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21 Cottage Park Ave, 
Cambridge, MA 02140

$3,628,900

5

Beds

5

Baths

4,087

Sq Ft

Single Family

Active

Listed by

John Raposo

eXp Realty

888-854-7493

Last updated:

June 2, 2026, 06:00 PM

MLS#

73528101

Source:

MLSPIN

About This Home

21 Cottage Park Ave

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.

Home Facts

Single Family

5 Baths

5 Bedrooms

Built in 2026

Price Summary

3,628,900

$887 per Sq. Ft.

MLS #:

73528101

Last Updated:

June 2, 2026, 06:00 PM

Rooms & Interior

Bedrooms

Total Bedrooms:

5

Bathrooms

Total Bathrooms:

5

Full Bathrooms:

4

Interior

Living Area:

4,087 Sq. Ft.

Structure

Structure

Architectural Style:

Colonial

Building Area:

4,087 Sq. Ft.

Year Built:

2026

Lot

Lot Size (Sq. Ft):

4,520

Finances & Disclosures

Finances

Price:

$3,628,900

Price per Sq. Ft:

$887 per Sq. Ft.

Source:MLSPIN
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 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 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. 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.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.