Union Square, MA Homes for Sale

9 homes for sale • Median price: $1,248,556

9 properties found in Union Square

Sort by:

Price Reduced

$819,000 $870,000

2 bd 1.0 ba 926 sqft

70 Prospect St #304 Somerville, MA 02143

Condominium Built 2015

Price Reduced

$1,185,000 $1,225,000

4 bd 3.0 ba 1,467 sqft

182 Tremont St #2 Somerville, MA 02143

Condominium Built 1900

$2,495,000

4 bd 3.5 ba 2,916 sqft

17 Porter St U:1 Somerville, MA 02143

Single Family Residence Built 2019

Price Reduced

$739,000 $774,900

2 bd 1.0 ba 1,050 sqft

21 School St #1L Somerville, MA 02143

Condominium Built 1870

$1,549,000

8 bd 3.0 ba 3,341 sqft

34 Summer St Somerville, MA 02143

2 Family - 2 Units Up/Down Built 1900

$1,000,000

4 bd 2.0 ba 1,890 sqft

67 Prospect St Somerville, MA 02143

Multi Family Built 1900

$1,150,000

5 bd 3.0 ba 1,887 sqft

417 Somerville Ave. Somerville, MA 02143

3 Family - 3 Units Up/Down Built 1900

$1,150,000

5 bd 3.0 ba 1,887 sqft

419 Somerville Ave. Somerville, MA 02143

3 Family - 3 Units Up/Down Built 1900

$1,150,000

5 bd 3.0 ba 1,887 sqft

421 Somerville Ave. Somerville, MA 02143

3 Family - 3 Units Up/Down Built 1900

Union Square Market Overview

Real-time market statistics for homes for sale in Union Square Data as of Sep 6, 2026 at 10:02 AM

The Union Square real estate market currently offers 9 homes for sale with a median listing price of $1.2M. With a market heat index of 50, this is a balanced market. Properties typically sell with more time for buyer consideration, averaging 48 days on market. Prices range from $739K to $2.5M, offering options for various budgets.

Active Listings

$1,248,556

Average Price

48 days

Avg. Days on Market

$739K - $2.5M

Price Range

1,917 sqft

Avg. Living Area

$675 /sqft

Avg. Price/Sqft

Property Types in Union Square

Condominium 3

3 Family - 3 Units Up/Down 3

Single Family Residence 1

2 Family - 2 Units Up/Down 1

Multi Family 1

Nearby Cities

Explore homes in communities near Union Square

Frequently Asked Questions

Common questions about Union Square real estate

How many homes are for sale in Union Square?

There are currently 9 homes for sale in Union Square, MA. Our listings are updated daily with the latest properties from the MLS.

What is the median home price in Union Square?

The median listing price for homes in Union Square is $1,248,556. Home prices can vary based on size, condition, and specific location within the area.

How long do homes stay on the market in Union Square?

Homes in Union Square typically sell within 48 days on average. Market conditions can affect how quickly homes sell.

Is Union Square a good place to buy a home?

Union Square offers a variety of housing options in MA. Contact our team for personalized recommendations based on your needs and budget.

Ready to Find Your Home in Union Square?

Get expert guidance on buying or selling in Union Square. Schedule a consultation to discuss your real estate goals.

Schedule Consultation Call (617) 955-2224

BMN Boston Real Estate Real Estate Agent

Union Square, MA Homes for Sale

Union Square Market Overview

Property Types in Union Square

Nearby Cities

Boston

Newton

Somerville

Brookline

Quincy

Cambridge

Lynn

Medford

Frequently Asked Questions

Ready to Find Your Home in Union Square?

Get the BMN Boston App