# 3 Knickerbocker Avenue, Brooklyn, NY 11237 BBL 3029920008 · Block 2992 · Lot 8 · BIN 3070608 Canonical page: https://nycpropertyfacts.com/ny/brooklyn/3-knickerbocker-avenue-3029920008 Last updated: 2026-11-03 · Open-item counts as of 2026-10-31 ## Summary 3 Knickerbocker Avenue (Brooklyn, NY 11237; tax lot BBL 3029920008) is a 1-unit garage or parking property (building class G9: garage, gas station or parking (subtype G9)), built around 1931, on a 1,575 sq ft lot zoned M1-2. City tax records list the owner as 3 KNICKERBOCKER, LLC; per ACRIS, a deed to this owner dated November 26, 2019 lists a price of $1,500,000. The Department of Finance's final market value for tax year 2027 is $550,000. As of October 31, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off and four active DOB violations. There were nine 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, “3 Knickerbocker Avenue, Brooklyn, NY 11237 (BBL 3029920008)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/3-knickerbocker-avenue-3029920008. Source: NYC Open Data. ## Open items | Item | Count | |---|---| | Open DOB jobs (permit issued, not signed off) | 1 | | Active DOB violations | 4 | | Active ECB violations | 0 | | Open HPD violations | 0 | | OATH tickets with unpaid balance | 0 | ## Lot & building - Owner of record: 3 KNICKERBOCKER, LLC - Building class: G9 – Garage, gas station or parking (subtype G9) - Year built: 1931 - Floors: 2 - Units: 1 residential / 2 total - Lot area: 1,575 sq ft · Building area: 2,650 sq ft - Zoning: M1-2 - Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-04 ## Tax assessment - Tax year 2027 (final roll): market value $550,000, assessed value $247,500, tax class 4 - 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 | |---|---|---|---| | 2019-11-26 | recorded (DEED) | DEED dated 2019-11-26 from MERCADO, LUIS to 3 KNICKERBOCKER, LLC, stated price $1,500,000. | bnx9-e6tj | | 1983-09-28 | recorded (DEED) | DEED dated 1983-09-28 from S & S ASSOCIATES to TURETSKY, MARK; TURETSKY, MATTHEW, no price stated ($0) for a deed covering 7 lots. | bnx9-e6tj | | 1982-12-15 | recorded (DEED) | DEED dated 1982-12-15 from ARETHAS, JOHN; KALLENEKOS, STELLIANOS; KALLENEKOS, LOULA to MERCADO, LUIS, no price stated ($0). | bnx9-e6tj | | 1967-01-04 | recorded (DEED) | DEED dated 1967-01-04 from GRUBER THEODORE R to KALLENEKOS STELIANOS; ARETHAS JOHN, no price stated ($0). | bnx9-e6tj | | 1966-01-06 | recorded (DEED) | DEED dated 1966-01-06 from KOLONICS CORP to GRUBER THEODORE R, no price stated ($0) for a deed covering 2 lots. | 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 | |---|---|---|---| | 2005-08-16 | open (PERMIT ISSUED - PARTIAL JOB) | BIS job 301996151 (A1 – Major alteration (changes use, egress or occupancy)): PERMIT ISSUED - PARTIAL JOB — permit issued, no sign-off on record. PROPOSED TO RENOVATE, REMOVE VIOLATION AND OBTAIN NEW CERTIFICATE OF OCCUPANCY TO EXISTING AUTO RADIATOR AND SINGLE FAMILY. SUPERCEDE C OF O # 18786 / 1923. | ic3t-wcy2 | | 2022-03-10 | n/a (Signed-off) | DOB NOW work permit for job B00340190-I1: Plumbing — Amend Plumbing per Inspector comments: Add Cooking-Residential to Gas Usage; Change Type of Meter to Individual; Delete Gas Boiler from Appliances/Equipment; A…. Issued 2022-03-10, expires 2022-08-12. | rbx6-tga4 | | 2022-02-10 | n/a (ISSUED (initial)) | BIS work permit for job 340835074: