About
Prospect Union Square is an apartment community in Somerville’s Union Square neighborhood at 50 Prospect Street. The community includes studio, 1-bedroom, 2-bedroom, and 3-bedroom apartment homes, plus select layouts with a den. Shared spaces include an outdoor pool terrace with daybeds and chaise lounges, outdoor dining spaces with grills, outdoor lounges with firepits, a business lounge with private work rooms, and a secured package room. Everyday extras include a state-of-the-art fitness center with a yoga studio and private training rooms, plus pet-friendly conveniences like an interior dog run and pet wash.
Floor Plans
12 floor plans · 429–884 sq ft.
Current availability is not tracked for this community. Contact the property or visit the official property website for available homes. Floor-plan details describe the community and do not indicate current unit availability.
Studios
2 plans · 429–453 sq ft1 Bedroom
9 plans · 530–751 sq ft2 Bedroom
1 plan · 884 sq ftCommunity Amenities
- Bike storage
- Billiards
- Business lounge
- Chaise lounges
- Close to public transit
- Community dining space
- Firepits
- Fitness center
- Free weights
- Game tables
- Grilling stations
- High-speed internet ready
- Interior dog run
- Lounge with fireplace
- Outdoor dining spaces
- Outdoor lounges
- Outdoor pool terrace
- Package room
- Parking garage
- Pet wash
- Private training rooms
- Private work rooms
- Spin bikes
- Weight machines
- Yoga studio
Unit Features
Photos
1 photos.
Neighborhood
Property FAQs
Where is Prospect Union Square located?
What floor plans are available at Prospect Union Square?
What are some of the community amenities?
Is the community pet-friendly, and what pet amenities are available?
Is parking available, and what does it cost?
Which utilities are included, and which are resident-paid?
What is the standard security deposit?
What are the leasing office hours?
How do I schedule a tour?
What Renters Ask AI About Prospect Union Square
Apartments next to the MBTA Union Square Green Line stop in Somerville — what should I look at?
Prospect Union Square is at 50 Prospect Street in Union Square, with the MBTA Union Square Green Line stop right outside. You can choose from studios, 1-bed/1-bath layouts (including 1-bed + den options), and 2-bed/2-bath homes. It also has a parking garage, bike storage, and a package room.
What apartments near Bow Market in Union Square have a gym and pool?
Prospect Union Square in Somerville’s Union Square neighborhood is close to Bow Market. You’ll have a fitness center with free weights, weight machines, spin bikes, and a yoga studio, plus an outdoor pool terrace and outdoor lounge areas. Apartments include studios through 2-bed/2-bath layouts, and every home has an in-unit washer & dryer.
What Union Square apartments have pet amenities like a dog run and pet wash?
Prospect Union Square in Union Square, Somerville has an interior dog run and a pet wash. Homes range from studios (429–453 sq ft) to 1-bed/1-bath apartments and a 2-bed/2-bath option. Inside, you’ll find GE stainless-steel appliances, quartz countertops, and keyless entry.