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6002 20th Avenue, Brooklyn, NY 11204

BBL 3055200040 (Borough 3, Block 5520, Lot 40) · BIN 3339712, 3132226 · Last updated:

Also recorded in city data as: 6004 20 Ave · 6002-6010 20 Ave · 60048 20 Ave · 6004a 20 Ave

Summary · as of October 31, 2026

6002 20th Avenue (Brooklyn, NY 11204; tax lot BBL 3055200040) is a 4-unit mixed-use building with apartments and ground-floor commercial space (building class S9: mixed-use: dwelling with stores or offices, miscellaneous), built around 1931, on a 2,000 sq ft lot zoned R5. City tax records list the owner as MARTEM-1 REALTY CO. The Department of Finance's final market value for tax year 2027 is $1,339,000. As of October 31, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off, 16 active DOB violations, five active ECB violations and six open HPD violations. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
MARTEM-1 REALTY CO
Building class
S9 · Mixed-use: dwelling with stores or offices, miscellaneous
Year built · units
1931 · 4 res.
Lot area · zoning
2,000 sq ft · R5
Market value (DOF)
$1,339,000 FY2027
Last priced deed
—
BBL
3055200040
BIN
3339712, 3132226

How to cite: NYC Property Facts, “6002 20th Avenue, Brooklyn, NY 11204 (BBL 3055200040)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/6002-20th-avenue-3055200040. 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)
MARTEM-1 REALTY COThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
S9 – Mixed-use: dwelling with stores or offices, miscellaneousThe Department of Finance’s category for what kind of building this is.
Land use
Mixed residential & commercialCity Planning’s broad category of how the lot is used.
Year built
1931Often an estimate for older buildings.
Floors
3
Units
4 residential / 8 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
2
Lot size
2,000 sq ft (20 ft × 100 ft)
Building floor area
4,920 sq ft (incl. 1,673 sq ft commercial)
Zoning
R5, C2-2The 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)
2.46 built / 1.50 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 3055200040 (Borough 3, Block 5520, Lot 40) · BIN 3339712, 3132226BBL 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 2026-11-02; 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)
$1,339,000The 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
$602,550The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$97,579Assessed value minus any exemptions.
Tax class
Tax class 2B – residential rental, 7–10 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$1,339,000$602,5502B
2026Final$1,116,000$502,2002B
2025Final$930,000$418,5002B

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-02

Sales & deed history 2

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
2000-07-14DEED$0 / not statedStakis Realty CorpMartem-1 Realty Co LlcFT_3140007284014
1973-04-23DEED$0 / not statedStakis Zachary; Stakis StellaStakis Realty CorpBK_7330062701842

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-02

DOB job filings 1 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
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2013-10-08
340089335
BIS
A3 – Minor alteration (one type of work)2013-10-07—

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-02; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31

Work permits 1

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
2013-10-082014-01-03340089335
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (initial)

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

DOB violations 16 active of 32

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
2005-01-31LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV013105LL629115262
Active
V-DOB VIOLATION - ACTIVE
2005-01-31LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV013105LL629115264
Active
V-DOB VIOLATION - ACTIVE
2005-01-31LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV013105LL629115261
Active
V-DOB VIOLATION - ACTIVE
2005-01-31LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV013105LL629115263
Active
V-DOB VIOLATION - ACTIVE
1994-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV060194LL629112485
Active
V-DOB VIOLATION - ACTIVE
1994-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV060194LL629112483
Active
V-DOB VIOLATION - ACTIVE
1994-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV060194LL629112489
Active
V-DOB VIOLATION - ACTIVE
1994-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV060194LL629112487
Active
V-DOB VIOLATION - ACTIVE
1993-08-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV081693LL629127556
Active
V-DOB VIOLATION - ACTIVE
1993-08-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV081693LL629127558
Active
V-DOB VIOLATION - ACTIVE
1993-08-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV081693LL629127559
Active
V-DOB VIOLATION - ACTIVE
1993-08-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV081693LL629127557
Active
V-DOB VIOLATION - ACTIVE
1993-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV060193LL629112484
Active
V-DOB VIOLATION - ACTIVE
1993-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV060193LL629112482
Active
V-DOB VIOLATION - ACTIVE
1993-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV060193LL629112486

Showing 15 of 32 records. The API and the source dataset have the full list.

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

ECB violations (DOB) 5 active of 5

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: IN VIOLATION · Certification: NO COMPLIANCE RECORDED
2003-06-23Hazardous4A, 19B,50, 50A 19B MISSING 50A SAFETY VALVE DISCHARGE PIPE HAS A THREADED END 50A REMOTE CONTROL SWITCH ON BOILER LEFT SIDE IS HANGIMG DOWN OFF THE ELECTRICAL BOX$400 / $400 / $032041902Z
Active
Hearing: IN VIOLATION · Certification: NO COMPLIANCE RECORDED
2003-06-23Hazardous4A, 19B,32A,50 50 SAFETY VALVE DISCHARGE PIPE HAS A THREADED END 32A ELECTRICAL BOX ABOVE BOILER # 02$400 / $400 / $032041900P
Active
Hearing: IN VIOLATION · Certification: NO COMPLIANCE RECORDED
2003-06-23Hazardous4A, 19A, 50 50 SAFETY VALVE DISCHARGE PIPE HAS A THREADED END$400 / $400 / $032041901R
Active
Hearing: IN VIOLATION · Certification: NO COMPLIANCE RECORDED
2003-06-23Hazardous4A,19B,34A,50 50 SAFETY VAVLE DISCHARGE PIPE HAS THREADED ENDS$400 / $400 / $032041949X
Active
Hearing: WRITTEN OFF
Written off refers to the penalty, not the violation.
1999-10-21Non-HazardousOCCUPANCY CONTRARY TO THAT ALLOWED BY THE C/O #28567 OCCUPANCY CHANGEDTO TIRE REPAIR SHOP.. REMEDY: DICONTINUE ILLEGAL USE OR AMEND C/O$800 / $0 / $034221868P

