Project · Boston, MA · Updated today
280-300 Washington Street (Old South Building)
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Sourced from Boston meeting, Mar 19, 2026. ZoneWire tracks 438 projects in Boston, MA, updated within 24h of every meeting.
Where this stands
Conversion of 11-story office building (220,000 sf) to 255 residential units including 22 compact studios, 105 studios, 19 compact one-bedrooms, 32 two-bedrooms. 52 affordable units (20%). 12,000 sf ground floor retail retained. Units range from 425-650 sf for compact units.
- Project
- 280-300 Washington Street (Old South Building)
- Asset class
- Residential
- Developer
- 249 Washington Street Owner LLC / Synergy
- Location
- 280-300 Washington Street, Downtown Boston
- Scale
- 11 story
- County
- Boston, MA
- Jurisdiction
- Boston
- Current status
- Approved
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280-300 Washington Street (Old South Building)
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