# 580 Knickerbocker Avenue, Brooklyn, NY 11221 BBL 3033430029 · Block 3343 · Lot 29 · BIN 3076461 Canonical page: https://nycpropertyfacts.com/ny/brooklyn/580-knickerbocker-avenue-3033430029 Last updated: 2026-10-31 · Open-item counts as of 2026-11-08 Also recorded as: 582 Knickerbocker Ave ## Summary 580 Knickerbocker Avenue (Brooklyn, NY 11221; tax lot BBL 3033430029) is a government building (building class Y1: government / city building (subtype Y1)), built around 2005, on a 2,500 sq ft lot zoned R6. City tax records list the owner as FIRE DEPARTMENT OF NEW YORK. The Department of Finance's final market value for tax year 2027 is $6,077,000. As of November 8, 2026, NYC Open Data shows two active DOB violations. 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, “580 Knickerbocker Avenue, Brooklyn, NY 11221 (BBL 3033430029)”, data as of 2026-11-08, https://nycpropertyfacts.com/ny/brooklyn/580-knickerbocker-avenue-3033430029. Source: NYC Open Data. ## Neighborhood Bedford-Stuyvesant (East): https://nycpropertyfacts.com/ny/brooklyn/11221 - Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/11221/open-hpd-violations - Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/11221/active-dob-violations - Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/11221/active-ecb-violations - Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/11221/open-dob-jobs - Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/11221/unpaid-oath-tickets ## ZIP Brooklyn 11221: https://nycpropertyfacts.com/ny/brooklyn/11221 ## Nearby properties Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers. - 579 Knickerbocker Avenue (168 ft): https://nycpropertyfacts.com/ny/brooklyn/579-knickerbocker-avenue-3033440004 - 577 Knickerbocker Avenue (170 ft): https://nycpropertyfacts.com/ny/brooklyn/577-knickerbocker-avenue-3033440005 - 583 Knickerbocker Avenue (170 ft): https://nycpropertyfacts.com/ny/brooklyn/583-knickerbocker-avenue-3033440003 - 585 Knickerbocker Avenue (176 ft): https://nycpropertyfacts.com/ny/brooklyn/585-knickerbocker-avenue-3033440002 - 589 Knickerbocker Avenue (185 ft): https://nycpropertyfacts.com/ny/brooklyn/589-knickerbocker-avenue-3033440001 - 592 Knickerbocker Avenue (196 ft): https://nycpropertyfacts.com/ny/brooklyn/592-knickerbocker-avenue-3033520029 ## Open items | Item | Count | |---|---| | Open DOB jobs (permit issued, not signed off) | 0 | | Active DOB violations | 2 | | Active ECB violations | 0 | | Open HPD violations | 0 | | OATH tickets with unpaid balance | 0 | ## Lot & building - Owner of record: FIRE DEPARTMENT OF NEW YORK - Building class: Y1 – Government / city building (subtype Y1) - Year built: 2005 - Floors: 3 - Units: 0 residential / 1 total - Lot area: 2,500 sq ft · Building area: 15,926 sq ft - Zoning: R6 - Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-08 ## Tax assessment - Tax year 2027 (final roll): market value $6,077,000, assessed value $2,734,650, 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. No records found. ## 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 | |---|---|---|---| | 2007-09-27 | n/a (ISSUED (initial)) | BIS work permit for job 310001887: Plumbing / Plumbing. Issued 2007-09-27, expires 2008-09-26. | ipu4-2q9a | | 2007-09-18 | n/a (ISSUED (renewal)) | BIS work permit for job 301973087: Equipment work / Sprinkler. Issued 2007-09-18, expires 2008-09-17. | ipu4-2q9a | | 2007-09-12 | n/a (ISSUED (renewal)) | BIS work permit for job 302168829: Equipment work / Boiler. Issued 2007-09-12, expires 2008-04-01. | ipu4-2q9a | | 2007-08-08 | n/a (ISSUED (initial)) | BIS work permit for job 310001887: Equipment work / Fire suppression. Issued 2007-08-08, expires 2008-05-01. | ipu4-2q9a | | 2007-04-16 | n/a (ISSUED (renewal)) | BIS work permit for job 301741079: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2007-04-16, expires 2007-12-31. | ipu4-2q9a | | 2007-03-15 | n/a (ISSUED (renewal)) | BIS work permit for job 302229513: Equipment work / Fuel storage. Issued 2007-03-15, expires 2008-03-06. | ipu4-2q9a | | 2007-01-29 | n/a (ISSUED (renewal)) | BIS work permit for job 301911233: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2007-01-29, expires 2007-12-31. | ipu4-2q9a | | 2007-01-29 | n/a (ISSUED (renewal)) | BIS work permit for job 301991165: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2007-01-29, expires 2007-12-31. | ipu4-2q9a | | 2007-01-29 | n/a (ISSUED (renewal)) | BIS work permit for job 301911233: New building. Issued 2007-01-29, expires 2008-01-31. | ipu4-2q9a | | 2007-01-29 | n/a (ISSUED (renewal)) | BIS work permit for job 302075493: Equipment work / Other / general construction. Issued 2007-01-29, expires 2008-01-31. | ipu4-2q9a | | 2007-01-16 | n/a (ISSUED (renewal)) | BIS work permit for job 301911233: Plumbing / Plumbing. Issued 2007-01-16, expires 2008-01-16. | ipu4-2q9a | | 2007-01-09 | n/a (ISSUED (renewal)) | BIS work permit for job 301741079: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2007-01-09, expires 2007-04-01. | ipu4-2q9a | | 2006-12-28 | n/a (ISSUED (renewal)) | BIS work permit for job 301991165: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2006-12-28, expires 2007-01-31. | ipu4-2q9a | | 2006-12-28 | n/a (ISSUED (renewal)) | BIS work permit for job 301911233: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2006-12-28, expires 2007-01-31. | ipu4-2q9a | | 2006-10-12 | n/a (ISSUED (initial)) | BIS work permit for job 302229513: Equipment work / Fuel storage. Issued 2006-10-12, expires 2007-03-06. | ipu4-2q9a | | 2006-07-26 | n/a (ISSUED (initial)) | BIS work permit for job 302168829: Equipment work / Boiler. Issued 2006-07-26, expires 2007-06-12. | ipu4-2q9a | | 2006-06-21 | n/a (ISSUED (initial)) | BIS work permit for job 301973087: Equipment work / Sprinkler. Issued 2006-06-21, expires 2007-06-21. | ipu4-2q9a | | 2006-04-13 | n/a (ISSUED (renewal)) | BIS work permit for job 301741079: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2006-04-13, expires 2006-12-31. | ipu4-2q9a | | 2006-01-25 | n/a (ISSUED (initial)) | BIS work permit for job 302075493: Equipment work / Other / general construction. Issued 2006-01-25, expires 2007-01-31. | ipu4-2q9a | | 2006-01-17 | n/a (ISSUED (initial)) | BIS work permit for job 301911233: Plumbing / Plumbing. Issued 2006-01-17, expires 2007-01-17. | ipu4-2q9a | Showing 20 of 34. Full list: https://nycpropertyfacts.com/api/v1/property/3033430029/permits ## 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 | | 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 | ## 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 | |---|---|---|---| | 2026-07-17 | closed (Closed) | 311 request to NYPD: Illegal Parking – Posted Parking Sign Violation. | erm2-nwe9 | | 2026-06-11 | closed (Closed) | 311 request to NYPD: Illegal Parking – Posted Parking Sign Violation. | erm2-nwe9 | | 2026-04-01 | closed (Closed) | 311 request to NYPD: Illegal Parking – Parking Permit Improper Use. | 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 FIRE DEPARTMENT OF NEW YORK. | 64uk-42ks | --- 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/3033430029