21 Cottage Park Ave, Cambridge MA 02140

Cambridge, MA 02140

$3.6M

5 BD · 5 BA · 4,087 sf · 0.1 ac · Built 2026

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The residence

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 shaker cabinetry, tile subway backsplash, quartz counters, Thermador stainless appliances, classic hood, and oversized island over herringbone oak floors. Half bath and full pantry with water dispensers rounds out the 1st floor. 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, a 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.

At a glance

Property type: Single Family Residence
Status: Active
Year built: 2026
Lot size: 0.1 acres
Living area: 4,087 sf
MLS#: 4934b2b3b5cc3635949a10cb4271c406
Beds · Baths: 5 · 5

Location

Cambridge, MA.

Cambridge is a city of squares, each with its own temperament, strung along the Charles. Clapboard and Mansard houses sit beside laboratories and bookshops, and almost everything is reachable on foot or by the Red Line.

Estimated Monthly Payment+

$18K/mo

Approximate · principal & interest only

Down payment · 25%Interest rate · 6.75%Term · 30 years

Display Currency

$3.6M

Indicative conversion — settlement always in USD.

Private Showing

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Listing courtesy of eXp Realty LLC · MLSPIN

MLS Property Information Network.The property listing data and information 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 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 set forth herein.

Listings updated Oct 4, 2026

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