Independent site. Data from NYC Open Data; not affiliated with the City of New York.

NYC Property Factsfree public-records reference

677 Knickerbocker Avenue, Brooklyn, NY 11221

BBL 3033780004 (Borough 3, Block 3378, Lot 4) · BIN 3077318 · Last updated:

Summary · as of October 31, 2026

677 Knickerbocker Avenue (Brooklyn, NY 11221; tax lot BBL 3033780004) is a 3-unit walk-up apartment building (building class C0: three-family walk-up), built around 1910, on a 1,900 sq ft lot zoned R6. City tax records list the owner as HIGH FIVE POINTS MANAGEMENT INC.; the most recent deed with a stated price is dated November 25, 2020 at $1,300,000 (per ACRIS). The Department of Finance's final market value for tax year 2027 is $1,508,000. As of October 31, 2026, NYC Open Data shows 11 open HPD violations and one OATH ticket with an unpaid balance. There was one 311 request in the past 12 months and one HPD complaint since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
HIGH FIVE POINTS MANAGEMENT INC.
Building class
C0 · Three-family walk-up
Year built · units
1910 · 3 res.
Lot area · zoning
1,900 sq ft · R6
Market value (DOF)
$1,508,000 FY2027
Last priced deed
$1,300,000 · 2020-11-25
BBL
3033780004
BIN
3077318

How to cite: NYC Property Facts, “677 Knickerbocker Avenue, Brooklyn, NY 11221 (BBL 3033780004)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/677-knickerbocker-avenue-3033780004. 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)
HIGH FIVE POINTS MANAGEMENT INC.The owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C0 – Three-family walk-upThe 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
1910Often an estimate for older buildings.
Floors
3
Units
3 residential / 3 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
1,900 sq ft (20 ft × 95 ft)
Building floor area
3,600 sq ft
Zoning
R6, C1-3The 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)
1.89 built / 2.43 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 3033780004 (Borough 3, Block 3378, Lot 4) · BIN 3077318BBL 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)
$1,508,000The 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
$90,480The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$25,580Assessed 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$1,508,000$90,4801
2026Final$1,420,000$85,2001
2025Final$1,413,000$84,7801

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

Sales & deed history 6

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
2021-05-25DEED$0 / not statedChan, Bo ChuHigh Five Points Management Inc.2021072301311001
2020-11-25DEED$1,300,000677 Knickerbocker Ave Cg, LlcChan, Bo Chu2020120700426001
2019-01-30DEED$0 / not stated677 Knickerbocker Ave Cg Llc677 Knickerbocker Ave Cg, Llc2019013000173001
2018-04-18DEED$1,110,000Benjamin, Referee, Michael D677 Knickerbocker Ave Cg, Llc2018051700287001
1976-11-18DEED$0 / not statedRumore Luigi; Rumore LuciaPerez Jose; Perez IsabelBK_7630088401924
1967-04-05DEED$0 / not statedPotestio Vincenza; Potestio AngeloRumore Luigi; Rumore LuciaBK_6730039400048

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 0 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
Not open
Approved · 2021-06-29
B00448168-P1
DOB NOW
Alteration2021-06-28$22,500
Not open
LOC Issued · 2021-07-22
B00448168-I1
DOB NOW
Alteration2021-01-06$22,500
Not open
SIGNED OFF · 2021-07-23
340800592
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2020-12-28$30,000
Not open
APPLICATION PROCESSED - ENTIRE · 2019-08-06
340691326
BIS
A3 – Minor alteration (one type of work)2019-08-06—
Not open
PLAN EXAM - DISAPPROVED · 2019-06-27
321593478
BIS
A1 – Major alteration (changes use, egress or occupancy)2019-06-07$673,600

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 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
2021-01-222021-08-20B00448168-I1
DOB NOW
Plumbing
PROPOSED INTERIOR RENOVATION ON CEL, 1ST THRU. 3RD FLOOR. PLUMBING & GAS WORKS AS PER PLAN. GENERAL CONSTRUCNTION WORK UNDER JOB #: 340800592. NO CHANGE IN USE,
Signed-off
2021-01-122021-10-13340800592
BIS
Equipment work / Other / general constructionISSUED (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) 1 unpaid of 25

