70 Prospect St, Unit 304

926 Sq. Ft.
$918 / Sq. Ft.
926
Sq. Ft.
$918
per Sq. Ft.

Description

Rare Flatiron building unit available! 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 breakfast bar boasts stainless steel appliances, white shaker-style cabinets, and granite countertops. Amenities include a 1-car parking, private deck, in-unit laundry, central air, large closets and a private storage closet....Rare Flatiron building unit available! 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 breakfast bar boasts stainless steel appliances, white shaker-style cabinets, and granite countertops. Amenities include a 1-car parking, private deck, in-unit laundry, central air, large closets and a private storage closet. The Flatiron is a professionally managed luxury elevator building with a common roof-deck, and bike racks. With a walk score of 95, conveniently located near Whole Foods, Bow Market, Target, and the New Union Sq. T.

Listing Agents

  1. Team Patti Brainard

    Team Patti Brainard

    Listing Agent

    Compass

    P: (781)-789-5767

  2. Patti Brainard

    Patti Brainard

    Alternative Listing Agent

    Compass

    P: (781)-789-5767

Property Details for 70 Prospect Street, Unit 304

Town
Somerville
MLS Area
Union Square
Area
MA-Somerville-Union Square, MA-Somerville
Style
Mid-Rise
Garage Spaces
0
Open Parking Spaces
1.00
Parking Spaces Total
1
LISTING UPDATED: 05/16/2026 03:08 AM

Property Details for 70 Prospect Street, Unit 304

StatusActive
MLS #73510324
Days on Market18
Taxes$9,949 / year
HOA Fees$569 / month
Property TypeCondo
MLS TypeRental / Condo
Year Built2015
CountyMiddlesex County
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Building Information for 70 Prospect Street, Unit 304

Building/ComplexThe Flatiron @ Union SquareFloor3Stories1Residences16Pet PolicyAllowedPet Policy Details-Year Built2015

Payment Calculator

$5,634 per month

30 year fixed, 6.36% Interest

Principal and Interest

$4,236

Property Taxes

$829

HOA Dues

$569

The Payment Calculator is for illustrative purposes only.

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Property Information for 70 Prospect Street, Unit 304

