WITHOUT A PERMIT434 THIRD STREET LLC C O LEON$1,250 / $0 / $1,250039207066Y
No balance due
PAID IN FULL
2025-01-24Dos - Enforcement AgentsSNOW,ICE DIRT ON SIDEWALKS434 THIRD STREET LLC$100 / $100 / $0048834794L
No balance due
PAID IN FULL
2025-01-22Dos - Enforcement AgentsSNOW,ICE DIRT ON SIDEWALKS434 THIRD STREET LLC$100 / $100 / $0048824713L

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-07; data as of 2026-11-07

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.

HPD building ID
128681
Last registered
2026-08-14
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
ShareholderLeonard RosenfieldBrooklyn, Ny
Corporateowner434 THIRD STREET LLCBklyn, Ny
ShareholderMarjorie HoffmanBrooklyn, Ny
HeadofficerMarjorie HoffmanBklyn, Ny
AgentMarjorie HoffmanMARJORIE HOFFMANBklyn, Ny
OfficerLeonard RosenfieldBrooklyn, Ny
SitemanagerGolda Rosenfield

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-07; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-07

HPD housing-code violations 0 open of 2

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
Closed
Violation Dismissed · 2022-03-02
A2022-02-18(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Closed
Violation Dismissed · 2015-10-28
I2015-10-06SECTION27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE ?27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF P

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-06; data as of 2026-11-07

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 2026-11-07; data as of 2026-11-07

311 requests (last 12 months) 10

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
2026-10-28DOTStreet Condition – PotholeClosed2026-10-29
2026-10-11DSNYIllegal Dumping – Removal RequestClosed2026-10-14
2026-10-07DOBGeneral Construction/Plumbing – Vent/Exhaust - Illegal/ImproperOpen2026-10-07
2026-10-06DEPAir Quality – Chimney/Vent SmokeClosed2026-10-08
2026-10-06DEPAir Quality – Chimney/Vent SmokeClosed2026-10-08
2026-10-06DOBReal Time Enforcement – Work Without A Permit - Occupied Multiple DwellingClosed2026-10-07
2026-10-06DOBGeneral Construction/Plumbing – Cons - Contrary/Beyond Approved Plans/PermitsOpen2026-10-06
2026-09-30DEPAir Quality – Chimney/Vent SmokeClosed2026-10-01
2026-09-28DEPAir Quality – Chimney/Vent SmokeClosed2026-09-29
2026-09-22DOBGeneral Construction/Plumbing – Vent/Exhaust - Illegal/ImproperClosed2026-10-27

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-07; data as of 2026-11-07

Nearby properties

More in Park Slope: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

On 3 St

Same tax block (982)

All properties on 3 St, Brooklyn · All of Brooklyn 11215

Open-item counts as of November 6, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs