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6830 3rd Avenue, Brooklyn, NY 11220

BBL 3058620053 (Borough 3, Block 5862, Lot 53) · BIN 3145154 · Last updated:

Also recorded in city data as: 6828-6830 3 Ave

Summary · as of October 31, 2026

6830 3rd Avenue (Brooklyn, NY 11220; tax lot BBL 3058620053) is a 7-unit walk-up apartment building (building class C7: walk-up apartments, more than six families, with stores), built around 1910, on a 2,250 sq ft lot zoned R6B. City tax records list the owner as 6830 3RD AVENUE LLC. The Department of Finance's final market value for tax year 2027 is $956,000. As of October 31, 2026, NYC Open Data shows two DOB jobs with a permit issued but no sign-off, 47 open HPD violations and two OATH tickets with an unpaid balance. There was one 311 request in the past 12 months and four HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
6830 3RD AVENUE LLC
Building class
C7 · Walk-up apartments, more than six families, with stores
Year built · units
1910 · 7 res.
Lot area · zoning
2,250 sq ft · R6B
Market value (DOF)
$956,000 FY2027
Last priced deed
—
BBL
3058620053
BIN
3145154

How to cite: NYC Property Facts, “6830 3rd Avenue, Brooklyn, NY 11220 (BBL 3058620053)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/6830-3rd-avenue-3058620053. 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)
6830 3RD AVENUE LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C7 – Walk-up apartments, more than six families, with storesThe 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
1910Often an estimate for older buildings.
Floors
4
Units
7 residential / 8 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,250 sq ft (21.92 ft × 102.67 ft)
Building floor area
6,725 sq ft (incl. 1,680 sq ft commercial)
Zoning
R6B, C1-3, BRThe 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)
2.99 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 3058620053 (Borough 3, Block 5862, Lot 53) · BIN 3145154BBL 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 2026-11-01; 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)
$956,000The 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
$430,200The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$256,428Assessed value minus any exemptions.
Tax class
Tax class 2B – residential rental, 7–10 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$956,000$430,2002B
2026Final$797,000$358,6502B
2025Final$900,000$405,0002B

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-01

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
2021-05-07DEED$0 / not statedThermos, John6830 3rd Avenue Llc2021062100624001
1997-10-31DEED$0 / not statedThermos, John; Papadimitriou, AnastasiosThermos, JohnFT_3900005885090
1983-12-28DEED$0 / not statedMavrogiannis, Constanti.Papadimitriou, Anastasio; Thermos, JohnFT_3590000995959
1980-07-24DEED$0 / not statedLombardi ClaraMaurogiannis ConstantinosBK_8030117500149

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-01; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-01; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-01

DOB job filings 2 open of 5

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 Entire · 2026-06-24
B01418757-I1
DOB NOW
Alteration2026-06-18$9,000
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2005-02-02
301886421
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2005-01-24$2,000
Not open
SIGNED OFF · 2006-11-17
302229924
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2006-09-27—
Not open
SIGNED OFF · 1997-02-25
300383243
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1994-08-05$2,000
Not open
PLAN EXAM - APPROVED · 1991-08-16
300111821
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1991-07-17$1,500

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

Work permits 5

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
2026-06-242026-09-22B01418757-I1
DOB NOW
Sidewalk Shed
INSTALLATION OF 300PSF SIDEWALK SHED AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CH #33 OF THE NYC CODE 2022. NO CHANGE IN USE, OCCUPANCY OR EGRESS UNDER THIS
Permit Issued
2006-09-292006-10-01302229924
BIS
Equipment work / BoilerISSUED (initial)
2006-09-292006-10-01302229924
BIS
Equipment work / Fuel burningISSUED (initial)
2005-02-022005-04-01301886421
BIS
Equipment work / Fire suppressionISSUED (initial)
1994-09-301995-01-05300383243
BIS
Equipment work / Fire suppressionISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-10-31; data as of 2026-11-01; 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 2026-10-31; data as of 2026-11-01

ECB violations (DOB) 0 active of 0

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.

No records found in this dataset for this lot.

