# Bayside Mall

Dorchester, MA · mall · tier: draft · Retrofit Atlas record `m-188df7b33c` · release 2026-10-20

Canonical: https://retrofitatlas.org/malls/ma/dorchester-bayside-mall/  
JSON: https://retrofitatlas.org/data/records/m-188df7b33c.json · Provenance: https://retrofitatlas.org/data/records/m-188df7b33c.provenance.json · API: https://retrofitatlas.org/api/v1/sites/m-188df7b33c

## Facts

| Field | Value | Provenance |
|---|---|---|
| Status | approved | documented · model extraction, unreviewed |
| Strategy | redevelop | documented · model extraction, unreviewed |
| New use | mixed | reported · model extraction, unreviewed |
| Retrofit year | 2020 | reported · model extraction, unreviewed |
| Redeveloper | Accordia Partners | reported · model extraction, unreviewed |
| Entitlement year | 2023 | reported · model extraction, unreviewed |

## Quoted support

- **status**: “In 2023, the Boston Planning & Development Agency approved the Accordia Partners proposal.” — https://en.wikipedia.org/wiki/Bayside_Expo_Center
- **strategy**: “In 2020, Accordia Partners proposed redeveloping the property into a 21-building mixed-used biotechnology science park called 'Dorchester Bay City'.” — https://en.wikipedia.org/wiki/Bayside_Expo_Center

## Parties

- University of Massachusetts Boston — owner (from text) (2010–)

## Timeline

- 2010: Purchased by University of Massachusetts Boston after foreclosure.
- 2016: Demolished by UMass Boston after roof collapse from heavy snowfall.
- 2019: Leased to Accordia Partners by UMass Board of Trustees.
- 2020: Proposed redevelopment into Dorchester Bay City biotech science park.
- 2023: Approved by Boston Planning & Development Agency.

## Deals and debt

- 2010 sale:  University of Massachusetts Boston   https://en.wikipedia.org/wiki/Bayside_Expo_Center

## Background (Wikipedia, CC BY-SA 4.0, shortened)

Bayside Expo Center was a convention center located in Dorchester, Massachusetts. Originally opened as a shopping mall called Bayside Mall in the 1960s, the mall later failed and the convention center opened in its place. In 2010, it was purchased by the University of Massachusetts Boston after the building went into foreclosure. After the building's roof collapsed from the weight of accumulated snowfall during the 2014–15 North American winter, the university demolished the facility in 2016. In 2019, the University of Massachusetts board of trustees leased the property to Accordia Partners. In 2020, Accordia Partners proposed redeveloping the property into a 21-building mixed-used biotechnology science park called "Dorchester Bay City". In 2023, the Boston Planning & Development Agency approved the Accordia Partners proposal.

Source: https://en.wikipedia.org/wiki/Bayside_Expo_Center

## Sources

- Quoted support for status — https://en.wikipedia.org/wiki/Bayside_Expo_Center

## Cite

Retrofit Atlas (2026). "Bayside Mall, Dorchester, MA." Record m-188df7b33c, release 2026-10-20, tier draft. https://retrofitatlas.org/malls/ma/dorchester-bayside-mall/ (accessed 2026-10-20).

```bibtex
@misc{retrofitatlas_dorchesterbaysidemall,
  title = {Bayside Mall, Dorchester, MA},
  author = {{Retrofit Atlas}},
  howpublished = {\url{https://retrofitatlas.org/malls/ma/dorchester-bayside-mall/}},
  year = {2026},
  note = {Record m-188df7b33c, release 2026-10-20, tier: draft. Built on the Retrofitting Suburbia map (Dunham-Jones and Williamson) and the sources listed on the record. Accessed 2026-10-20}
}
```

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.