LevelFourth Floor
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.
Adjust the payment calculatorTrack this home for price, status, and open-house alerts.
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! Offers, if any, are due on Tuesday, September 22nd at 10am.
View in the App
Save this property, schedule tours instantly, and get alerts when the price drops
Scan with phone
Public Records & Permits
Log in to view assessor & tax records, ownership history, and recent building permits for this property.
BMN Estimate
Get the number an algorithm can't give you
A free agent CMA factors in condition, upgrades, and the street — the things comps alone can't see.
Recently Sold Nearby
Property History
Market Insights
Property Timeline
Status: Active under contract
Sep 23, 2026
Active → Active Under Contract
Pending Sale
Sep 22, 2026
Offer accepted, sale pending
Listed for Sale
Sep 15, 2026
$1,699,000
Original listing
Agent: MonaLisa Team
Office: Compass
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 09/23/2026 | 📋 Status: Active under contract | - | - | - | Active → Active Under Contract |
| 09/22/2026 | ⏳ Pending Sale | - | - | - | Offer accepted, sale pending |
| 09/15/2026 | 🏠 Listed for Sale | $1,699,000 | - | - | Original listing |
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
Parking
Features
On Street
Utilities
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
Financial
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
MA Disclosures
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.
Additional Details
Possession
None
Accepted Financing
Contract
Structure Type
["2/3 Family"]
Unit/Building
A
Sq Ft Source
Measured
Documents
None
County
Middlesex
Total market time (incl. prior listings)
20 days
Property Overview
Property Type
Condominium
Listing Type
Sale Pending
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
Interactive room guide
Floor Layout
Finished Area
1,615 sq ft above grade
LevelThird
LevelThird
FeaturesBathroom - Full
LevelThird
LevelSecond
FeaturesBathroom - Full
LevelSecond
LevelSecond
LevelFirst
FeaturesBathroom - Half
LevelFirst
LevelFirst
LevelFirst
FeaturesYes
Display Options
Outdoor Areas
Patio & porchDeck - Roof, Deck - Composite
Room Markers
KKitchen (1)
BRBedroom (4)
BABathroom (4)
DDining (1)
LLiving (2)
Conceptual diagram based on MLS room data. It is not to scale and is not a substitute for architectural plans or on-site measurements.
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
Nearby Schools
School information not available for this location.
Monthly Payment Calculator
Monthly Payment
$0
Principal, interest, taxes & insurance
Loan Amount
$0
After down payment
Total Interest
$0
Over life of loan
Total Cost
$0
Including down payment
%
Down: $0
%
Monthly Payment Breakdown
Principal & Interest
$0
Property Tax
$272
Homeowners Insurance
$200
HOA Fee
$287/mo
PMI (if <20% down)
$0
Loan Summary
Total of 360 payments
$0
Total principal paid
$0
Total interest paid
$0
Rate Impact
-0.5% Rate
$0/mo
Save $0/mo
Current Rate
$0/mo
+0.5% Rate
$0/mo
Cost $0/mo
Payment Over Time
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.
Location
Loading map...
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
Oct 5, 2026 10:34 PM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.
Contact Us
Ask about this property — free, no obligation.
Similar Homes for Sale
Comparable Properties
Customize Comparable Search
Finding comparable properties...
Loading market insights for Cambridge.