
121 M St Unit 3 Boston, MA 02127
South Boston NeighborhoodHighlights
- Marina
- Medical Services
- Property is near public transit
- Ocean View
- Deck
- 4-minute walk to Medal Of Honor Park
About This Home
As of March 2025Welcome 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.
Last Buyer's Agent
Michael Slabine
Keller Williams Realty Boston-Metro | Back Bay

Property Details
Home Type
- Condominium
Est. Annual Taxes
- $11,225
Year Built
- Built in 1900
HOA Fees
- $280 Monthly HOA Fees
Property Views
- Ocean
- Harbor
Home Design
- Rubber Roof
Interior Spaces
- 1,357 Sq Ft Home
- 2-Story Property
- Insulated Windows
- Basement
Kitchen
- Range
- Microwave
- Freezer
- Dishwasher
- Disposal
Flooring
- Wood
- Tile
Bedrooms and Bathrooms
- 3 Bedrooms
- 2 Full Bathrooms
Laundry
- Dryer
- Washer
Outdoor Features
- Deck
Location
- Property is near public transit
- Property is near schools
Utilities
- Forced Air Heating and Cooling System
- 1 Cooling Zone
- 1 Heating Zone
- Heating System Uses Natural Gas
- Hot Water Heating System
Listing and Financial Details
- Assessor Parcel Number W:06 P:02548 S:006,1411512
Community Details
Overview
- Association fees include heat, gas, water, sewer, insurance
- 3 Units
Amenities
- Medical Services
Recreation
- Marina
- Tennis Courts
- Park
- Bike Trail
Pet Policy
- Pets Allowed
Similar Homes in Boston, MA
Home Values in the Area
Average Home Value in this Area
Property History
Date | Event | Price | Change | Sq Ft Price |
---|---|---|---|---|
03/14/2025 03/14/25 | Sold | $1,015,000 | +1.6% | $748 / Sq Ft |
02/02/2025 02/02/25 | Pending | -- | -- | -- |
01/30/2025 01/30/25 | For Sale | $999,000 | +18.9% | $736 / Sq Ft |
06/30/2017 06/30/17 | Sold | $840,000 | +0.1% | $619 / Sq Ft |
04/18/2017 04/18/17 | Pending | -- | -- | -- |
04/07/2017 04/07/17 | For Sale | $839,000 | +21.4% | $618 / Sq Ft |
04/10/2015 04/10/15 | Sold | $691,000 | -1.1% | $509 / Sq Ft |
03/27/2015 03/27/15 | Pending | -- | -- | -- |
03/12/2015 03/12/15 | Price Changed | $699,000 | -3.6% | $515 / Sq Ft |
02/26/2015 02/26/15 | For Sale | $725,000 | -- | $534 / Sq Ft |
Tax History Compared to Growth
Agents Affiliated with this Home
-
Seller's Agent in 2025
Carlisle Group
Compass
(973) 219-3337
260 in this area
554 Total Sales
-
M
Buyer's Agent in 2025
Michael Slabine
Keller Williams Realty Boston-Metro | Back Bay
-
Seller's Agent in 2017
Chris Horan
William Raveis Real Estate
(617) 642-6510
21 Total Sales
-
Buyer's Agent in 2017
Amy Carlisle
Compass
(617) 699-0033
9 in this area
24 Total Sales
-
Seller's Agent in 2015
Joseph Heywood
South End Realty Group
(617) 921-3222
10 Total Sales
-
Buyer's Agent in 2015
Charlie King
Real Broker MA, LLC
(617) 549-8542
2 in this area
19 Total Sales
Map
Source: MLS Property Information Network (MLS PIN)
MLS Number: 73331020

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