Listing Tools

OPEN HOUSE SATURDAY MAY 30th 9-10am. CHECK OUT THE VIEW from your private roof deck! This adorable 1BR penthouse unit with granite counters and stainless steel appliances is located in the heart of Southie. Soaring cathedral ceilings and a custom walk in closet with washer and dryer in unit. Close to many shops and restaurants as well as the beach and ocean! Close to 11 bus with access to financial district and seaport. Showings begin immediately!

More Info

Basic Information

  • Bedrooms1
  • Mls StatusNew
  • Bathroom1
  • Parcel Number W:07 P:01395 S:006,4871501
  • Unit Number3

Tax Information

  • Tax Assessed Value $478,500
  • Tax Year 2025
  • Taxes$5,541

Parking

  • Parking Spaces
  • Open Parking YN Yes
  • Parking Features On Street

Rooms

  • Bathroom 1 Main, Third
  • Bathrooms Total Decimal 1
  • Full Bath1
  • Kitchen Main, Third
  • Living Room Main, Third
  • Main Level Bathrooms 1
  • Main Level Bedrooms 1
  • Master Bedroom Main, Third

Basic Information

  • List Price$550,000
  • MLS Number73524001
  • Modification Date05/27/2026
  • Property SubTypeCondominium

Location

  • Address100 Old Harbor Street
  • Building Number100
  • CountySuffolk
  • StateMA
  • StreetOld Harbor Street
  • TownBoston
  • Zip02127

Building

  • BasementN
  • Building Area Units Square Feet
  • Common Walls No One Above
  • Entry Level 3
  • Patio And Porch Features Deck, Deck - Roof
  • Rooms4
  • Stories1
  • Utilities For Gas Range
  • Year Built1873
  • Year Built Details Actual
  • Year Built Source Public Records

Property

  • Acreage0.01

Interior

  • Flooring Hardwood

Exterior

  • Exterior Features Deck, Deck - Roof

Utilities

  • Cooling Window Unit(s)
  • Cooling YN Yes
  • Electric 100 Amp Service
  • Heat SystemYes
  • Heating Forced Air, Natural Gas
  • Sewer Public Sewer
  • Water Source Public

Property Information

  • Square Feet569
  • Building Area Source Public Records
  • Living Area 569
  • Lot Size Square Feet 569
  • Lot Size Units Acres
  • Structure Type 2/3 Family

Amenities

  • Amenities
    • Highway Access
    • Marina
    • Park
    • Public Transportation
    • Shopping
    • Walk/Jog Trails
  • Appliances IncludedRange, Oven, Dishwasher, Disposal, Refrigerator, Washer
  • PetsYes

Water Body

  • Miles to Beach0.3
  • Waterfront Features Harbor, Ocean, Walk to,1/10 to 3/10 To Beach, Beach Ownership(Public)

Other

  • Association Fee $118
  • Association Fee Frequency Monthly
  • Association Fee Includes Water, Insurance, Maintenance Structure
  • Date Listed05/26/2026
  • Farm Land Area Units Square Feet
  • View Count1

Map Location

Driving Directions

Listed by Kimberly O'Neil Mara of Century 21 North East

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