{"id": "n-6f998b11de", "slug": "waltham-bay-colony-office-complex", "type": "office-park", "name": "Bay Colony office complex", "aka": [], "city": "Waltham", "county": "Middlesex County", "state": "MA", "country": "US", "census_division": 1, "lat": 42.37624, "lon": -71.23556, "geocode_method": "nominatim-city", "address": null, "metro": null, "original_use": "commercial office corridor", "year_opened": null, "year_closed": null, "acres": null, "gla_sqft": null, "stores_peak": null, "levels": null, "original_developer": null, "original_architect": null, "before_notes": "Draft from bostonglobe.com, model-extracted, unreviewed: The Bay Colony office complex in Waltham, currently an underutilized office park, is proposed to be redeveloped into about 1,200 new housing units.", "strategy": ["redevelop"], "new_use": ["housing", "mixed"], "share_retrofit": null, "status": "proposed", "year_retrofit": null, "developer": null, "architect": null, "after_notes": "about 1,200 new homes", "narrative": null, "narrative_license": null, "narrative_source": null, "zoning_change": "special zoning districts", "public_subsidy": null, "entitlement_year": null, "planning_notes": "Approved by Waltham City Council.", "wikidata_qid": null, "wikipedia": null, "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": 0, "county_fips": "25017", "opp_score": 10.0, "opp_reasons": ["already in play: under construction, approved, or sold to a developer with housing plans", "median rent $2,126", "housing in the record"], "for_sale": 0, "distressed": 0, "url": "https://retrofitatlas.org/office-parks/ma/waltham-bay-colony-office-complex/", "events": [{"year": 2026, "date": null, "kind": "note", "detail": "Waltham Mayor Jeannette McCarthy vetoed a measure that would clear the way to redevelop the largest of the three office parks", "source_id": 7781}, {"year": 2026, "date": null, "kind": "note", "detail": "In June, the council unanimously approved the three new zoning districts", "source_id": 7782}], "sources": [{"id": 7780, "site_id": "n-6f998b11de", "url": "https://www.bostonglobe.com/2026/08/01/business/waltham-housing-office-parks/", "title": "Plan to convert office park to housing in Waltham faces veto", "publisher": "bostonglobe.com", "date": null, "quote": "Bay Colony office complex", "kind": "news", "license": null, "retrieved": "2026-10-18"}, {"id": 7781, "site_id": "n-6f998b11de", "url": "https://www.bostonglobe.com/2026/08/01/business/waltham-housing-office-parks/", "title": "Timeline", "publisher": null, "date": null, "quote": "But earlier in July, Waltham Mayor Jeannette McCarthy vetoed a measure that would clear the way to redevelop the largest of the three office parks, citing concerns about density, and observed the fact that the project would be “conveniently placed next to a residential neighborhood.”", "kind": "quote", "license": null, "retrieved": "2026-10-18"}, {"id": 7782, "site_id": "n-6f998b11de", "url": "https://www.bostonglobe.com/2026/08/01/business/waltham-housing-office-parks/", "title": "Timeline", "publisher": null, "date": null, "quote": "In June, the council unanimously approved the three new zoning districts, which provide a framework for what the projects could look like.", "kind": "quote", "license": null, "retrieved": "2026-10-18"}], "deals": [], "parties": [], "parcels": [], "context": {"assessment": {"what_happened": "Bay Colony office complex (Waltham, MA) is proposed for redevelopment from commercial office use to housing/mixed use, with plans for ~1,200 new homes. Waltham City Council approved special zoning districts for the project in June 2026, though a 2026 veto attempt by the mayor sought to block redevelopment. The project is part of a cluster of 8 proposed developments within 10km, including two other Waltham sites (Bay Colony and Jones Road) at 0km distance. Housing market data shows a ZHVI of $804,837 (2026-09) with 22.4% 5-year growth. Residential permits in Middlesex County show 2,440+ units for 5+ units in 2024. The project is marked as 'already in play' (approved, under construction, or sold to developer with housing plans) per the record. Unknown: current