21 Cottage Park Ave, Cambridge, MA 02140

Cambridge
Local realty services provided by:Better Homes and Gardens Real Estate The Shanahan Group
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
Office: exp realty
MLS#:73528101
Source:MLSPIN

Price summary

  • Price:$3,628,900
  • Price per sq. ft.:$887.91

About this home

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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Home facts

  • Year built:2026
  • Listing ID #:73528101
  • Updated:June 09, 2026 at 10:49 AM

Rooms and interior

  • Bedrooms:5
  • Total bathrooms:5
  • Full bathrooms:4
  • Half bathrooms:1
  • Rooms Total:10
  • Flooring:Tile, Wood
  • Bathrooms Description:Bathroom
  • Kitchen Description:ENERGY STAR Qualified Dishwasher, ENERGY STAR Qualified Refrigerator, Microwave, Range, Range Hood
  • Basement Description:Finished, Full
  • Living area:4,087 sq. ft.

Heating and cooling

  • Cooling:4 Cooling Zones, Air Source Heat Pumps (ASHP), Central Air, ENERGY STAR Qualified Equipment
  • Heating:Air Source Heat Pumps (ASHP), Central, ENERGY STAR Qualified Equipment
  • Central air:Yes

Structure and exterior

  • Roof:Metal, Shingle
  • Year built:2026
  • Building area:4,087 sq. ft.
  • Lot area:0.1 Acres
  • Architectural Style:Colonial
  • Construction Materials:Frame
  • Exterior Features:Deck, Deck - Composite, Porch, Professional Landscaping, Sprinkler System
  • Foundation Description:Concrete Perimeter

Utilities

  • Water:Public
  • Sewer:Public Sewer

Finances and disclosures

  • Price:$3,628,900
  • Price per sq. ft.:$887.91
  • Tax amount:$7,400 (2025)

Features and amenities

  • Appliances:ENERGY STAR Qualified Dishwasher, ENERGY STAR Qualified Refrigerator, ENERGY STAR Qualified Washer, Microwave, Range, Range Hood
  • Laundry features:ENERGY STAR Qualified Dryer, ENERGY STAR Qualified Washer, Second Floor
  • Smart home:Yes

Parking

  • Total parking spaces:4
  • Parking description:Detached, Off Street, Paved Drive
  • Garage:Yes
  • Garage spaces:1
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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