641 Knickerbocker Avenue, Brooklyn, NY 11221
BBL 3033650110 (Borough 3, Block 3365, Lot 110) · BIN 3076918 · Last updated:
Summary · as of October 31, 2026
641 Knickerbocker Avenue (Brooklyn, NY 11221; tax lot BBL 3033650110) is a 3-unit walk-up apartment building (building class C0: three-family walk-up), built around 1931, on a 1,722 sq ft lot zoned R6. City tax records list the owner as SUAREZ, FREDDY S; per ACRIS, a deed to this owner dated April 29, 2005 lists a price of $444,000. The Department of Finance's final market value for tax year 2027 is $881,000. As of October 31, 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
- SUAREZ, FREDDY S
- Building class
- C0 · Three-family walk-up
- Year built · units
- 1931 · 3 res.
- Lot area · zoning
- 1,722 sq ft · R6
- Market value (DOF)
- $881,000 FY2027
- Last priced deed
- $444,000 · 2005-04-29
- BBL
- 3033650110
- BIN
- 3076918
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 0Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “641 Knickerbocker Avenue, Brooklyn, NY 11221 (BBL 3033650110)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/641-knickerbocker-avenue-3033650110. 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)
- SUAREZ, FREDDY SThe 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
- 1931Often 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
- 1,722 sq ft (20 ft × 86.08 ft)
- Building floor area
- 3,300 sq ft
- Zoning
- R6The zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 1.92 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 3033650110 (Borough 3, Block 3365, Lot 110) · BIN 3076918BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).
Agency lookups: DOB BIS · ZoLa (zoning map) · ACRIS
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)
- $881,000The 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
- $52,860The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $32,248Assessed value minus any exemptions.
- Tax class
- Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $881,000 | $52,860 | 1 |
| 2026 | Final | $938,000 | $56,280 | 1 |
| 2025 | Final | $908,000 | $54,480 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-01
Sales & deed history 3
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.
| Date | Type | Price | Seller (grantor) | Buyer (grantee) | Doc ID |
|---|---|---|---|---|---|
| 2005-04-29 | DEED | $444,000 | Castro, Francisca; Castro, Regino | Suarez, Freddy S | 2005050502035001 |
| 1999-07-29 | DEED | $0 / not stated | Lopez, Lourdes; Lopez, Tomas E | Castro, Regino; Csatro, Francisca | FT_3980006896398 |
| 1979-11-26 | DEED | $0 / not stated | Matzelle Anna | Topez Tomas E; Topez Lourdes | BK_7930112001596 |
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 0
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.
No records found in this dataset for this lot.
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 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 2026-10-31; 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 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.
| Status | Issued | Severity | What it was for | Penalty / paid / balance | ECB # |
|---|---|---|---|---|---|
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2004-03-31 | Hazardous | FAILURE TO PROVIDE AT LEAST TWO MEANS OF EGRESS FROM ROOM OR SPACE WHERE REQUIRED NOTE. FULL PARTITIONS WALLS ILLEGALLY ERECTED IN CELLAR ATVARIOUS LOCATIONS CREATING AN ILLEGAL APARTMENT WITH TWO BEDROOMS, KIT | $480 / $480 / $0 | 34444865H |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2004-03-31 | Hazardous | WORK WITHOUT A PERMIT HAZARDOUS NOTE FULL PARTITION WALLS ILLEGALLY ERECTED IN CELLAR AT VARIOUS LOCATIONS CREATING AN ILLEGAL APARTMENT WITH TWO BEDROOMS KITCHEN WITH GAS STOVE DINING AREA BATHROOM WITH SINK | $800 / $800 / $0 | 34444864X |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2004-08-02 | Hazardous | FAILURE TO COMPLY WITH COMMISSIONERS ORDERS.A VIOLATION WAS ISSUED ON 3/31/04 V#34444864X FOR WORK WITHOUT A PERMIT.WORK DONE WAS FULL PARTION WALLS WITH 2 BEDROOMS AND KITCHEN W/ GAS STOVE AND A BATHROOM WITH | $800 / $800 / $0 | 34444252P |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2004-03-31 | Hazardous | RESIDENCE ALTERED FOR OCCUPANCY AS A DWELLING FOR MORE THAN THE LEGALLY APPROVED NUMBER OF FAMILIES C OF O # 204567 INDICATE CELLAR ORDINARYUSE AND ONE FAMILY EACH ON FIRST SECOND AND THIRD FLOORS NOW CELLAR I | $3,050 / $3,050 / $0 | 34444866J |
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-01
OATH tickets (all agencies) 0 unpaid of 13
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.
