2421 Shannon Drive, SOUTH SAN FRANCISCO, CA 94080 (MLS # ML82065531)
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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.
| LAST UPDATED | 10/23/2026 | YEAR BUILT | 1963 |
|---|---|---|---|
| GARAGE SPACES | 2.0 | COUNTY | San Mateo |
| STATUS | Active | PROPERTY TYPE(S) | Single Family |
| Elementary School | Monte Verde Elementary |
|---|---|
| Jr. High School | Westborough Middle |
| High School | South San Francisco High |
| ADDITIONAL DETAILS | |
| AIR | None |
|---|---|
| FIREPLACE | Yes |
| GARAGE | Attached Garage, Yes |
| HEAT | Central, Forced Air, Natural Gas |
| LOT | 7145 acre(s) |
| LOT DIMENSIONS | 7145.00 |
| PARKING | Attached, On Street |
| POOL DESCRIPTION | None |
| STORIES | 2 |
| WATER | Public |
| ZONING | R10006 |
The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the MLSListings™ MLS system. All real estate listings in the MLSListings MLS system are marked with the MLSListings Internet Data Exchange icon (a stylized house inside a circle), and detailed information about them includes the names of the listing brokers and listing agents.
Based on information from MLSListings MLS as of 10/25/26 7:47 PM PDT. 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. Properties may or may not be listed by the office/agent presenting the information.
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This IDX solution is (c) Diverse Solutions 2026.
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