{"id": "m-a1b13316d4", "slug": "shopping-centre-niagara-square", "type": "mall", "name": "Niagara Square", "aka": [], "city": "shopping centre", "county": null, "state": null, "country": "Canada", "census_division": null, "lat": 43.0664, "lon": -79.12523, "geocode_method": null, "address": null, "metro": null, "original_use": "mall", "year_opened": 1977, "year_closed": 2017, "acres": null, "gla_sqft": 390000, "stores_peak": 49, "levels": null, "original_developer": null, "original_architect": null, "before_notes": "Wikipedia categories: Defunct shopping malls in Canada", "strategy": ["redevelop"], "new_use": ["retail"], "share_retrofit": null, "status": "operating", "year_retrofit": 2020, "developer": null, "architect": null, "after_notes": "Costco location", "narrative": "The Niagara Square was a shopping centre and former mall in Niagara Falls, Ontario, Canada. The Niagara Square opened in 1977. The interior of the shopping centre was closed in 2017, with some stores remaining open in the exterior. Before its closure, the Niagara Square was a 36,000-square-metre (390,000 sq ft) shopping centre with 83 units. After its demolition, the property was repurposed for use as a Costco location.", "narrative_license": "CC BY-SA 4.0", "narrative_source": "https://en.wikipedia.org/wiki/Niagara_Square_(shopping_centre)", "zoning_change": null, "public_subsidy": null, "entitlement_year": null, "planning_notes": null, "wikidata_qid": "Q85788966", "wikipedia": "https://en.wikipedia.org/wiki/Niagara_Square_(shopping_centre)", "osm_id": null, "verified": "draft", "verified_by": null, "last_verified": null, "last_updated": "2026-10-18", "created": "2026-10-18", "contributor_name": null, "contributor_org": null, "contributor_link": null, "international": 1, "county_fips": null, "opp_score": null, "opp_reasons": null, "for_sale": 0, "distressed": 0, "url": "https://retrofitatlas.org/malls/canada/shopping-centre-niagara-square/", "events": [{"year": 1977, "date": null, "kind": "note", "detail": "Opened", "source_id": 4908}, {"year": 2017, "date": null, "kind": "note", "detail": "Closed", "source_id": 4909}, {"year": 2019, "date": null, "kind": "note", "detail": "Demolition began", "source_id": 4910}, {"year": 2020, "date": null, "kind": "note", "detail": "Costco opened", "source_id": 4911}], "sources": [{"id": 983, "site_id": "m-a1b13316d4", "url": "https://en.wikipedia.org/wiki/Niagara_Square_(shopping_centre)", "title": "Wikipedia: Niagara Square (shopping centre)", "publisher": "Wikipedia", "date": "2026-07-13", "quote": null, "kind": "wikipedia", "license": "CC BY-SA 4.0", "retrieved": "2026-10-18"}, {"id": 4902, "site_id": "m-a1b13316d4", "url": "https://en.wikipedia.org/wiki/Niagara_Square_(shopping_centre)", "title": "Quoted support for year_opened", "publisher": null, "date": null, "quote": "The Niagara Square opened in 1977.", "kind": "wikipedia", "license": null, "retrieved": "2026-10-18"}, {"id": 4903, "site_id": "m-a1b13316d4", "url": "https://en.wikipedia.org/wiki/Niagara_Square_(shopping_centre)", "title": "Quoted support for year_closed", "publisher": null, "date": null, "quote": "In April 2017, the shopping centre closed.", "kind": "wikipedia", "license": null, "retrieved": "2026-10-18"}, {"id": 4904, "site_id": "m-a1b13316d4", "url": "https://en.wikipedia.org/wiki/Niagara_Square_(shopping_centre)", "title": "Quoted support for gla_sqft", "publisher": null, "date": null, "quote": "Before its closure, the Niagara Square was a 36,000-square-metre (390,000 sq ft) shopping centre with 83 units.", "kind": "wikipedia", "license": null, "retrieved": "2026-10-18"}, {"id": 4905, "site_id": "m-a1b13316d4", "url": "https://en.wikipedia.org/wiki/Niagara_Square_(shopping_centre)", "title": "Quoted support for after_notes", "publisher": null, "date": null, "quote": "After its demolition, the property was repurposed for use as a Costco location.", "kind": "wikipedia", "license": null, "retrieved": "2026-10-18"}, {"id": 4906, "site_id": "m-a1b13316d4", "url": "https://en.wikipedia.org/wiki/Niagara_Square_(shopping_centre)", "title": "Quoted