Equipment work / Other / general construction. Issued 2022-02-10, expires 2022-06-12. | ipu4-2q9a | | 2021-08-06 | n/a (ISSUED (renewal)) | BIS work permit for job 322034222: Alteration. Issued 2021-08-06, expires 2022-05-16. | ipu4-2q9a | | 2021-06-17 | n/a (Signed-off) | DOB NOW work permit for job B00536434-I1: Boiler Equipment — Replace existing Weil McLain conventional cast iron boiler with wall hung Rheem Direct Vent Combination Boiler.. Issued 2021-06-17, expires 2022-06-17. | rbx6-tga4 | | 2021-02-25 | n/a (Signed-off) | DOB NOW work permit for job B00340190-I1: Plumbing — Amend Plumbing per Inspector comments: Add Cooking-Residential to Gas Usage; Change Type of Meter to Individual; Delete Gas Boiler from Appliances/Equipment; A…. Issued 2021-02-25, expires 2022-02-25. | rbx6-tga4 | | 2020-12-15 | n/a (ISSUED (initial)) | BIS work permit for job 340770892: Equipment work / Other / general construction. Issued 2020-12-15, expires 2021-08-10. | ipu4-2q9a | | 2020-12-03 | n/a (Signed-off) | DOB NOW work permit for job B00340197-I1: Mechanical Systems — Mechanical work associated with Alteration Level 1 project #322034222.. Issued 2020-12-03, expires 2021-05-16. | rbx6-tga4 | | 2020-08-03 | n/a (ISSUED (initial)) | BIS work permit for job 322034222: Alteration. Issued 2020-08-03, expires 2021-06-09. | ipu4-2q9a | | 2019-08-05 | n/a (ISSUED (initial)) | BIS work permit for job 321965771: Equipment work / Other / general construction. Issued 2019-08-05, expires 2021-01-31. | ipu4-2q9a | | 2019-08-05 | n/a (ISSUED (initial)) | BIS work permit for job 321965771: Plumbing / Plumbing. Issued 2019-08-05, expires 2021-01-31. | ipu4-2q9a | | 2005-09-14 | n/a (ISSUED (initial)) | BIS work permit for job 301996151: Alteration. Issued 2005-09-14, expires 2006-03-11. | 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 | |---|---|---|---| | 2025-11-14 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 | | 2024-09-23 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2023 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 2020 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 | ## 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 | |---|---|---|---| | 2026-06-19 | closed (Closed) | 311 request to NYPD: Noise - Commercial – Loud Music/Party. | erm2-nwe9 | | 2026-05-31 | closed (Closed) | 311 request to NYPD: Noise - Commercial – Loud Music/Party. | erm2-nwe9 | | 2026-05-31 | closed (Closed) | 311 request to NYPD: Noise - Residential – Loud Music/Party. | erm2-nwe9 | | 2026-05-31 | closed (Closed) | 311 request to NYPD: Noise - Residential – Loud Music/Party. | erm2-nwe9 | | 2026-05-31 | closed (Closed) | 311 request to NYPD: Noise - Residential – Loud Music/Party. | erm2-nwe9 | | 2026-05-05 | closed (Closed) | 311 request to NYPD: Noise - Commercial – Loud Music/Party. | erm2-nwe9 | | 2026-05-01 | closed (Closed) | 311 request to NYPD: Noise - Residential – Loud Talking. | erm2-nwe9 | | 2026-04-19 | closed (Closed) | 311 request to NYPD: Noise - Residential – Loud Music/Party. | erm2-nwe9 | | 2026-03-29 | closed (Closed) | 311 request to DEP: Water System – Hydrant Leaking (WC1). | 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 3 KNICKERBOCKER, LLC. | 64uk-42ks | | 2019-11-26 | recorded | Grantee (buyer) on the most recent deed (DEED, 2019-11-26). | 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/3029920008