# 857 Knickerbocker Avenue, Brooklyn, NY 11207 BBL 3034310009 · Block 3431 · Lot 9 · BIN 3079578 Canonical page: https://nycpropertyfacts.com/ny/brooklyn/857-knickerbocker-avenue-3034310009 Last updated: 2026-10-31 · Open-item counts as of 2026-10-31 ## Summary 857 Knickerbocker Avenue (Brooklyn, NY 11207; tax lot BBL 3034310009) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S2: mixed-use: two-family home with one store or office), built around 1931, on a 1,500 sq ft lot zoned R6. City tax records list the owner as BOUILLON, JR., ROBERT; per ACRIS, a deed to this owner dated January 23, 2009 lists a price of $646,187. The Department of Finance's final market value for tax year 2027 is $1,639,000. As of October 31, 2026, NYC Open Data shows one OATH ticket with an unpaid balance. There were five 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.) How to cite: NYC Property Facts, “857 Knickerbocker Avenue, Brooklyn, NY 11207 (BBL 3034310009)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/857-knickerbocker-avenue-3034310009. Source: NYC Open Data. ## Open items | Item | Count | |---|---| | Open DOB jobs (permit issued, not signed off) | 0 | | Active DOB violations | 0 | | Active ECB violations | 0 | | Open HPD violations | 0 | | OATH tickets with unpaid balance | 1 | ## Lot & building - Owner of record: BOUILLON, JR., ROBERT - Building class: S2 – Mixed-use: two-family home with one store or office - Year built: 1931 - Floors: 2 - Units: 2 residential / 3 total - Lot area: 1,500 sq ft · Building area: 2,700 sq ft - Zoning: R6 - Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-10-31 ## Tax assessment - Tax year 2027 (final roll): market value $1,639,000, assessed value $98,340, tax class 1 - Source: DOF Property Valuation and Assessment Data (https://data.cityofnewyork.us/d/8y4t-faws) ## Sales & deeds (ACRIS) Deeds recorded with the City Register. amount 0 usually means a non-market transfer. lots_in_deed > 1 means the price covers several lots. | Date | Status | Description | Source | |---|---|---|---| | 2009-01-23 | recorded (DEED) | DEED dated 2009-01-23 from SCHAEFFER CLUSTER, LLC to BOUILLON, JR., ROBERT, stated price $646,187.11. | bnx9-e6tj | | 2006-06-21 | recorded (DEED) | DEED dated 2006-06-21 from THE SECRETARY OF HOUSING AND URBAN DEVELOPMENT to SCHAEFFER CLUSTER, LLC, stated price $5 for a deed covering 5 lots. | bnx9-e6tj | | 2001-04-06 | recorded (DEED) | DEED dated 2001-04-06 from HOMES FOR FAMILIES INC to HUD, no price stated ($0). | bnx9-e6tj | | 1999-10-29 | recorded (DEED) | DEED dated 1999-10-29 from NIXON, SAUL to HOME FOR FAMILIES INC, no price stated ($0). | bnx9-e6tj | | 1983-05-17 | recorded (DEED) | DEED dated 1983-05-17 from ; COMMISSIONER OF FINANCE to NEW YORK CITY, no price stated ($0) for a deed covering 2311 lots. | bnx9-e6tj | | 1982-02-22 | recorded (DEED) | DEED dated 1982-02-22 from JONES, LEE to NIXON, SAUL, no price stated ($0). | bnx9-e6tj | | 1967-04-25 | recorded (DEED) | DEED dated 1967-04-25 from JONES ANNA; JONES LEE to JONES LEE, no price stated ($0). | bnx9-e6tj | | 1967-02-21 | recorded (DEED) | DEED dated 1967-02-21 from HECKLER ALLAN to JONES LEE; JONES ANNE, no price stated ($0). | bnx9-e6tj | | 1967-01-11 | recorded (DEED) | DEED dated 1967-01-11 from SKOP YETTA to HECKLER ALLAN, no price stated ($0). | bnx9-e6tj | ## Open DOB jobs and recent work permits A DOB "job" is an application to do construction work. status "open" = a permit was issued but DOB has no record of final sign-off. Work permits are listed with type "work_permit" and their DOB permit status (they are not counted as open items). | Date | Status | Description | Source | |---|---|---|---| | 2006-08-23 | n/a (ISSUED (renewal)) | BIS work permit for job 301831631: Alteration. Issued 2006-08-23, expires 2007-08-30. | ipu4-2q9a | | 2006-08-23 | n/a (ISSUED (renewal)) | BIS work permit for job 301831631: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2006-08-23, expires 2007-08-30. | ipu4-2q9a | | 2006-08-10 | n/a (ISSUED (initial)) | BIS work permit for job 301831631: Plumbing / Plumbing. Issued 2006-08-10, expires 2007-08-10. | ipu4-2q9a | | 2006-06-20 | n/a (ISSUED (initial)) | BIS work permit for job 301831631: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2006-06-20, expires 2006-08-30. | ipu4-2q9a | | 2006-06-20 | n/a (ISSUED (initial)) | BIS work permit for job 301831631: Alteration. Issued 2006-06-20, expires 2006-08-30. | ipu4-2q9a | ## Open violations (DOB, ECB, HPD) status "open" = DOB violation category is ACTIVE, ECB violation status is ACTIVE, or HPD violation status is Open. No records found. ## OATH tickets with unpaid balance or pending status "open" = balance due > $0 after a decision (cases awaiting a hearing are "pending"). default=true means the respondent did not appear. | Date | Status | Description | Source | |---|---|---|---| | 2026-04-11 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi | ## Complaints (HPD since 2019, 311 last 12 months) Complaints are reports, not violations. status mirrors the published complaint / request status. | Date | Status | Description | Source | |---|---|---|---| | 2026-08-24 | closed (Closed) | 311 request to DEP: Sewer Maintenance – Flooding on Street. | erm2-nwe9 | | 2026-05-10 | closed (Closed) | 311 request to NYPD: Noise - Vehicle – Car/Truck Music. | erm2-nwe9 | | 2026-05-10 | closed (Closed) | 311 request to NYPD: Noise - Street/Sidewalk – Loud Music/Party. | erm2-nwe9 | | 2026-03-27 | closed (Closed) | 311 request to NYPD: Noise - Commercial – Banging/Pounding. | erm2-nwe9 | | 2026-02-16 | closed (Closed) | 311 request to NYPD: Noise - Commercial – Banging/Pounding. | erm2-nwe9 | ## Owners & contacts Owner of record comes from city tax records (PLUTO) and can lag behind recent sales. | Date | Status | Description | Source | |---|---|---|---| | 2026-08-24 | current | City tax records (PLUTO) list the owner as BOUILLON, JR., ROBERT. | 64uk-42ks | | 2009-01-23 | recorded | Grantee (buyer) on the most recent deed (DEED, 2009-01-23). | 636b-3b5g | --- Independent site. Data from NYC Open Data; not affiliated with the City of New York. Not a title search or official record; verify with the issuing agency. JSON: https://nycpropertyfacts.com/api/v1/property/3034310009