{"bbl":"3033990001","bins":["3326427","3326430","3326426"],"address":"749 Knickerbocker Avenue, Brooklyn, NY 11221","address_line":"749 Knickerbocker Avenue","borough":"Brooklyn","zip":"11221","block":3399,"lot":1,"url":"https://nycpropertyfacts.com/ny/brooklyn/749-knickerbocker-avenue-3033990001","markdown_url":"https://nycpropertyfacts.com/ny/brooklyn/749-knickerbocker-avenue-3033990001.md","api_url":"https://nycpropertyfacts.com/api/v1/property/3033990001","summary":"749 Knickerbocker Avenue (Brooklyn, NY 11221; tax lot BBL 3033990001) is a school or educational building (building class W2: educational building (subtype W2)), built around 1922, on a 20,200 sq ft lot zoned R6. City tax records list the owner as ST MARTIN OF TOURS RC. The Department of Finance's final market value for tax year 2027 is $4,214,000. As of October 31, 2026, NYC Open Data shows six DOB jobs with a permit issued but no sign-off, one active DOB violation, one active ECB violation and three OATH tickets with an unpaid balance. There was one 311 request in the past 12 months and two 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, “749 Knickerbocker Avenue, Brooklyn, NY 11221 (BBL 3033990001)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/749-knickerbocker-avenue-3033990001. 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":11,"dob_jobs_permit_not_signed_off":6,"dob_violations_active":1,"ecb_violations_active":1,"hpd_violations_open":0,"oath_tickets_unpaid":3,"data_as_of":"2026-10-31"},"facts":{"owner_of_record":"ST MARTIN OF TOURS RC","building_class":"W2","building_class_description":"Educational building (subtype W2)","land_use":"Public facilities & institutions","year_built":1922,"floors":3,"buildings":3,"residential_units":0,"total_units":0,"lot_area_sqft":20200,"building_area_sqft":40415,"zoning":["R6"],"historic_district":null,"landmark":null,"latitude":40.6937928,"longitude":-73.9089167,"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":4214000,"assessed_value":1896300,"tax_class":"4","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":70,"violations":49,"complaints":3,"hearings":92,"sales":0,"owners":1},"sections":{"permits":"https://nycpropertyfacts.com/api/v1/property/3033990001/permits","violations":"https://nycpropertyfacts.com/api/v1/property/3033990001/violations","complaints":"https://nycpropertyfacts.com/api/v1/property/3033990001/complaints","hearings":"https://nycpropertyfacts.com/api/v1/property/3033990001/hearings","sales":"https://nycpropertyfacts.com/api/v1/property/3033990001/sales","owners":"https://nycpropertyfacts.com/api/v1/property/3033990001/owners"},"also_recorded_as":["741 Knickerbocker Ave","751 Knickerbocker Ave","307 Weirfield St","745 Knickerbocker Ave","747 Knickerbocker Ave","305 Weirfield St"],"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."}