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!
Sold for $1,775,000
$1,775,000
423 42nd Ave, San Mateo, CA 94403
3beds
1,180sqft
Single Family Residence, Residential
Built in 1953
5,663 Square Feet Lot
$1,783,200 Zestimate®
$1,504/sqft
$5,169 Estimated rent
Home value
$1,783,200
$1.62M - $1.96M
$5,169/mo
Zestimate® history
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$11,163/mo
Est. payment
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$11,163/mo
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List your homeWhat's special
View propertyPrivate backyardMature landscapingBright sun-filled homeInviting settingPatio spaceAbundant storage
Zillow last checked:
Listing updated:
Listed by:
Cathy Liu 01917044 408-826-2548,
Realty Innova 650-254-6180
Bought with:
Susan Lewandowski, 01852946
Christie's International Real Estate Sereno
Source: MLSListings Inc,MLS#: ML82043124
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 2
Dining room
- Features: DiningAreainLivingRoom
Family room
- Features: NoFamilyRoom
Heating
- Forced Air
Cooling
- Central Air
Features
- Fireplace features: Living Room
Interior area
- Total structure area: 1,180
- Total interior livable area: 1,180 sqft
Property
Parking
- Total spaces: 2
- Parking features: Attached
- Attached garage spaces: 2
Features
- Stories: 1
Lot
- Size: 5,663 Square Feet
Details
- Parcel number: 042211010
- Zoning: R10006
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence, Residential
Materials
- Foundation: Other, Crawl Space
- Roof: Composition, Shingle
Condition
- New construction: No
- Year built: 1953
Utilities & green energy
- Gas: PublicUtilities
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Public Utilities, Water Public
Community & HOA
Location
- Region: San Mateo
Financial & listing details
- Price per square foot: $1,504/sqft
- Tax assessed value: $1,450,000
- Annual tax amount: $18,533
- Date on market: 4/15/2026
- Listing agreement: ExclusiveRightToSell
Price history
| Date | Event | Price |
|---|---|---|
| 5/8/2026 | Sold | $1,775,000+4.5%$1,504/sqft |
Source:  MLSListings Inc #ML82043124 Report a problem | ||
| 4/26/2026 | Pending sale | $1,698,000$1,439/sqft |
Source: MLSListings Inc #ML82043124 Report a problem | ||
| 4/15/2026 | Listed for sale | $1,698,000+17.1%$1,439/sqft |
Source: MLSListings Inc #ML82043124 Report a problem | ||
| 4/29/2019 | Sold | $1,450,000-3%$1,229/sqft |
Source:  MLSListings Inc #ML81744723 Report a problem | ||
| 3/29/2019 | Listed for sale | $1,495,000+63.4%$1,267/sqft |
Source: Alain Pinel Realtors #ML81744723 Report a problem | ||
| 7/31/2013 | Sold | $915,000+1.8%$775/sqft |
Source: Public Record Report a problem | ||
| 6/20/2013 | Listed for sale | $899,000+19.5%$762/sqft |
Source: Coldwell Banker #81321173 Report a problem | ||
| 7/7/2004 | Sold | $752,500+150.8%$638/sqft |
Source: Public Record Report a problem | ||
| 12/19/1996 | Sold | $300,000$254/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $18,533 -0.4% | $1,450,000 +5.8% |
| 2024 | $18,609 -10% | $1,370,000 -11.9% |
| 2023 | $20,684 +7.1% | $1,554,689 +2% |
| 2022 | $19,321 -1.3% | $1,524,206 +2% |
| 2021 | $19,567 +7.5% | $1,494,321 +1% |
| 2020 | $18,208 +44.5% | $1,479,000 +47.1% |
| 2019 | $12,598 +1.8% | $1,005,504 +2% |
| 2018 | $12,379 +4.5% | $985,790 +2% |
| 2017 | $11,850 +1.8% | $966,462 +2% |
| 2016 | $11,642 +3.8% | $947,512 +1.5% |
| 2015 | $11,211 | $933,280 +2% |
| 2014 | $11,211 | $915,000 +16.6% |
| 2013 | -- | $785,000 +11% |
| 2012 | -- | $707,000 |
| 2011 | -- | $707,000 -13% |
| 2010 | -- | $812,596 -0.2% |
| 2009 | -- | $814,528 +2% |
| 2008 | -- | $798,558 +2% |
| 2007 | -- | $782,900 +2% |
| 2006 | -- | $767,550 |
| 2005 | -- | $767,550 +123.3% |
| 2004 | -- | $343,656 +1.9% |
| 2003 | -- | $337,358 +2% |
| 2002 | -- | $330,744 +2% |
| 2001 | -- | $324,260 +2% |
| 2000 | -- | $317,902 |
Find assessor info on the county website
Neighborhood: Southeast Hillsdale
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Nearby schools
GreatSchools rating
- 3/10Laurel Elementary SchoolGrades: K-5Distance: 0.5 mi
- 4/10Abbott Middle SchoolGrades: 6-8Distance: 0.5 mi
- 9/10Hillsdale High SchoolGrades: 9-12Distance: 0.8 mi
Schools provided by the listing agent
- District: SanMateoFosterCityElementary
Source: MLSListings Inc. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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Estimated market value
$1,783,200
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$1,783,200
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