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HYM proposes major South Boston redevelopment on foreclosed industrial site

HYM proposes major South Boston redevelopment on foreclosed industrial site

Built World Boston, MA local

Plan seeks 1.8 million square feet of housing and retail along the Dorchester Avenue corridor

Today: HYM files plans for 1.8M SF project

Overview

Updated 42 minutes ago

A six-acre industrial block on South Boston's Dorchester Avenue is slated to become 1.8 million square feet of housing and retail. Boston's HYM Investment Group and New York's Extell Development filed plans Sept. 11, months after a foreclosure auction handed them the land for $75 million.

The site is still zoned for manufacturing, so the developers will seek a Planned Development Area master plan to unlock housing density. The route exists because a 2016 city study that recommended rezoning the corridor was never codified. If approved, the project joins Core Investments' already-approved 'On the Dot' in transforming the strip between the Broadway and Andrew MBTA stations.

Why it matters

If approved, this proposal and Core's 'On the Dot' would turn Dorchester Avenue from an industrial strip into a dense residential corridor.

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Key Indicators

1.837M
Proposed development size
Square feet of housing, retail and restaurants planned for the six-acre site.
$75M
Foreclosure purchase price
The only bid at the March 2026 auction, from lender DOT Development LLC.
7.1
Proposed floor area ratio
Building density target, far above what the site's manufacturing zoning allows.
6 acres
Site area
314-420 Dorchester Ave, a low-rise industrial block now in warehouse and storage use.

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People Involved

Organizations Involved

Timeline

January 2016 September 2026

4 events Latest: Today
Tap a bar to jump to that date
  1. HYM files plans for 1.8M SF project

    Today Development

    HYM and Extell propose 1.837M SF of housing and retail; Letter of Intent filed with Boston Planning.

  2. Foreclosure auction sells Dorchester Avenue site

    Financial

    Lender DOT Development submits the only bid, $75 million, taking the six-acre block from Andrew Collins.

  3. Core Investments wins 'On the Dot' approval

    Approval

    Boston developer wins approval for 3.8M SF, 11-building project with 1,460 homes on 21 acres.

  4. City study calls for Dorchester Avenue rezoning

    Planning

    BPDA study recommends wholesale rezoning of the industrial corridor for housing, office and labs.

Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

1990s–2010s

Seaport District build-out (1990s–2010s)

The state extended the Massachusetts Turnpike into South Boston in the 1990s, opening roughly 1,000 acres of industrial waterfront. City and state zoning then guided it into mixed-use development.

Then

The Seaport filled with millions of square feet of office, lab and residential space over two decades.

Now

Established the precedent that South Boston's industrial districts can become dense, high-value neighborhoods.

Why this matters now

The same city that transformed the waterfront is now weighing the Dorchester Avenue corridor's industrial-to-residential shift.

2000s–2010s

Kendall Square rezoning (2000s–2010s)

Cambridge deliberately rezoned an old industrial district around Kendall Square for laboratory and office use, a policy choice aimed at capturing biotech growth.

Then

Kendall Square became the world's densest biotech cluster.

Now

Showed that deliberate corridor rezoning can convert industrial land into a major job and housing center.

Why this matters now

It is the upside the 2016 study envisioned for Dorchester Avenue, and a contrast to what happens when zoning never follows the planning.

1980s–2000s

Fort Point Channel shift (1980s–2000s)

Artists moved into old industrial buildings along Fort Point Channel in the 1980s, and developers followed, converting the district to mixed-use residential and office space.

Then

The neighborhood gained density while preserving much of its industrial fabric.

Now

Became a model of gradual, market-driven transformation in Boston's industrial districts.

Why this matters now

Fort Point's slow evolution is the incremental path the current Dorchester Avenue proposals aim to compress.

Sources

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