{"bbl":"3033920005","bins":["3078030"],"address":"723 Knickerbocker Avenue, Brooklyn, NY 11221","address_line":"723 Knickerbocker Avenue","borough":"Brooklyn","zip":"11221","block":3392,"lot":5,"url":"https://nycpropertyfacts.com/ny/brooklyn/723-knickerbocker-avenue-3033920005","markdown_url":"https://nycpropertyfacts.com/ny/brooklyn/723-knickerbocker-avenue-3033920005.md","api_url":"https://nycpropertyfacts.com/api/v1/property/3033920005","summary":"723 Knickerbocker Avenue (Brooklyn, NY 11221; tax lot BBL 3033920005) is an 8-unit walk-up apartment building (building class C1: walk-up apartments, more than six families, no stores), built around 1910, on a 2,550 sq ft lot zoned R6. City tax records list the owner as RAMIREZ, EMPERATRIZ. The Department of Finance's final market value for tax year 2027 is $1,328,000. As of October 31, 2026, NYC Open Data shows seven active DOB violations, one active ECB violation, 24 open HPD violations and one OATH ticket with an unpaid balance. There were 14 311 requests in the past 12 months and three 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, “723 Knickerbocker Avenue, Brooklyn, NY 11221 (BBL 3033920005)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/723-knickerbocker-avenue-3033920005. Source: NYC Open Data.","citation_note":"Quote the summary as-is and cite with how_to_cite (includes the canonical URL and the data-as-of date).","data_as_of":"2026-10-31","last_updated":"2026-10-31","open_items":{"total":33,"dob_jobs_permit_not_signed_off":0,"dob_violations_active":7,"ecb_violations_active":1,"hpd_violations_open":24,"oath_tickets_unpaid":1,"data_as_of":"2026-10-31"},"facts":{"owner_of_record":"RAMIREZ, EMPERATRIZ","building_class":"C1","building_class_description":"Walk-up apartments, more than six families, no stores","land_use":"Multi-family walk-up buildings","year_built":1910,"floors":4,"buildings":1,"residential_units":8,"total_units":8,"lot_area_sqft":2550,"building_area_sqft":7956,"zoning":["R6"],"historic_district":null,"landmark":null,"latitude":40.6942052,"longitude":-73.9097636,"dataset_id":"64uk-42ks","dataset":"PLUTO (Dept. of City Planning)","url":"https://data.cityofnewyork.us/d/64uk-42ks","dataset_updated":"2026-08-24","data_as_of":"2026-10-31"},"assessment":{"tax_year":"2027","roll":"final","market_value":1328000,"assessed_value":597600,"tax_class":"2B","dataset_id":"8y4t-faws","dataset":"DOF Property Valuation and Assessment Data","url":"https://data.cityofnewyork.us/d/8y4t-faws","dataset_updated":"2026-09-14","data_as_of":"2026-10-31"},"last_priced_deed":null,"record_counts":{"permits":4,"violations":43,"complaints":17,"hearings":38,"sales":9,"owners":5},"sections":{"permits":"https://nycpropertyfacts.com/api/v1/property/3033920005/permits","violations":"https://nycpropertyfacts.com/api/v1/property/3033920005/violations","complaints":"https://nycpropertyfacts.com/api/v1/property/3033920005/complaints","hearings":"https://nycpropertyfacts.com/api/v1/property/3033920005/hearings","sales":"https://nycpropertyfacts.com/api/v1/property/3033920005/sales","owners":"https://nycpropertyfacts.com/api/v1/property/3033920005/owners"},"also_recorded_as":[],"sources":[{"key":"pluto","dataset_id":"64uk-42ks","dataset":"PLUTO (Dept. of City Planning)","url":"https://data.cityofnewyork.us/d/64uk-42ks","dataset_updated":"2026-08-24","data_as_of":"2026-10-31"},{"key":"footprints","dataset_id":"5zhs-2jue","dataset":"Building