{"bbl":"3004350017","bins":["3007230"],"address":"308 Union Street, Brooklyn, NY 11231","address_line":"308 Union Street","borough":"Brooklyn","zip":"11231","block":435,"lot":17,"url":"https://nycpropertyfacts.com/ny/brooklyn/308-union-street-3004350017","markdown_url":"https://nycpropertyfacts.com/ny/brooklyn/308-union-street-3004350017.md","text_url":"https://nycpropertyfacts.com/ny/brooklyn/308-union-street-3004350017.txt","api_url":"https://nycpropertyfacts.com/api/v1/property/3004350017","available_formats":{"html":"https://nycpropertyfacts.com/ny/brooklyn/308-union-street-3004350017","json":"https://nycpropertyfacts.com/api/v1/property/3004350017","markdown":"https://nycpropertyfacts.com/ny/brooklyn/308-union-street-3004350017.md","text":"https://nycpropertyfacts.com/ny/brooklyn/308-union-street-3004350017.txt"},"summary":"308 Union Street (Brooklyn, NY 11231; tax lot BBL 3004350017) is a 4-unit walk-up apartment building (building class C3: walk-up apartments, four families), built around 1920, on a 2,200 sq ft lot zoned R6B. City tax records list the owner as JOSEPH CHIESA. The Department of Finance's final market value for tax year 2027 is $2,414,000. As of November 6, 2026 (limited by DOB Job Application Filings (BIS); other open-item sources were confirmed later), NYC Open Data shows 18 open HPD violations. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)","how_to_cite":"NYC Property Facts, “308 Union Street, Brooklyn, NY 11231 (BBL 3004350017)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/308-union-street-3004350017. 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":"2026-11-06","last_updated":"2026-11-05","freshness":{"open_items_as_of":"2026-11-06","open_items_limited_by":"dob_jobs_bis","open_items_limited_by_name":"DOB Job Application Filings (BIS)","lot_facts_changed":"2026-11-05","note":"data_as_of is the oldest date on which every open-item dataset (DOB jobs, DOB violations, ECB violations, HPD violations and OATH) was confirmed current. It is not the date of every source. last_updated is when this lot's compiled facts last changed. Each dataset has its own dates in sources[]."},"open_items":{"total":18,"dob_jobs_permit_not_signed_off":0,"dob_violations_active":0,"ecb_violations_active":0,"hpd_violations_open":18,"oath_tickets_unpaid":0,"data_as_of":"2026-11-06"},"facts":{"owner_of_record":"JOSEPH CHIESA","building_class":"C3","building_class_description":"Walk-up apartments, four families","land_use":"Multi-family walk-up buildings","year_built":1920,"floors":3,"buildings":1,"residential_units":4,"total_units":4,"lot_area_sqft":2200,"lot_front_ft":22,"lot_depth_ft":100,"building_area_sqft":3300,"zoning":["R6B"],"historic_district":null,"landmark":null,"latitude":40.6818698,"longitude":-73.9951362,"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":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},"assessment":{"tax_year":"2027","roll":"final","market_value":2414000,"assessed_value":1086300,"tax_class":"2A","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":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},"last_priced_deed":null,"record_counts":{"permits":0,"violations":18,"complaints":0,"hearings":14,"sales":1,"owners":6},"sections":{"permits":"https://nycpropertyfacts.com/api/v1/property/3004350017/permits","violations":"https://nycpropertyfacts.com/api/v1/property/3004350017/violations","complaints":"https://nycpropertyfacts.com/api/v1/property/3004350017/complaints","hearings":"https://nycpropertyfacts.com/api/v1/property/3004350017/hearings","sales":"https://nycpropertyfacts.com/api/v1/property/3004350017/sales","owners":"https://nycpropertyfacts.com/api/v1/property/3004350017/owners"},"also_recorded_as":[],"neighborhood":{"name":"Carroll Gardens-Cobble Hill-Gowanus-Red Hook","url":"https://nycpropertyfacts.com/ny/brooklyn/11231","topics":[{"slug":"open-hpd-violations","label":"Open HPD violations","url":"https://nycpropertyfacts.com/ny/brooklyn/11231/open-hpd-violations"},{"slug":"active-dob-violations","label":"Active DOB violations","url":"https://nycpropertyfacts.com/ny/brooklyn/11231/active-dob-violations"},{"slug":"active-ecb-violations","label":"Active