INNOVATE Real Estate
Condominium at 343 Allston Street # A, Cambridge MA 02139
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$1,699,000

343 Allston Street # A, Cambridge MA 02139
Cambridge, MA 02139
Listed by MonaLisa Team
Bedrooms
4
Bathrooms
3.5
Living area
1,615 sqft
Year built
2026

About this home

Welcome to 343 Allston Street, a stunning 2-unit new construction townhome, blending modern design with the ultimate comfort, in one of Cambridge's most sought-after neighborhoods. This thoughtfully designed residence offers 4 bedrooms plus a top floor bonus suite and 3.5 baths, with all the space you need to live, work, and unwind. The crown jewel is an expansive private rooftop deck with breathtaking panoramic views, perfect for morning coffee, evening entertaining, or soaking in the skyline. A private basement provides generous additional storage to keep your home effortlessly organized. Set in vibrant Cambridgeport, you're moments from the Charles River, Central Square, MIT, Whole Foods, Trader Joe’s, and an array of local cafés, restaurants, and shops, with easy access to transit and downtown Boston. New construction, fossil-fuel free environment, flexible living space, and unbeatable outdoor space: this is Cambridge living at its finest. Don't miss your chance to call this exceptional property home!

Highlights

Fireplace

Property details

MLS
MLS Property Information Network
MLS #
73577054
Property type
Condominium
Subdivision
N/A
Status
Active
Days on market
39
On market date
September 15, 2026
Stories
4
Total bathrooms
3.5
Garage spaces
N/A
Parking spaces
N/A
Lot size
N/A

Location

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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card.

Elementary
Amigos School
0.25 mi away · Grades -1-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
408
Student:teacher ratio
11.0:1
District
Cambridge
Middle
Putnam Avenue Upper School
0.39 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
262
Student:teacher ratio
7.5:1
District
Cambridge
High
Cambridge Rindge and Latin
0.89 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
1,867
Student:teacher ratio
8.6:1
District
Cambridge

Walkability

Blended score for Cambridge's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

91
Highly walkable
out of 100
EPA National Walkability Index
16.8 / 20 -- Most walkable
Google Places amenity density
100 / 100
Restaurants & cafes20
Grocery stores18
Parks20
Schools20
Transit stops20
Pharmacies13

Market position

How this listing compares to current activity in Cambridge, from live MLS data.

On the market 39 days -- 59 fewer days than Cambridge's current average of 98 days.
For reference, the median list price across 1,078 active listings in Cambridge right now is $7,950.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

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Est. monthly payment
$10,382/mo
$339,800 down
$1,359,200 loan
Principal & interest$8,816
Property tax (est.)$1,416
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated September 15, 2026.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.