Footprints","url":"https://data.cityofnewyork.us/d/5zhs-2jue","dataset_updated":"2026-10-25","data_as_of":"2026-10-31"},{"key":"dob_permits_bis","dataset_id":"ipu4-2q9a","dataset":"DOB Permit Issuance (BIS)","url":"https://data.cityofnewyork.us/d/ipu4-2q9a","dataset_updated":"2026-10-31","data_as_of":"2026-10-31"},{"key":"dob_now_permits","dataset_id":"rbx6-tga4","dataset":"DOB NOW: Build – Approved Permits","url":"https://data.cityofnewyork.us/d/rbx6-tga4","dataset_updated":"2026-10-30","data_as_of":"2026-10-31"},{"key":"dob_jobs_bis","dataset_id":"ic3t-wcy2","dataset":"DOB Job Application Filings (BIS)","url":"https://data.cityofnewyork.us/d/ic3t-wcy2","dataset_updated":"2026-10-30","data_as_of":"2026-10-31"},{"key":"dob_now_jobs","dataset_id":"w9ak-ipjd","dataset":"DOB NOW: Build – Job Application Filings","url":"https://data.cityofnewyork.us/d/w9ak-ipjd","dataset_updated":"2026-10-30","data_as_of":"2026-10-31"},{"key":"dob_violations","dataset_id":"3h2n-5cm9","dataset":"DOB Violations","url":"https://data.cityofnewyork.us/d/3h2n-5cm9","dataset_updated":"2026-10-31","data_as_of":"2026-10-31"},{"key":"ecb_violations","dataset_id":"6bgk-3dad","dataset":"DOB ECB Violations","url":"https://data.cityofnewyork.us/d/6bgk-3dad","dataset_updated":"2026-10-31","data_as_of":"2026-10-31"},{"key":"oath","dataset_id":"jz4z-kudi","dataset":"OATH Hearings Division Case Status","url":"https://data.cityofnewyork.us/d/jz4z-kudi","dataset_updated":"2026-10-31","data_as_of":"2026-10-31"},{"key":"hpd_violations","dataset_id":"wvxf-dwi5","dataset":"HPD Housing Maintenance Code Violations","url":"https://data.cityofnewyork.us/d/wvxf-dwi5","dataset_updated":"2026-10-31","data_as_of":"2026-10-31"},{"key":"hpd_complaints","dataset_id":"ygpa-z7cr","dataset":"HPD Housing Maintenance Code Complaints and Problems","url":"https://data.cityofnewyork.us/d/ygpa-z7cr","dataset_updated":"2026-10-31","data_as_of":"2026-10-31"},{"key":"hpd_registrations","dataset_id":"tesw-yqqr","dataset":"HPD Multiple Dwelling Registrations","url":"https://data.cityofnewyork.us/d/tesw-yqqr","dataset_updated":"2026-10-28","data_as_of":"2026-10-31"},{"key":"hpd_contacts","dataset_id":"feu5-w2e2","dataset":"HPD Registration Contacts","url":"https://data.cityofnewyork.us/d/feu5-w2e2","dataset_updated":"2026-10-28","data_as_of":"2026-10-31"},{"key":"sr311","dataset_id":"erm2-nwe9","dataset":"311 Service Requests from 2020 to Present","url":"https://data.cityofnewyork.us/d/erm2-nwe9","dataset_updated":"2026-10-31","data_as_of":"2026-10-31"},{"key":"assessment","dataset_id":"8y4t-faws","dataset":"DOF Property Valuation and Assessment Data","url":"https://data.cityofnewyork.us/d/8y4t-faws","dataset_updated":"2026-09-14","data_as_of":"2026-10-31"},{"key":"acris_master","dataset_id":"bnx9-e6tj","dataset":"ACRIS Real Property Master","url":"https://data.cityofnewyork.us/d/bnx9-e6tj","dataset_updated":"2026-10-08","data_as_of":"2026-10-31"},{"key":"acris_legals","dataset_id":"8h5j-fqxa","dataset":"ACRIS Real Property Legals","url":"https://data.cityofnewyork.us/d/8h5j-fqxa","dataset_updated":"2026-10-08","data_as_of":"2026-10-31"},{"key":"acris_parties","dataset_id":"636b-3b5g","dataset":"ACRIS Real Property Parties","url":"https://data.cityofnewyork.us/d/636b-3b5g","dataset_updated":"2026-10-08","data_as_of":"2026-10-31"}],"disclaimer":"Independent site. Data from NYC Open Data; not affiliated with the City of New York. Facts are compiled automatically and may be incomplete or out of date; this is not a title search or an official record. Verify with the issuing agency."}