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Back 423 42nd Ave
Off Market

423 42nd Ave

San Mateo CA 94403

3
2
2
1180 sq. ft.
5663 sq. ft.
Single-Family
Last sold for $1,775,000
Ying LiuYing Liu, last sold this property on 08 May 2026 after 22 days on market.

Overview

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 wood floors, abundant storage, and an 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!

Features

3 bedrooms
2 bathrooms
2 carspaces
2 garage spaces
1180 sq. ft. floor area
5663 sq. ft. lot size
Single-Family

Estimated Value

Based on this property and similar 3 bedroom single-family properties sold in San Mateo over the last 12 months, the estimated median property value of 423 42nd Ave is $1.94m.

Median value
$1.94m
Estimated value range
$1.2m - $3.42m
Median days on market
9
Estimated value trend
4%
increase over the last 12 months
Average days on market is based on recent, comparable sales in San Mateo. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 423 42nd Ave

2026
Sold
$1,775,000
08 May 2026 by Ying Liu, of Realty Innova
2019
Sold
$1,450,000
29 Apr 2019 by The The Patty Dwyer Group, of Compass
2004
Sold
$752,500
07 Jul 2004 by Suzy Jackson, of Cashin Company

Happy sellers in San Mateo

90%
90% of sellers in San Mateo reported that their sale price either exceeded or met their price expectations.

San Mateo stands out for consistently delivering exceptional satisfaction and strong market results for homeowners.

This is based on voluntary sentiment collected from 4 reviews in San Mateo over the last 12 months.

Local market activity for 3 bedroom single-family properties in San Mateo

In the last 12 months, 127 three-bedroom single-family properties similar to 423 42nd Ave, have been sold.

This represents a 9% increase in three-bedroom single-family properties sales when compared to the previous 12 months.

Nearby agents

Compare and contact these top performing agents who’ve delivered exception customer service for their clients in San Mateo

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Jeff Goodman - DRE #01338912

Sellers who recommend Jeff Goodman - DRE #01338912 have praised them for being local expert, clear communication, responsive, supportive, well-connected, well-prepared, and trustworthy

  •   5   (56 reviews)
  •  1 Review in San Mateo
  •  1 Sale in San Mateo
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Kelly Ringer-Radetich

Kelly Ringer-Radetich is an award winning recommended agent for San Mateo.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (20 reviews)
  •  1 Review in San Mateo
  •  1 Sale in San Mateo
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Daniel Harbuck

Daniel Harbuck is a recommended agent for San Mateo.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (26 reviews)
  •  1 Review in San Mateo
  •  1 Sale in San Mateo
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Sandra Fortayon

Sellers who recommend Sandra Fortayon have praised them for being local expert, responsive, clear communication, detail-oriented, dedicated, friendly, and patient

  •   5   (105 reviews)
  •  1 Review in San Mateo
  •  1 Sale in San Mateo
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