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258-270 K street is an exceptionally rare corner lot development opportunity with multiple curb cuts in the heart of South Boston. 258-266 K street is formally the site of the beloved Joseph's Bakery and consists of 3700 usable sf + basement on a 5368 sf lot. 268-270 K street, the adjacent building is a 3228 sf well maintained 2-family on a 6603 sf lot. Additionally, this parcel has 10 gated parking spaces, an extreme rarity in Southie! The sale of the 2 parcels would give the buyer a combined 11,971 sf lot. Located in the South Boston Neighborhood MFR zoning district, there is a wide array of allowed & conditional uses for redevelopment. With approval, highest & best use is expected to be a fully residential conversion or a mixed use retail/residential conversion. The multifamily residential subdistrict dimensional regulations including FAR, frontage, building height, etc. can be found in article 68 table D on the Boston planning and development agency website.

More Info

Basic Information

  • Contingency Pending P&S
  • Listing Terms Contract
  • Lot Features Other
  • Mls StatusUnder Agreement

Tax Information

  • Tax Assessed Value $2,940,900
  • Tax Year 2025
  • Taxes$47,481

Parking

  • Parking Spaces10

Rooms

  • Bathroom4
  • Bathrooms Total Decimal 3.5
  • Bedrooms5
  • Full Bath3
  • Half Baths1

Basic Information

  • List Price$5,250,000
  • MLS Number73434171
  • Modification Date05/21/2026
  • Property SubType2 Family - 2 Units Up/Down
  • Purchase Contract Date05/07/2026

Location

  • Address258-270 K Street
  • Building Number258-270
  • CountySuffolk
  • StateMA
  • StreetK Street
  • TownBoston
  • Zip02127

Building

  • BasementPartially Finished
  • Building Area Units Square Feet
  • FireplaceYes
  • Fireplaces Total 1
  • FoundationConcrete Perimeter, Stone, Brick/Mortar
  • Levels 3
  • Rooms14
  • Stories3
  • Units2
  • Year Built1950
  • Year Built Details Approximate
  • Year Built Source Public Records

Property

  • Acreage0.27

Utilities

  • Sewer Public Sewer
  • Water Source Public

Property Information

  • Building Area Source Public Records
  • Living Area 3,228
  • Lot Size Square Feet 11,971
  • Lot Size Units Acres
  • Square Feet3,228

Amenities

  • Other AmenitiesBasement, Fireplace

Water Body

  • Miles to Beach2
  • Waterfront Features 1 to 2 Mile To Beach

Legal

  • ZoningC & R2

Other

  • Date Listed09/23/2025
  • Farm Land Area Units Square Feet
  • View Count3

Map Location

Driving Directions

Listed by Aldo Masciave of Leading Edge Real Estate

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