Save
Ask
Tour
Hide
Share
$1,628,000
New Listing

2421 Shannon Drive
South San Francisco, CA 94080

For Sale|Single Family Residence|Active
4
Beds
3
Total Baths
2
Full Baths
1
Partial Bath
1,950
SqFt
$835
/SqFt
1963
Built
County:
San Mateo
Listed by Maryann Ernst of KW Advisors [email protected]
Upcoming Open Houses
Sat, Oct 24, 1:00 PM - 4:00 PM
Sun, Oct 25, 2:00 PM - 4:00 PM
2421 Shannon Drive2421 Shannon Drive2421 Shannon Drive2421 Shannon Drive
Save
Ask
Tour
Hide
Share

Mortgage Calculator

Monthly Payment (Est.)

Enter an interest rate to see your estimated monthly payment.
Calculator powered by Showcase IDX, a Constellation1 Company. Copyright ©2026 Information is deemed reliable but not guaranteed.

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.

Save
Ask
Tour
Hide
Share
Listing Snapshot
Price 
$1,628,000
Days On Site 
0 Days
Bedrooms 
4
Inside Area (SqFt) 
1,950 sqft
Total Baths 
3
Full Baths 
2
Partial Baths 
1
Lot Size 
0.164 Acres
Year Built 
1963
MLS Number 
ML82065531
Status 
Active
Property Tax 
N/A
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
Other
Friends & Family
Recent Activity
4 hours agoListing updated with changes from the MLS
11 hours agoListing first seen on site
General Features
Acres 
0.164
Attached Garage 
Yes
Foundation 
Concrete Perimeter
Garage 
Yes
Garage Spaces 
2
Number Of Stories 
2
Parking 
Attached
Parking Spaces 
4
Property Sub Type 
Single Family Residence
Special Circumstances 
Standard
Water Source 
Public
Zoning 
R10006
Interior Features
Cooling 
None
Fireplace 
Yes
Heating 
Save
Ask
Tour
Hide
Share
Exterior Features
Roof 
CompositionShingle
Community Features
MLS Area 
699 - Not Defined
School District 
South San Francisco Unified
Schools
School District
South San Francisco Unified
Elementary School
Other
Middle School
Other
High School
Other


This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. The display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, the Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.

Neighborhood & Commute
Source: Walkscore
Save
Ask
Tour
Hide
Share