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BG

2421 Shannon Drive

South San Francisco, CA 94080

$1,628,000 $835 / sqft Est. $8,232/mo

4
Beds
3
Baths
1,950
Sq Ft

Active Listed today

Listed By Maryann ErnstDRE #01758548

KW Advisors

Your inquiry will go to Brenda Geraci, who is not the listing agent for this property.

Lot Size
7,145 sqft
Year Built
1963
Property Type
Residential
Property Subtype
Single-family home
Garage Spaces
2
View
No
HOA
No
Days on Market
Today
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.

Open Houses

  • Saturday, October 24 · 1:00 PM – 4:00 PM

  • Sunday, October 25 · 2:00 PM – 4:00 PM

Estimate a monthly payment

—/mo

Principal and interest only. Property taxes, insurance and any HOA dues are not included and will increase this amount.

Estimates only, for your own planning. Not a loan offer, a pre-qualification, or a quote from any lender.

Features

Exterior Features

Roof
  • Composition
  • Shingle

Market insights

Computed from CRMLS data for South San Francisco.

Property history

No prior MLS sale records.

Based on information from California Regional Multiple Listing Service, Inc. as of October 24, 2026 at 5:30 AM PDT and /or other sources. 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. Any amount of compensation or commission stated is made only to participants of CRMLS or an MLS that has entered into a datashare agreement with CRMLS.

Where it is