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$3,628,900
New Listing

21 Cottage Park Ave
Cambridge, MA 02140

For Sale|Single Family Residence|Active
5
Beds
5
Total Baths
4
Full Baths
1
Partial Bath
4,087
SqFt
$888
/SqFt
2026
Built
County:
Middlesex

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21 Cottage Park Ave21 Cottage Park Ave21 Cottage Park Ave21 Cottage Park Ave
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Striking new luxury single family on a quiet, tree-lined North Cambridge street, blending classic New England architecture with modern finishes and smart home readiness. Over 4,000 sf across four finished levels: 5 beds, 4.5 baths. The open first floor showcases a chef's kitchen with white oak and shaker cabinetry, marble subway backsplash, quartz counters, Thermador stainless appliances, statement hood, and oversized island over herringbone oak floors. Half bath and full pantry included. The second floor features a primary suite with spa bath, soaking tub and walk-in shower, plus a second en-suite bedroom and laundry room. Third floor offers two more bedrooms, full bath, and eave storage. Finished lower level features: entertainment room, private study, bedroom and secondary laundry. Private fenced yard plus detached 1-car garage. Walk to Davis, Porter, Alewife T, Minuteman Bikeway, top schools, parks, and Cambridge/Somerville dining. Under construction with completion in August.

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Listing Snapshot
Price 
$3,628,900
Days On Site 
0 Days
Bedrooms 
5
Inside Area (SqFt) 
4,087 sqft
Total Baths 
5
Full Baths 
4
Partial Baths 
1
Lot Size 
0.1 Acres
Year Built 
2026
MLS® Number 
73528101
Status 
Active
Property Tax 
$7,400
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
Other
Friends & Family
Recent Activity
4 hours agoListing updated with changes from the MLS®
4 hours agoListing first seen on site
General Features
Acres 
0.1
Disclosures 
Buyers and buyer agents perform due diligence. LA has ownership interest.
Foundation 
Concrete Perimeter
Garage 
Yes
Garage Spaces 
1
Parking 
PavedDetachedOff Street
Parking Spaces 
4
Property Sub Type 
Single Family Residence
Sewer 
Public Sewer
SqFt Above 
3087
SqFt Below 
1000
SqFt Total 
4087
Water Source 
Public
Zoning 
B
Interior Features
Appliances 
Electric Water HeaterWater HeaterMicrowaveENERGY STAR Qualified RefrigeratorENERGY STAR Qualified DryerENERGY STAR Qualified DishwasherENERGY STAR Qualified WasherRange HoodRange
Basement 
FullFinished
Cooling 
Central AirENERGY STAR Qualified EquipmentHeat PumpZoned
Fireplace 
Yes
Fireplaces 
1
Flooring 
WoodTile
Heating 
Heat PumpCentralENERGY STAR Qualified EquipmentZoned
Window Features 
Insulated Windows
Bathroom 1 
Level - First
Bathroom 2 
Level - Second
Bathroom 3 
Level - Second
Bedroom 2 
Level - Second
Bedroom 3 
Level - Third
Bedroom 4 
Level - Third
Bedroom 5 
Level - Basement
Dining Room 
Level - First
Family Room 
Level - Basement
Kitchen 
Level - First
Living Room 
Level - First
Master Bedroom 
Level - Second
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Exterior Features
Construction Details 
Frame
Fencing 
Fenced
Lot Features 
Landscaped
Patio And Porch 
PorchDeck
Roof 
ShingleMetal
Windows/Doors 
Insulated Windows
Listing courtesy of John Raposo of eXp Realty



The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors, landlords, and public records, and were compiled by MLS Property Information Network, Inc. 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, leasing or renting 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, leasing or renting. MLS Property Information Network, Inc. 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.

Last checked 2026-06-02 05:17 PM UTC

Neighborhood & Commute
Source: Walkscore
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