21 Stone Ave # 21 Somerville, MA $ 849,000
21 Stone Ave # 21
$ 849,000
Recently Listed
Open House 4/18 11am - 12:30pm
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21 Stone Ave # 21

Somerville, MA, 02143
$ 849,000
Bedrooms2 Baths1.0 Sq 1,021

Monthly Estimate*

$ 5,227

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Condo for sale in Somerville, MA

for $849,000 with 2 bedrooms and 1 full bath. This 1,021 square foot condo was built in 1900.

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.

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Open House

4/18/2026 11:00 AM - 12:30 PM
4/19/2026 11:30 AM - 1:00 PM
21 Stone Ave # 21 Somerville, MA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Condo Active

Price

$ 849,000

Bedrooms

2

Full Bath

1

Property Type

Condo

Taxes

$ 4,245

Style

2/3 Family

Year Built

1900

Town/City

Somerville

County/Region

Middlesex

MLS | Web ID

73500433

List By
The Moving Greater Boston Team

Listing Agent

Berkshire Hathaway Homeservices Warren Residential

Broker

Affordability Calculator

$5,581
Per Month
94%
6%
0%
Monthly Principal & Interest
$5,227
Monthly Property Taxes
$354
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Pricing History
DatePricePrice ChangeDescription
4/13/2026$849,000 Listed Price

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21 Stone Ave # 21, Somerville, MA, 02143 is a Condo for sale at $849,000 with 1,021 sqft. 21 Stone Ave # 21 has 2 bedrooms, 1.0 baths, and was built in 1900. The property's zip code is 02143 which is in Somerville, MA