General Details
Property Details
  • Association Amenities: Elevator(s)
  • Building Area Units: Square Feet
  • Community Features: Public Transportation, Shopping, Park, Walk/Jog Trails, Golf Course, Medical Facility, Bike Path, Highway Access, House of Worship, Private School, Public School, T-Station, University
  • Living Area: 926.0
  • SqFt with Basement: No
  • Total Units: 16
  • Property Attached: Yes
  • Type of Condo: Condo
  • Waterfront: No
  • Water View: No
  • Year Built Details: Actual
  • Year Built Source: Public Records
Features
Interior Features
  • Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
  • Basement Features: N
  • Num of Baths: 1.0
  • Num of Full Baths: 1
  • Num of Half Baths: 0
  • Bathrooms Total Decimal: 1.00
  • Bathrooms Total Integer: 1
  • FireplaceYN: No
  • Fireplaces: 0
  • Flooring: Tile, Hardwood, Flooring - Hardwood
  • Interior Features: Open Floorplan, Entrance Foyer
  • Interior Features: Intercom
  • Laundry Features: Third Floor, In Unit, Electric Dryer Hookup, Washer Hookup
  • Main Level Bathrooms: 1
  • Main Level Bedrooms: 2
  • Primary Bath: No
  • SpaYN: No
  • Window Features: Insulated Windows
Exterior Features
  • Construction: Brick
  • Exterior Features: Deck, Balcony, City View(s)
  • Exterior Features: City View(s), Balcony, Deck
  • Patio And Porch Features: Deck
  • Roof Material: Rubber
  • Structure Type: Mid-Rise
  • View: City
  • View: Yes
Parking Features
  • Covered Spaces: .00
  • Garage: No
  • Garage Parking: Off-Street, Assigned
  • Parking Features: Off-Street, Assigned
  • Parking Features: Off-Street, Assigned
Utilities
  • Cooling: Central Air, Individual
  • Cooling: Yes
  • Electric: Circuit Breakers, 100 Amp Service
  • Green Energy Efficient: Thermostat
  • Heating: Forced Air, Natural Gas
  • Heating: Yes
  • Sewer: City/Town Sewer
  • Utility Connections: for Gas Range, for Gas Oven, for Electric Dryer, Washer Hookup
  • Water: Public
Room Information
Primary Bedroom
  • Room Primary Bedroom Area: 168.0
  • Room Primary Bedroom Features: Closet,Flooring - Hardwood
  • Room Primary Bedroom Length: 14.0
  • Primary Bedroom Level: Main, Third Floor
  • Room Primary Bedroom Width: 12.0
Bedroom 2
  • Bedroom2 Area: 154.0
  • Bedroom2 Features: Closet,Flooring - Hardwood
  • Bedroom2 Length: 14.0
  • Bedroom2 Level: Main,Third
  • Bedroom2 Width: 11.0
Bathroom 1
  • Bathroom1 Features: Bathroom - Tiled With Tub & Shower,Flooring - Stone/Ceramic Tile,Countertops - Stone/Granite/Solid,Lighting - Overhead
  • Bathroom1 Level: Main,Third
Dining Room
  • Dining Room Area: 144.0
  • Dining Room Features: Flooring - Hardwood,Lighting - Overhead
  • Dining Room Length: 12.0
  • Dining Room Level: Main,Third
  • Dining Room Width: 12.0
Kitchen
  • Kitchen Area: 132.0
  • Kitchen Features: Flooring - Hardwood,Countertops - Stone/Granite/Solid,Open Floorplan,Stainless Steel Appliances,Peninsula,Lighting - Pendant,Lighting - Overhead
  • Kitchen Length: 12.0
  • Kitchen Level: Main,Third
  • Kitchen Width: 11.0
Living Room
  • Room Living Room Area: 96.0
  • Room Living Room Features: Flooring - Hardwood,Deck - Exterior,Open Floorplan,Lighting - Overhead
  • Room Living Room Length: 12.0
  • Room Living Room Level: Main,Third
  • Room Living Room Width: 8.0
Property Information
Property Info
  • UFFI: Unknown
  • Year Round: Yes
  • Documents Available: Master Deed, Rules & Regs
  • Documents Count: 2
  • Farm Land Area Units: Square Feet
  • WARRANTY: No
  • Lot Size Units: Acres
  • Disclosures: Unit is rented until July 31st. Pet policy: refer to the attached Declaration of Trust. Pg 29,section 23. Rentals: Leases not less than 6 months. refer to the Declaration of Trust. Pg 30,section 29.
Tax Information
  • Tax ID: M:83 B:B L:1 U:304,5038253
  • Assessments: $882,600
  • Book: 70147
  • Tax Year: 2026
  • Zoning: Mixed
Building / Association Information
Living Characteristics
  • Beds Total: 2
  • Total Living Levels: 1
Other Building Characteristics
  • Accessibility Features: Accessible Entrance
  • Cooling Zones: 1
  • Heat Zones: 1
Complex & Association Information
  • Association Fee Frequency: Monthly
  • Association Fee Includes: Water, Sewer, Insurance, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash, Reserve Funds
  • Complex Name: The Flatiron @ Union Square
  • Complex Complete: Yes
  • Management: Professional - Off Site
  • Association Security: Intercom
  • Adult Community: No
Unit Information
Unit Information
  • Unit Building: 304
  • Unit Floor Level Integer: 3.0

Property History for 70 Prospect Street, Unit 304

DateEvent & SourcePriceAppreciation
May 12, 2026

Price Change

MLS PIN #73510324

$850,000—
Apr 30, 2026

Listed (Active)

MLS PIN #73510324

$870,000—
Oct 27, 2017

Sold

MLS PIN #72212937

$725,000—
DateEvent & SourcePrice
05/12/2026

Price Change

MLS PIN #73510324

$850,000
04/30/2026

Listed (Active)

MLS PIN #73510324

$870,000
10/27/2017

Sold

MLS PIN #72212937

$725,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 70 Prospect Street, Unit 304

Taxable ValueLand-Additions$865,500Total-
Tax Record2025$9,443 ($787 / month)
Home Facts
Beds2Baths1Total Finished SqFt926 SqFtAbove Grade Finished SqFt926 SqFtStyleCondominiumYear Built2015CountyMIDDLESEXAPNSOME M:83 B:B L:1 U:304

Schools near 70 Prospect Street, Unit 304

This home is within Somerville School District.
Rating
School
Type
Grades
Distance
Public - PK to 8
Public - 9 to 12
Public - PK to 8
Public - 7 to 8
Rating
School
Distance
Somerville High School
Public9 to 12

East Somerville Community School
PublicPK to 8

Next Wave Junior High School
Public7 to 8

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Similar Homes

70 Prospect Street, Unit 304 is a condo for sale in Somerville, MA 02143. This property was listed for sale on April 30, 2026 by Compass, it's currently listed at $850,000. It has been on the market for a total of 18 days and was last sold on October 27, 2017. This listing's school district is Somerville School District. Nearby schools include Albert F. Argenziano School At Lincoln Park, Somerville High School and East Somerville Community School. 70 Prospect Street, Unit 304 is a 2-bed, 1-bath, 926 sqft condo built in 2015.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

The property listing data and information, or the images, set forth herein were provided to MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS. The property listing data and information, and the images, 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., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the images, set forth herein.