2421 Shannon Drive South San Francisco, CA $ 1,628,000
2421 Shannon Drive
$ 1,628,000
Recently Listed
Open House 10/25 2pm - 4pm
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2421 Shannon Drive

South San Francisco, CA, 94080
$ 1,628,000
Bedrooms4 Baths2.1 Sq 1,950

Monthly Estimate*

$ 11,244

Listed by Maryann Ernst, KW Advisors, maryann@maryannernst.com
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View a Virtual Tour

Single Family Home for sale in South San Francisco, CA

for $1,628,000 with 4 bedrooms and 2 full baths, 1 half bath. This 1,950 square foot home was built in 1963 on a lot size of 0.164.

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.

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Open House

10/25/2026 2:00 PM - 4:00 PM
2421 Shannon Drive South San Francisco, CA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 1,628,000

Bedrooms

4

Full Bath

2

Half Bath

1

Property Type

Single Family

Taxes

$ 0

Style

Lot Size

0.164

Year Built

1963

Town/City

South San Francisco

County/Region

San Mateo

MLS | Web ID

ML82065531

Days on Market

3

Features
General
Living Area 1950
Cooling None
Possession Close Of Escrow
Roof Composition Shingle
Zoning R10006
Garage Spaces 2
Year Built 1963
Property Subtype Single Family Residence
County San Mateo
New Construction false
Property Type Residential
HOA false
Attached Garage true
Garage Y/N true
Full Baths 2
Special Listing Conditions Standard
Status Active
Directions Westborough to Olympic to Shannon Cross Street: Olympic
High School Other
City South San Francisco
High School District South San Francisco Unified
MLS Area 699 - Not Defined
Lot Size Units Square Feet
Lot Size Square Feet 7145
Elementary School Other
Property Attached Y/N false
Middle/Junior High School Other
Standard Status Active
Occupancy Type Vacant
Year Built Source Assessor
Virtual Tour https://www.2421Shannon.com
Property Sub Type Additional Single Family Residence
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Interior
Total Stories 2
Common Walls No Common Walls
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N true
Half Baths 1
Total Bedrooms 4
Total Baths 3
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Exterior
Water Source Public
Total Parking 4
Lot Size Area 7145
Foundation Details Concrete Perimeter
Lot Size Acres 0.164
Lot Size Source Assessor
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* Excluded Features
List By
Maryann Ernst

Listing Agent

Kw Advisors

Broker

maryann@maryannernst.com

Email

Affordability Calculator

$11,244
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Monthly Principal & Interest
$11,244
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Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4826967 Elementary School
4826966 Middle School
Other High School High School
Pricing History
DatePricePrice ChangeDescription
10/23/2026$1,628,000 Listed Price

Map


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2421 Shannon Drive, South San Francisco, CA, 94080 is a Single Family Home for sale at $1,628,000 with 1,950 sqft and a lot size of 0.164. 2421 Shannon Drive has 4 bedrooms, 2.1 baths, and was built in 1963. The property's zip code is 94080 which is in South San Francisco, CA