# 689 Knickerbocker Avenue, Brooklyn, NY 11237 BBL 3033850009 · Block 3385 · Lot 9 · BIN 3397160, 3077676 Canonical page: https://nycpropertyfacts.com/ny/brooklyn/689-knickerbocker-avenue-3033850009 Last updated: 2026-10-31 · Open-item counts as of 2026-11-05 Also recorded as: 687 Knickerbocker Ave ## Summary 689 Knickerbocker Avenue (Brooklyn, NY 11237; tax lot BBL 3033850009) is a 4-unit mixed-use building with apartments and ground-floor commercial space (building class S4: mixed-use: four-family home with one store or office), built around 1915, on a 3,800 sq ft lot zoned R6. City tax records list the owner as KTM ENTERPRISES, LLC. The Department of Finance's final market value for tax year 2027 is $1,670,000. As of November 5, 2026, NYC Open Data shows three DOB jobs with a permit issued but no sign-off, four active DOB violations and one open HPD violation. There were three 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, “689 Knickerbocker Avenue, Brooklyn, NY 11237 (BBL 3033850009)”, data as of 2026-11-05, https://nycpropertyfacts.com/ny/brooklyn/689-knickerbocker-avenue-3033850009. Source: NYC Open Data. ## Open items | Item | Count | |---|---| | Open DOB jobs (permit issued, not signed off) | 3 | | Active DOB violations | 4 | | Active ECB violations | 0 | | Open HPD violations | 1 | | OATH tickets with unpaid balance | 0 | ## Lot & building - Owner of record: KTM ENTERPRISES, LLC - Building class: S4 – Mixed-use: four-family home with one store or office - Year built: 1915 - Floors: 3 - Units: 4 residential / 5 total - Lot area: 3,800 sq ft · Building area: 8,200 sq ft - Zoning: R6, C1-3 - Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-05 ## Tax assessment - Tax year 2027 (final roll): market value $1,670,000, assessed value $751,500, tax class 2A - 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 | |---|---|---|---| | 2019-05-30 | recorded (DEED) | DEED dated 2019-05-30 from WILD, RAMONA to KTM ENTERPRISES, LLC, no price stated ($0). | bnx9-e6tj | | 1998-02-20 | recorded (DEED) | DEED dated 1998-02-20 from NAJJAR, IVELISSE to HTB ENTERPRISES LTD, no price stated ($0). | bnx9-e6tj | | 1991-11-27 | recorded (DEED) | DEED dated 1991-11-27 from WILD, MANFRED/EXEC to WILD, RAMONA/IND, no price stated ($0). | bnx9-e6tj | | 1988-12-15 | recorded (DEED) | DEED dated 1988-12-15 from 687 & 9 KNICKERBOCKER AV to WILD, MANFRED, no price stated ($0). | bnx9-e6tj | | 1972-12-27 | recorded (DEED) | DEED dated 1972-12-27 from SCHNEIDER FRIEDRICH to 687 & 9 KNICKERBOCKER AVE CORP, 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 | |---|---|---|---| | 2003-11-25 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 301673375 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. INSTALLATION OF HVAC ROOF TOP UNIT AND DUCT WORK. NO CHANGE TO USE, EGRESS, OR OCCUPANCY. | ic3t-wcy2 | | 1998-08-28 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 300787520 (A1 – Major alteration (changes use, egress or occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. CHANGE USE OF EXISTING 1ST FL FROM EXIST ING FACTORY USE GROUP 17 TO PR OSED STOR USE GROUP 6.NO WORK TO BE PERF ORMED UNDER THIS APPLICATION.FILED IN NJUNCTION WITH APPLICATION#300787539 & 3 007… | ic3t-wcy2 | | 1998-08-28 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 300787539 (A1 – Major alteration (changes use, egress or occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. CHANGE USE OF EXISTING FIRST FLOOR FROM EXISTING FACTORY USE GROUP 17 TO PROPOSED STORE USE GROUP 6. NO WORK TO BE PERFORMED UNDER THIS APPLICATION. FI LED IN CONJUNCTION WIHT APPLICATION # 30 078752… | ic3t-wcy2 | | 2004-03-02 | n/a (ISSUED (initial)) | BIS work permit for job 301673375: Equipment work / Mechanical/HVAC. Issued 2004-03-02, expires 2004-12-25. | ipu4-2q9a | | 2004-03-02 | n/a (ISSUED (initial)) | BIS work permit for job 301673375: Equipment work / Other / general construction. Issued 2004-03-02, expires 2004-12-25. | ipu4-2q9a | | 2004-03-02 | n/a (ISSUED (initial)) | BIS work permit for job 301673375: Plumbing / Plumbing. Issued 2004-03-02, expires 2005-03-02. | ipu4-2q9a | | 1998-11-16 | n/a (ISSUED (initial)) | BIS work permit for job 300787520: Alteration. Issued 1998-11-16, expires 1999-08-19. | ipu4-2q9a | | 1998-11-13 | n/a (ISSUED (initial)) | BIS work permit for job 300787539: Alteration. Issued 1998-11-13, expires 1999-08-19. | ipu4-2q9a | | 1998-09-01 | n/a (ISSUED (initial)) | BIS work permit for job 300787511: Plumbing / Plumbing. Issued 1998-09-01, expires 1999-09-01. | ipu4-2q9a | | 1998-09-01 | n/a (ISSUED (initial)) | BIS work permit for job 300787511: Equipment work / Mechanical/HVAC. Issued 1998-09-01, expires 1999-08-19. | ipu4-2q9a | | 1998-09-01 | n/a (ISSUED (initial)) | BIS work permit for job 300787511: Equipment work / Other / general construction. Issued 1998-09-01, expires 1999-08-19. | ipu4-2q9a | | 1998-09-01 | n/a (RE-ISSUED (initial)) | BIS work permit for job 300787511: Equipment work / Boiler. Issued 1998-09-01, expires 1999-03-27. | 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. | Date | Status | Description | Source | |---|---|---|---| | 2023-06-30 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 | | 2023-06-30 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 | | 2023-06-20 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 | | 2023-04-25 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 | | 2026-09-11 | open (Nov Sent Out) | HPD class B violation (Class B): § 27-2005, 2007 ADMIN. CODE: REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS AT PUBLIC HALL, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 | ## 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. No records found. ## Complaints (HPD since 2019, 311 last 12 months) Complaints are reports, not violations. status mirrors the published complaint / request status. | Date | Status | Description | Source | |---|---|---|---| | 2026-09-28 | open (In Progress) | 311 request to DPR: Overgrown Tree/Branches – Hitting Building. | erm2-nwe9 | | 2026-05-30 | closed (Closed) | 311 request to DSNY: Derelict Vehicles – Derelict Vehicles. | erm2-nwe9 | | 2025-12-16 | closed (Closed) | 311 request to DSNY: Snow or Ice – Sidewalk. | 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 KTM ENTERPRISES, LLC. | 64uk-42ks | | 2019-05-30 | recorded | Grantee (buyer) on the most recent deed (DEED, 2019-05-30). | 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/3033850009