Welcome to this east side penthouse located just a few blocks from M Street Beach in one direction and Castle Island in the other. Stretching over 1300 square feet of flexible space this home offers two spacious bedrooms plus a versatile office or nursery, ideal for modern living. Moments inside to discover an inviting spacious layout with ample storage. The living area is perfect for both relaxation and entertaining, featuring large windows that flood the space with natural light and offer views of the vibrant neighborhood. One of the standout features of this home is its private roof deck, providing a serene retreat with panoramic views of South Boston and beyond. Whether hosting gatherings or enjoying a peaceful evening under the stars, this outdoor space is sure to impress. Moments to M Street Park, East Broadway and all the Southie hustle.
Sold for $1,015,000
$1,015,000
121 M St APT 3, South Boston, MA 02127
3beds
1,357sqft
Condominium
Built in 1900
-- sqft lot
$1,019,400 Zestimate®
$748/sqft
$5,468 Estimated rent
Home value
$1,019,400
$928,000 - $1.12M
$5,468/mo
Zestimate® history
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List your homeWhat's special
Private roof deckVersatile office or nurseryLarge windowsInviting spacious layoutSpacious bedrooms
Zillow last checked:
Listing updated:
Listed by:
Carlisle Group,
Compass 617-206-3333
Bought with:
Michael Slabine
Keller Williams Realty Boston-Metro | Back Bay
Source: MLS PIN,MLS#: 73331020
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 2
Primary bathroom
- Features: Yes
Heating
- Forced Air, Natural Gas
Cooling
- Central Air
Appliances
- Included: Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer
Features
- Flooring: Wood, Tile
- Windows: Insulated Windows
- Has basement: Yes
- Has fireplace: No
Interior area
- Total structure area: 1,357
- Total interior livable area: 1,357 sqft
- Finished area above ground: 1,357
Property
Parking
- Parking features: None
Accessibility
- Accessibility features: No
Features
- Patio & porch: Deck - Roof
- Exterior features: Deck - Roof
- Has view: Yes
- View description: Water, Harbor, Ocean
- Has water view: Yes
- Water view: Harbor,Ocean,Water
- Waterfront features: Harbor, Ocean
Lot
- Size: 1,357 Square Feet
Details
- Parcel number: W:06 P:02548 S:006,1411512
- Zoning: CD
Construction
Type & style
- Home type: Condo
- Property subtype: Condominium
Materials
- Roof: Rubber
Condition
- Year built: 1900
- Major remodel year: 2014
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Features: Public Transportation, Tennis Court(s), Park, Medical Facility, Bike Path, Highway Access, House of Worship, Marina, Private School, Public School, T-Station, University
HOA
- Amenities included: Hot Water
- Services included: Heat, Gas, Water, Sewer, Insurance
- HOA fee: $280 monthly
Location
- Region: South Boston
Financial & listing details
- Price per square foot: $748/sqft
- Tax assessed value: $1,029,800
- Annual tax amount: $11,225
- Date on market: 1/9/2026
Price history
| Date | Event | Price |
|---|---|---|
| 3/14/2025 | Sold | $1,015,000+1.6%$748/sqft |
Source: MLS PIN #73331020 Report a problem | ||
| 2/2/2025 | Contingent | $999,000$736/sqft |
Source: MLS PIN #73331020 Report a problem | ||
| 1/31/2025 | Listed for sale | $999,000-9.1%$736/sqft |
Source: MLS PIN #73331020 Report a problem | ||
| 8/25/2024 | Listing removed | $1,099,000$810/sqft |
Source: MLS PIN #73265472 Report a problem | ||
| 7/16/2024 | Listed for sale | $1,099,000+30.8%$810/sqft |
Source: MLS PIN #73265472 Report a problem | ||
| 6/30/2017 | Sold | $840,000+21.6%$619/sqft |
Source: Public Record Report a problem | ||
| 4/10/2015 | Sold | $691,000$509/sqft |
Source: Agent Provided Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $12,577 +12% | $1,086,100 +5.5% |
| 2024 | $11,225 +3.6% | $1,029,800 +2.1% |
| 2023 | $10,836 +2.7% | $1,008,900 +4% |
| 2022 | $10,553 +4% | $969,900 +2% |
| 2021 | $10,146 +9% | $950,900 +7.8% |
| 2020 | $9,311 +7.2% | $881,700 +7% |
| 2019 | $8,688 +5.6% | $824,320 +5% |
| 2018 | $8,225 +23.3% | $784,875 +24.6% |
| 2017 | $6,673 +18.2% | $630,085 +22.8% |
| 2016 | $5,644 | $513,100 |
Find assessor info on the county website
Neighborhood: South Boston
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Nearby schools
GreatSchools rating
- 7/10Perry Elementary SchoolGrades: PK-6Distance: 0.2 mi
- 3/10James F. Condon SchoolGrades: PK-8Distance: 1 mi
- 2/10Excel High SchoolGrades: 9-12Distance: 0.6 mi
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Estimated market value
$1,019,400
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$1,019,400
- Massachusetts
- Suffolk County
- Boston
- 02127
- South Boston
- 121 M St Apartment 3
