# Bay Colony office complex

Waltham, MA · office-park · tier: draft · Retrofit Atlas record `n-6f998b11de` · release 2026-10-21

Canonical: https://retrofitatlas.org/office-parks/ma/waltham-bay-colony-office-complex/  
JSON: https://retrofitatlas.org/data/records/n-6f998b11de.json · Provenance: https://retrofitatlas.org/data/records/n-6f998b11de.provenance.json · API: https://retrofitatlas.org/api/v1/sites/n-6f998b11de

## Facts

| Field | Value | Provenance |
|---|---|---|
| Status | proposed | none |
| Strategy | redevelop | none |
| New use | housing, mixed | none |
| What is there now | about 1,200 new homes | reported · model extraction, unreviewed |
| Zoning change | special zoning districts | reported · model extraction, unreviewed |
| Planning notes | Approved by Waltham City Council. | none |

## Anchors

AstraZeneca, Boston Dynamics

## Timeline

- 2026: Waltham Mayor Jeannette McCarthy vetoed a measure that would clear the way to redevelop the largest of the three office parks
- 2026: In June, the council unanimously approved the three new zoning districts

## Sources

- Plan to convert office park to housing in Waltham faces veto — https://www.bostonglobe.com/2026/08/01/business/waltham-housing-office-parks/

## Cite

Retrofit Atlas (2026). "Bay Colony office complex, Waltham, MA." Record n-6f998b11de, release 2026-10-21, tier draft. https://retrofitatlas.org/office-parks/ma/waltham-bay-colony-office-complex/ (accessed 2026-10-21).

```bibtex
@misc{retrofitatlas_walthambaycolonyofficecomplex,
  title = {Bay Colony office complex, Waltham, MA},
  author = {{Retrofit Atlas}},
  howpublished = {\url{https://retrofitatlas.org/office-parks/ma/waltham-bay-colony-office-complex/}},
  year = {2026},
  note = {Record n-6f998b11de, release 2026-10-21, tier: draft. Built on the Retrofitting Suburbia map (Dunham-Jones and Williamson) and the sources listed on the record. Accessed 2026-10-21}
}
```

Licence: research use only; terms undecided with the authors (https://retrofitatlas.org/licence/). Wikipedia text CC BY-SA 4.0. Tiers: curated = from the authors' public map, not reviewed by them; draft = imported or model-extracted, unreviewed.