The Flatiron @ Union Square

Listing Tools

Wow! Don't miss this pristine Flatiron building unit with an amazing new price! This prime Union Square condo is a must-see on any urban-dweller's wish list! This open-concept home features 9-foot ceilings, maple hardwood floors, and oversized windows allowing for an abundance of natural light. The beautiful kitchen, with a breakfast bar, boasts stainless steel appliances, white shaker-style cabinets, and granite countertops. Amenities include 1-car parking, a private deck, in-unit laundry, central air, large closets, a private storage closet, and common bike storage. The Flatiron is a professionally managed luxury elevator building with a large common roof deck with skyline views of Boston. With a walk-score of 95, it is conveniently located near Whole Foods, Bow Market, numerous shops and restaurants, Inman Sq, and the New Union Sq. T. Freshly painted and ready to move in and begin enjoying your wonderful new home!

More Info

Basic Information

  • Bedrooms2
  • Mls StatusBack on Market
  • Bathroom1
  • Parcel Number M:83 B:B L:1 U:304,5038253
  • Unit Number304

Tax Information

  • Tax Assessed Value $882,600
  • Tax Year 2026
  • Taxes$9,948

Parking

  • Parking Spaces1
  • Parking Features Off Street, Assigned

Rooms

  • Bathroom 1 Main, Third
  • Bathrooms Total Decimal 1
  • Bedroom 2 Main, Third,15 x 12
  • Full Bath1
  • Kitchen Main, Third,13 x 13
  • Living Room Third
  • Main Level Bathrooms 1
  • Main Level Bedrooms 2
  • Master Bedroom Main, Third,15

Basic Information

  • List Price$819,000
  • MLS Number73510324
  • Modification Date09/02/2026
  • Property SubTypeCondominium

Location

  • NeighborhoodUnion Square
  • SubdivisionUnion Square
  • Address70 Prospect Street
  • Building Number70
  • CountyMiddlesex
  • StateMA
  • StreetProspect Street
  • TownSomerville
  • Zip02143

Building

  • BasementN
  • Building Area Units Square Feet
  • Construction Materials Brick
  • Entry Level 3
  • Patio And Porch Features Deck - Exterior, Deck
  • Property NameThe Flatiron @ Union Square
  • Rooms4
  • Stories1
  • Utilities For Gas Range, For Gas Oven, For Electric Dryer, Washer Hookup
  • Window Features Insulated Windows
  • Year Built2015
  • Year Built Details Actual
  • Year Built Source Public Records

Interior

  • Flooring Tile, Hardwood, Flooring - Hardwood
  • Interior Features Open Floorplan, Lighting - Overhead, Entrance Foyer, Living/Dining Rm Combo

Exterior

  • Exterior Features Deck, Balcony, City View(s)
  • RoofRubber

Utilities

  • Cooling Central Air, Individual
  • Cooling YN Yes
  • Electric Circuit Breakers,100 Amp Service
  • Heat SystemYes
  • Heating Forced Air, Natural Gas
  • Sewer Public Sewer
  • Water Source Public

Property Information

  • Square Feet926
  • Building Area Source Public Records
  • Living Area 926
  • Lot Size Units Acres
  • Property Attached YN Yes
  • Structure Type Mid-Rise
  • View YN Yes

Amenities

  • Accessibility Features Accessible Entrance
  • Amenities
    • Bike Path
    • Golf
    • Highway Access
    • House of Worship
    • Medical Facility
    • Park
    • Private School
    • Public School
    • Public Transportation
    • Shopping
    • T-Station
    • University
    • Walk/Jog Trails
  • Appliances IncludedRange, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
  • Association Amenities Elevator(s)
  • Green Energy Efficient Thermostat
  • Other AmenitiesGolf
  • PetsYes w/ Restrictions
  • Security Features Intercom

Legal

  • ZoningMixed

Other

  • Association Fee $642
  • Association Fee Frequency Monthly
  • Association Fee Includes
    • Insurance
    • Maintenance Grounds
    • Maintenance Structure
    • Reserve Funds
    • Sewer
    • Snow Removal
    • Trash
    • Water
  • Date Listed04/30/2026
  • Farm Land Area Units Square Feet
  • View Count5

Map Location

Driving Directions

Listed by Team Patti Brainard of Compass

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