construction status, specific developer, and resolution of the veto attempt.", "why": "The assessment strictly uses the provided record: status (proposed/approved), housing output (1,200 homes), zoning approval, cluster context, housing market data, permit activity, and the 'already in play' status. No external knowledge added; missing details (e.g., veto outcome, construction start) are noted as unknown.", "where_it_stands": "Proposed, zoning approved, but construction status unknown. Housing market and permit data indicate active residential development in the area.", "for_a_planner": ["Zoning approved for housing conversion", "Part of 8 proposed projects within 10km", "Waltham Council approved special zoning districts"], "for_a_developer": ["ZHVI $804,837 (2026-09)", "2,440+ residential units permitted in Middlesex County (2024)", "Project marked 'already in play' per record"], "risks_and_unknowns": ["Veto attempt by mayor (2026) not resolved in record", "No current construction timeline", "No developer name or project timeline provided"], "data_quality": "thin", "one_line": "Proposed housing redevelopment approved for 1,200 homes in Waltham, part of active cluster; housing market strong but construction status unknown.", "model": "qwen3-30b-a3b-64k:latest", "machine": "Dell 5820 RTX 3090 (Ollama, qwen3-30b-a3b)", "record_sha1": "29bd7544be14"}, "cluster": {"within_10km": [{"id": "n-82ffacb575", "name": "Bay Colony", "city": "Waltham", "status": "proposed", "km": 0.0}, {"id": "n-8c643604e6", "name": "Jones Road", "city": "Waltham", "status": "proposed", "km": 0.0}, {"id": "n-151ed35cae", "name": "Former Polaroid campus", "city": "Waltham", "status": "proposed", "km": 2.2}, {"id": "m-2afa0a0e0b", "name": "Arsenal Mall", "city": "Watertown", "status": "built", "km": 6.5}, {"id": "n-c518b8db75", "name": "Cambridge Discovery Park", "city": "Cambridge", "status": "partial", "km": 7.6}, {"id": "m-4e5e7d420b", "name": "Atrium Mall", "city": "Newton", "status": "built", "km": 7.8}, {"id": "n-d67cb18335", "name": "City Realty development on Route 9", "city": "Chestnut Hill", "status": "proposed", "km": 8.1}, {"id": "n-ec44c71aaf", "name": "Wells Avenue Park", "city": "Newton", "status": "proposed", "km": 9.8}], "count_10km": 8, "count_25km": 27}, "elevation": {"elevation_ft": 63.7, "resolution": 1, "source": "USGS EPQS (3DEP)", "retrieved": "2026-10-20"}, "food_access": {"tract10": "25017368800", "urban": 1, "lila_1_10": 0, "low_access_1mi": 0, "poverty_rate": 8.898821617228771, "median_family_income": 83050.0, "snap_households": 169.0, "pop2010": 4741.0, "source": "USDA ERS Food Access Research Atlas 2019 (ArcGIS copy)", "retrieved": "2026-10-20"}, "housing_market": {"zhvi": {"latest": 804837, "month": "2026-09", "change_1y": 0.015, "change_5y": 0.224}, "zori": {"latest": 3069, "month": "2026-09", "change_1y": 0.024, "change_5y": 0.241}, "county_fips": "25017", "source": "Zillow Research (ZHVI, ZORI)"}, "jobs_lodes": {"tract20": "25017368800", "jobs": 3519, "retail_jobs": 595, "food_accommodation_jobs": 181, "year": 2022, "source": "Census LEHD LODES8 WAC 2022 (all jobs, primary and secondary), blocks summed to the 2020 tract", "retrieved": "2026-10-20"}, "listings": {"zip": "02453", "month": "202609", "median_listing_price": 836950, "median_listing_price_yy": -0.0457, "active_listing_count": 39, "median_days_on_market": 28, "price_reduced_share": 0.2643, "pending_ratio": 0.4545, "source": "Realtor.com Research, inventory core metrics by ZIP (ZCTA at the site point)", "retrieved": "2026-10-20"}, "opportunity": {"tract10": "25017368800", "kfr_p25": 0.4718, "jail_p25": 0.0025, "kids_count": 339.6215, "commuting_zone": "Boston", "vintage": "children born 1978-83, outcomes measured 2014-15", "source": "Opportunity Insights, Opportunity Atlas (Chetty, Friedman, Hendren, Jones, Porter 2018)", "retrieved": "2026-10-20"}, "peers": {"peers": [{"id": "n-d67cb18335", "name": "City Realty development on Route 9", "city": "Chestnut Hill", "state": "MA", "score": 6.5, "why": ["same strategy: redevelop", "also in MA", "8 km away"]}, {"id": "n-772ce6218d", "name": "Elmwood