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Sold for $2,505,000 on 11/19/25
  • $2,505,000

    20 Flagg St, Cambridge, MA 02138

    3beds
    2,130sqft
    Single Family Residence
    Built in 1874
    3,600 Square Feet Lot
    $2,506,200 Zestimate®
    $1,176/sqft
    $6,299 Estimated rent

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    What's special

    Charming, colorful 1874 Victorian just a short walk to Harvard Sq. Preserved details include original wd fls, period mouldings, +hi ceilings blended w/contemporary features such as AC+ EV charging capability. LR has bay windows, crown moulding, built-ins. DR has wall of sliding glass doors to patio+fenced yard. EIK has black soapstone+white marble counters; built-in Canadian birch plywood banquette+cabinetry; tile backsplash; ss induction range, refrigerator, vent hood, + dw. Second fl has lg front bdrm, once occupied by W.E.B. DuBois while at Harvard; full tiled bath off hall; primary bdrm w/custom closets; hall linen+storage closets; laundry; + sunken office w/yd view. Top fl has small bdrm, flex room, + full bath w/spa tub+skylight. Pollinator garden + meandering grape arbor make the yard feel private + bucolic. Unfinished basement has systems + storage/workshop space. Just 1 block from the Charles River + 2 blocks from Harvard Sq., this is an ideal location with great walkability.

    Zillow last checked: 8 hours ago

    Listing updated: November 19, 2025 at 10:03am

    Listed by:

    Thalia C. Tringo 617-513-1967,

    Thalia Tringo & Associates Real Estate, Inc. 617-616-5091

    Bought with:

    Lauren Holleran Team

    Gibson Sotheby's International Realty

    Source: MLS PIN,MLS#: 73438031

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 3
    • Bathrooms: 3
    • Full bathrooms: 2
    • 1/2 bathrooms: 1
    Primary bedroom
    • Level: Second
    Bedroom 2
    • Level: Second
    Bedroom 3
    • Level: Third
    Bathroom 1
    • Level: First
    Bathroom 2
    • Level: Second
    Bathroom 3
    • Level: Third
    Dining room
    • Level: First
    Kitchen
    • Level: First
    Living room
    • Level: First
    Office
    • Level: Second
    Heating
    • Forced Air, Natural Gas
    Cooling
    • Central Air
    Appliances
    • Laundry: Second Floor
    Features
    • Home Office
    • Flooring: Wood, Tile
    • Basement: Full,Interior Entry,Bulkhead,Unfinished
    • Number of fireplaces: 1
    Interior area
    • Total structure area: 2,130
    • Total interior livable area: 2,130 sqft
    • Finished area above ground: 2,130
    • Finished area below ground: 0

    Property

    Parking
    • Total spaces: 1
    • Parking features: Off Street, Driveway
    • Uncovered spaces: 1
    Features
    • Patio & porch: Porch, Deck, Patio
    • Exterior features: Porch, Deck, Patio, Fenced Yard, Garden
    • Fencing: Fenced
    Lot
    • Size: 3,600 sqft
    • Features: Other
    Details
    • Parcel number: M:00130 L:00087,408347
    • Zoning: C-1

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Victorian
    • Property subtype: Single Family Residence
    Materials
    • Foundation: Stone, Brick/Mortar
    • Roof: Shingle
    Condition
    • Year built: 1874

    Utilities & green energy

    • Electric: Circuit Breakers
    • Sewer: Public Sewer
    • Water: Public

    Community & neighborhood

    Community
    • Community features: Public Transportation, Shopping, Park, Walk/Jog Trails, Bike Path, Highway Access, T-Station, University
    Location
    • Region: Cambridge
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    Estimated market value
    $2,506,200