423 42nd Avenue San Mateo, CA $ 1,698,000
423 42nd Avenue
$ 1,698,000
Recently Listed
Open House 4/18 1:30pm - 4:30pm
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423 42nd Avenue

San Mateo, CA, 94403
$ 1,698,000
Bedrooms3 Baths2.0 Sq 1,180

Monthly Estimate*

$ 10,455

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Single Family Home for sale in San Mateo, CA

for $1,698,000 with 3 bedrooms and 2 full baths. This 1,180 square foot home was built in 1953 on a lot size of 0.13.

Wonderful opportunity to own a bright, sun-filled home in the highly desirable Westwood Knolls neighborhood! It has exceptional potential to move in, renovate, expand, or build new. The existing ~1,180 sq ft single-level home features 3 bedrooms and 2 bathrooms, with main living areas thoughtfully positioned to capture natural light and views. A spacious combined living and dining area creates an inviting setting, complemented by hardwood floors, abundant storage, and updated kitchen. Step outside to a private backyard, perfect for entertaining or relaxing with patio space, lawn area, mature landscaping, and room to create your dream outdoor retreat. Additional highlights include an attached two-car garage with ample storage and workspace. Ideally located just minutes from shopping, dining, parks, and major commute routes, including proximity to Hillsdale Shopping Center, Caltrain, and easy access to Highways 92 and 101. Enjoy a peaceful residential setting while remaining conveniently connected to both San Francisco and Silicon Valley. Don't miss this rare chance to own a view property with incredible upside in one of San Mateo's most sought-after neighborhoods!

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Open House

4/18/2026 1:30 PM - 4:30 PM
4/19/2026 1:30 PM - 4:30 PM
423 42nd Avenue San Mateo, 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

$ 1,698,000

Bedrooms

3

Full Bath

2

Property Type

Single Family

Taxes

$ 0

Style

Detached

Lot Size

0.13

Year Built

1953

Town/City

San Mateo

County/Region

San Mateo

MLS | Web ID

ML82043124

Features
General
Living Area 1180
Heating Forced Air
Cooling Central Air
Roof Composition Shingles
Zoning R100
Garage Spaces 2
Year Built 1953
Stories Count 1
Levels One Story
Property Subtype Detached
County San Mateo
Property Type Residential
HOA false
Garage Y/N true
Full Baths 2
Status Active
City San Mateo
High School District San Mateo Union High
MLS Area Listing
Lot Size Square Feet 5663
Standard Status Active
Elementary School District San Mateo-Foster City Elementary
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Interior
Fireplace Features Living Room
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N true
Total Bedrooms 3
Total Baths 2
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Exterior
Parking Features Attached
Lot Size Area 5663
Foundation Details Other
Building Area Total 1180
Lot Size Acres 0.13
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* Excluded Features
List By
Cathy Liu

Listing Agent

Realty Innova

Broker

cathyliu.realtor@gmail.com

Email

Affordability Calculator

$10,455
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Monthly Principal & Interest
$10,455
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Default based on a 30-year fixed rate of 6.25% 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
0 Elementary School
0 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
4/15/2026$1,698,000 Listed Price

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423 42nd Avenue, San Mateo, CA, 94403 is a Single Family Home for sale at $1,698,000 with 1,180 sqft and a lot size of 0.13. 423 42nd Avenue has 3 bedrooms, 2.0 baths, and was built in 1953. The property's zip code is 94403 which is in San Mateo, CA