| Status | Date | Agency | Charge | Respondent | Imposed / paid / balance | Ticket # |
|---|---|---|---|---|---|---|
| No balance due PAID IN FULL | 2026-07-28 | Dos - Enforcement Agents | RECYC PLACED FOR COLLECTION W NON-RECYC 1 TO 8 DWELLING UNITS | SUAREZ FREDDY S | $25 / $25 / $0 | 049945058L |
| No balance due Default PAID IN FULL · DEFAULTED | 2022-05-01 | Pcs - Dohmh | FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1ST | SUAREZ FREDDY S | $330 / $330 / $0 | 0802256658 |
| No balance due PAID IN FULL | 2018-01-20 | Dos - Enforcement Agents | IMPROPER MISUSED CURBSIDE RECYCLING CONTAINER 1 TO 8 DWELLING UNITS | SUAREZ | $25 / $25 / $0 | 041875207Y |
| No balance due PAID IN FULL | 2016-10-01 | Sanitation Dept | FAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS | SUAREZ | $25 / $25 / — | 041719632K |
| No balance due PAID IN FULL | 2015-11-07 | IMPROPER MISUSED CURBSIDE RECYCLING CONTAINER 1 TO 8 DWELLING UNITS | SUAREZ | $25 / $25 / — | 0188870157 | |
| No balance due Default PAID IN FULL · DEFAULT | 2014-06-05 | Sanitation Dept | IMPROPER DISPOSAL BEDDING 1ST OFFENSE | SUAREZ | $130 / $100 / — | 043981930P |
| No balance due PAID IN FULL | 2014-04-19 | FAILURE TO BUNDLE NEWSPAPES MAGAZINES CARDBOARD 1 TO 8 DWELLING UNITS | SUAREZ | $25 / $25 / — | 0184810304 | |
| No balance due PAID IN FULL | 2013-10-12 | Sanitation Dept | RECYC PLACED FOR COLLECTION W NON-RECYC 1 TO 8 DWELLING UNITS | SUAREZ | $25 / $25 / — | 043981204K |
| No balance due PAID IN FULL · IN VIOLATION | 2010-10-09 | LOOSE RUBBISH | SUAREZ | $100 / $100 / — | 0173439889 | |
| No balance due PAID IN FULL · IN VIOLATION | 2004-08-02 | $800 / $800 / — | 034444252P | |||
| No balance due PAID IN FULL · IN VIOLATION | 2004-03-31 | $800 / $800 / — | 034444864X | |||
| No balance due PAID IN FULL · IN VIOLATION | 2004-03-31 | $480 / $480 / — | 034444865H |
Showing 12 of 13 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
- 321363
- Last registered
- 2025-07-11
- Registration valid until
- 2026-09-01 ExpiredRegistrations must be renewed every year.
| Role | Name | Company | Business city |
|---|---|---|---|
| Individualowner | Freddy Suarez | Brooklyn, Ny | |
| Sitemanager | Freddy Suarez |
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 0 open of 7
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.
| Status | Class | Issued | Apt | Condition |
|---|---|---|---|---|
| Closed Violation Dismissed · 2026-05-21 | A | 2026-05-05 | (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. | |
| Closed Violation Dismissed · 2025-07-09 | A | 2025-06-10 | (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. | |
| Closed Violation Dismissed · 2023-12-08 | I | 2023-11-21 | §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 | |
| Closed Violation Dismissed · 2022-11-16 | I | 2022-11-10 | §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 | |
| Closed Violation Dismissed · 2023-03-02 | A | 2022-02-25 | (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. | |
| Closed Violation Dismissed · 2021-10-01 | A | 2021-04-09 | (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 · 2021-07-16 | I | 2021-04-09 | §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 |
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-10-31; data as of 2026-11-01
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 2026-11-01; 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.
| Opened | Agency | Complaint | Status | Closed |
|---|---|---|---|---|
| 2026-08-18 | NYPD | Abandoned Vehicle – With License Plate | Closed | 2026-08-18 |
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
- 643 Knickerbocker Avenue (three open items)
- 645 Knickerbocker Avenue (19 open items)
- 647 Knickerbocker Avenue (one open item)
- 647a Knickerbocker Avenue
- 649 Knickerbocker Avenue (one open item)
- 651 Knickerbocker Avenue (four open items)
- 653 Knickerbocker Avenue (35 open items)
- 654 Knickerbocker Avenue (five open items)
- 655 Knickerbocker Avenue (two open items)
- 656 Knickerbocker Avenue (six open items)
Same tax block (3365)
- 380 Irving Avenue (89 open items)
- 657 Knickerbocker Avenue (42 open items)
- 655 Knickerbocker Avenue (two open items)
- 653 Knickerbocker Avenue (35 open items)
- 651 Knickerbocker Avenue (four open items)
- 649 Knickerbocker Avenue (one open item)
- 647 Knickerbocker Avenue (one open item)
- 647a Knickerbocker Avenue
- 645 Knickerbocker Avenue (19 open items)
- 643 Knickerbocker Avenue (three open items)
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