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-02

OATH tickets (all agencies) 0 unpaid of 29

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
2026-09-17Fire Department Of NycAFFIDAVITS, DESIGN INSTALLATION DOCUMENTS, AND OTHER DOCUMENTATION20TH AVE TIRE SHOP INC$0 / $0 / $0014274261M
Hearing pending
NEW ISSUANCE
2026-09-17Fire Department Of NycFIRE PROTECTION SYSTEMSMARTEM-1 REALTY CO$0 / $0 / $0014274157M
Hearing pending
NEW ISSUANCE
2026-09-17Fire Department Of NycROOFTOP ACCESS AND MEANS OF EGRESSMARTEM-1 REALTY CO$0 / $0 / $0014274159X
Hearing pending Default
RESCHEDULED · DEFAULTED
2026-02-28Fire Department Of NycAFFIDAVITS, DESIGN INSTALLATION DOCUMENTS, AND OTHER DOCUMENTATION20TH AVE TIRE SHOP INC$1,000 / $0 / $1,000014233453X
No balance due
PAID IN FULL
2024-11-29Sanitation RecyclingUNCOVERED RECEPTACLES 1ST OCCURRENCEMARTEM-1 REALTY CO$50 / $50 / $0048631786L
No balance due
PAID IN FULL
2019-04-30Sanitation OthersIMPROPER DISPOSAL BEDDING 1ST OFFENSEMARTEM- I REALTY CO$100 / $100 / $00206380929
No balance due
PAID IN FULL
2017-03-19Sanitation OthersNON-RECYC LEFT IN RECYC CONTAINER FOR COLLECTION 1TO8 DWELLING UNITSMARTON -I REALTY CO$25 / $25 / $00194790741
No balance due
PAID IN FULL · IN VIOLATION
2016-03-15Env ProtectFAILED TO SUBMIT AN ANNUAL TEST REPORT FOR A BACKFLOW PREVENTERMARTEM-1 REALTY CO LLC$50 / $50 / —0189360252
No balance due
HEARING COMPLETED · DISMISSED
2014-11-10Sanitation DeptILLEGAL POSTING OF HANDBILL NOTICEEL ROGO NIGHT CLUB INC— / — / —042244140Y
No balance due
HEARING COMPLETED · DISMISSED
2014-11-10Sanitation DeptILLEGAL POSTING OF HANDBILL NOTICEEL ROGO NIGHT CLUB INC— / — / —042244139R
No balance due
HEARING COMPLETED · DISMISSED
2014-11-10Sanitation DeptILLEGAL POSTING OF HANDBILL NOTICEEL ROGO NIGHT CLUB INC— / — / —042244141X
No balance due
HEARING COMPLETED · DISMISSED
2014-11-10Sanitation DeptILLEGAL POSTING OF HANDBILL NOTICEEL ROGO NIGHT CLUB INC— / — / —042244142H

Showing 12 of 29 records. The API and the source dataset have the full list.

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

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
144524
Last registered
2025-08-30
Registration valid until
2026-09-01 ExpiredRegistrations must be renewed every year.
RoleNameCompanyBusiness city
OfficerMichael MarinakisBrooklyn, Ny
ShareholderEfstathia Marinakis-SergenakisBrooklyn, Ny
AgentArtemios MarinakisBrooklyn, Ny
CorporateownerMARTEM 1 REALTY CO LLCBrooklyn, Ny
HeadofficerArtemios MarinakisBrooklyn, Ny
ShareholderMichael MarinakisBrooklyn, Ny

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-10-28; data as of 2026-11-02; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-02

HPD housing-code violations 6 open of 10

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
Nov Sent Out · 2026-05-01
A2026-05-01(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.
Open
Nov Sent Out · 2025-06-06
A2025-06-06(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.
Open
Nov Sent Out · 2024-04-03
A2024-04-03(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.
Open
Nov Sent Out · 2023-03-20
A2023-03-20(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.
Open
Nov Sent Out · 2022-02-22
A2022-02-22(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.
Open
Nov Sent Out · 2021-04-06
A2021-04-06(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 · 2024-10-16
I2023-11-17§27-2107 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 PREMISE
Closed
Violation Dismissed · 2022-10-05
I2022-02-22§27-2107 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 PREMISE
Closed
Violation Dismissed · 2019-12-18
I2019-10-28§27-2107 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 PREMISE
Closed
Violation Dismissed · 2015-10-23
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 2026-11-02; data as of 2026-11-02

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 2026-11-02

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

Nearby properties

On 20 Ave

Same tax block (5520)

All properties on 20 Ave, Brooklyn · All of Brooklyn 11204 (Bensonhurst)

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