343 Allston Street # A, Cambridge MA 02139

Cambridge, MA 02139 • Cambridgeport
$1,699,000
Est. $9,350/month
Estimate assumptions

20% down, a 30-year loan at 6.5%, and $200/month estimated insurance.

Includes the supplied property-tax and HOA inputs; missing inputs contribute $0. HOA fees with an unspecified frequency are treated as monthly. PMI and closing costs are excluded.

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4
Beds
3.5
Baths
1,615
Sq Ft
$1,052
Price/Sq Ft
2026
Year Built
18 minutes
Time on Market
For Sale Open House Listed Sep 15, 2026 • MLS# 73577054 Copied! • Updated Sep 15, 2026

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Open House Schedule

17
Sep
Thursday, September 17
11:00 AM - 12:30 PM EDT

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!

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Recently Sold Nearby

Property History

Property Timeline

🏠
Listed for Sale
Sep 15, 2026
$1,699,000
Original listing
Agent: MonaLisa Team Office: Compass

Tax History

Year Taxes Assessment
2026 $3,265 $993,100

Financial Details

Annual Property Tax
$3,265
Tax Year 2026
HOA Fee
$287
Monthly
Assessed Value
$993,100

Facts & Features

New Construction

Home Facts

Type Residential
Style Condominium
Year Built 2026
Living Area 1,615 sq ft
Stories 4
Bedrooms 4
Full Baths 3
Half Baths 1
Total Rooms 8

Interior

Heating Heat Pump, Electric, Unit Control, Ductless
Cooling Heat Pump, 3 Or More, Energy Star Qualified Equipment, Ductless
Flooring Tile, Hardwood
Appliances Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
Fireplace None
Fireplaces 1
Basement Y
Laundry Second Floor, In Unit, Electric Dryer Hookup, Washer Hookup
Features Bathroom - Full, Bathroom

Exterior

Construction Frame
Architecture None
Roof Rubber
Features Deck - Roof, Deck - Composite
Pool None
Spa None
Fencing None
Patio/Porch Deck - Roof, Deck - Composite
Features On Street
Electric Circuit Breakers, 200+ Amp Service
Water Public
Sewer Public Sewer
Gas None
Other For Electric Range, For Electric Oven, For Electric Dryer, Washer Hookup
Annual Tax $3,265
Assessed Value $993,100

HOA & Community

HOA Fee $287 Monthly
Fee Includes Water, Sewer, Insurance, Maintenance Structure, Reserve Funds
Amenities None
Optional Fee Includes None
Owner-Occupied Units 2
Pets Yes
Lead Paint Unknown
Seller Disclosures New Construction Townhouse Except For Foundation. Roof Deck Is 425 Sf With 2ft X 2ft Teak Tiles. 6-zone Mitsubishi Ductless Heat Pump System With Ceiling Cassettes. Pet Friendly. Non-smoking. Cambridge Will Assess As Condos After Both Units Are Sold. 2 Months Condo Fee Due At Closing.
Possession None
Accepted Financing Contract
Structure Type ["2/3 Family"]
Unit/Building A
Sq Ft Source Measured
Documents None
County Middlesex

Property Overview

Property Type
Condominium
Listing Type
For Sale
Year Built
2026
Bedrooms
4
Full Bathrooms
3
Half Bathrooms
1
Living Area
1,615 sq ft
Total Rooms
8
Stories
4
Entry Level
1

Floor Layout

Interior Features

Flooring: Tile, Hardwood
Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
Interior Features: Bathroom - Full, Bathroom
Windows: Insulated Windows
Basement: Y
Laundry: Second Floor, In Unit, Electric Dryer Hookup, Washer Hookup
Security:

Construction & Materials

Year Built: 2026
Effective Year (Renovated): 2026
Structure Type: 2/3 Family
Exterior Materials: Frame
Roof: Rubber
Foundation:
Stories: 4

Heating, Cooling & Utilities

Heating: Heat Pump, Electric, Unit Control, Ductless
Heating Zones: 6
Cooling: Heat Pump, 3 or More, ENERGY STAR Qualified Equipment, Ductless
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