support for status", "publisher": null, "date": null, "quote": "After its demolition, the property was repurposed for use as a Costco location.", "kind": "wikipedia", "license": null, "retrieved": "2026-10-18"}, {"id": 4907, "site_id": "m-a1b13316d4", "url": "https://en.wikipedia.org/wiki/Niagara_Square_(shopping_centre)", "title": "Quoted support for strategy", "publisher": null, "date": null, "quote": "The owners invested 25 million dollars into the demolition and redevelopment of Niagara Square.", "kind": "wikipedia", "license": null, "retrieved": "2026-10-18"}, {"id": 4908, "site_id": "m-a1b13316d4", "url": "https://en.wikipedia.org/wiki/Niagara_Square_(shopping_centre)", "title": "Timeline", "publisher": null, "date": null, "quote": "The Niagara Square opened in 1977.", "kind": "wikipedia", "license": null, "retrieved": "2026-10-18"}, {"id": 4909, "site_id": "m-a1b13316d4", "url": "https://en.wikipedia.org/wiki/Niagara_Square_(shopping_centre)", "title": "Timeline", "publisher": null, "date": null, "quote": "In April 2017, the shopping centre closed.", "kind": "wikipedia", "license": null, "retrieved": "2026-10-18"}, {"id": 4910, "site_id": "m-a1b13316d4", "url": "https://en.wikipedia.org/wiki/Niagara_Square_(shopping_centre)", "title": "Timeline", "publisher": null, "date": null, "quote": "Demolition of the interior began in the spring of 2019.", "kind": "wikipedia", "license": null, "retrieved": "2026-10-18"}, {"id": 4911, "site_id": "m-a1b13316d4", "url": "https://en.wikipedia.org/wiki/Niagara_Square_(shopping_centre)", "title": "Timeline", "publisher": null, "date": null, "quote": "Costco, a warehouse retail outlet, used the property to open a new location in 2020.", "kind": "wikipedia", "license": null, "retrieved": "2026-10-18"}], "deals": [], "parties": [], "parcels": [], "context": {"assessment": {"what_happened": "Niagara Square opened in 1977 as a 390,000‑square‑foot mall with 49 stores. It ceased interior operations in 2017, and demolition began in 2019. The site was redeveloped and reopened in 2020 as a Costco retail location.", "why": "The record does not specify reasons for the closure or redevelopment, such as anchor tenant loss, competition, or debt.", "where_it_stands": "The site is currently operating as a Costco location; ownership or controlling entity is not stated in the record.", "for_a_planner": ["Redevelopment strategy listed as 'redevelop' with new use 'retail'.", "Demolition occurred in 2019 followed by reconstruction and Costco opening in 2020.", "Policy tools or incentives used for the retrofit are not detailed.", "Open questions include what further phases or uses are planned beyond the current Costco."], "for_a_developer": ["Site size is 390,000 sq ft GLA with a peak of 49 stores.", "Control/ownership details are not provided in the record.", "Entitlement stage and any zoning or approvals for the retrofit are not described.", "Context‑layer constraints (flood risk, transit access, environmental factors) and local market signals are absent from the data."], "risks_and_unknowns": ["Owner/controlling party unknown.", "Reasons for original closure (anchor loss, competition, debt) not stated.", "Any floodplain, transit, or environmental constraints on the site are not recorded.", "Local market demographics or sales performance data for the Costco are missing.", "Data are marked as extraction with a 'draft' verification status, indicating potential unreviewed fields."], "data_quality": "partial", "one_line": "Niagara Square opened 1977, closed 2017, demolished 2019, reopened 2020 as a Costco retail site in Niagara Falls, Ontario, Canada.", "model": "nvidia/nemotron-3-super-120b-a12b", "machine": "NVIDIA API via Hermes CT", "record_sha1": "cb2408d109bd"}, "cluster": {"within_10km": [{"id": "m-fd9e7011bc", "name": "Rainbow Mall", "city": "Niagara Falls", "status": "partial", "km": 5.6}], "count_10km": 1, "count_25km": 3}, "overture": {"candidates": 189, "place": {"id": 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