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$1,628,000

2421 Shannon Drive, South San Francisco, CA 94080

55% above the South San Francisco median of $1.1M (27 active listings)

22% of South San Francisco listings have cut their price · half have been listed 53+ days

4beds
2.5baths
1,950sqft
$835/sqft

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About this home

Set on a 7,145 sqft lot, one of the largest in Westborough, 2421 Shannon Drive welcomes you with a charming front porch, stone accents, and an extra long driveway. This four bedroom, two and a half bathroom home of 1950 total sqft (permitted sunroom included) offers bright interiors and generous outdoor space. Beautifully refinished floors warm the living room and upstairs bedrooms, while a separate dining area with a brick fireplace invites gathering. The kitchen features rich dark cabinetry, granite countertops, and a mosaic tile backsplash. An expansive permitted sunroom, framed by walls of windows overlooking the backyard, offers versatile space for relaxing, entertaining, or morning coffee. Four upstairs bedrooms provide flexibility for guests or a home office. The spacious backyard features curved garden beds, mature plantings, and paved areas for outdoor dining. A concrete pad offers potential for a future ADU, subject to city approval. An attached finished two car garage and extended four car driveway provide exceptional parking. Near Westborough Square shopping and dining, Highway 280, and Monte Verde Elementary, this home pairs everyday convenience with room to grow. Discover the space, comfort, and lasting potential of 2421 Shannon Drive in desirable Westborough.

Property details

Property type
Single Family
Year built
1963
Lot size
7,145 sqft
Garage spaces
2
Parking spaces
4
Stories
2
County
San Mateo
Listed
today
MLS #
82065531
Listed by
Maryann Ernst · KW Advisors

Features

  • Attached Garage
  • On Street
  • Central Forced Air - Gas
  • Fireplace: Other Location
  • Roof: Composition
  • Roof: Shingle
  • Utilities: Public Utilities
  • Utilities: Solar Panels - Leased
  • Sewer: Sewer Connected
  • Sewer: Sewer in Street
  • Water: Public
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Location

Approximate location based on the listing address.

Copyright 2026 MLSListings Inc. Based on information from MLSListings MLS as of 10/23/2026. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. MLS Listing #82065531. Listing courtesy of KW Advisors.