ECB violations","url":"https://nycpropertyfacts.com/ny/brooklyn/11231/active-ecb-violations"},{"slug":"open-dob-jobs","label":"Open DOB jobs","url":"https://nycpropertyfacts.com/ny/brooklyn/11231/open-dob-jobs"},{"slug":"unpaid-oath-tickets","label":"Unpaid OATH tickets","url":"https://nycpropertyfacts.com/ny/brooklyn/11231/unpaid-oath-tickets"}]},"official_links":{"dob_bis":"https://a810-bisweb.nyc.gov/bisweb/PropertyProfileOverviewServlet?boro=3&block=435&lot=17","zola":"https://zola.planning.nyc.gov/l/lot/3/435/17","acris":"https://a836-acris.nyc.gov/bblsearch/bblsearch.asp?borough=3&block=435&lot=17"},"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":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"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":"2026-11-01","last_success":"2026-11-01","last_checked":null,"sync_status":"ok","last_attempt":null},{"key":"dob_permits_bis","dataset_id":"ipu4-2q9a","dataset":"DOB Permit Issuance (BIS)","url":"https://data.cityofnewyork.us/d/ipu4-2q9a","dataset_updated":"2026-11-07","data_as_of":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"key":"dob_now_permits","dataset_id":"rbx6-tga4","dataset":"DOB NOW: Build – Approved Permits","url":"https://data.cityofnewyork.us/d/rbx6-tga4","dataset_updated":"2026-11-06","data_as_of":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"key":"dob_jobs_bis","dataset_id":"ic3t-wcy2","dataset":"DOB Job Application Filings (BIS)","url":"https://data.cityofnewyork.us/d/ic3t-wcy2","dataset_updated":"2026-11-05","data_as_of":"2026-11-06","last_success":"2026-11-06","last_checked":null,"sync_status":"error","last_attempt":"2026-11-07"},{"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":"2026-11-06","data_as_of":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"key":"dob_violations","dataset_id":"3h2n-5cm9","dataset":"DOB Violations","url":"https://data.cityofnewyork.us/d/3h2n-5cm9","dataset_updated":"2026-11-06","data_as_of":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"key":"ecb_violations","dataset_id":"6bgk-3dad","dataset":"DOB ECB Violations","url":"https://data.cityofnewyork.us/d/6bgk-3dad","dataset_updated":"2026-11-06","data_as_of":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"key":"oath","dataset_id":"jz4z-kudi","dataset":"OATH Hearings Division Case Status","url":"https://data.cityofnewyork.us/d/jz4z-kudi","dataset_updated":"2026-11-07","data_as_of":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"key":"hpd_violations","dataset_id":"wvxf-dwi5","dataset":"HPD Housing Maintenance Code Violations","url":"https://data.cityofnewyork.us/d/wvxf-dwi5","dataset_updated":"2026-11-06","data_as_of":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"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":"2026-11-07","data_as_of":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"key":"hpd_registrations","dataset_id":"tesw-yqqr","dataset":"HPD Multiple Dwelling Registrations","url":"https://data.cityofnewyork.us/d/tesw-yqqr","dataset_updated":"2026-11-04","data_as_of":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"key":"hpd_contacts","dataset_id":"feu5-w2e2","dataset":"HPD Registration Contacts","url":"https://data.cityofnewyork.us/d/feu5-w2e2","dataset_updated":"2026-11-04","data_as_of":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"key":"sr311","dataset_id":"erm2-nwe9","dataset":"311 Service Requests from 2020 to Present","url":"https://data.cityofnewyork.us/d/erm2-nwe9","dataset_updated":"2026-11-07","data_as_of":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"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":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"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":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"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":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null},{"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":"2026-11-07","last_success":"2026-11-07","last_checked":null,"sync_status":"ok","last_attempt":null}],"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."}