21 Stone Ave Unit 21 Somerville, MA 02143
Prospect Hill NeighborhoodEstimated payment $5,136/month
Highlights
- Hot Property
- Property is near public transit and schools
- Jogging Path
- Somerville High School Rated A-
- Wood Flooring
- 3-minute walk to Prospect Hill Park
About This Home
A rare opportunity to own a home just steps from Union Square, one of Somerville’s most vibrant and historic destinations, located only a quarter mile from the Green Line station. Nestled on a quiet side street at the base of Prospect Hill, where the first American flag was raised in 1776, 21 Stone combines neighborhood charm with urban convenience. From the private entry, you’re welcomed into an open light-filled living and dining space, where tall ceilings and large windows set a warm, inviting tone. The kitchen is both stylish and functional, with a southeast facing breakfast nook that captures the morning light. Additional perks include private laundry and storage in the basement, an off-street parking space, and shared patio ideal for outdoor gatherings. With award winning restaurants, cafés, and markets just around the corner, this home offers modern comfort rooted in the rich history and energy of Union Square.
Listing Agent
Berkshire Hathaway HomeServices Warren Residential Listed on: 04/13/2026
Open House Schedule
-
Saturday, April 18, 202611:00 am to 12:30 pm4/18/2026 11:00:00 AM +00:004/18/2026 12:30:00 PM +00:00Add to Calendar
-
Sunday, April 19, 202611:30 am to 1:00 pm4/19/2026 11:30:00 AM +00:004/19/2026 1:00:00 PM +00:00Add to Calendar
Property Details
Home Type
- Condominium
Est. Annual Taxes
- $4,245
Year Built
- Built in 1900
HOA Fees
- $250 Monthly HOA Fees
Home Design
- Entry on the 1st floor
- Frame Construction
- Shingle Roof
Interior Spaces
- 1,021 Sq Ft Home
- 1-Story Property
- Wood Flooring
Kitchen
- Range
- Freezer
- Dishwasher
Bedrooms and Bathrooms
- 2 Bedrooms
- 1 Full Bathroom
Laundry
- Dryer
- Washer
Parking
- 1 Car Parking Space
- Off-Street Parking
- Deeded Parking
Utilities
- Window Unit Cooling System
- 1 Heating Zone
- Heating System Uses Natural Gas
- Baseboard Heating
- Heating System Uses Steam
Additional Features
- Patio
- Property is near public transit and schools
Listing and Financial Details
- Assessor Parcel Number 4587370
Community Details
Overview
- Association fees include water, sewer, insurance, reserve funds
- 3 Units
Amenities
- Common Area
- Shops
- Laundry Facilities
Recreation
- Park
- Jogging Path
- Bike Trail
Pet Policy
- Call for details about the types of pets allowed
Map
Home Values in the Area
Average Home Value in this Area
Property History
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 04/13/2026 04/13/26 | For Sale | $849,000 | -- | $832 / Sq Ft |
Source: MLS Property Information Network (MLS PIN)
MLS Number: 73500433
- 9 Sanborn Ave
- 10 Sanborn Ave
- 8 Everett St
- 15 Walnut St
- 300 Somerville Ave
- 3 Linden St
- 42 Bow St Unit 5
- 192 Washington St Unit C
- 367 Somerville Ave Unit G
- 60 Bow St Unit E
- 373 Somerville Ave Unit D
- 16 Hamlet St
- 14 Hamlet St Unit C
- 14 Hamlet St Unit B
- 25 Alston St
- 67 Prospect St
- 14 Carlton St Unit B
- 16 Alston St Unit 16
- 20 Alston St
- 30 A Summer St
- 8 Stone Place Unit 1
- 10 Stone Place
- 10 Homer Square Unit 1
- 50 Columbus Ave Unit 10
- 11 Bow St Unit 2
- 301 Somerville Ave Unit I
- 301 Somerville Ave Unit 300I
- 14 Sanborn Ave Unit 2
- 35 Union Square Unit 300 SMVL
- 277 Washington St Unit 3
- 18 Bow St Unit 22
- 300 Somerville Ave Unit D
- 300 Somerville Ave Unit SI FL1-ID963
- 264 Washington St Unit 277 - 1
- 22 Bow St
- 22 Bow St
- 22 Bow St
- 22 Bow St
- 19 Bow St Unit 32
- 26 Bow St
Ask me questions while you tour the home.