Park", "city": "Hopkinton", "state": "MA", "score": 6.5, "why": ["same strategy: redevelop", "also in MA", "28 km away"]}, {"id": "n-ec44c71aaf", "name": "Wells Avenue Park", "city": "Newton", "state": "MA", "score": 6.5, "why": ["same strategy: redevelop", "also in MA", "10 km away"]}, {"id": "n-82ffacb575", "name": "Bay Colony", "city": "Waltham", "state": "MA", "score": 6.5, "why": ["same strategy: redevelop", "also in MA", "0 km away"]}, {"id": "n-8c643604e6", "name": "Jones Road", "city": "Waltham", "state": "MA", "score": 6.5, "why": ["same strategy: redevelop", "also in MA", "0 km away"]}, {"id": "n-151ed35cae", "name": "Former Polaroid campus", "city": "Waltham", "state": "MA", "score": 6.5, "why": ["same strategy: redevelop", "also in MA", "2 km away"]}], "method": "size, era, strategy, status, type, state, distance"}, "permits": {"county": "Middlesex County", "2024": {"units_1": 889, "units_2_4": 166, "units_5plus": 2440, "value_total": 1242608491}, "2023": {"units_1": 848, "units_2_4": 144, "units_5plus": 2902, "value_total": 1175190852}, "retrieved": "2026-10-18"}, "qcew_retail": {"county": "25017", "year": 2025, "establishments": 4328, "employment": 68958, "avg_annual_pay": 47577, "lq_employment": 0.77, "employment_change_1y": -2.2, "source": "BLS QCEW 2025 annual, county, NAICS 44-45 retail trade, private", "retrieved": "2026-10-20"}, "retail_trend": {"2012": {"estab": 5197, "emp": 82974}, "2023": {"estab": 4650, "emp": 79115}, "estab_change": -0.105, "emp_change": -0.047, "county_fips": "25017"}, "schools": {"district": "Waltham School District", "district_geoid": "2512000", "grades": "PK-12", "district_vintage": "SY2024-25", "public_schools_1mi": 4, "schools": ["Henry Whittemore Elementary School", "John W. McDevitt Middle School", "Thomas R Plympton Elementary School", "Waltham Public Schools Dual Language Program"], "schools_vintage": "SY2023-24", "source": "NCES EDGE", "retrieved": "2026-10-20"}, "storms": {"county": "25017", "years": "2016-2025", "events": 469, "by_type": {"Thunderstorm Wind": 301, "Flood": 97, "Flash Flood": 32, "Hail": 23, "Lightning": 12, "Tornado": 4}, "property_damage_usd": 4288150, "deaths_direct": 0, "injuries_direct": 6, "note": "county-typed events only; events logged to forecast zones (CZ_TYPE Z: most winter, heat, flood and coastal events) are not counted", "source": "NOAA NCEI Storm Events Database, details files", "retrieved": "2026-10-20"}, "traffic": {"max_aadt": 24558, "trucks_aadt": 1326, "road": null, "class": "principal arterial", "lanes": 2, "segments_600m": 20, "year": "2024", "source": "FHWA HPMS", "retrieved": "2026-10-20"}}, "elements": [{"slug": "place-mall-cluster", "name": "3+ other atlas sites within 10 km", "group_": "place", "evidence": "8 within 10 km", "origin": "computed"}, {"slug": "place-apartment-boom-county", "name": "County permitting 2,000+ apartment units a year", "group_": "place", "evidence": "2,440 units, Middlesex County", "origin": "census-bps"}, {"slug": "strategy-redevelop", "name": "Redeveloped", "group_": "strategy", "evidence": "about 1,200 new homes", "origin": "record"}, {"slug": "use-housing", "name": "Housing", "group_": "use", "evidence": "new_use field", "origin": "newtypes-extraction"}, {"slug": "use-mixed", "name": "Mixed use", "group_": "use", "evidence": "new_use field", "origin": "newtypes-extraction"}, {"slug": "place-retail-shrinking-county", "name": "County lost 10%+ of retail establishments since 2012", "group_": "place", "evidence": "-10%", "origin": "census-cbp"}, {"slug": "place-rent-2000-plus", "name": "County typical rent $2,000+", "group_": "place", "evidence": "$3,069/mo", "origin": "zillow"}, {"slug": "status-pipeline", "name": "Retrofit in the pipeline", "group_": "finance", "evidence": "proposed", "origin": "record"}], "details": {}, "photos": [], "provenance": {"after_notes": "newtypes-extraction", "zoning_change": "newtypes-extraction"}, "restricted_fields": {"parcels": ["owner_addr", "assessed", "taxable", "tax_amount", "sale_price", "deed_ref"], "deals": ["price", "price_per_acre", "price_per_sqft", "loan_amount", "asking_price"], "how": "free API key: POST /api/v1/keys {\"email\": …}"}}