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-01

OATH tickets (all agencies) 2 unpaid of 47

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 #
Unpaid balance Default
DOCKETED · DEFAULTED
2025-12-23Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET6830 3RD AVENUE LLC$300 / $0 / $300049540691L
Unpaid balance Default
DOCKETED · DEFAULTED
2025-01-25Sanitation OthersDIRTY SIDEWALKHIMALAYAN BEANS$300 / $0 / $300048805768P
Hearing pending
NEW ISSUANCE
2026-10-23Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST6830 3RD AVENUE LLC$50 / $0 / $50080047701K
Hearing pending
NEW ISSUANCE
2026-10-06Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST6830 3RD AVENUE LLC$50 / $0 / $50080157824H
No balance due
PAID IN FULL
2026-07-11Sanitation OthersDIRTY SIDEWALK COMM MAN INDUSTRIAL MIXED USE 1STTWO BROTHERS RESTAURANT CAFE$50 / $50 / $0049963371R
No balance due
PAID IN FULL
2025-12-02Sanitation OthersDIRTY SIDEWALK6830 3RD AVENUE LLC$50 / $50 / $0049410854L
No balance due
PAID IN FULL
2025-10-21Dos - Enforcement AgentsFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS6830 3RD AVENUE LLC$25 / $50 / $-25049524409Z
No balance due
PAID IN FULL
2025-08-12Sanitation OthersIMPROPER DISPOSAL--BEDDING 1ST OCCURRENCE6830 3RD AVENUE LLC$50 / $75 / $-25049250047P
No balance due
PAID IN FULL · SETTL IN-VIO
2025-07-17Dos - Enforcement AgentsSIDEWALK OBSTRUCTION COMM MAN INDUSTRIAL MIXED USE 1STMUSTANG BEANS CORP$450 / $263 / $0049245128K
No balance due
PAID IN FULL
2025-02-21Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST6830 3RD AVENUE LLC$50 / $50 / $0048894247R
No balance due
PAID IN FULL · IN VIOLATION
2024-11-12Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET6830 3RD AVENUE LLC$50 / $50 / $0048726253K
No balance due
PAID IN FULL
2023-07-05Sanitation OthersSTORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE6830 3RD AVENUE LLC$50 / $50 / $0047432769L

Showing 12 of 47 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-01; data as of 2026-11-01

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
127915
Last registered
2026-06-24
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
HeadofficerJohn ThermosBrooklyn, Ny
AgentJohn Thermos6830 3rd AVE LLCBrooklyn, Ny
LesseeJohn Thermos6830 3RD AVENUE LLCBrooklyn, Ny
SitemanagerJohn Thermos
Corporateowner6830 3RD AVENUE LLCBrooklyn, Ny
OfficerJohn ThermosBrooklyn, Ny

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-10-28; data as of 2026-11-01; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-01