Exterior Features: Deck - Roof, Deck - Composite
Patio & Porch: Deck - Roof, Deck - Composite
Fencing:
Other Structures:
Lot Features:
Road Surface:

Parking & Garage

Parking Features: On Street

Special Features

Fireplaces: 1
Fireplace Type:
Community Amenities: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Golf, Medical Facility, Bike Path, Conservation Area, Highway Access, House of Worship, Marina, Private School, Public School, T-Station, University
School District
Cambridge School District local
A-
🎓 Where Graduates Go Class of 2021
65% attend college
58% 4-Year 7% 2-Year 23% Out of State 7% Working
School Safety 2024-25
1.2% Low
0.8% Suspensions 0.2% In-School 0.4% Emergency
4.3% below state avg
E

Elementary Schools

10 schools
A
Amigos School
0.3 mi | #46 of 352 | Score: 57.6
Improved 13 spots from last year
-0.6 below state avg
421 students Diverse
Diverse Student Body Strong Attendance
Grades PK-08
C
Prospect Hill Academy Charter School
0.8 mi | #245 of 346 | Score: 47.4
Improved 37 spots from last year
-10.8 below state avg
888 students Diverse
Rising School College Ready Curriculum Diverse Student Body
Grades PK-12
Shady Hill School
1.5 mi
Grades PK-08
St. Peter Elementary School
1.6 mi
Grades PK-08
Cambridge Montessori School
2.0 mi
Grades PK-06
Cambridge Friends School
2.1 mi
Grades PK-08
A
Benjamin Banneker Charter Public School
2.3 mi | #105 of 825 | Score: 59.1
Dropped 84 spots from last year
+0.9 above state avg
344 students Less Diverse
Grades PK-06
Fayerweather Street School
3.0 mi
Grades PK-08
Lycee International de Boston/International School of Boston, Inc.
3.0 mi
Grades 01-12
A+
Martin Luther King Jr. School
0.4 mi | #16 of 825 | Score: 65.4
Improved 27 spots from last year
+7.2 above state avg
401 students Very Diverse
Rising School Diverse Student Body Strong Attendance
Grades PK-05
M

Middle Schools

5 schools
Allium Montessori School
1.2 mi
Grades 01-06
A-
Putnam Avenue Upper School
0.4 mi | #104 of 352 | Score: 49.2
Dropped 25 spots from last year
-9 below state avg
286 students Very Diverse
Diverse Student Body
Grades 06-08
B-
Cambridge Street Upper School
1.3 mi | #207 of 352 | Score: 39.9
Dropped 19 spots from last year
-18.3 below state avg
317 students Very Diverse
Diverse Student Body
Grades 06-08
B+
Darby Vassall Upper School
1.5 mi | #119 of 352 | Score: 47.6
Improved 25 spots from last year
-10.6 below state avg
296 students Very Diverse
Rising School Diverse Student Body
Grades 06-08
A
Rindge Avenue Upper School
2.3 mi | #66 of 352 | Score: 54.0
Dropped 1 spots from last year
-4.2 below state avg
278 students Diverse
Diverse Student Body Strong Attendance
Grades 06-08
H

High Schools

3 schools
Farr Academy School
0.4 mi
Grades 07-12
NuVu Innovation School
0.6 mi
Grades 08-12
B-
Community Charter School of Cambridge
1.5 mi | #205 of 346 | Score: 51.9
Dropped 84 spots from last year
-6.3 below state avg
244 students Diverse
7 sports • 202 athletes
High Graduation Rate College Ready Curriculum
Grades 06-12
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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $272
Homeowners Insurance $200
HOA Fee $287/mo
PMI (if <20% down) $0

Loan Summary

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Payment Over Time

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Year 1
95% Interest
Year 15
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Year 30
95% Principal
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Location

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Neighborhood

Cambridgeport

343 Allston Street # A, Cambridge MA 02139

Cambridge, MA 02139

Listing Information

Listing Agent MonaLisa Team
Listing Office Compass
Office Phone 617-303-0067
Agent MLS ID TM358818
Office MLS ID AN2606
Listing Data Updated Sep 15, 2026 1:15 AM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

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Steve Novak Real Estate
Steve Novak Real Estate
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