


















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.
Open House: April 18th 11:00-12:30pm
| MLS Listing ID: | 73500433 |
|---|---|
| Listing Price: | $849,000 |
| Listing Status: | New [?] |
| Neighborhood: | Union Square |
| Property Type: | Condo |
| Style: | 2/3 Family |
| Rooms: | 5 |
| Bedrooms: | 2 |
| Full Baths: | 1 |
| Living Space: | 1021 sf. |
| Lot Size: | - |
| Parking: | Yes, Off-Street, Deeded, Off-Street, Deeded |
| Taxes: | $4,245.00 |
| Tax Year: | 2025 |
| Association Fees: | $250.00 |
Listing Current as of April 14, 2026 3:00pm
This listing brought to you by The Moving Greater Boston Team of Berkshire Hathaway HomeServices Warren Residential.
The property listing data and information set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information 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. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information set forth herein.
A&S Realty, Inc and their agents make no warranties or representations as to the accuracy of this data, although good faith efforts have been made to ensure that the data displayed on this page is as accurate as possible. In certain cases listings are syndicated through another agency, management company, or through the MLS. A&S Realty, Inc is not responsible for the data that is displayed from a syndicate partner. Listings may no longer be available, pricing may be subject to change, and any photos or descriptions may be of a similar unit or from a previous year.