HPD housing-code violations 47 open of 59

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
Not Complied With · 2020-08-17
B2020-05-28§ 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES CONSISTING OF AIR CONDITIONER UNITS PROTRUDING AT WINDOW SILLS AT 3RD AND 4TH STORY BALCONIES CAUSED TRESPASSING AT BUILDING FRONT
Open
Not Complied With · 2020-03-15
C2019-12-30§ 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM ... AT PUBLIC HALL, 1st STORY
Open
Nov Sent Out · 2008-08-19
B2008-08-19SECTION 300, 301, 302, M/D LAW FILE PLANS AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE FOLLOWING ALTERATION OR RESTORE PREMISES TO PRIOR LEGAL CONDITION 1 STY REAR APT CONVERTED INTO RESTURANT.
Open
Not Complied With · 2008-09-08
B2008-07-213FSECTION 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH
Open
Not Complied With · 2008-09-08
B2008-07-213FSECTION 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH
Open
Nov Certified Late · 2008-08-05
A2005-12-153FSECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT , 1st DOOR FROM SOUTH AT WEST WALL, 1st DOOR FRAME FROM SOUTH AT WEST WALL, 2nd WINDOW FRAME FROM EAST AT SOUTH WALL, 1st WINDOW FRAME FROM EAST AT SOUTH WALL, SOUTH
Open
Nov Certified Late · 2008-08-05
A2005-12-153FSECTION 27-2005 ADM CODE PAINT METAL IN ACCORDANCE WITH DEPT. REGULATION , 1st RISER FROM WEST AT NORTH WALL IN THE 2nd ROOM FROM NORTH AT WEST LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Certified Late · 2008-08-05
A2005-12-153FSECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT , 1st WINDOW FRAME FROM EAST AT SOUTH WALL IN THE 3rd ROOM FROM NORTH AT WEST LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Certified Late · 2008-08-05
A2005-12-153FSECTION 27-2005 ADM CODE PAINT METAL IN ACCORDANCE WITH DEPT. REGULATION , 1st RADIATOR FROM EAST AT SOUTH WALL IN THE 3rd ROOM FROM NORTH AT EAST LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Certified Late · 2008-08-05
A2005-12-153FSECTION 27-2005 ADM CODE PAINT METAL IN ACCORDANCE WITH DEPT. REGULATION , 1st DOOR FRAME FROM WEST AT NORTH WALL IN THE KITCHENETTE LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Certified Late · 2008-08-05
A2005-12-153FSECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT , 1st WINDOW FRAME FROM WEST AT NORTH WALL IN THE 2nd ROOM FROM NORTH AT WEST LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Certified Late · 2008-08-05
A2005-12-153FSECTION 27-2005 ADM CODE PAINT METAL IN ACCORDANCE WITH DEPT. REGULATION , 1st RISER FROM SOUTH AT WEST WALL IN THE BATHROOM LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Certified Late · 2008-08-05
A2005-12-153FSECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT , EAST WALL, WEST WALL, CEILING IN THE BATHROOM LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Certified Late · 2008-08-05
A2005-12-153FSECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT , 1st DOOR FROM WEST AT NORTH WALL, EAST WALL, 1st WINDOW FRAME FROM SOUTH AT WEST WALL IN THE KITCHENETTE LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT N
Open
Nov Certified Late · 2008-08-05
B2005-12-143FSECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2005-12-13
B2005-12-133FSECTION 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2004-05-05
B2004-05-05SECTION 27-2010, 2011, 2012 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE BOXES WITH FOOD & OLD FURNITURE AT CELLAR
Open
Nov Sent Out · 1997-02-18
B1997-02-184FSECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE INTERCOM SYSTEM VESTIBULE TO 4 STY FRONT APT 4F LOCATED AT APT 4F
Open
Nov Sent Out · 1997-02-18
B1997-02-18SECTION 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF VENT PIPE FROM STOVE NOT TEN FEET ABOVE ROOF AT FRONT CENTER ROOF
Open
Nov Sent Out · 1995-11-06
B1995-11-064RSECTION 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN MICE AND ROACHES AND WATERBUGS THRU OUT 4 STY REAR APT 4R. , SECTION '' ''

Showing 20 of 59 records — open violations are listed first; the API lists every one. The API and the source dataset have the full list.

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-10-31; data as of 2026-11-01

HPD complaints 4

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
2023-11-15CLOSE4RHeat/Hot Water – Apartment OnlyThe Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been closed
2023-02-26CLOSEBLDGHeat/Hot Water – Entire BuildingThe Department of Housing Preservation and Development responded to a complaint of no heat or hot water and was advised by a tenant in the building that heat and hot water had been restored. If the co
2021-02-11CLOSE2RHeat/Hot Water – Entire BuildingThe Department of Housing Preservation and Development responded to a complaint of no heat or hot water and was advised by a tenant in the building that heat and hot water had been restored. If the co
2019-12-20CLOSE3RHeat/Hot Water – Entire BuildingThe Department of Housing Preservation and Development responded to a complaint of no heat or hot water and was advised by a tenant in the building that heat and hot water had been restored. If the co

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-01; data as of 2026-11-01

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
2025-11-04DSNYDirty Condition – TrashClosed2025-11-10

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-01; data as of 2026-11-01

Nearby properties

On 3 Ave

Same tax block (5862)

All properties on 3 Ave, Brooklyn · All of Brooklyn 11220 (Sunset Park (Central))

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