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
2025-05-16Sanitation PoliceLITTERING 1ST OFFENSEFIELDS$112 / $0 / $112048673119N
Hearing pending
NEW ISSUANCE
2026-10-17Dos - Enforcement AgentsDIRTY SIDEWALKHIGH FIVE POINTS MANAGEMENT IN$50 / $0 / $50080168174Z
No balance due
PAID IN FULL
2026-07-23Dos - Enforcement AgentsFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSHIGH FIVE POINTS MANAGEMENT IN$25 / $25 / $0049793976K
No balance due
PAID IN FULL
2026-06-25Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETHIGH FIVE POINTS MANAGEMENT IN$50 / $50 / $0049885363X
No balance due
HEARING COMPLETED · IN VIOLATION
2026-03-16Sanitation OthersIMPROPER DISPOSAL--BEDDING 1ST OCCURRENCEHIGH FIVE POINTS MANAGEMENT IN$50 / $50 / $0049537997R
No balance due
HEARING COMPLETED · DISMISSED
2026-03-16Dos - Enforcement AgentsIMPROPER DISPOSAL--BEDDING 1ST OCCURRENCEHIGH FIVE POINTS MANAGEMENT IN$0 / $0 / $0049684487R
No balance due
PAID IN FULL
2025-10-02Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETHIGH FIVE POINTS MANAGEMENT IN$50 / $50 / $0049430445Z
No balance due
PAID IN FULL
2024-09-14Sanitation OthersIMPROPER DISPOSAL--BEDDING 1ST OCCURRENCEHIGH FIVE POINTS MANAGEMENT IN$50 / $50 / $0048584933N
No balance due
PAID IN FULL
2023-09-13Dos - Enforcement AgentsSTORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLEHIGH FIVE POINTS MANAGEMENT IN$50 / $50 / $0048087888X
No balance due
PAID IN FULL
2023-06-24Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETHIGH FIVE POINTS MANAGEMENT IN$50 / $50 / $0047904338M
No balance due
PAID IN FULL
2020-12-27Sanitation RecyclingIMPROPER DISPOSAL - 1ST OFFENSECARRASCO$75 / $75 / $0047095000H
No balance due
PAID IN FULL
2020-10-21Sanitation OthersSTORAGE OF RECEPTACLES677 KNICKERBOCKER AVE CG LLC$100 / $100 / $00212553184

Showing 12 of 25 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
321382
Last registered
2020-09-02
Registration valid until
2021-09-01 ExpiredRegistrations must be renewed every year.
RoleNameCompanyBusiness city
OfficerJinkai GaoBrooklyn, Ny
Corporateowner677 KNICKERBOCKER AVE CG, LLCRidgewood, Ny
HeadofficerChunghei CheungRidgewood, Ny
SitemanagerColleen White
AgentJinkai GaoBrooklyn, 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 11 open of 78

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 · 2026-05-05
A2026-05-05(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
Info Nov Sent Out · 2025-11-19
I2025-11-19§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
Open
Nov Sent Out · 2025-06-10
A2025-06-10(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
Info Nov Sent Out · 2024-11-27
I2024-11-27§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
Open
Nov Sent Out · 2024-04-10
A2024-04-10(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
Info Nov Sent Out · 2023-11-21
I2023-11-21§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
Open
Nov Sent Out · 2023-03-23
A2023-03-23(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
Info Nov Sent Out · 2022-11-10
I2022-11-10§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
Open
Nov Sent Out · 2022-02-25
A2022-02-25(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
Info Nov Sent Out · 2022-02-25
I2022-02-25§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
Open
Nov Sent Out · 2021-04-09
A2021-04-09(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 · 2020-11-04
A2020-08-19§ 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX .. AT PUBLIC HALL, 1st STORY
Closed
Violation Dismissed · 2020-11-04
B2020-08-193§ 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING KEY OPERATED PADLOCK ON GATE TO FIRE ESCAPE IN THE KITCHEN LOCATED AT APT 3, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST
Closed
Violation Dismissed · 2020-11-04
B2020-08-193§ 27-2005 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE CERAMIC FLOOR TILES IN THE BATHROOM LOCATED AT APT 3, 3rd STORY
Closed
Violation Dismissed · 2020-11-04
C2020-08-193§ 27-2026 ADM CODE REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTE LINE AT SINK IN THE BATHROOM LOCATED AT APT 3, 3rd STORY
Closed
Violation Dismissed · 2020-11-04
B2020-08-193§ 27-2037, 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES LIGHT FIXTURES AT CEILING IN THE BATHROOM LOCATED AT APT 3, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
Closed
Violation Dismissed · 2020-11-04
A2020-08-19§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT AT CEILING AT PUBLIC HALL, 3rd STORY
Closed
Violation Dismissed · 2020-11-04
B2020-08-19§ 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE ELECTRICAL FIXTURE AT EAST WALL AT PUBLIC HALL, 3rd STORY
Closed
Violation Dismissed · 2020-11-04
B2020-08-193§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE 4th ROOM FROM EAST LOCATED AT APT 3, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST
Closed
Violation Dismissed · 2020-11-04
B2020-08-19§ 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING 100 WATTS MINIMUM REQUIRED FIXTURE PRESENT LIGHT NOT ON

Showing 20 of 78 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 1

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
2026-10-20CLOSEBLDGHeat/Hot Water – Entire BuildingHPD responded to a complaint of no heat or hot water in the building. An occupant of the building confirmed heat and hot water had been restored when the Inspector attempted to conduct the inspection

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
2026-10-20HPDHEAT/HOT WATER – ENTIRE BUILDINGClosed2026-10-24

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

Nearby properties

On Knickerbocker Ave

Same tax block (3378)

All properties on Knickerbocker Ave, Brooklyn · All of Brooklyn 11221 (Bedford-Stuyvesant (East))

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