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.
Listed by Aldo Masciave
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Leading Edge Real Estate
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781-883-0896
Listed by Ramsay Fretz
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Leading Edge Real Estate
Last updated September 26, 2025
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Source: MLSPin #73434171
Listing Facts
TypeMulti-family
NeighborhoodTelegraph Hill
Bedrooms5
Bathrooms4
Days on Prevu31
Taxes$47,481/year
Size3,228 sqft
Price per sqft$1,626
Amenities
Parking
Location
Mortgage Calculator
Listing History
09/22/2025
Listed by Leading Edge Real Estate
$5,250,000
Property Details for 258-270 K Street
Exterior
Construction
Number Of Units Total: 2
Stories: 3
Stories Total: 3
Year Built: 1950
Year Built Details: Approximate
Features
Waterfront Features: 1 To 2 Mile To Beach
Measurements
Building Area Total: 3,228
Building Area Units: Square Feet
Lot Features: Other
Lot Size Acres: 0.27
Lot Size Area: 0
Lot Size Square Feet: 11,971
Lot Size Units: Acres
Financial
Taxes
Tax Annual Amount: $47,481.00
Tax Assessed Value: $2,940,900.00
Tax Year: 2025
Interior
Features
Fireplace: Yes
Fireplaces Total: 1
Measurements
Living Area: 3,228
Living Area Source: Public Record
Rooms
Basement: Partially Finished
Bathrooms Full: 3
Bathrooms Half: 1
Bathrooms Total Integer: 4
Bedrooms Total: 5
Rooms Total: 14
Other
General
Exclusions: Sellers Personal Belongings
Parking
Parking
Parking Total: 10
Utilities
Equipment
Sewer: Public Sewer
Water Source: Public
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