9 O Street, Unit 1, South BostonBoston, MA 02127MLS Number 73479602

  • Price: $725,000
  • Est. Mortgage of $/month
  • 82 Days on Market
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$
%
$/month over payments
Federal 30-year interest rate: 6.36% last updated on May 14, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • 2Bedrooms
  • 1Bathrooms
  • 1929Year Built
  • 739Square Feet
Under Agreement
9 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 021279 O Street Boston MA 02127
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Cape Coastal Sotheby's International Realty
Cape Coastal Sotheby's International Realty
Office: 508-477-6688
540 Falmouth Road (Mashpee Rotary)
Mashpee, MA 02649
Introducing 9 O Street #1, a standout East Side residence offering the ideal blend of location, design, and outdoor living. This beautifully renovated two-bedroom home features an oversized private patio- a rare and highly sought after extension of the living space, perfect for entertaining, dining, or relaxing. Ideally positioned just a block from Castle Island, the waterfront, and South Boston's premier restaurants, shops, and neighborhood amenities, the setting delivers exceptional convenience and lifestyle appeal. The bright, airy interior was thoughtfully renovated in 2017 with timeless finishes and modern upgrades throughout, including a custom kitchen with marble countertops, stainless steel appliances, and classic shaker cabinetry. Additional highlights include hardwood floors, in-unit laundry, and exposed brick. The spacious primary bedroom offers storage and charming bow-front windows, completing this move-in-ready offering in one of South Boston's most desirable locations.

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Basic Information

  • Bedrooms2
  • Mls StatusUnder Agreement
  • Bathroom1
  • Contingency Pending P&S
  • Parcel Number 4690754
  • Unit Number1

Location

  • NeighborhoodSouth Boston
  • SubdivisionSouth Boston
  • Address9 O Street
  • Building Number9
  • CountySuffolk
  • StateMA
  • StreetO Street
  • TownBoston
  • Zip02127

Water Body

  • Miles to Beach0.3
  • Waterfront Features 1/10 to 3/10 To Beach

Other

  • Association Fee $175
  • Association Fee Includes Water, Sewer, Insurance
  • Date Listed02/24/2026
  • Farm Land Area Units Square Feet
  • View Count3

Tax Information

  • Tax Assessed Value $636,500
  • Tax Year 25
  • Taxes$7,959

Rooms

  • Bathrooms Total Decimal 1
  • Full Bath1

Building

  • BasementY
  • Building Area Units Square Feet
  • Entry Level 1
  • Rooms5
  • Stories1
  • Year Built1929
  • Year Built Details Actual
  • Year Built Source Public Records

Property Information

  • Square Feet739
  • Building Area Source Public Records
  • Living Area 739
  • Lot Size Units Acres
  • Structure Type 2/3 Family

Parking

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

Basic Information

  • List Price$725,000
  • MLSPIN 73479602
  • Modification Date04/04/2026
  • Property SubTypeCondominium
  • Purchase Contract Date03/23/2026

Interior

  • Flooring Hardwood

Utilities

  • Cooling Central Air
  • Cooling YN Yes
  • Heat SystemYes
  • Heating Central
  • Sewer Public Sewer
  • Water Source Public

Driving Directions

Listed by The Barka Group of Compass

South Boston Boston, MA Demographics

There is no data available

South Boston Boston, MA Real Estate Market Data

There is no data available

South Boston Boston, MA Schools

School NameDistanceTypeGrades

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. (MLSPIN) from third party sources, including sellers, lessors and public records, and were compiled by MLSPIN. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLSPIN and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

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